From cbfeb267cb0ff632dbc8ff02685012bee2e87434 Mon Sep 17 00:00:00 2001 From: John Kacur Date: Thu, 24 Sep 2009 18:01:51 +0200 Subject: perf annotate: Add the cmp_null function and make use of it This function exists in builtin-report.c but not in builtin-annotate.c Functions that use cmp_null are shorter and clearer. Synchronizing functions between these two files will also make it easier to potential share code in the future. Signed-off-by: John Kacur Cc: Peter Zijlstra LKML-Reference: Signed-off-by: Ingo Molnar --- tools/perf/builtin-annotate.c | 30 ++++++++++++++---------------- 1 file changed, 14 insertions(+), 16 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 1ec74161581..a33087328bd 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -82,6 +82,16 @@ struct sort_entry { size_t (*print)(FILE *fp, struct hist_entry *); }; +static int64_t cmp_null(void *l, void *r) +{ + if (!l && !r) + return 0; + else if (!l) + return -1; + else + return 1; +} + /* --sort pid */ static int64_t @@ -116,14 +126,8 @@ sort__comm_collapse(struct hist_entry *left, struct hist_entry *right) char *comm_l = left->thread->comm; char *comm_r = right->thread->comm; - if (!comm_l || !comm_r) { - if (!comm_l && !comm_r) - return 0; - else if (!comm_l) - return -1; - else - return 1; - } + if (!comm_l || !comm_r) + return cmp_null(comm_l, comm_r); return strcmp(comm_l, comm_r); } @@ -149,14 +153,8 @@ sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) struct dso *dso_l = left->dso; struct dso *dso_r = right->dso; - if (!dso_l || !dso_r) { - if (!dso_l && !dso_r) - return 0; - else if (!dso_l) - return -1; - else - return 1; - } + if (!dso_l || !dso_r) + return cmp_null(dso_l, dso_r); return strcmp(dso_l->name, dso_r->name); } -- cgit v1.2.3 From 8b40f521cf1c9750eab0c04da9075e7484675e9c Mon Sep 17 00:00:00 2001 From: John Kacur Date: Thu, 24 Sep 2009 18:02:18 +0200 Subject: perf tools: Protect header files with a consistent style There was a colorful mix of header guards - standardize them. Signed-off-by: John Kacur LKML-Reference: Signed-off-by: Ingo Molnar --- tools/perf/util/cache.h | 6 +++--- tools/perf/util/callchain.h | 2 +- tools/perf/util/color.h | 6 +++--- tools/perf/util/debug.h | 4 ++++ tools/perf/util/event.h | 3 ++- tools/perf/util/exec_cmd.h | 6 +++--- tools/perf/util/header.h | 6 +++--- tools/perf/util/help.h | 6 +++--- tools/perf/util/levenshtein.h | 6 +++--- tools/perf/util/module.h | 6 +++--- tools/perf/util/parse-events.h | 6 +++--- tools/perf/util/parse-options.h | 6 +++--- tools/perf/util/quote.h | 6 +++--- tools/perf/util/run-command.h | 6 +++--- tools/perf/util/sigchain.h | 6 +++--- tools/perf/util/strbuf.h | 6 +++--- tools/perf/util/string.h | 6 +++--- tools/perf/util/strlist.h | 6 +++--- tools/perf/util/svghelper.h | 6 +++--- tools/perf/util/symbol.h | 6 +++--- tools/perf/util/thread.h | 5 +++++ tools/perf/util/trace-event.h | 6 +++--- tools/perf/util/types.h | 6 +++--- tools/perf/util/values.h | 6 +++--- 24 files changed, 72 insertions(+), 62 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h index 6f8ea9d210b..f26172c0c91 100644 --- a/tools/perf/util/cache.h +++ b/tools/perf/util/cache.h @@ -1,5 +1,5 @@ -#ifndef CACHE_H -#define CACHE_H +#ifndef __PERF_CACHE_H +#define __PERF_CACHE_H #include "util.h" #include "strbuf.h" @@ -117,4 +117,4 @@ extern char *perf_pathdup(const char *fmt, ...) extern size_t strlcpy(char *dest, const char *src, size_t size); -#endif /* CACHE_H */ +#endif /* __PERF_CACHE_H */ diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h index 43cf3ea9e08..ad4626de4c2 100644 --- a/tools/perf/util/callchain.h +++ b/tools/perf/util/callchain.h @@ -58,4 +58,4 @@ static inline u64 cumul_hits(struct callchain_node *node) int register_callchain_param(struct callchain_param *param); void append_chain(struct callchain_node *root, struct ip_callchain *chain, struct symbol **syms); -#endif +#endif /* __PERF_CALLCHAIN_H */ diff --git a/tools/perf/util/color.h b/tools/perf/util/color.h index 58d597564b9..24e8809210b 100644 --- a/tools/perf/util/color.h +++ b/tools/perf/util/color.h @@ -1,5 +1,5 @@ -#ifndef COLOR_H -#define COLOR_H +#ifndef __PERF_COLOR_H +#define __PERF_COLOR_H /* "\033[1;38;5;2xx;48;5;2xxm\0" is 23 bytes */ #define COLOR_MAXLEN 24 @@ -39,4 +39,4 @@ int color_fwrite_lines(FILE *fp, const char *color, size_t count, const char *bu int percent_color_fprintf(FILE *fp, const char *fmt, double percent); const char *get_percent_color(double percent); -#endif /* COLOR_H */ +#endif /* __PERF_COLOR_H */ diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h index 437eea58ce4..02d1fa1c246 100644 --- a/tools/perf/util/debug.h +++ b/tools/perf/util/debug.h @@ -1,4 +1,6 @@ /* For debugging general purposes */ +#ifndef __PERF_DEBUG_H +#define __PERF_DEBUG_H extern int verbose; extern int dump_trace; @@ -6,3 +8,5 @@ extern int dump_trace; int eprintf(const char *fmt, ...) __attribute__((format(printf, 1, 2))); int dump_printf(const char *fmt, ...) __attribute__((format(printf, 1, 2))); void trace_event(event_t *event); + +#endif /* __PERF_DEBUG_H */ diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 2c9c26d6ded..c31a5da6458 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -1,5 +1,6 @@ #ifndef __PERF_RECORD_H #define __PERF_RECORD_H + #include "../perf.h" #include "util.h" #include @@ -101,4 +102,4 @@ struct map *map__clone(struct map *self); int map__overlap(struct map *l, struct map *r); size_t map__fprintf(struct map *self, FILE *fp); -#endif +#endif /* __PERF_RECORD_H */ diff --git a/tools/perf/util/exec_cmd.h b/tools/perf/util/exec_cmd.h index effe25eb154..31647ac92ed 100644 --- a/tools/perf/util/exec_cmd.h +++ b/tools/perf/util/exec_cmd.h @@ -1,5 +1,5 @@ -#ifndef PERF_EXEC_CMD_H -#define PERF_EXEC_CMD_H +#ifndef __PERF_EXEC_CMD_H +#define __PERF_EXEC_CMD_H extern void perf_set_argv_exec_path(const char *exec_path); extern const char *perf_extract_argv0_path(const char *path); @@ -10,4 +10,4 @@ extern int execv_perf_cmd(const char **argv); /* NULL terminated */ extern int execl_perf_cmd(const char *cmd, ...); extern const char *system_path(const char *path); -#endif /* PERF_EXEC_CMD_H */ +#endif /* __PERF_EXEC_CMD_H */ diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index a0761bc7863..a2916b652a1 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -1,5 +1,5 @@ -#ifndef _PERF_HEADER_H -#define _PERF_HEADER_H +#ifndef __PERF_HEADER_H +#define __PERF_HEADER_H #include "../../../include/linux/perf_event.h" #include @@ -44,4 +44,4 @@ perf_header__find_attr(u64 id, struct perf_header *header); struct perf_header *perf_header__new(void); -#endif /* _PERF_HEADER_H */ +#endif /* __PERF_HEADER_H */ diff --git a/tools/perf/util/help.h b/tools/perf/util/help.h index 7128783637b..7f5c6dedd71 100644 --- a/tools/perf/util/help.h +++ b/tools/perf/util/help.h @@ -1,5 +1,5 @@ -#ifndef HELP_H -#define HELP_H +#ifndef __PERF_HELP_H +#define __PERF_HELP_H struct cmdnames { size_t alloc; @@ -26,4 +26,4 @@ int is_in_cmdlist(struct cmdnames *c, const char *s); void list_commands(const char *title, struct cmdnames *main_cmds, struct cmdnames *other_cmds); -#endif /* HELP_H */ +#endif /* __PERF_HELP_H */ diff --git a/tools/perf/util/levenshtein.h b/tools/perf/util/levenshtein.h index 0173abeef52..b0fcb6d8a88 100644 --- a/tools/perf/util/levenshtein.h +++ b/tools/perf/util/levenshtein.h @@ -1,8 +1,8 @@ -#ifndef LEVENSHTEIN_H -#define LEVENSHTEIN_H +#ifndef __PERF_LEVENSHTEIN_H +#define __PERF_LEVENSHTEIN_H int levenshtein(const char *string1, const char *string2, int swap_penalty, int substition_penalty, int insertion_penalty, int deletion_penalty); -#endif +#endif /* __PERF_LEVENSHTEIN_H */ diff --git a/tools/perf/util/module.h b/tools/perf/util/module.h index 8a592ef641c..098e0412bc2 100644 --- a/tools/perf/util/module.h +++ b/tools/perf/util/module.h @@ -1,5 +1,5 @@ -#ifndef _PERF_MODULE_ -#define _PERF_MODULE_ 1 +#ifndef __PERF_MODULE_ +#define __PERF_MODULE_ 1 #include #include "../types.h" @@ -50,4 +50,4 @@ size_t mod_dso__fprintf(struct mod_dso *self, FILE *fp); struct module *mod_dso__find_module(struct mod_dso *self, const char *name); int mod_dso__load_modules(struct mod_dso *dso); -#endif /* _PERF_MODULE_ */ +#endif /* __PERF_MODULE_ */ diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index 30c60811284..8626a439033 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -1,5 +1,5 @@ -#ifndef _PARSE_EVENTS_H -#define _PARSE_EVENTS_H +#ifndef __PERF_PARSE_EVENTS_H +#define __PERF_PARSE_EVENTS_H /* * Parse symbolic events/counts passed in as options: */ @@ -31,4 +31,4 @@ extern char debugfs_path[]; extern int valid_debugfs_mount(const char *debugfs); -#endif /* _PARSE_EVENTS_H */ +#endif /* __PERF_PARSE_EVENTS_H */ diff --git a/tools/perf/util/parse-options.h b/tools/perf/util/parse-options.h index 2ee248ff27e..948805af43c 100644 --- a/tools/perf/util/parse-options.h +++ b/tools/perf/util/parse-options.h @@ -1,5 +1,5 @@ -#ifndef PARSE_OPTIONS_H -#define PARSE_OPTIONS_H +#ifndef __PERF_PARSE_OPTIONS_H +#define __PERF_PARSE_OPTIONS_H enum parse_opt_type { /* special types */ @@ -174,4 +174,4 @@ extern int parse_opt_verbosity_cb(const struct option *, const char *, int); extern const char *parse_options_fix_filename(const char *prefix, const char *file); -#endif +#endif /* __PERF_PARSE_OPTIONS_H */ diff --git a/tools/perf/util/quote.h b/tools/perf/util/quote.h index a5454a1d1c1..b6a01973391 100644 --- a/tools/perf/util/quote.h +++ b/tools/perf/util/quote.h @@ -1,5 +1,5 @@ -#ifndef QUOTE_H -#define QUOTE_H +#ifndef __PERF_QUOTE_H +#define __PERF_QUOTE_H #include #include @@ -65,4 +65,4 @@ extern void perl_quote_print(FILE *stream, const char *src); extern void python_quote_print(FILE *stream, const char *src); extern void tcl_quote_print(FILE *stream, const char *src); -#endif +#endif /* __PERF_QUOTE_H */ diff --git a/tools/perf/util/run-command.h b/tools/perf/util/run-command.h index cc1837deba8..d79028727ce 100644 --- a/tools/perf/util/run-command.h +++ b/tools/perf/util/run-command.h @@ -1,5 +1,5 @@ -#ifndef RUN_COMMAND_H -#define RUN_COMMAND_H +#ifndef __PERF_RUN_COMMAND_H +#define __PERF_RUN_COMMAND_H enum { ERR_RUN_COMMAND_FORK = 10000, @@ -85,4 +85,4 @@ struct async { int start_async(struct async *async); int finish_async(struct async *async); -#endif +#endif /* __PERF_RUN_COMMAND_H */ diff --git a/tools/perf/util/sigchain.h b/tools/perf/util/sigchain.h index 618083bce0c..1a53c11265f 100644 --- a/tools/perf/util/sigchain.h +++ b/tools/perf/util/sigchain.h @@ -1,5 +1,5 @@ -#ifndef SIGCHAIN_H -#define SIGCHAIN_H +#ifndef __PERF_SIGCHAIN_H +#define __PERF_SIGCHAIN_H typedef void (*sigchain_fun)(int); @@ -8,4 +8,4 @@ int sigchain_pop(int sig); void sigchain_push_common(sigchain_fun f); -#endif /* SIGCHAIN_H */ +#endif /* __PERF_SIGCHAIN_H */ diff --git a/tools/perf/util/strbuf.h b/tools/perf/util/strbuf.h index d2aa86c014c..a3d121d6c83 100644 --- a/tools/perf/util/strbuf.h +++ b/tools/perf/util/strbuf.h @@ -1,5 +1,5 @@ -#ifndef STRBUF_H -#define STRBUF_H +#ifndef __PERF_STRBUF_H +#define __PERF_STRBUF_H /* * Strbuf's can be use in many ways: as a byte array, or to store arbitrary @@ -134,4 +134,4 @@ extern int launch_editor(const char *path, struct strbuf *buffer, const char *co extern int strbuf_branchname(struct strbuf *sb, const char *name); extern int strbuf_check_branch_ref(struct strbuf *sb, const char *name); -#endif /* STRBUF_H */ +#endif /* __PERF_STRBUF_H */ diff --git a/tools/perf/util/string.h b/tools/perf/util/string.h index bf39dfadfd2..15c827475e7 100644 --- a/tools/perf/util/string.h +++ b/tools/perf/util/string.h @@ -1,5 +1,5 @@ -#ifndef _PERF_STRING_H_ -#define _PERF_STRING_H_ +#ifndef __PERF_STRING_H_ +#define __PERF_STRING_H_ #include "types.h" @@ -8,4 +8,4 @@ int hex2u64(const char *ptr, u64 *val); #define _STR(x) #x #define STR(x) _STR(x) -#endif +#endif /* __PERF_STRING_H */ diff --git a/tools/perf/util/strlist.h b/tools/perf/util/strlist.h index 921818e44a5..cb4659306d7 100644 --- a/tools/perf/util/strlist.h +++ b/tools/perf/util/strlist.h @@ -1,5 +1,5 @@ -#ifndef STRLIST_H_ -#define STRLIST_H_ +#ifndef __PERF_STRLIST_H +#define __PERF_STRLIST_H #include #include @@ -36,4 +36,4 @@ static inline unsigned int strlist__nr_entries(const struct strlist *self) } int strlist__parse_list(struct strlist *self, const char *s); -#endif /* STRLIST_H_ */ +#endif /* __PERF_STRLIST_H */ diff --git a/tools/perf/util/svghelper.h b/tools/perf/util/svghelper.h index cd93195aedb..e0781989cc3 100644 --- a/tools/perf/util/svghelper.h +++ b/tools/perf/util/svghelper.h @@ -1,5 +1,5 @@ -#ifndef _INCLUDE_GUARD_SVG_HELPER_ -#define _INCLUDE_GUARD_SVG_HELPER_ +#ifndef __PERF_SVGHELPER_H +#define __PERF_SVGHELPER_H #include "types.h" @@ -25,4 +25,4 @@ extern void svg_close(void); extern int svg_page_width; -#endif +#endif /* __PERF_SVGHELPER_H */ diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 6e849071640..ee164f659ed 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -1,5 +1,5 @@ -#ifndef _PERF_SYMBOL_ -#define _PERF_SYMBOL_ 1 +#ifndef __PERF_SYMBOL +#define __PERF_SYMBOL 1 #include #include "types.h" @@ -89,4 +89,4 @@ extern struct dso *vdso; extern struct dso *hypervisor_dso; extern const char *vmlinux_name; extern int modules; -#endif /* _PERF_SYMBOL_ */ +#endif /* __PERF_SYMBOL */ diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h index 32aea3c1c2a..693ed1ea10b 100644 --- a/tools/perf/util/thread.h +++ b/tools/perf/util/thread.h @@ -1,3 +1,6 @@ +#ifndef __PERF_THREAD_H +#define __PERF_THREAD_H + #include #include #include @@ -20,3 +23,5 @@ void thread__insert_map(struct thread *self, struct map *map); int thread__fork(struct thread *self, struct thread *parent); struct map *thread__find_map(struct thread *self, u64 ip); size_t threads__fprintf(FILE *fp, struct rb_root *threads); + +#endif /* __PERF_THREAD_H */ diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h index 693f815c942..162c3e6deb9 100644 --- a/tools/perf/util/trace-event.h +++ b/tools/perf/util/trace-event.h @@ -1,5 +1,5 @@ -#ifndef _TRACE_EVENTS_H -#define _TRACE_EVENTS_H +#ifndef __PERF_TRACE_EVENTS_H +#define __PERF_TRACE_EVENTS_H #include "parse-events.h" @@ -242,4 +242,4 @@ void *raw_field_ptr(struct event *event, const char *name, void *data); void read_tracing_data(struct perf_event_attr *pattrs, int nb_events); -#endif /* _TRACE_EVENTS_H */ +#endif /* __PERF_TRACE_EVENTS_H */ diff --git a/tools/perf/util/types.h b/tools/perf/util/types.h index 5e75f900594..7d6b8331f89 100644 --- a/tools/perf/util/types.h +++ b/tools/perf/util/types.h @@ -1,5 +1,5 @@ -#ifndef _PERF_TYPES_H -#define _PERF_TYPES_H +#ifndef __PERF_TYPES_H +#define __PERF_TYPES_H /* * We define u64 as unsigned long long for every architecture @@ -14,4 +14,4 @@ typedef signed short s16; typedef unsigned char u8; typedef signed char s8; -#endif /* _PERF_TYPES_H */ +#endif /* __PERF_TYPES_H */ diff --git a/tools/perf/util/values.h b/tools/perf/util/values.h index cadf8cf2a59..2fa967e1a88 100644 --- a/tools/perf/util/values.h +++ b/tools/perf/util/values.h @@ -1,5 +1,5 @@ -#ifndef _PERF_VALUES_H -#define _PERF_VALUES_H +#ifndef __PERF_VALUES_H +#define __PERF_VALUES_H #include "types.h" @@ -24,4 +24,4 @@ void perf_read_values_add_value(struct perf_read_values *values, void perf_read_values_display(FILE *fp, struct perf_read_values *values, int raw); -#endif /* _PERF_VALUES_H */ +#endif /* __PERF_VALUES_H */ -- cgit v1.2.3 From dd68ada2d417e57b848822a1407b5317a54136c5 Mon Sep 17 00:00:00 2001 From: John Kacur Date: Thu, 24 Sep 2009 18:02:49 +0200 Subject: perf tools: Create util/sort.and use it Create util/sort.[ch] and move common functionality for builtin-report.c and builtin-annotate.c there, and make use of it. Signed-off-by: John Kacur LKML-Reference: Signed-off-by: Ingo Molnar --- tools/perf/Makefile | 2 + tools/perf/builtin-annotate.c | 211 +---------------------------- tools/perf/builtin-report.c | 307 +----------------------------------------- tools/perf/util/sort.c | 268 ++++++++++++++++++++++++++++++++++++ tools/perf/util/sort.h | 93 +++++++++++++ 5 files changed, 373 insertions(+), 508 deletions(-) create mode 100644 tools/perf/util/sort.c create mode 100644 tools/perf/util/sort.h (limited to 'tools') diff --git a/tools/perf/Makefile b/tools/perf/Makefile index b5f1953b614..0a9e5aede31 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -339,6 +339,7 @@ LIB_H += util/symbol.h LIB_H += util/module.h LIB_H += util/color.h LIB_H += util/values.h +LIB_H += util/sort.h LIB_OBJS += util/abspath.o LIB_OBJS += util/alias.o @@ -374,6 +375,7 @@ LIB_OBJS += util/trace-event-parse.o LIB_OBJS += util/trace-event-read.o LIB_OBJS += util/trace-event-info.o LIB_OBJS += util/svghelper.o +LIB_OBJS += util/sort.o BUILTIN_OBJS += builtin-annotate.o BUILTIN_OBJS += builtin-help.o diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index a33087328bd..059c565b31e 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -22,12 +22,10 @@ #include "util/parse-options.h" #include "util/parse-events.h" #include "util/thread.h" +#include "util/sort.h" static char const *input_name = "perf.data"; -static char default_sort_order[] = "comm,symbol"; -static char *sort_order = default_sort_order; - static int force; static int input; static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV; @@ -55,207 +53,6 @@ struct sym_ext { static struct rb_root hist; -struct hist_entry { - struct rb_node rb_node; - - struct thread *thread; - struct map *map; - struct dso *dso; - struct symbol *sym; - u64 ip; - char level; - - uint32_t count; -}; - -/* - * configurable sorting bits - */ - -struct sort_entry { - struct list_head list; - - const char *header; - - int64_t (*cmp)(struct hist_entry *, struct hist_entry *); - int64_t (*collapse)(struct hist_entry *, struct hist_entry *); - size_t (*print)(FILE *fp, struct hist_entry *); -}; - -static int64_t cmp_null(void *l, void *r) -{ - if (!l && !r) - return 0; - else if (!l) - return -1; - else - return 1; -} - -/* --sort pid */ - -static int64_t -sort__thread_cmp(struct hist_entry *left, struct hist_entry *right) -{ - return right->thread->pid - left->thread->pid; -} - -static size_t -sort__thread_print(FILE *fp, struct hist_entry *self) -{ - return fprintf(fp, "%16s:%5d", self->thread->comm ?: "", self->thread->pid); -} - -static struct sort_entry sort_thread = { - .header = " Command: Pid", - .cmp = sort__thread_cmp, - .print = sort__thread_print, -}; - -/* --sort comm */ - -static int64_t -sort__comm_cmp(struct hist_entry *left, struct hist_entry *right) -{ - return right->thread->pid - left->thread->pid; -} - -static int64_t -sort__comm_collapse(struct hist_entry *left, struct hist_entry *right) -{ - char *comm_l = left->thread->comm; - char *comm_r = right->thread->comm; - - if (!comm_l || !comm_r) - return cmp_null(comm_l, comm_r); - - return strcmp(comm_l, comm_r); -} - -static size_t -sort__comm_print(FILE *fp, struct hist_entry *self) -{ - return fprintf(fp, "%16s", self->thread->comm); -} - -static struct sort_entry sort_comm = { - .header = " Command", - .cmp = sort__comm_cmp, - .collapse = sort__comm_collapse, - .print = sort__comm_print, -}; - -/* --sort dso */ - -static int64_t -sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) -{ - struct dso *dso_l = left->dso; - struct dso *dso_r = right->dso; - - if (!dso_l || !dso_r) - return cmp_null(dso_l, dso_r); - - return strcmp(dso_l->name, dso_r->name); -} - -static size_t -sort__dso_print(FILE *fp, struct hist_entry *self) -{ - if (self->dso) - return fprintf(fp, "%-25s", self->dso->name); - - return fprintf(fp, "%016llx ", (u64)self->ip); -} - -static struct sort_entry sort_dso = { - .header = "Shared Object ", - .cmp = sort__dso_cmp, - .print = sort__dso_print, -}; - -/* --sort symbol */ - -static int64_t -sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) -{ - u64 ip_l, ip_r; - - if (left->sym == right->sym) - return 0; - - ip_l = left->sym ? left->sym->start : left->ip; - ip_r = right->sym ? right->sym->start : right->ip; - - return (int64_t)(ip_r - ip_l); -} - -static size_t -sort__sym_print(FILE *fp, struct hist_entry *self) -{ - size_t ret = 0; - - if (verbose) - ret += fprintf(fp, "%#018llx ", (u64)self->ip); - - if (self->sym) { - ret += fprintf(fp, "[%c] %s", - self->dso == kernel_dso ? 'k' : '.', self->sym->name); - } else { - ret += fprintf(fp, "%#016llx", (u64)self->ip); - } - - return ret; -} - -static struct sort_entry sort_sym = { - .header = "Symbol", - .cmp = sort__sym_cmp, - .print = sort__sym_print, -}; - -static int sort__need_collapse = 0; - -struct sort_dimension { - const char *name; - struct sort_entry *entry; - int taken; -}; - -static struct sort_dimension sort_dimensions[] = { - { .name = "pid", .entry = &sort_thread, }, - { .name = "comm", .entry = &sort_comm, }, - { .name = "dso", .entry = &sort_dso, }, - { .name = "symbol", .entry = &sort_sym, }, -}; - -static LIST_HEAD(hist_entry__sort_list); - -static int sort_dimension__add(char *tok) -{ - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) { - struct sort_dimension *sd = &sort_dimensions[i]; - - if (sd->taken) - continue; - - if (strncasecmp(tok, sd->name, strlen(tok))) - continue; - - if (sd->entry->collapse) - sort__need_collapse = 1; - - list_add_tail(&sd->entry->list, &hist_entry__sort_list); - sd->taken = 1; - - return 0; - } - - return -ESRCH; -} - static int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) { @@ -1137,5 +934,11 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __used) setup_pager(); + if (field_sep && *field_sep == '.') { + fputs("'.' is the only non valid --field-separator argument\n", + stderr); + exit(129); + } + return __cmd_annotate(); } diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 19669c20088..7b43504900f 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -27,15 +27,13 @@ #include "util/parse-events.h" #include "util/thread.h" +#include "util/sort.h" static char const *input_name = "perf.data"; -static char default_sort_order[] = "comm,dso,symbol"; -static char *sort_order = default_sort_order; static char *dso_list_str, *comm_list_str, *sym_list_str, *col_width_list_str; static struct strlist *dso_list, *comm_list, *sym_list; -static char *field_sep; static int force; static int input; @@ -53,10 +51,6 @@ static char *pretty_printing_style = default_pretty_printing_style; static unsigned long page_size; static unsigned long mmap_window = 32; -static char default_parent_pattern[] = "^sys_|^do_page_fault"; -static char *parent_pattern = default_parent_pattern; -static regex_t parent_regex; - static int exclude_other = 1; static char callchain_default_opt[] = "fractal,0.5"; @@ -80,304 +74,8 @@ struct callchain_param callchain_param = { static u64 sample_type; -static int repsep_fprintf(FILE *fp, const char *fmt, ...) -{ - int n; - va_list ap; - - va_start(ap, fmt); - if (!field_sep) - n = vfprintf(fp, fmt, ap); - else { - char *bf = NULL; - n = vasprintf(&bf, fmt, ap); - if (n > 0) { - char *sep = bf; - - while (1) { - sep = strchr(sep, *field_sep); - if (sep == NULL) - break; - *sep = '.'; - } - } - fputs(bf, fp); - free(bf); - } - va_end(ap); - return n; -} - -static unsigned int dsos__col_width, - comms__col_width, - threads__col_width; - -/* - * histogram, sorted on item, collects counts - */ - static struct rb_root hist; -struct hist_entry { - struct rb_node rb_node; - - struct thread *thread; - struct map *map; - struct dso *dso; - struct symbol *sym; - struct symbol *parent; - u64 ip; - char level; - struct callchain_node callchain; - struct rb_root sorted_chain; - - u64 count; -}; - -/* - * configurable sorting bits - */ - -struct sort_entry { - struct list_head list; - - const char *header; - - int64_t (*cmp)(struct hist_entry *, struct hist_entry *); - int64_t (*collapse)(struct hist_entry *, struct hist_entry *); - size_t (*print)(FILE *fp, struct hist_entry *, unsigned int width); - unsigned int *width; - bool elide; -}; - -static int64_t cmp_null(void *l, void *r) -{ - if (!l && !r) - return 0; - else if (!l) - return -1; - else - return 1; -} - -/* --sort pid */ - -static int64_t -sort__thread_cmp(struct hist_entry *left, struct hist_entry *right) -{ - return right->thread->pid - left->thread->pid; -} - -static size_t -sort__thread_print(FILE *fp, struct hist_entry *self, unsigned int width) -{ - return repsep_fprintf(fp, "%*s:%5d", width - 6, - self->thread->comm ?: "", self->thread->pid); -} - -static struct sort_entry sort_thread = { - .header = "Command: Pid", - .cmp = sort__thread_cmp, - .print = sort__thread_print, - .width = &threads__col_width, -}; - -/* --sort comm */ - -static int64_t -sort__comm_cmp(struct hist_entry *left, struct hist_entry *right) -{ - return right->thread->pid - left->thread->pid; -} - -static int64_t -sort__comm_collapse(struct hist_entry *left, struct hist_entry *right) -{ - char *comm_l = left->thread->comm; - char *comm_r = right->thread->comm; - - if (!comm_l || !comm_r) - return cmp_null(comm_l, comm_r); - - return strcmp(comm_l, comm_r); -} - -static size_t -sort__comm_print(FILE *fp, struct hist_entry *self, unsigned int width) -{ - return repsep_fprintf(fp, "%*s", width, self->thread->comm); -} - -static struct sort_entry sort_comm = { - .header = "Command", - .cmp = sort__comm_cmp, - .collapse = sort__comm_collapse, - .print = sort__comm_print, - .width = &comms__col_width, -}; - -/* --sort dso */ - -static int64_t -sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) -{ - struct dso *dso_l = left->dso; - struct dso *dso_r = right->dso; - - if (!dso_l || !dso_r) - return cmp_null(dso_l, dso_r); - - return strcmp(dso_l->name, dso_r->name); -} - -static size_t -sort__dso_print(FILE *fp, struct hist_entry *self, unsigned int width) -{ - if (self->dso) - return repsep_fprintf(fp, "%-*s", width, self->dso->name); - - return repsep_fprintf(fp, "%*llx", width, (u64)self->ip); -} - -static struct sort_entry sort_dso = { - .header = "Shared Object", - .cmp = sort__dso_cmp, - .print = sort__dso_print, - .width = &dsos__col_width, -}; - -/* --sort symbol */ - -static int64_t -sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) -{ - u64 ip_l, ip_r; - - if (left->sym == right->sym) - return 0; - - ip_l = left->sym ? left->sym->start : left->ip; - ip_r = right->sym ? right->sym->start : right->ip; - - return (int64_t)(ip_r - ip_l); -} - -static size_t -sort__sym_print(FILE *fp, struct hist_entry *self, unsigned int width __used) -{ - size_t ret = 0; - - if (verbose) - ret += repsep_fprintf(fp, "%#018llx %c ", (u64)self->ip, - dso__symtab_origin(self->dso)); - - ret += repsep_fprintf(fp, "[%c] ", self->level); - if (self->sym) { - ret += repsep_fprintf(fp, "%s", self->sym->name); - - if (self->sym->module) - ret += repsep_fprintf(fp, "\t[%s]", - self->sym->module->name); - } else { - ret += repsep_fprintf(fp, "%#016llx", (u64)self->ip); - } - - return ret; -} - -static struct sort_entry sort_sym = { - .header = "Symbol", - .cmp = sort__sym_cmp, - .print = sort__sym_print, -}; - -/* --sort parent */ - -static int64_t -sort__parent_cmp(struct hist_entry *left, struct hist_entry *right) -{ - struct symbol *sym_l = left->parent; - struct symbol *sym_r = right->parent; - - if (!sym_l || !sym_r) - return cmp_null(sym_l, sym_r); - - return strcmp(sym_l->name, sym_r->name); -} - -static size_t -sort__parent_print(FILE *fp, struct hist_entry *self, unsigned int width) -{ - return repsep_fprintf(fp, "%-*s", width, - self->parent ? self->parent->name : "[other]"); -} - -static unsigned int parent_symbol__col_width; - -static struct sort_entry sort_parent = { - .header = "Parent symbol", - .cmp = sort__parent_cmp, - .print = sort__parent_print, - .width = &parent_symbol__col_width, -}; - -static int sort__need_collapse = 0; -static int sort__has_parent = 0; - -struct sort_dimension { - const char *name; - struct sort_entry *entry; - int taken; -}; - -static struct sort_dimension sort_dimensions[] = { - { .name = "pid", .entry = &sort_thread, }, - { .name = "comm", .entry = &sort_comm, }, - { .name = "dso", .entry = &sort_dso, }, - { .name = "symbol", .entry = &sort_sym, }, - { .name = "parent", .entry = &sort_parent, }, -}; - -static LIST_HEAD(hist_entry__sort_list); - -static int sort_dimension__add(const char *tok) -{ - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) { - struct sort_dimension *sd = &sort_dimensions[i]; - - if (sd->taken) - continue; - - if (strncasecmp(tok, sd->name, strlen(tok))) - continue; - - if (sd->entry->collapse) - sort__need_collapse = 1; - - if (sd->entry == &sort_parent) { - int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED); - if (ret) { - char err[BUFSIZ]; - - regerror(ret, &parent_regex, err, sizeof(err)); - fprintf(stderr, "Invalid regex: %s\n%s", - parent_pattern, err); - exit(-1); - } - sort__has_parent = 1; - } - - list_add_tail(&sd->entry->list, &hist_entry__sort_list); - sd->taken = 1; - - return 0; - } - - return -ESRCH; -} - static int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) { @@ -1606,7 +1304,8 @@ setup: return 0; } -static const char * const report_usage[] = { +//static const char * const report_usage[] = { +const char * const report_usage[] = { "perf report [] ", NULL }; diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c new file mode 100644 index 00000000000..50e75abb1fd --- /dev/null +++ b/tools/perf/util/sort.c @@ -0,0 +1,268 @@ +#include "sort.h" + +regex_t parent_regex; +char default_parent_pattern[] = "^sys_|^do_page_fault"; +char *parent_pattern = default_parent_pattern; +char default_sort_order[] = "comm,dso,symbol"; +char *sort_order = default_sort_order; +int sort__need_collapse = 0; +int sort__has_parent = 0; + +unsigned int dsos__col_width; +unsigned int comms__col_width; +unsigned int threads__col_width; +static unsigned int parent_symbol__col_width; +char * field_sep; + +LIST_HEAD(hist_entry__sort_list); + +struct sort_entry sort_thread = { + .header = "Command: Pid", + .cmp = sort__thread_cmp, + .print = sort__thread_print, + .width = &threads__col_width, +}; + +struct sort_entry sort_comm = { + .header = "Command", + .cmp = sort__comm_cmp, + .collapse = sort__comm_collapse, + .print = sort__comm_print, + .width = &comms__col_width, +}; + +struct sort_entry sort_dso = { + .header = "Shared Object", + .cmp = sort__dso_cmp, + .print = sort__dso_print, + .width = &dsos__col_width, +}; + +struct sort_entry sort_sym = { + .header = "Symbol", + .cmp = sort__sym_cmp, + .print = sort__sym_print, +}; + +struct sort_entry sort_parent = { + .header = "Parent symbol", + .cmp = sort__parent_cmp, + .print = sort__parent_print, + .width = &parent_symbol__col_width, +}; + +struct sort_dimension { + const char *name; + struct sort_entry *entry; + int taken; +}; + +static struct sort_dimension sort_dimensions[] = { + { .name = "pid", .entry = &sort_thread, }, + { .name = "comm", .entry = &sort_comm, }, + { .name = "dso", .entry = &sort_dso, }, + { .name = "symbol", .entry = &sort_sym, }, + { .name = "parent", .entry = &sort_parent, }, +}; + +int64_t cmp_null(void *l, void *r) +{ + if (!l && !r) + return 0; + else if (!l) + return -1; + else + return 1; +} + +/* --sort pid */ + +int64_t +sort__thread_cmp(struct hist_entry *left, struct hist_entry *right) +{ + return right->thread->pid - left->thread->pid; +} + +int repsep_fprintf(FILE *fp, const char *fmt, ...) +{ + int n; + va_list ap; + + va_start(ap, fmt); + if (!field_sep) + n = vfprintf(fp, fmt, ap); + else { + char *bf = NULL; + n = vasprintf(&bf, fmt, ap); + if (n > 0) { + char *sep = bf; + + while (1) { + sep = strchr(sep, *field_sep); + if (sep == NULL) + break; + *sep = '.'; + } + } + fputs(bf, fp); + free(bf); + } + va_end(ap); + return n; +} + +size_t +sort__thread_print(FILE *fp, struct hist_entry *self, unsigned int width) +{ + return repsep_fprintf(fp, "%*s:%5d", width - 6, + self->thread->comm ?: "", self->thread->pid); +} + +size_t +sort__comm_print(FILE *fp, struct hist_entry *self, unsigned int width) +{ + return repsep_fprintf(fp, "%*s", width, self->thread->comm); +} + +/* --sort dso */ + +int64_t +sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) +{ + struct dso *dso_l = left->dso; + struct dso *dso_r = right->dso; + + if (!dso_l || !dso_r) + return cmp_null(dso_l, dso_r); + + return strcmp(dso_l->name, dso_r->name); +} + +size_t +sort__dso_print(FILE *fp, struct hist_entry *self, unsigned int width) +{ + if (self->dso) + return repsep_fprintf(fp, "%-*s", width, self->dso->name); + + return repsep_fprintf(fp, "%*llx", width, (u64)self->ip); +} + +/* --sort symbol */ + +int64_t +sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) +{ + u64 ip_l, ip_r; + + if (left->sym == right->sym) + return 0; + + ip_l = left->sym ? left->sym->start : left->ip; + ip_r = right->sym ? right->sym->start : right->ip; + + return (int64_t)(ip_r - ip_l); +} + + +size_t +sort__sym_print(FILE *fp, struct hist_entry *self, unsigned int width __used) +{ + size_t ret = 0; + + if (verbose) + ret += repsep_fprintf(fp, "%#018llx %c ", (u64)self->ip, + dso__symtab_origin(self->dso)); + + ret += repsep_fprintf(fp, "[%c] ", self->level); + if (self->sym) { + ret += repsep_fprintf(fp, "%s", self->sym->name); + + if (self->sym->module) + ret += repsep_fprintf(fp, "\t[%s]", + self->sym->module->name); + } else { + ret += repsep_fprintf(fp, "%#016llx", (u64)self->ip); + } + + return ret; +} + +/* --sort comm */ + +int64_t +sort__comm_cmp(struct hist_entry *left, struct hist_entry *right) +{ + return right->thread->pid - left->thread->pid; +} + +int64_t +sort__comm_collapse(struct hist_entry *left, struct hist_entry *right) +{ + char *comm_l = left->thread->comm; + char *comm_r = right->thread->comm; + + if (!comm_l || !comm_r) + return cmp_null(comm_l, comm_r); + + return strcmp(comm_l, comm_r); +} + +/* --sort parent */ + +int64_t +sort__parent_cmp(struct hist_entry *left, struct hist_entry *right) +{ + struct symbol *sym_l = left->parent; + struct symbol *sym_r = right->parent; + + if (!sym_l || !sym_r) + return cmp_null(sym_l, sym_r); + + return strcmp(sym_l->name, sym_r->name); +} + +size_t +sort__parent_print(FILE *fp, struct hist_entry *self, unsigned int width) +{ + return repsep_fprintf(fp, "%-*s", width, + self->parent ? self->parent->name : "[other]"); +} + +int sort_dimension__add(const char *tok) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) { + struct sort_dimension *sd = &sort_dimensions[i]; + + if (sd->taken) + continue; + + if (strncasecmp(tok, sd->name, strlen(tok))) + continue; + + if (sd->entry->collapse) + sort__need_collapse = 1; + + if (sd->entry == &sort_parent) { + int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED); + if (ret) { + char err[BUFSIZ]; + + regerror(ret, &parent_regex, err, sizeof(err)); + fprintf(stderr, "Invalid regex: %s\n%s", + parent_pattern, err); + exit(-1); + } + sort__has_parent = 1; + } + + list_add_tail(&sd->entry->list, &hist_entry__sort_list); + sd->taken = 1; + + return 0; + } + + return -ESRCH; +} + diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h new file mode 100644 index 00000000000..4684fd6d5c4 --- /dev/null +++ b/tools/perf/util/sort.h @@ -0,0 +1,93 @@ +#ifndef __PERF_SORT_H +#define __PERF_SORT_H +#include "../builtin.h" + +#include "util.h" + +#include "color.h" +#include +#include "cache.h" +#include +#include "symbol.h" +#include "string.h" +#include "callchain.h" +#include "strlist.h" +#include "values.h" + +#include "../perf.h" +#include "debug.h" +#include "header.h" + +#include "parse-options.h" +#include "parse-events.h" + +#include "thread.h" +#include "sort.h" + +extern regex_t parent_regex; +extern char *sort_order; +extern char default_parent_pattern[]; +extern char *parent_pattern; +extern char default_sort_order[]; +extern int sort__need_collapse; +extern int sort__has_parent; +extern char *field_sep; +extern struct sort_entry sort_comm; +extern struct sort_entry sort_dso; +extern struct sort_entry sort_sym; +extern struct sort_entry sort_parent; +extern unsigned int dsos__col_width; +extern unsigned int comms__col_width; +extern unsigned int threads__col_width; + +struct hist_entry { + struct rb_node rb_node; + + struct thread *thread; + struct map *map; + struct dso *dso; + struct symbol *sym; + struct symbol *parent; + u64 ip; + char level; + struct callchain_node callchain; + struct rb_root sorted_chain; + + u64 count; +}; + +/* + * configurable sorting bits + */ + +struct sort_entry { + struct list_head list; + + const char *header; + + int64_t (*cmp)(struct hist_entry *, struct hist_entry *); + int64_t (*collapse)(struct hist_entry *, struct hist_entry *); + size_t (*print)(FILE *fp, struct hist_entry *, unsigned int width); + unsigned int *width; + bool elide; +}; + +extern struct sort_entry sort_thread; +extern struct list_head hist_entry__sort_list; + +extern int repsep_fprintf(FILE *fp, const char *fmt, ...); +extern size_t sort__thread_print(FILE *, struct hist_entry *, unsigned int); +extern size_t sort__comm_print(FILE *, struct hist_entry *, unsigned int); +extern size_t sort__dso_print(FILE *, struct hist_entry *, unsigned int); +extern size_t sort__sym_print(FILE *, struct hist_entry *, unsigned int __used); +extern int64_t cmp_null(void *, void *); +extern int64_t sort__thread_cmp(struct hist_entry *, struct hist_entry *); +extern int64_t sort__comm_cmp(struct hist_entry *, struct hist_entry *); +extern int64_t sort__comm_collapse(struct hist_entry *, struct hist_entry *); +extern int64_t sort__dso_cmp(struct hist_entry *, struct hist_entry *); +extern int64_t sort__sym_cmp(struct hist_entry *, struct hist_entry *); +extern int64_t sort__parent_cmp(struct hist_entry *, struct hist_entry *); +extern size_t sort__parent_print(FILE *, struct hist_entry *, unsigned int); +extern int sort_dimension__add(const char *); + +#endif /* __PERF_SORT_H */ -- cgit v1.2.3 From 3d1d07ecd2009f65cb2091563fa21f9600c36774 Mon Sep 17 00:00:00 2001 From: John Kacur Date: Mon, 28 Sep 2009 15:32:55 +0200 Subject: perf tools: Put common histogram functions in their own file Move histogram related functions into their own files (hist.c and hist.h) and make use of them in builtin-annotate.c and builtin-report.c. Signed-off-by: John Kacur Acked-by: Frederic Weisbecker Cc: Peter Zijlstra LKML-Reference: Signed-off-by: Ingo Molnar --- tools/perf/Makefile | 2 + tools/perf/builtin-annotate.c | 152 +-------------------------------------- tools/perf/builtin-report.c | 164 +----------------------------------------- tools/perf/util/hist.c | 164 ++++++++++++++++++++++++++++++++++++++++++ tools/perf/util/hist.h | 47 ++++++++++++ 5 files changed, 216 insertions(+), 313 deletions(-) create mode 100644 tools/perf/util/hist.c create mode 100644 tools/perf/util/hist.h (limited to 'tools') diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 0a9e5aede31..3a99a9fda64 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -340,6 +340,7 @@ LIB_H += util/module.h LIB_H += util/color.h LIB_H += util/values.h LIB_H += util/sort.h +LIB_H += util/hist.h LIB_OBJS += util/abspath.o LIB_OBJS += util/alias.o @@ -376,6 +377,7 @@ LIB_OBJS += util/trace-event-read.o LIB_OBJS += util/trace-event-info.o LIB_OBJS += util/svghelper.o LIB_OBJS += util/sort.o +LIB_OBJS += util/hist.o BUILTIN_OBJS += builtin-annotate.o BUILTIN_OBJS += builtin-help.o diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 059c565b31e..df516dce954 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -23,6 +23,7 @@ #include "util/parse-events.h" #include "util/thread.h" #include "util/sort.h" +#include "util/hist.h" static char const *input_name = "perf.data"; @@ -47,45 +48,6 @@ struct sym_ext { char *path; }; -/* - * histogram, sorted on item, collects counts - */ - -static struct rb_root hist; - -static int64_t -hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) -{ - struct sort_entry *se; - int64_t cmp = 0; - - list_for_each_entry(se, &hist_entry__sort_list, list) { - cmp = se->cmp(left, right); - if (cmp) - break; - } - - return cmp; -} - -static int64_t -hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) -{ - struct sort_entry *se; - int64_t cmp = 0; - - list_for_each_entry(se, &hist_entry__sort_list, list) { - int64_t (*f)(struct hist_entry *, struct hist_entry *); - - f = se->collapse ?: se->cmp; - - cmp = f(left, right); - if (cmp) - break; - } - - return cmp; -} /* * collect histogram counts @@ -163,116 +125,6 @@ hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, return 0; } -static void hist_entry__free(struct hist_entry *he) -{ - free(he); -} - -/* - * collapse the histogram - */ - -static struct rb_root collapse_hists; - -static void collapse__insert_entry(struct hist_entry *he) -{ - struct rb_node **p = &collapse_hists.rb_node; - struct rb_node *parent = NULL; - struct hist_entry *iter; - int64_t cmp; - - while (*p != NULL) { - parent = *p; - iter = rb_entry(parent, struct hist_entry, rb_node); - - cmp = hist_entry__collapse(iter, he); - - if (!cmp) { - iter->count += he->count; - hist_entry__free(he); - return; - } - - if (cmp < 0) - p = &(*p)->rb_left; - else - p = &(*p)->rb_right; - } - - rb_link_node(&he->rb_node, parent, p); - rb_insert_color(&he->rb_node, &collapse_hists); -} - -static void collapse__resort(void) -{ - struct rb_node *next; - struct hist_entry *n; - - if (!sort__need_collapse) - return; - - next = rb_first(&hist); - while (next) { - n = rb_entry(next, struct hist_entry, rb_node); - next = rb_next(&n->rb_node); - - rb_erase(&n->rb_node, &hist); - collapse__insert_entry(n); - } -} - -/* - * reverse the map, sort on count. - */ - -static struct rb_root output_hists; - -static void output__insert_entry(struct hist_entry *he) -{ - struct rb_node **p = &output_hists.rb_node; - struct rb_node *parent = NULL; - struct hist_entry *iter; - - while (*p != NULL) { - parent = *p; - iter = rb_entry(parent, struct hist_entry, rb_node); - - if (he->count > iter->count) - p = &(*p)->rb_left; - else - p = &(*p)->rb_right; - } - - rb_link_node(&he->rb_node, parent, p); - rb_insert_color(&he->rb_node, &output_hists); -} - -static void output__resort(void) -{ - struct rb_node *next; - struct hist_entry *n; - struct rb_root *tree = &hist; - - if (sort__need_collapse) - tree = &collapse_hists; - - next = rb_first(tree); - - while (next) { - n = rb_entry(next, struct hist_entry, rb_node); - next = rb_next(&n->rb_node); - - rb_erase(&n->rb_node, tree); - output__insert_entry(n); - } -} - -static unsigned long total = 0, - total_mmap = 0, - total_comm = 0, - total_fork = 0, - total_unknown = 0; - static int process_sample_event(event_t *event, unsigned long offset, unsigned long head) { @@ -861,7 +713,7 @@ more: dsos__fprintf(stdout); collapse__resort(); - output__resort(); + output__resort(total); find_annotations(); diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 7b43504900f..c1a54fc8527 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -28,6 +28,7 @@ #include "util/thread.h" #include "util/sort.h" +#include "util/hist.h" static char const *input_name = "perf.data"; @@ -55,8 +56,6 @@ static int exclude_other = 1; static char callchain_default_opt[] = "fractal,0.5"; -static int callchain; - static char __cwd[PATH_MAX]; static char *cwd = __cwd; static int cwdlen; @@ -66,50 +65,8 @@ static struct thread *last_match; static struct perf_header *header; -static -struct callchain_param callchain_param = { - .mode = CHAIN_GRAPH_REL, - .min_percent = 0.5 -}; - static u64 sample_type; -static struct rb_root hist; - -static int64_t -hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) -{ - struct sort_entry *se; - int64_t cmp = 0; - - list_for_each_entry(se, &hist_entry__sort_list, list) { - cmp = se->cmp(left, right); - if (cmp) - break; - } - - return cmp; -} - -static int64_t -hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) -{ - struct sort_entry *se; - int64_t cmp = 0; - - list_for_each_entry(se, &hist_entry__sort_list, list) { - int64_t (*f)(struct hist_entry *, struct hist_entry *); - - f = se->collapse ?: se->cmp; - - cmp = f(left, right); - if (cmp) - break; - } - - return cmp; -} - static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask) { int i; @@ -308,7 +265,6 @@ hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self, return ret; } - static size_t hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples) { @@ -573,117 +529,6 @@ hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, return 0; } -static void hist_entry__free(struct hist_entry *he) -{ - free(he); -} - -/* - * collapse the histogram - */ - -static struct rb_root collapse_hists; - -static void collapse__insert_entry(struct hist_entry *he) -{ - struct rb_node **p = &collapse_hists.rb_node; - struct rb_node *parent = NULL; - struct hist_entry *iter; - int64_t cmp; - - while (*p != NULL) { - parent = *p; - iter = rb_entry(parent, struct hist_entry, rb_node); - - cmp = hist_entry__collapse(iter, he); - - if (!cmp) { - iter->count += he->count; - hist_entry__free(he); - return; - } - - if (cmp < 0) - p = &(*p)->rb_left; - else - p = &(*p)->rb_right; - } - - rb_link_node(&he->rb_node, parent, p); - rb_insert_color(&he->rb_node, &collapse_hists); -} - -static void collapse__resort(void) -{ - struct rb_node *next; - struct hist_entry *n; - - if (!sort__need_collapse) - return; - - next = rb_first(&hist); - while (next) { - n = rb_entry(next, struct hist_entry, rb_node); - next = rb_next(&n->rb_node); - - rb_erase(&n->rb_node, &hist); - collapse__insert_entry(n); - } -} - -/* - * reverse the map, sort on count. - */ - -static struct rb_root output_hists; - -static void output__insert_entry(struct hist_entry *he, u64 min_callchain_hits) -{ - struct rb_node **p = &output_hists.rb_node; - struct rb_node *parent = NULL; - struct hist_entry *iter; - - if (callchain) - callchain_param.sort(&he->sorted_chain, &he->callchain, - min_callchain_hits, &callchain_param); - - while (*p != NULL) { - parent = *p; - iter = rb_entry(parent, struct hist_entry, rb_node); - - if (he->count > iter->count) - p = &(*p)->rb_left; - else - p = &(*p)->rb_right; - } - - rb_link_node(&he->rb_node, parent, p); - rb_insert_color(&he->rb_node, &output_hists); -} - -static void output__resort(u64 total_samples) -{ - struct rb_node *next; - struct hist_entry *n; - struct rb_root *tree = &hist; - u64 min_callchain_hits; - - min_callchain_hits = total_samples * (callchain_param.min_percent / 100); - - if (sort__need_collapse) - tree = &collapse_hists; - - next = rb_first(tree); - - while (next) { - n = rb_entry(next, struct hist_entry, rb_node); - next = rb_next(&n->rb_node); - - rb_erase(&n->rb_node, tree); - output__insert_entry(n, min_callchain_hits); - } -} - static size_t output__fprintf(FILE *fp, u64 total_samples) { struct hist_entry *pos; @@ -778,13 +623,6 @@ print_entries: return ret; } -static unsigned long total = 0, - total_mmap = 0, - total_comm = 0, - total_fork = 0, - total_unknown = 0, - total_lost = 0; - static int validate_chain(struct ip_callchain *chain, event_t *event) { unsigned int chain_size; diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c new file mode 100644 index 00000000000..82808dc4f8e --- /dev/null +++ b/tools/perf/util/hist.c @@ -0,0 +1,164 @@ +#include "hist.h" + +struct rb_root hist; +struct rb_root collapse_hists; +struct rb_root output_hists; +int callchain; + +struct callchain_param callchain_param = { + .mode = CHAIN_GRAPH_REL, + .min_percent = 0.5 +}; + +unsigned long total; +unsigned long total_mmap; +unsigned long total_comm; +unsigned long total_fork; +unsigned long total_unknown; +unsigned long total_lost; + +/* + * histogram, sorted on item, collects counts + */ + +int64_t +hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) +{ + struct sort_entry *se; + int64_t cmp = 0; + + list_for_each_entry(se, &hist_entry__sort_list, list) { + cmp = se->cmp(left, right); + if (cmp) + break; + } + + return cmp; +} + +int64_t +hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) +{ + struct sort_entry *se; + int64_t cmp = 0; + + list_for_each_entry(se, &hist_entry__sort_list, list) { + int64_t (*f)(struct hist_entry *, struct hist_entry *); + + f = se->collapse ?: se->cmp; + + cmp = f(left, right); + if (cmp) + break; + } + + return cmp; +} + +void hist_entry__free(struct hist_entry *he) +{ + free(he); +} + +/* + * collapse the histogram + */ + +void collapse__insert_entry(struct hist_entry *he) +{ + struct rb_node **p = &collapse_hists.rb_node; + struct rb_node *parent = NULL; + struct hist_entry *iter; + int64_t cmp; + + while (*p != NULL) { + parent = *p; + iter = rb_entry(parent, struct hist_entry, rb_node); + + cmp = hist_entry__collapse(iter, he); + + if (!cmp) { + iter->count += he->count; + hist_entry__free(he); + return; + } + + if (cmp < 0) + p = &(*p)->rb_left; + else + p = &(*p)->rb_right; + } + + rb_link_node(&he->rb_node, parent, p); + rb_insert_color(&he->rb_node, &collapse_hists); +} + +void collapse__resort(void) +{ + struct rb_node *next; + struct hist_entry *n; + + if (!sort__need_collapse) + return; + + next = rb_first(&hist); + while (next) { + n = rb_entry(next, struct hist_entry, rb_node); + next = rb_next(&n->rb_node); + + rb_erase(&n->rb_node, &hist); + collapse__insert_entry(n); + } +} + +/* + * reverse the map, sort on count. + */ + +void output__insert_entry(struct hist_entry *he, u64 min_callchain_hits) +{ + struct rb_node **p = &output_hists.rb_node; + struct rb_node *parent = NULL; + struct hist_entry *iter; + + if (callchain) + callchain_param.sort(&he->sorted_chain, &he->callchain, + min_callchain_hits, &callchain_param); + + while (*p != NULL) { + parent = *p; + iter = rb_entry(parent, struct hist_entry, rb_node); + + if (he->count > iter->count) + p = &(*p)->rb_left; + else + p = &(*p)->rb_right; + } + + rb_link_node(&he->rb_node, parent, p); + rb_insert_color(&he->rb_node, &output_hists); +} + +void output__resort(u64 total_samples) +{ + struct rb_node *next; + struct hist_entry *n; + struct rb_root *tree = &hist; + u64 min_callchain_hits; + + min_callchain_hits = + total_samples * (callchain_param.min_percent / 100); + + if (sort__need_collapse) + tree = &collapse_hists; + + next = rb_first(tree); + + while (next) { + n = rb_entry(next, struct hist_entry, rb_node); + next = rb_next(&n->rb_node); + + rb_erase(&n->rb_node, tree); + output__insert_entry(n, min_callchain_hits); + } +} diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h new file mode 100644 index 00000000000..9a8daa12b43 --- /dev/null +++ b/tools/perf/util/hist.h @@ -0,0 +1,47 @@ +#ifndef __PERF_HIST_H +#define __PERF_HIST_H +#include "../builtin.h" + +#include "util.h" + +#include "color.h" +#include +#include "cache.h" +#include +#include "symbol.h" +#include "string.h" +#include "callchain.h" +#include "strlist.h" +#include "values.h" + +#include "../perf.h" +#include "debug.h" +#include "header.h" + +#include "parse-options.h" +#include "parse-events.h" + +#include "thread.h" +#include "sort.h" + +extern struct rb_root hist; +extern struct rb_root collapse_hists; +extern struct rb_root output_hists; +extern int callchain; +extern struct callchain_param callchain_param; +extern unsigned long total; +extern unsigned long total_mmap; +extern unsigned long total_comm; +extern unsigned long total_fork; +extern unsigned long total_unknown; +extern unsigned long total_lost; + +extern int64_t hist_entry__cmp(struct hist_entry *, struct hist_entry *); +extern int64_t hist_entry__collapse(struct hist_entry *, struct hist_entry *); +extern void hist_entry__free(struct hist_entry *); +extern void collapse__insert_entry(struct hist_entry *); +extern void collapse__resort(void); +extern void output__insert_entry(struct hist_entry *, u64); +extern void output__resort(u64); + +#endif /* __PERF_HIST_H */ -- cgit v1.2.3 From 1b46cddfccfec4cc67b187fb53d78198de6a057c Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 28 Sep 2009 14:48:46 -0300 Subject: perf tools: Use rb_tree for maps MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Threads can have many and kernel modules will be represented as a tree of maps as well. Ah, and for a perf.data with 146607 samples: Before: [root@doppio ~]# perf stat -r 5 perf report > /dev/null Performance counter stats for 'perf report' (5 runs): 699.823680 task-clock-msecs # 0.991 CPUs ( +- 0.454% ) 74 context-switches # 0.000 M/sec ( +- 1.709% ) 2 CPU-migrations # 0.000 M/sec ( +- 17.008% ) 23114 page-faults # 0.033 M/sec ( +- 0.000% ) 1381257019 cycles # 1973.721 M/sec ( +- 0.290% ) 1456894438 instructions # 1.055 IPC ( +- 0.007% ) 18779818 cache-references # 26.835 M/sec ( +- 0.380% ) 641799 cache-misses # 0.917 M/sec ( +- 1.200% ) 0.705972729 seconds time elapsed ( +- 0.501% ) [root@doppio ~]# After Performance counter stats for 'perf report' (5 runs): 691.261451 task-clock-msecs # 0.993 CPUs ( +- 0.307% ) 72 context-switches # 0.000 M/sec ( +- 0.829% ) 6 CPU-migrations # 0.000 M/sec ( +- 18.409% ) 23127 page-faults # 0.033 M/sec ( +- 0.000% ) 1366395876 cycles # 1976.670 M/sec ( +- 0.153% ) 1443136016 instructions # 1.056 IPC ( +- 0.012% ) 17956402 cache-references # 25.976 M/sec ( +- 0.325% ) 661924 cache-misses # 0.958 M/sec ( +- 1.335% ) 0.696127275 seconds time elapsed ( +- 0.377% ) I.e. we see some speedup too. Signed-off-by: Arnaldo Carvalho de Melo Cc: Frédéric Weisbecker Cc: Peter Zijlstra Cc: Mike Galbraith Cc: "H. Peter Anvin" LKML-Reference: <20090928174846.GA3361@ghostprotocols.net> Signed-off-by: Ingo Molnar --- tools/perf/Makefile | 1 + tools/perf/util/event.h | 4 +- tools/perf/util/thread.c | 129 ++++++++++++++++++++++++++++++----------------- tools/perf/util/thread.h | 12 +++-- 4 files changed, 95 insertions(+), 51 deletions(-) (limited to 'tools') diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 3a99a9fda64..055290a5b83 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -341,6 +341,7 @@ LIB_H += util/color.h LIB_H += util/values.h LIB_H += util/sort.h LIB_H += util/hist.h +LIB_H += util/thread.h LIB_OBJS += util/abspath.o LIB_OBJS += util/alias.o diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index c31a5da6458..4c69eb55380 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -3,7 +3,7 @@ #include "../perf.h" #include "util.h" -#include +#include enum { SHOW_KERNEL = 1, @@ -79,7 +79,7 @@ typedef union event_union { } event_t; struct map { - struct list_head node; + struct rb_node rb_node; u64 start; u64 end; u64 pgoff; diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 45efb5db0d1..9d0945cc66d 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -15,7 +15,7 @@ static struct thread *thread__new(pid_t pid) self->comm = malloc(32); if (self->comm) snprintf(self->comm, 32, ":%d", self->pid); - INIT_LIST_HEAD(&self->maps); + self->maps = RB_ROOT; } return self; @@ -31,11 +31,13 @@ int thread__set_comm(struct thread *self, const char *comm) static size_t thread__fprintf(struct thread *self, FILE *fp) { - struct map *pos; + struct rb_node *nd; size_t ret = fprintf(fp, "Thread %d %s\n", self->pid, self->comm); - list_for_each_entry(pos, &self->maps, node) + for (nd = rb_first(&self->maps); nd; nd = rb_next(nd)) { + struct map *pos = rb_entry(nd, struct map, rb_node); ret += map__fprintf(pos, fp); + } return ret; } @@ -93,42 +95,90 @@ register_idle_thread(struct rb_root *threads, struct thread **last_match) return thread; } -void thread__insert_map(struct thread *self, struct map *map) +static void thread__remove_overlappings(struct thread *self, struct map *map) { - struct map *pos, *tmp; - - list_for_each_entry_safe(pos, tmp, &self->maps, node) { - if (map__overlap(pos, map)) { - if (verbose >= 2) { - printf("overlapping maps:\n"); - map__fprintf(map, stdout); - map__fprintf(pos, stdout); - } - - if (map->start <= pos->start && map->end > pos->start) - pos->start = map->end; - - if (map->end >= pos->end && map->start < pos->end) - pos->end = map->start; - - if (verbose >= 2) { - printf("after collision:\n"); - map__fprintf(pos, stdout); - } - - if (pos->start >= pos->end) { - list_del_init(&pos->node); - free(pos); - } + struct rb_node *next = rb_first(&self->maps); + + while (next) { + struct map *pos = rb_entry(next, struct map, rb_node); + next = rb_next(&pos->rb_node); + + if (!map__overlap(pos, map)) + continue; + + if (verbose >= 2) { + printf("overlapping maps:\n"); + map__fprintf(map, stdout); + map__fprintf(pos, stdout); + } + + if (map->start <= pos->start && map->end > pos->start) + pos->start = map->end; + + if (map->end >= pos->end && map->start < pos->end) + pos->end = map->start; + + if (verbose >= 2) { + printf("after collision:\n"); + map__fprintf(pos, stdout); + } + + if (pos->start >= pos->end) { + rb_erase(&pos->rb_node, &self->maps); + free(pos); } } +} + +void maps__insert(struct rb_root *maps, struct map *map) +{ + struct rb_node **p = &maps->rb_node; + struct rb_node *parent = NULL; + const u64 ip = map->start; + struct map *m; + + while (*p != NULL) { + parent = *p; + m = rb_entry(parent, struct map, rb_node); + if (ip < m->start) + p = &(*p)->rb_left; + else + p = &(*p)->rb_right; + } + + rb_link_node(&map->rb_node, parent, p); + rb_insert_color(&map->rb_node, maps); +} + +struct map *maps__find(struct rb_root *maps, u64 ip) +{ + struct rb_node **p = &maps->rb_node; + struct rb_node *parent = NULL; + struct map *m; + + while (*p != NULL) { + parent = *p; + m = rb_entry(parent, struct map, rb_node); + if (ip < m->start) + p = &(*p)->rb_left; + else if (ip > m->end) + p = &(*p)->rb_right; + else + return m; + } + + return NULL; +} - list_add_tail(&map->node, &self->maps); +void thread__insert_map(struct thread *self, struct map *map) +{ + thread__remove_overlappings(self, map); + maps__insert(&self->maps, map); } int thread__fork(struct thread *self, struct thread *parent) { - struct map *map; + struct rb_node *nd; if (self->comm) free(self->comm); @@ -136,7 +186,8 @@ int thread__fork(struct thread *self, struct thread *parent) if (!self->comm) return -ENOMEM; - list_for_each_entry(map, &parent->maps, node) { + for (nd = rb_first(&parent->maps); nd; nd = rb_next(nd)) { + struct map *map = rb_entry(nd, struct map, rb_node); struct map *new = map__clone(map); if (!new) return -ENOMEM; @@ -146,20 +197,6 @@ int thread__fork(struct thread *self, struct thread *parent) return 0; } -struct map *thread__find_map(struct thread *self, u64 ip) -{ - struct map *pos; - - if (self == NULL) - return NULL; - - list_for_each_entry(pos, &self->maps, node) - if (ip >= pos->start && ip <= pos->end) - return pos; - - return NULL; -} - size_t threads__fprintf(FILE *fp, struct rb_root *threads) { size_t ret = 0; diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h index 693ed1ea10b..bbb37c1a52e 100644 --- a/tools/perf/util/thread.h +++ b/tools/perf/util/thread.h @@ -2,13 +2,12 @@ #define __PERF_THREAD_H #include -#include #include #include "symbol.h" struct thread { struct rb_node rb_node; - struct list_head maps; + struct rb_root maps; pid_t pid; char shortname[3]; char *comm; @@ -21,7 +20,14 @@ struct thread * register_idle_thread(struct rb_root *threads, struct thread **last_match); void thread__insert_map(struct thread *self, struct map *map); int thread__fork(struct thread *self, struct thread *parent); -struct map *thread__find_map(struct thread *self, u64 ip); size_t threads__fprintf(FILE *fp, struct rb_root *threads); +void maps__insert(struct rb_root *maps, struct map *map); +struct map *maps__find(struct rb_root *maps, u64 ip); + +static inline struct map *thread__find_map(struct thread *self, u64 ip) +{ + return self ? maps__find(&self->maps, ip) : NULL; +} + #endif /* __PERF_THREAD_H */ -- cgit v1.2.3 From a80deb622dba7dfb65d9e27b6b74b7c1963c3635 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 28 Sep 2009 15:23:51 -0300 Subject: perf sched: Remove dead code MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Several variables are not used at all, cut'n'paste leftovers. Also check if the sample_type is RAW earlier, to avoid needless searches. Signed-off-by: Arnaldo Carvalho de Melo Cc: Frédéric Weisbecker Cc: "H. Peter Anvin" Cc: Peter Zijlstra Cc: Mike Galbraith Signed-off-by: Ingo Molnar --- tools/perf/builtin-sched.c | 34 ++++------------------------------ 1 file changed, 4 insertions(+), 30 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index ea9c15c0cdf..4470f253570 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -1544,16 +1544,15 @@ process_raw_event(event_t *raw_event __used, void *more_data, static int process_sample_event(event_t *event, unsigned long offset, unsigned long head) { - char level; - int show = 0; - struct dso *dso = NULL; struct thread *thread; u64 ip = event->ip.ip; u64 timestamp = -1; u32 cpu = -1; u64 period = 1; void *more_data = event->ip.__more_data; - int cpumode; + + if (!(sample_type & PERF_SAMPLE_RAW)) + return 0; thread = threads__findnew(event->ip.pid, &threads, &last_match); @@ -1589,32 +1588,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) return -1; } - cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; - - if (cpumode == PERF_RECORD_MISC_KERNEL) { - show = SHOW_KERNEL; - level = 'k'; - - dso = kernel_dso; - - dump_printf(" ...... dso: %s\n", dso->name); - - } else if (cpumode == PERF_RECORD_MISC_USER) { - - show = SHOW_USER; - level = '.'; - - } else { - show = SHOW_HV; - level = 'H'; - - dso = hypervisor_dso; - - dump_printf(" ...... dso: [hypervisor]\n"); - } - - if (sample_type & PERF_SAMPLE_RAW) - process_raw_event(event, more_data, cpu, timestamp, thread); + process_raw_event(event, more_data, cpu, timestamp, thread); return 0; } -- cgit v1.2.3 From cad3071424edd7854f63aa80d09473e84f49ed79 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 28 Sep 2009 17:08:18 -0300 Subject: perf trace: Remove dead code MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Several variables are not used at all, cut'n'paste leftovers. Signed-off-by: Arnaldo Carvalho de Melo Cc: Frédéric Weisbecker Cc: Peter Zijlstra Cc: Mike Galbraith Cc: "H. Peter Anvin" LKML-Reference: <20090928200818.GF3361@ghostprotocols.net> Signed-off-by: Ingo Molnar --- tools/perf/builtin-trace.c | 28 ---------------------------- 1 file changed, 28 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index e9d256e2f47..2f938887335 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -53,16 +53,12 @@ process_comm_event(event_t *event, unsigned long offset, unsigned long head) static int process_sample_event(event_t *event, unsigned long offset, unsigned long head) { - char level; - int show = 0; - struct dso *dso = NULL; struct thread *thread; u64 ip = event->ip.ip; u64 timestamp = -1; u32 cpu = -1; u64 period = 1; void *more_data = event->ip.__more_data; - int cpumode; thread = threads__findnew(event->ip.pid, &threads, &last_match); @@ -98,30 +94,6 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) return -1; } - cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; - - if (cpumode == PERF_RECORD_MISC_KERNEL) { - show = SHOW_KERNEL; - level = 'k'; - - dso = kernel_dso; - - dump_printf(" ...... dso: %s\n", dso->name); - - } else if (cpumode == PERF_RECORD_MISC_USER) { - - show = SHOW_USER; - level = '.'; - - } else { - show = SHOW_HV; - level = 'H'; - - dso = hypervisor_dso; - - dump_printf(" ...... dso: [hypervisor]\n"); - } - if (sample_type & PERF_SAMPLE_RAW) { struct { u32 size; -- cgit v1.2.3 From 2ccdc450e658053681202d42ac64b3638f22dc1a Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 24 Sep 2009 14:24:00 -0700 Subject: perf top: Remove dead {min,max}_ip unused variables MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Arnaldo Carvalho de Melo Cc: Frédéric Weisbecker Cc: "H. Peter Anvin" Cc: Peter Zijlstra Cc: Mike Galbraith LKML-Reference: <20090924212400.GA15321@ghostprotocols.net> Signed-off-by: Ingo Molnar --- tools/perf/builtin-top.c | 13 ------------- 1 file changed, 13 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 1ca88896eee..bf464ce7e3e 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -96,9 +96,6 @@ static int display_weighted = -1; * Symbols */ -static u64 min_ip; -static u64 max_ip = -1ll; - struct sym_entry { struct rb_node rb_node; struct list_head node; @@ -826,8 +823,6 @@ static int symbol_filter(struct dso *self, struct symbol *sym) static int parse_symbols(void) { - struct rb_node *node; - struct symbol *sym; int use_modules = vmlinux_name ? 1 : 0; kernel_dso = dso__new("[kernel]", sizeof(struct sym_entry)); @@ -837,14 +832,6 @@ static int parse_symbols(void) if (dso__load_kernel(kernel_dso, vmlinux_name, symbol_filter, verbose, use_modules) <= 0) goto out_delete_dso; - node = rb_first(&kernel_dso->syms); - sym = rb_entry(node, struct symbol, rb_node); - min_ip = sym->start; - - node = rb_last(&kernel_dso->syms); - sym = rb_entry(node, struct symbol, rb_node); - max_ip = sym->end; - if (dump_symtab) dso__fprintf(kernel_dso, stderr); -- cgit v1.2.3 From 439d473b4777de510e1322168ac6f2f377ecd5bc Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Fri, 2 Oct 2009 03:29:58 -0300 Subject: perf tools: Rewrite and improve support for kernel modules MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Representing modules as struct map entries, backed by a DSO, etc, using /proc/modules to find where the module is loaded. DSOs now can have a short and long name, so that in verbose mode we can show exactly which .ko or vmlinux image was used. As kernel modules now are a DSO separate from the kernel, we can ask for just the hits for a particular set of kernel modules, just like we can do with shared libraries: [root@doppio linux-2.6-tip]# perf report -n --vmlinux /home/acme/git/build/tip-recvmmsg/vmlinux --modules --dsos \[drm\] | head -15 84.58% 13266 Xorg [k] drm_clflush_pages 4.02% 630 Xorg [k] trace_kmalloc.clone.0 3.95% 619 Xorg [k] drm_ioctl 2.07% 324 Xorg [k] drm_addbufs 1.68% 263 Xorg [k] drm_gem_close_ioctl 0.77% 120 Xorg [k] drm_setmaster_ioctl 0.70% 110 Xorg [k] drm_lastclose 0.68% 106 Xorg [k] drm_open 0.54% 85 Xorg [k] drm_mm_search_free [root@doppio linux-2.6-tip]# Specifying --dsos /lib/modules/2.6.31-tip/kernel/drivers/gpu/drm/drm.ko would have the same effect. Allowing specifying just 'drm.ko' is left for another patch. Processing kallsyms so that per kernel module struct map are instantiated was also left for another patch. That will allow removing the module name from each of its symbols. struct symbol was reduced by removing the ->module backpointer and moving it (well now the map) to struct symbol_entry in perf top, that is its only user right now. The total linecount went down by ~500 lines. Signed-off-by: Arnaldo Carvalho de Melo Cc: Frédéric Weisbecker Cc: "H. Peter Anvin" Cc: Peter Zijlstra Cc: Mike Galbraith Cc: Avi Kivity Signed-off-by: Ingo Molnar --- tools/perf/Makefile | 2 - tools/perf/builtin-annotate.c | 73 +++--- tools/perf/builtin-report.c | 79 +++--- tools/perf/builtin-top.c | 74 ++---- tools/perf/util/event.h | 6 +- tools/perf/util/module.c | 545 ------------------------------------------ tools/perf/util/module.h | 53 ---- tools/perf/util/sort.c | 38 +-- tools/perf/util/sort.h | 7 +- tools/perf/util/symbol.c | 447 +++++++++++++++++++++++----------- tools/perf/util/symbol.h | 20 +- tools/perf/util/thread.c | 34 +-- tools/perf/util/thread.h | 4 + 13 files changed, 453 insertions(+), 929 deletions(-) delete mode 100644 tools/perf/util/module.c delete mode 100644 tools/perf/util/module.h (limited to 'tools') diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 055290a5b83..8e7509f2d88 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -336,7 +336,6 @@ LIB_H += util/strlist.h LIB_H += util/run-command.h LIB_H += util/sigchain.h LIB_H += util/symbol.h -LIB_H += util/module.h LIB_H += util/color.h LIB_H += util/values.h LIB_H += util/sort.h @@ -364,7 +363,6 @@ LIB_OBJS += util/usage.o LIB_OBJS += util/wrapper.o LIB_OBJS += util/sigchain.o LIB_OBJS += util/symbol.o -LIB_OBJS += util/module.o LIB_OBJS += util/color.o LIB_OBJS += util/pager.o LIB_OBJS += util/header.o diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index df516dce954..7d5a3b1bcda 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -63,6 +63,7 @@ static void hist_hit(struct hist_entry *he, u64 ip) return; sym_size = sym->end - sym->start; + ip = he->map->map_ip(he->map, ip); offset = ip - sym->start; if (offset >= sym_size) @@ -80,7 +81,7 @@ static void hist_hit(struct hist_entry *he, u64 ip) } static int -hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, +hist_entry__add(struct thread *thread, struct map *map, struct symbol *sym, u64 ip, char level) { struct rb_node **p = &hist.rb_node; @@ -89,7 +90,6 @@ hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, struct hist_entry entry = { .thread = thread, .map = map, - .dso = dso, .sym = sym, .ip = ip, .level = level, @@ -130,10 +130,10 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) { char level; int show = 0; - struct dso *dso = NULL; struct thread *thread; u64 ip = event->ip.ip; struct map *map = NULL; + struct symbol *sym = NULL; thread = threads__findnew(event->ip.pid, &threads, &last_match); @@ -155,32 +155,35 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) if (event->header.misc & PERF_RECORD_MISC_KERNEL) { show = SHOW_KERNEL; level = 'k'; - - dso = kernel_dso; - - dump_printf(" ...... dso: %s\n", dso->name); - + sym = kernel_maps__find_symbol(ip, &map); + dump_printf(" ...... dso: %s\n", + map ? map->dso->long_name : ""); } else if (event->header.misc & PERF_RECORD_MISC_USER) { - show = SHOW_USER; level = '.'; - map = thread__find_map(thread, ip); if (map != NULL) { +got_map: ip = map->map_ip(map, ip); - dso = map->dso; + sym = map->dso->find_symbol(map->dso, ip); } else { /* * If this is outside of all known maps, * and is a negative address, try to look it * up in the kernel dso, as it might be a - * vsyscall (which executes in user-mode): + * vsyscall or vdso (which executes in user-mode). + * + * XXX This is nasty, we should have a symbol list in + * the "[vdso]" dso, but for now lets use the old + * trick of looking in the whole kernel symbol list. */ - if ((long long)ip < 0) - dso = kernel_dso; + if ((long long)ip < 0) { + map = kernel_map; + goto got_map; + } } - dump_printf(" ...... dso: %s\n", dso ? dso->name : ""); - + dump_printf(" ...... dso: %s\n", + map ? map->dso->long_name : ""); } else { show = SHOW_HV; level = 'H'; @@ -188,12 +191,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) } if (show & show_mask) { - struct symbol *sym = NULL; - - if (dso) - sym = dso->find_symbol(dso, ip); - - if (hist_entry__add(thread, map, dso, sym, ip, level)) { + if (hist_entry__add(thread, map, sym, ip, level)) { fprintf(stderr, "problem incrementing symbol count, skipping event\n"); return -1; @@ -313,7 +311,7 @@ process_event(event_t *event, unsigned long offset, unsigned long head) } static int -parse_line(FILE *file, struct symbol *sym, u64 start, u64 len) +parse_line(FILE *file, struct symbol *sym, u64 len) { char *line = NULL, *tmp, *tmp2; static const char *prev_line; @@ -363,7 +361,7 @@ parse_line(FILE *file, struct symbol *sym, u64 start, u64 len) const char *color; struct sym_ext *sym_ext = sym->priv; - offset = line_ip - start; + offset = line_ip - sym->start; if (offset < len) hits = sym->hist[offset]; @@ -442,7 +440,7 @@ static void free_source_line(struct symbol *sym, int len) /* Get the filename:line for the colored entries */ static void -get_source_line(struct symbol *sym, u64 start, int len, const char *filename) +get_source_line(struct symbol *sym, int len, const char *filename) { int i; char cmd[PATH_MAX * 2]; @@ -467,7 +465,7 @@ get_source_line(struct symbol *sym, u64 start, int len, const char *filename) if (sym_ext[i].percent <= 0.5) continue; - offset = start + i; + offset = sym->start + i; sprintf(cmd, "addr2line -e %s %016llx", filename, offset); fp = popen(cmd, "r"); if (!fp) @@ -519,31 +517,23 @@ static void print_summary(const char *filename) static void annotate_sym(struct dso *dso, struct symbol *sym) { - const char *filename = dso->name, *d_filename; - u64 start, end, len; + const char *filename = dso->long_name, *d_filename; + u64 len; char command[PATH_MAX*2]; FILE *file; if (!filename) return; - if (sym->module) - filename = sym->module->path; - else if (dso == kernel_dso) - filename = vmlinux_name; - - start = sym->obj_start; - if (!start) - start = sym->start; + if (full_paths) d_filename = filename; else d_filename = basename(filename); - end = start + sym->end - sym->start + 1; len = sym->end - sym->start; if (print_line) { - get_source_line(sym, start, len, filename); + get_source_line(sym, len, filename); print_summary(filename); } @@ -552,10 +542,11 @@ static void annotate_sym(struct dso *dso, struct symbol *sym) printf("------------------------------------------------\n"); if (verbose >= 2) - printf("annotating [%p] %30s : [%p] %30s\n", dso, dso->name, sym, sym->name); + printf("annotating [%p] %30s : [%p] %30s\n", + dso, dso->long_name, sym, sym->name); sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s", - (u64)start, (u64)end, filename, filename); + sym->start, sym->end, filename, filename); if (verbose >= 3) printf("doing: %s\n", command); @@ -565,7 +556,7 @@ static void annotate_sym(struct dso *dso, struct symbol *sym) return; while (!feof(file)) { - if (parse_line(file, sym, start, len) < 0) + if (parse_line(file, sym, len) < 0) break; } diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index c1a54fc8527..3ed3baf96ff 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -349,22 +349,17 @@ static int thread__set_comm_adjust(struct thread *self, const char *comm) static struct symbol * -resolve_symbol(struct thread *thread, struct map **mapp, - struct dso **dsop, u64 *ipp) +resolve_symbol(struct thread *thread, struct map **mapp, u64 *ipp) { - struct dso *dso = dsop ? *dsop : NULL; struct map *map = mapp ? *mapp : NULL; u64 ip = *ipp; - if (!thread) - return NULL; - - if (dso) - goto got_dso; - if (map) goto got_map; + if (!thread) + return NULL; + map = thread__find_map(thread, ip); if (map != NULL) { /* @@ -379,29 +374,29 @@ resolve_symbol(struct thread *thread, struct map **mapp, *mapp = map; got_map: ip = map->map_ip(map, ip); - - dso = map->dso; } else { /* * If this is outside of all known maps, * and is a negative address, try to look it * up in the kernel dso, as it might be a - * vsyscall (which executes in user-mode): + * vsyscall or vdso (which executes in user-mode). + * + * XXX This is nasty, we should have a symbol list in + * the "[vdso]" dso, but for now lets use the old + * trick of looking in the whole kernel symbol list. */ - if ((long long)ip < 0) - dso = kernel_dso; + if ((long long)ip < 0) { + map = kernel_map; + if (mapp) + *mapp = map; + } } - dump_printf(" ...... dso: %s\n", dso ? dso->name : ""); + dump_printf(" ...... dso: %s\n", + map ? map->dso->long_name : ""); dump_printf(" ...... map: %Lx -> %Lx\n", *ipp, ip); *ipp = ip; - if (dsop) - *dsop = dso; - - if (!dso) - return NULL; -got_dso: - return dso->find_symbol(dso, ip); + return map ? map->dso->find_symbol(map->dso, ip) : NULL; } static int call__match(struct symbol *sym) @@ -413,7 +408,7 @@ static int call__match(struct symbol *sym) } static struct symbol ** -resolve_callchain(struct thread *thread, struct map *map __used, +resolve_callchain(struct thread *thread, struct map *map, struct ip_callchain *chain, struct hist_entry *entry) { u64 context = PERF_CONTEXT_MAX; @@ -430,8 +425,7 @@ resolve_callchain(struct thread *thread, struct map *map __used, for (i = 0; i < chain->nr; i++) { u64 ip = chain->ips[i]; - struct dso *dso = NULL; - struct symbol *sym; + struct symbol *sym = NULL; if (ip >= PERF_CONTEXT_MAX) { context = ip; @@ -440,17 +434,15 @@ resolve_callchain(struct thread *thread, struct map *map __used, switch (context) { case PERF_CONTEXT_HV: - dso = hypervisor_dso; break; case PERF_CONTEXT_KERNEL: - dso = kernel_dso; + sym = kernel_maps__find_symbol(ip, &map); break; default: + sym = resolve_symbol(thread, &map, &ip); break; } - sym = resolve_symbol(thread, NULL, &dso, &ip); - if (sym) { if (sort__has_parent && call__match(sym) && !entry->parent) @@ -469,7 +461,7 @@ resolve_callchain(struct thread *thread, struct map *map __used, */ static int -hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, +hist_entry__add(struct thread *thread, struct map *map, struct symbol *sym, u64 ip, struct ip_callchain *chain, char level, u64 count) { @@ -480,7 +472,6 @@ hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, struct hist_entry entry = { .thread = thread, .map = map, - .dso = dso, .sym = sym, .ip = ip, .level = level, @@ -641,7 +632,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) { char level; int show = 0; - struct dso *dso = NULL; + struct symbol *sym = NULL; struct thread *thread; u64 ip = event->ip.ip; u64 period = 1; @@ -700,35 +691,35 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) show = SHOW_KERNEL; level = 'k'; - dso = kernel_dso; - - dump_printf(" ...... dso: %s\n", dso->name); - + sym = kernel_maps__find_symbol(ip, &map); + dump_printf(" ...... dso: %s\n", + map ? map->dso->long_name : ""); } else if (cpumode == PERF_RECORD_MISC_USER) { show = SHOW_USER; level = '.'; + sym = resolve_symbol(thread, &map, &ip); } else { show = SHOW_HV; level = 'H'; - dso = hypervisor_dso; - dump_printf(" ...... dso: [hypervisor]\n"); } if (show & show_mask) { - struct symbol *sym = resolve_symbol(thread, &map, &dso, &ip); - - if (dso_list && (!dso || !dso->name || - !strlist__has_entry(dso_list, dso->name))) + if (dso_list && + (!map || !map->dso || + !(strlist__has_entry(dso_list, map->dso->short_name) || + (map->dso->short_name != map->dso->long_name && + strlist__has_entry(dso_list, map->dso->long_name))))) return 0; - if (sym_list && (!sym || !strlist__has_entry(sym_list, sym->name))) + if (sym_list && sym && !strlist__has_entry(sym_list, sym->name)) return 0; - if (hist_entry__add(thread, map, dso, sym, ip, chain, level, period)) { + if (hist_entry__add(thread, map, sym, ip, + chain, level, period)) { eprintf("problem incrementing symbol count, skipping event\n"); return -1; } diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index bf464ce7e3e..befef842757 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -22,6 +22,7 @@ #include "util/symbol.h" #include "util/color.h" +#include "util/thread.h" #include "util/util.h" #include #include "util/parse-options.h" @@ -103,6 +104,7 @@ struct sym_entry { unsigned long snap_count; double weight; int skip; + struct map *map; struct source_line *source; struct source_line *lines; struct source_line **lines_tail; @@ -116,12 +118,11 @@ struct sym_entry { static void parse_source(struct sym_entry *syme) { struct symbol *sym; - struct module *module; - struct section *section = NULL; + struct map *map; FILE *file; char command[PATH_MAX*2]; - const char *path = vmlinux_name; - u64 start, end, len; + const char *path; + u64 len; if (!syme) return; @@ -132,27 +133,15 @@ static void parse_source(struct sym_entry *syme) } sym = (struct symbol *)(syme + 1); - module = sym->module; + map = syme->map; + path = map->dso->long_name; - if (module) - path = module->path; - if (!path) - return; - - start = sym->obj_start; - if (!start) - start = sym->start; - - if (module) { - section = module->sections->find_section(module->sections, ".text"); - if (section) - start -= section->vma; - } - - end = start + sym->end - sym->start + 1; len = sym->end - sym->start; - sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s", start, end, path); + sprintf(command, + "objdump --start-address=0x%016Lx " + "--stop-address=0x%016Lx -dS %s", + sym->start, sym->end, path); file = popen(command, "r"); if (!file) @@ -184,13 +173,11 @@ static void parse_source(struct sym_entry *syme) if (strlen(src->line)>8 && src->line[8] == ':') { src->eip = strtoull(src->line, NULL, 16); - if (section) - src->eip += section->vma; + src->eip += map->start; } if (strlen(src->line)>8 && src->line[16] == ':') { src->eip = strtoull(src->line, NULL, 16); - if (section) - src->eip += section->vma; + src->eip += map->start; } } pclose(file); @@ -242,16 +229,9 @@ static void lookup_sym_source(struct sym_entry *syme) struct symbol *symbol = (struct symbol *)(syme + 1); struct source_line *line; char pattern[PATH_MAX]; - char *idx; sprintf(pattern, "<%s>:", symbol->name); - if (symbol->module) { - idx = strstr(pattern, "\t"); - if (idx) - *idx = 0; - } - pthread_mutex_lock(&syme->source_lock); for (line = syme->lines; line; line = line->next) { if (strstr(line->line, pattern)) { @@ -513,8 +493,8 @@ static void print_sym_table(void) if (verbose) printf(" - %016llx", sym->start); printf(" : %s", sym->name); - if (sym->module) - printf("\t[%s]", sym->module->name); + if (syme->map->dso->name[0] == '[') + printf(" \t%s", syme->map->dso->name); printf("\n"); } } @@ -784,7 +764,7 @@ static const char *skip_symbols[] = { NULL }; -static int symbol_filter(struct dso *self, struct symbol *sym) +static int symbol_filter(struct map *map, struct symbol *sym) { struct sym_entry *syme; const char *name = sym->name; @@ -806,7 +786,8 @@ static int symbol_filter(struct dso *self, struct symbol *sym) strstr(name, "_text_end")) return 1; - syme = dso__sym_priv(self, sym); + syme = dso__sym_priv(map->dso, sym); + syme->map = map; pthread_mutex_init(&syme->source_lock, NULL); if (!sym_filter_entry && sym_filter && !strcmp(name, sym_filter)) sym_filter_entry = syme; @@ -825,22 +806,14 @@ static int parse_symbols(void) { int use_modules = vmlinux_name ? 1 : 0; - kernel_dso = dso__new("[kernel]", sizeof(struct sym_entry)); - if (kernel_dso == NULL) + if (dsos__load_kernel(vmlinux_name, sizeof(struct sym_entry), + symbol_filter, verbose, use_modules) <= 0) return -1; - if (dso__load_kernel(kernel_dso, vmlinux_name, symbol_filter, verbose, use_modules) <= 0) - goto out_delete_dso; - if (dump_symtab) - dso__fprintf(kernel_dso, stderr); + dsos__fprintf(stderr); return 0; - -out_delete_dso: - dso__delete(kernel_dso); - kernel_dso = NULL; - return -1; } /* @@ -848,10 +821,11 @@ out_delete_dso: */ static void record_ip(u64 ip, int counter) { - struct symbol *sym = dso__find_symbol(kernel_dso, ip); + struct map *map; + struct symbol *sym = kernel_maps__find_symbol(ip, &map); if (sym != NULL) { - struct sym_entry *syme = dso__sym_priv(kernel_dso, sym); + struct sym_entry *syme = dso__sym_priv(map->dso, sym); if (!syme->skip) { syme->count[counter]++; diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 4c69eb55380..a39520e6ae8 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -3,6 +3,7 @@ #include "../perf.h" #include "util.h" +#include #include enum { @@ -79,7 +80,10 @@ typedef union event_union { } event_t; struct map { - struct rb_node rb_node; + union { + struct rb_node rb_node; + struct list_head node; + }; u64 start; u64 end; u64 pgoff; diff --git a/tools/perf/util/module.c b/tools/perf/util/module.c deleted file mode 100644 index 0d8c85defcd..00000000000 --- a/tools/perf/util/module.c +++ /dev/null @@ -1,545 +0,0 @@ -#include "util.h" -#include "../perf.h" -#include "string.h" -#include "module.h" - -#include -#include -#include -#include -#include -#include - -static unsigned int crc32(const char *p, unsigned int len) -{ - int i; - unsigned int crc = 0; - - while (len--) { - crc ^= *p++; - for (i = 0; i < 8; i++) - crc = (crc >> 1) ^ ((crc & 1) ? 0xedb88320 : 0); - } - return crc; -} - -/* module section methods */ - -struct sec_dso *sec_dso__new_dso(const char *name) -{ - struct sec_dso *self = malloc(sizeof(*self) + strlen(name) + 1); - - if (self != NULL) { - strcpy(self->name, name); - self->secs = RB_ROOT; - self->find_section = sec_dso__find_section; - } - - return self; -} - -static void sec_dso__delete_section(struct section *self) -{ - free(((void *)self)); -} - -void sec_dso__delete_sections(struct sec_dso *self) -{ - struct section *pos; - struct rb_node *next = rb_first(&self->secs); - - while (next) { - pos = rb_entry(next, struct section, rb_node); - next = rb_next(&pos->rb_node); - rb_erase(&pos->rb_node, &self->secs); - sec_dso__delete_section(pos); - } -} - -void sec_dso__delete_self(struct sec_dso *self) -{ - sec_dso__delete_sections(self); - free(self); -} - -static void sec_dso__insert_section(struct sec_dso *self, struct section *sec) -{ - struct rb_node **p = &self->secs.rb_node; - struct rb_node *parent = NULL; - const u64 hash = sec->hash; - struct section *s; - - while (*p != NULL) { - parent = *p; - s = rb_entry(parent, struct section, rb_node); - if (hash < s->hash) - p = &(*p)->rb_left; - else - p = &(*p)->rb_right; - } - rb_link_node(&sec->rb_node, parent, p); - rb_insert_color(&sec->rb_node, &self->secs); -} - -struct section *sec_dso__find_section(struct sec_dso *self, const char *name) -{ - struct rb_node *n; - u64 hash; - int len; - - if (self == NULL) - return NULL; - - len = strlen(name); - hash = crc32(name, len); - - n = self->secs.rb_node; - - while (n) { - struct section *s = rb_entry(n, struct section, rb_node); - - if (hash < s->hash) - n = n->rb_left; - else if (hash > s->hash) - n = n->rb_right; - else { - if (!strcmp(name, s->name)) - return s; - else - n = rb_next(&s->rb_node); - } - } - - return NULL; -} - -static size_t sec_dso__fprintf_section(struct section *self, FILE *fp) -{ - return fprintf(fp, "name:%s vma:%llx path:%s\n", - self->name, self->vma, self->path); -} - -size_t sec_dso__fprintf(struct sec_dso *self, FILE *fp) -{ - size_t ret = fprintf(fp, "dso: %s\n", self->name); - - struct rb_node *nd; - for (nd = rb_first(&self->secs); nd; nd = rb_next(nd)) { - struct section *pos = rb_entry(nd, struct section, rb_node); - ret += sec_dso__fprintf_section(pos, fp); - } - - return ret; -} - -static struct section *section__new(const char *name, const char *path) -{ - struct section *self = calloc(1, sizeof(*self)); - - if (!self) - goto out_failure; - - self->name = calloc(1, strlen(name) + 1); - if (!self->name) - goto out_failure; - - self->path = calloc(1, strlen(path) + 1); - if (!self->path) - goto out_failure; - - strcpy(self->name, name); - strcpy(self->path, path); - self->hash = crc32(self->name, strlen(name)); - - return self; - -out_failure: - if (self) { - if (self->name) - free(self->name); - if (self->path) - free(self->path); - free(self); - } - - return NULL; -} - -/* module methods */ - -struct mod_dso *mod_dso__new_dso(const char *name) -{ - struct mod_dso *self = malloc(sizeof(*self) + strlen(name) + 1); - - if (self != NULL) { - strcpy(self->name, name); - self->mods = RB_ROOT; - self->find_module = mod_dso__find_module; - } - - return self; -} - -static void mod_dso__delete_module(struct module *self) -{ - free(((void *)self)); -} - -void mod_dso__delete_modules(struct mod_dso *self) -{ - struct module *pos; - struct rb_node *next = rb_first(&self->mods); - - while (next) { - pos = rb_entry(next, struct module, rb_node); - next = rb_next(&pos->rb_node); - rb_erase(&pos->rb_node, &self->mods); - mod_dso__delete_module(pos); - } -} - -void mod_dso__delete_self(struct mod_dso *self) -{ - mod_dso__delete_modules(self); - free(self); -} - -static void mod_dso__insert_module(struct mod_dso *self, struct module *mod) -{ - struct rb_node **p = &self->mods.rb_node; - struct rb_node *parent = NULL; - const u64 hash = mod->hash; - struct module *m; - - while (*p != NULL) { - parent = *p; - m = rb_entry(parent, struct module, rb_node); - if (hash < m->hash) - p = &(*p)->rb_left; - else - p = &(*p)->rb_right; - } - rb_link_node(&mod->rb_node, parent, p); - rb_insert_color(&mod->rb_node, &self->mods); -} - -struct module *mod_dso__find_module(struct mod_dso *self, const char *name) -{ - struct rb_node *n; - u64 hash; - int len; - - if (self == NULL) - return NULL; - - len = strlen(name); - hash = crc32(name, len); - - n = self->mods.rb_node; - - while (n) { - struct module *m = rb_entry(n, struct module, rb_node); - - if (hash < m->hash) - n = n->rb_left; - else if (hash > m->hash) - n = n->rb_right; - else { - if (!strcmp(name, m->name)) - return m; - else - n = rb_next(&m->rb_node); - } - } - - return NULL; -} - -static size_t mod_dso__fprintf_module(struct module *self, FILE *fp) -{ - return fprintf(fp, "name:%s path:%s\n", self->name, self->path); -} - -size_t mod_dso__fprintf(struct mod_dso *self, FILE *fp) -{ - struct rb_node *nd; - size_t ret; - - ret = fprintf(fp, "dso: %s\n", self->name); - - for (nd = rb_first(&self->mods); nd; nd = rb_next(nd)) { - struct module *pos = rb_entry(nd, struct module, rb_node); - - ret += mod_dso__fprintf_module(pos, fp); - } - - return ret; -} - -static struct module *module__new(const char *name, const char *path) -{ - struct module *self = calloc(1, sizeof(*self)); - - if (!self) - goto out_failure; - - self->name = calloc(1, strlen(name) + 1); - if (!self->name) - goto out_failure; - - self->path = calloc(1, strlen(path) + 1); - if (!self->path) - goto out_failure; - - strcpy(self->name, name); - strcpy(self->path, path); - self->hash = crc32(self->name, strlen(name)); - - return self; - -out_failure: - if (self) { - if (self->name) - free(self->name); - if (self->path) - free(self->path); - free(self); - } - - return NULL; -} - -static int mod_dso__load_sections(struct module *mod) -{ - int count = 0, path_len; - struct dirent *entry; - char *line = NULL; - char *dir_path; - DIR *dir; - size_t n; - - path_len = strlen("/sys/module/"); - path_len += strlen(mod->name); - path_len += strlen("/sections/"); - - dir_path = calloc(1, path_len + 1); - if (dir_path == NULL) - goto out_failure; - - strcat(dir_path, "/sys/module/"); - strcat(dir_path, mod->name); - strcat(dir_path, "/sections/"); - - dir = opendir(dir_path); - if (dir == NULL) - goto out_free; - - while ((entry = readdir(dir))) { - struct section *section; - char *path, *vma; - int line_len; - FILE *file; - - if (!strcmp(".", entry->d_name) || !strcmp("..", entry->d_name)) - continue; - - path = calloc(1, path_len + strlen(entry->d_name) + 1); - if (path == NULL) - break; - strcat(path, dir_path); - strcat(path, entry->d_name); - - file = fopen(path, "r"); - if (file == NULL) { - free(path); - break; - } - - line_len = getline(&line, &n, file); - if (line_len < 0) { - free(path); - fclose(file); - break; - } - - if (!line) { - free(path); - fclose(file); - break; - } - - line[--line_len] = '\0'; /* \n */ - - vma = strstr(line, "0x"); - if (!vma) { - free(path); - fclose(file); - break; - } - vma += 2; - - section = section__new(entry->d_name, path); - if (!section) { - fprintf(stderr, "load_sections: allocation error\n"); - free(path); - fclose(file); - break; - } - - hex2u64(vma, §ion->vma); - sec_dso__insert_section(mod->sections, section); - - free(path); - fclose(file); - count++; - } - - closedir(dir); - free(line); - free(dir_path); - - return count; - -out_free: - free(dir_path); - -out_failure: - return count; -} - -static int mod_dso__load_module_paths(struct mod_dso *self) -{ - struct utsname uts; - int count = 0, len, err = -1; - char *line = NULL; - FILE *file; - char *dpath, *dir; - size_t n; - - if (uname(&uts) < 0) - return err; - - len = strlen("/lib/modules/"); - len += strlen(uts.release); - len += strlen("/modules.dep"); - - dpath = calloc(1, len + 1); - if (dpath == NULL) - return err; - - strcat(dpath, "/lib/modules/"); - strcat(dpath, uts.release); - strcat(dpath, "/modules.dep"); - - file = fopen(dpath, "r"); - if (file == NULL) - goto out_failure; - - dir = dirname(dpath); - if (!dir) - goto out_failure; - strcat(dir, "/"); - - while (!feof(file)) { - struct module *module; - char *name, *path, *tmp; - FILE *modfile; - int line_len; - - line_len = getline(&line, &n, file); - if (line_len < 0) - break; - - if (!line) - break; - - line[--line_len] = '\0'; /* \n */ - - path = strchr(line, ':'); - if (!path) - break; - *path = '\0'; - - path = strdup(line); - if (!path) - break; - - if (!strstr(path, dir)) { - if (strncmp(path, "kernel/", 7)) - break; - - free(path); - path = calloc(1, strlen(dir) + strlen(line) + 1); - if (!path) - break; - strcat(path, dir); - strcat(path, line); - } - - modfile = fopen(path, "r"); - if (modfile == NULL) - break; - fclose(modfile); - - name = strdup(path); - if (!name) - break; - - name = strtok(name, "/"); - tmp = name; - - while (tmp) { - tmp = strtok(NULL, "/"); - if (tmp) - name = tmp; - } - - name = strsep(&name, "."); - if (!name) - break; - - /* Quirk: replace '-' with '_' in all modules */ - for (len = strlen(name); len; len--) { - if (*(name+len) == '-') - *(name+len) = '_'; - } - - module = module__new(name, path); - if (!module) - break; - mod_dso__insert_module(self, module); - - module->sections = sec_dso__new_dso("sections"); - if (!module->sections) - break; - - module->active = mod_dso__load_sections(module); - - if (module->active > 0) - count++; - } - - if (feof(file)) - err = count; - else - fprintf(stderr, "load_module_paths: modules.dep parsing failure!\n"); - -out_failure: - if (dpath) - free(dpath); - if (file) - fclose(file); - if (line) - free(line); - - return err; -} - -int mod_dso__load_modules(struct mod_dso *dso) -{ - int err; - - err = mod_dso__load_module_paths(dso); - - return err; -} diff --git a/tools/perf/util/module.h b/tools/perf/util/module.h deleted file mode 100644 index 098e0412bc2..00000000000 --- a/tools/perf/util/module.h +++ /dev/null @@ -1,53 +0,0 @@ -#ifndef __PERF_MODULE_ -#define __PERF_MODULE_ 1 - -#include -#include "../types.h" -#include -#include - -struct section { - struct rb_node rb_node; - u64 hash; - u64 vma; - char *name; - char *path; -}; - -struct sec_dso { - struct list_head node; - struct rb_root secs; - struct section *(*find_section)(struct sec_dso *, const char *name); - char name[0]; -}; - -struct module { - struct rb_node rb_node; - u64 hash; - char *name; - char *path; - struct sec_dso *sections; - int active; -}; - -struct mod_dso { - struct list_head node; - struct rb_root mods; - struct module *(*find_module)(struct mod_dso *, const char *name); - char name[0]; -}; - -struct sec_dso *sec_dso__new_dso(const char *name); -void sec_dso__delete_sections(struct sec_dso *self); -void sec_dso__delete_self(struct sec_dso *self); -size_t sec_dso__fprintf(struct sec_dso *self, FILE *fp); -struct section *sec_dso__find_section(struct sec_dso *self, const char *name); - -struct mod_dso *mod_dso__new_dso(const char *name); -void mod_dso__delete_modules(struct mod_dso *self); -void mod_dso__delete_self(struct mod_dso *self); -size_t mod_dso__fprintf(struct mod_dso *self, FILE *fp); -struct module *mod_dso__find_module(struct mod_dso *self, const char *name); -int mod_dso__load_modules(struct mod_dso *dso); - -#endif /* __PERF_MODULE_ */ diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index 50e75abb1fd..40c9acd41ca 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -129,20 +129,32 @@ sort__comm_print(FILE *fp, struct hist_entry *self, unsigned int width) int64_t sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) { - struct dso *dso_l = left->dso; - struct dso *dso_r = right->dso; + struct dso *dso_l = left->map ? left->map->dso : NULL; + struct dso *dso_r = right->map ? right->map->dso : NULL; + const char *dso_name_l, *dso_name_r; if (!dso_l || !dso_r) return cmp_null(dso_l, dso_r); - return strcmp(dso_l->name, dso_r->name); + if (verbose) { + dso_name_l = dso_l->long_name; + dso_name_r = dso_r->long_name; + } else { + dso_name_l = dso_l->short_name; + dso_name_r = dso_r->short_name; + } + + return strcmp(dso_name_l, dso_name_r); } size_t sort__dso_print(FILE *fp, struct hist_entry *self, unsigned int width) { - if (self->dso) - return repsep_fprintf(fp, "%-*s", width, self->dso->name); + if (self->map && self->map->dso) { + const char *dso_name = !verbose ? self->map->dso->short_name : + self->map->dso->long_name; + return repsep_fprintf(fp, "%-*s", width, dso_name); + } return repsep_fprintf(fp, "%*llx", width, (u64)self->ip); } @@ -169,20 +181,16 @@ sort__sym_print(FILE *fp, struct hist_entry *self, unsigned int width __used) { size_t ret = 0; - if (verbose) - ret += repsep_fprintf(fp, "%#018llx %c ", (u64)self->ip, - dso__symtab_origin(self->dso)); + if (verbose) { + char o = self->map ? dso__symtab_origin(self->map->dso) : '!'; + ret += repsep_fprintf(fp, "%#018llx %c ", (u64)self->ip, o); + } ret += repsep_fprintf(fp, "[%c] ", self->level); - if (self->sym) { + if (self->sym) ret += repsep_fprintf(fp, "%s", self->sym->name); - - if (self->sym->module) - ret += repsep_fprintf(fp, "\t[%s]", - self->sym->module->name); - } else { + else ret += repsep_fprintf(fp, "%#016llx", (u64)self->ip); - } return ret; } diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index 4684fd6d5c4..13806d782af 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -42,18 +42,15 @@ extern unsigned int threads__col_width; struct hist_entry { struct rb_node rb_node; - + u64 count; struct thread *thread; struct map *map; - struct dso *dso; struct symbol *sym; - struct symbol *parent; u64 ip; char level; + struct symbol *parent; struct callchain_node callchain; struct rb_root sorted_chain; - - u64 count; }; /* diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 559fb06210f..e8829689947 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -2,12 +2,14 @@ #include "../perf.h" #include "string.h" #include "symbol.h" +#include "thread.h" #include "debug.h" #include #include #include +#include const char *sym_hist_filter; @@ -18,12 +20,15 @@ enum dso_origin { DSO__ORIG_UBUNTU, DSO__ORIG_BUILDID, DSO__ORIG_DSO, + DSO__ORIG_KMODULE, DSO__ORIG_NOT_FOUND, }; -static struct symbol *symbol__new(u64 start, u64 len, - const char *name, unsigned int priv_size, - u64 obj_start, int v) +static void dsos__add(struct dso *dso); +static struct dso *dsos__find(const char *name); + +static struct symbol *symbol__new(u64 start, u64 len, const char *name, + unsigned int priv_size, int v) { size_t namelen = strlen(name) + 1; struct symbol *self = calloc(1, priv_size + sizeof(*self) + namelen); @@ -32,10 +37,9 @@ static struct symbol *symbol__new(u64 start, u64 len, return NULL; if (v >= 2) - printf("new symbol: %016Lx [%08lx]: %s, hist: %p, obj_start: %p\n", - (u64)start, (unsigned long)len, name, self->hist, (void *)(unsigned long)obj_start); + printf("new symbol: %016Lx [%08lx]: %s, hist: %p\n", + start, (unsigned long)len, name, self->hist); - self->obj_start= obj_start; self->hist = NULL; self->hist_sum = 0; @@ -60,12 +64,8 @@ static void symbol__delete(struct symbol *self, unsigned int priv_size) static size_t symbol__fprintf(struct symbol *self, FILE *fp) { - if (!self->module) - return fprintf(fp, " %llx-%llx %s\n", + return fprintf(fp, " %llx-%llx %s\n", self->start, self->end, self->name); - else - return fprintf(fp, " %llx-%llx %s \t[%s]\n", - self->start, self->end, self->name, self->module->name); } struct dso *dso__new(const char *name, unsigned int sym_priv_size) @@ -74,6 +74,8 @@ struct dso *dso__new(const char *name, unsigned int sym_priv_size) if (self != NULL) { strcpy(self->name, name); + self->long_name = self->name; + self->short_name = self->name; self->syms = RB_ROOT; self->sym_priv_size = sym_priv_size; self->find_symbol = dso__find_symbol; @@ -100,6 +102,8 @@ static void dso__delete_symbols(struct dso *self) void dso__delete(struct dso *self) { dso__delete_symbols(self); + if (self->long_name != self->name) + free(self->long_name); free(self); } @@ -147,7 +151,7 @@ struct symbol *dso__find_symbol(struct dso *self, u64 ip) size_t dso__fprintf(struct dso *self, FILE *fp) { - size_t ret = fprintf(fp, "dso: %s\n", self->name); + size_t ret = fprintf(fp, "dso: %s\n", self->long_name); struct rb_node *nd; for (nd = rb_first(&self->syms); nd; nd = rb_next(nd)) { @@ -158,7 +162,8 @@ size_t dso__fprintf(struct dso *self, FILE *fp) return ret; } -static int dso__load_kallsyms(struct dso *self, symbol_filter_t filter, int v) +static int dso__load_kallsyms(struct dso *self, struct map *map, + symbol_filter_t filter, int v) { struct rb_node *nd, *prevnd; char *line = NULL; @@ -200,12 +205,12 @@ static int dso__load_kallsyms(struct dso *self, symbol_filter_t filter, int v) * Well fix up the end later, when we have all sorted. */ sym = symbol__new(start, 0xdead, line + len + 2, - self->sym_priv_size, 0, v); + self->sym_priv_size, v); if (sym == NULL) goto out_delete_line; - if (filter && filter(self, sym)) + if (filter && filter(map, sym)) symbol__delete(sym, self->sym_priv_size); else { dso__insert_symbol(self, sym); @@ -241,14 +246,15 @@ out_failure: return -1; } -static int dso__load_perf_map(struct dso *self, symbol_filter_t filter, int v) +static int dso__load_perf_map(struct dso *self, struct map *map, + symbol_filter_t filter, int v) { char *line = NULL; size_t n; FILE *file; int nr_syms = 0; - file = fopen(self->name, "r"); + file = fopen(self->long_name, "r"); if (file == NULL) goto out_failure; @@ -279,12 +285,12 @@ static int dso__load_perf_map(struct dso *self, symbol_filter_t filter, int v) continue; sym = symbol__new(start, size, line + len, - self->sym_priv_size, start, v); + self->sym_priv_size, v); if (sym == NULL) goto out_delete_line; - if (filter && filter(self, sym)) + if (filter && filter(map, sym)) symbol__delete(sym, self->sym_priv_size); else { dso__insert_symbol(self, sym); @@ -410,7 +416,7 @@ static int dso__synthesize_plt_symbols(struct dso *self, int v) Elf *elf; int nr = 0, symidx, fd, err = 0; - fd = open(self->name, O_RDONLY); + fd = open(self->long_name, O_RDONLY); if (fd < 0) goto out; @@ -478,7 +484,7 @@ static int dso__synthesize_plt_symbols(struct dso *self, int v) "%s@plt", elf_sym__name(&sym, symstrs)); f = symbol__new(plt_offset, shdr_plt.sh_entsize, - sympltname, self->sym_priv_size, 0, v); + sympltname, self->sym_priv_size, v); if (!f) goto out_elf_end; @@ -496,7 +502,7 @@ static int dso__synthesize_plt_symbols(struct dso *self, int v) "%s@plt", elf_sym__name(&sym, symstrs)); f = symbol__new(plt_offset, shdr_plt.sh_entsize, - sympltname, self->sym_priv_size, 0, v); + sympltname, self->sym_priv_size, v); if (!f) goto out_elf_end; @@ -515,12 +521,13 @@ out_close: return nr; out: fprintf(stderr, "%s: problems reading %s PLT info.\n", - __func__, self->name); + __func__, self->long_name); return 0; } -static int dso__load_sym(struct dso *self, int fd, const char *name, - symbol_filter_t filter, int v, struct module *mod) +static int dso__load_sym(struct dso *self, struct map *map, const char *name, + int fd, symbol_filter_t filter, int kernel, + int kmodule, int v) { Elf_Data *symstrs, *secstrs; uint32_t nr_syms; @@ -532,7 +539,7 @@ static int dso__load_sym(struct dso *self, int fd, const char *name, GElf_Sym sym; Elf_Scn *sec, *sec_strndx; Elf *elf; - int nr = 0, kernel = !strcmp("[kernel]", self->name); + int nr = 0; elf = elf_begin(fd, ELF_C_READ_MMAP, NULL); if (elf == NULL) { @@ -589,8 +596,6 @@ static int dso__load_sym(struct dso *self, int fd, const char *name, struct symbol *f; const char *elf_name; char *demangled; - u64 obj_start; - struct section *section = NULL; int is_label = elf_sym__is_label(&sym); const char *section_name; @@ -607,7 +612,6 @@ static int dso__load_sym(struct dso *self, int fd, const char *name, continue; section_name = elf_sec__name(&shdr, secstrs); - obj_start = sym.st_value; if (self->adjust_symbols) { if (v >= 2) @@ -615,18 +619,8 @@ static int dso__load_sym(struct dso *self, int fd, const char *name, (u64)sym.st_value, (u64)shdr.sh_addr, (u64)shdr.sh_offset); sym.st_value -= shdr.sh_addr - shdr.sh_offset; - } - - if (mod) { - section = mod->sections->find_section(mod->sections, section_name); - if (section) - sym.st_value += section->vma; - else { - fprintf(stderr, "dso__load_sym() module %s lookup of %s failed\n", - mod->name, section_name); - goto out_elf_end; - } - } + } else if (kmodule) + sym.st_value += shdr.sh_offset; /* * We need to figure out if the object was created from C++ sources * DWARF DW_compile_unit has this, but we don't always have access @@ -638,15 +632,14 @@ static int dso__load_sym(struct dso *self, int fd, const char *name, elf_name = demangled; f = symbol__new(sym.st_value, sym.st_size, elf_name, - self->sym_priv_size, obj_start, v); + self->sym_priv_size, v); free(demangled); if (!f) goto out_elf_end; - if (filter && filter(self, f)) + if (filter && filter(map, f)) symbol__delete(f, self->sym_priv_size); else { - f->module = mod; dso__insert_symbol(self, f); nr++; } @@ -671,7 +664,7 @@ static char *dso__read_build_id(struct dso *self, int v) char *build_id = NULL, *bid; unsigned char *raw; Elf *elf; - int fd = open(self->name, O_RDONLY); + int fd = open(self->long_name, O_RDONLY); if (fd < 0) goto out; @@ -680,7 +673,7 @@ static char *dso__read_build_id(struct dso *self, int v) if (elf == NULL) { if (v) fprintf(stderr, "%s: cannot read %s ELF file.\n", - __func__, self->name); + __func__, self->long_name); goto out_close; } @@ -709,7 +702,7 @@ static char *dso__read_build_id(struct dso *self, int v) bid += 2; } if (v >= 2) - printf("%s(%s): %s\n", __func__, self->name, build_id); + printf("%s(%s): %s\n", __func__, self->long_name, build_id); out_elf_end: elf_end(elf); out_close: @@ -727,6 +720,7 @@ char dso__symtab_origin(const struct dso *self) [DSO__ORIG_UBUNTU] = 'u', [DSO__ORIG_BUILDID] = 'b', [DSO__ORIG_DSO] = 'd', + [DSO__ORIG_KMODULE] = 'K', }; if (self == NULL || self->origin == DSO__ORIG_NOT_FOUND) @@ -734,7 +728,7 @@ char dso__symtab_origin(const struct dso *self) return origin[self->origin]; } -int dso__load(struct dso *self, symbol_filter_t filter, int v) +int dso__load(struct dso *self, struct map *map, symbol_filter_t filter, int v) { int size = PATH_MAX; char *name = malloc(size), *build_id = NULL; @@ -747,7 +741,7 @@ int dso__load(struct dso *self, symbol_filter_t filter, int v) self->adjust_symbols = 0; if (strncmp(self->name, "/tmp/perf-", 10) == 0) { - ret = dso__load_perf_map(self, filter, v); + ret = dso__load_perf_map(self, map, filter, v); self->origin = ret > 0 ? DSO__ORIG_JAVA_JIT : DSO__ORIG_NOT_FOUND; return ret; @@ -760,10 +754,12 @@ more: self->origin++; switch (self->origin) { case DSO__ORIG_FEDORA: - snprintf(name, size, "/usr/lib/debug%s.debug", self->name); + snprintf(name, size, "/usr/lib/debug%s.debug", + self->long_name); break; case DSO__ORIG_UBUNTU: - snprintf(name, size, "/usr/lib/debug%s", self->name); + snprintf(name, size, "/usr/lib/debug%s", + self->long_name); break; case DSO__ORIG_BUILDID: build_id = dso__read_build_id(self, v); @@ -777,7 +773,7 @@ more: self->origin++; /* Fall thru */ case DSO__ORIG_DSO: - snprintf(name, size, "%s", self->name); + snprintf(name, size, "%s", self->long_name); break; default: @@ -787,7 +783,7 @@ more: fd = open(name, O_RDONLY); } while (fd < 0); - ret = dso__load_sym(self, fd, name, filter, v, NULL); + ret = dso__load_sym(self, map, name, fd, filter, 0, 0, v); close(fd); /* @@ -808,89 +804,247 @@ out: return ret; } -static int dso__load_module(struct dso *self, struct mod_dso *mods, const char *name, - symbol_filter_t filter, int v) +static struct rb_root kernel_maps; +struct map *kernel_map; + +static void kernel_maps__insert(struct map *map) { - struct module *mod = mod_dso__find_module(mods, name); - int err = 0, fd; + maps__insert(&kernel_maps, map); +} - if (mod == NULL || !mod->active) - return err; +struct symbol *kernel_maps__find_symbol(u64 ip, struct map **mapp) +{ + /* + * We can't have kernel_map in kernel_maps because it spans an address + * space that includes the modules. The right way to fix this is to + * create several maps, so that we don't have overlapping ranges with + * modules. For now lets look first on the kernel dso. + */ + struct map *map = maps__find(&kernel_maps, ip); + struct symbol *sym; + + if (map) { + ip = map->map_ip(map, ip); + sym = map->dso->find_symbol(map->dso, ip); + } else { + map = kernel_map; + sym = map->dso->find_symbol(map->dso, ip); + } - fd = open(mod->path, O_RDONLY); + if (mapp) + *mapp = map; - if (fd < 0) + return sym; +} + +struct map *kernel_maps__find_by_dso_name(const char *name) +{ + struct rb_node *nd; + + for (nd = rb_first(&kernel_maps); nd; nd = rb_next(nd)) { + struct map *map = rb_entry(nd, struct map, rb_node); + + if (map->dso && strcmp(map->dso->name, name) == 0) + return map; + } + + return NULL; +} + +static int dso__load_module_sym(struct dso *self, struct map *map, + symbol_filter_t filter, int v) +{ + int err = 0, fd = open(self->long_name, O_RDONLY); + + if (fd < 0) { + if (v) + fprintf(stderr, "%s: cannot open %s\n", + __func__, self->long_name); return err; + } - err = dso__load_sym(self, fd, name, filter, v, mod); + err = dso__load_sym(self, map, self->long_name, fd, filter, 0, 1, v); close(fd); return err; } -int dso__load_modules(struct dso *self, symbol_filter_t filter, int v) +static int dsos__load_modules_sym_dir(char *dirname, + symbol_filter_t filter, int v) { - struct mod_dso *mods = mod_dso__new_dso("modules"); - struct module *pos; - struct rb_node *next; - int err, count = 0; + struct dirent *dent; + int nr_symbols = 0, err; + DIR *dir = opendir(dirname); - err = mod_dso__load_modules(mods); + if (!dir) { + if (v) + fprintf(stderr, "%s: cannot open %s dir\n", __func__, + dirname); + return -1; + } - if (err <= 0) - return err; + while ((dent = readdir(dir)) != NULL) { + char path[PATH_MAX]; + + if (dent->d_type == DT_DIR) { + if (!strcmp(dent->d_name, ".") || + !strcmp(dent->d_name, "..")) + continue; + + snprintf(path, sizeof(path), "%s/%s", + dirname, dent->d_name); + err = dsos__load_modules_sym_dir(path, filter, v); + if (err < 0) + goto failure; + } else { + char *dot = strrchr(dent->d_name, '.'), + dso_name[PATH_MAX]; + struct map *map; + struct rb_node *last; + + if (dot == NULL || strcmp(dot, ".ko")) + continue; + snprintf(dso_name, sizeof(dso_name), "[%.*s]", + (int)(dot - dent->d_name), dent->d_name); + + map = kernel_maps__find_by_dso_name(dso_name); + if (map == NULL) + continue; + + snprintf(path, sizeof(path), "%s/%s", + dirname, dent->d_name); + + map->dso->long_name = strdup(path); + if (map->dso->long_name == NULL) + goto failure; + + err = dso__load_module_sym(map->dso, map, filter, v); + if (err < 0) + goto failure; + last = rb_last(&map->dso->syms); + if (last) { + struct symbol *sym; + sym = rb_entry(last, struct symbol, rb_node); + map->end = map->start + sym->end; + } + } + nr_symbols += err; + } - /* - * Iterate over modules, and load active symbols. - */ - next = rb_first(&mods->mods); - while (next) { - pos = rb_entry(next, struct module, rb_node); - err = dso__load_module(self, mods, pos->name, filter, v); + return nr_symbols; +failure: + closedir(dir); + return -1; +} - if (err < 0) - break; +static int dsos__load_modules_sym(symbol_filter_t filter, int v) +{ + struct utsname uts; + char modules_path[PATH_MAX]; - next = rb_next(&pos->rb_node); - count += err; - } + if (uname(&uts) < 0) + return -1; - if (err < 0) { - mod_dso__delete_modules(mods); - mod_dso__delete_self(mods); - return err; - } + snprintf(modules_path, sizeof(modules_path), "/lib/modules/%s/kernel", + uts.release); - return count; + return dsos__load_modules_sym_dir(modules_path, filter, v); } -static inline void dso__fill_symbol_holes(struct dso *self) +/* + * Constructor variant for modules (where we know from /proc/modules where + * they are loaded) and for vmlinux, where only after we load all the + * symbols we'll know where it starts and ends. + */ +static struct map *map__new2(u64 start, struct dso *dso) { - struct symbol *prev = NULL; - struct rb_node *nd; + struct map *self = malloc(sizeof(*self)); - for (nd = rb_last(&self->syms); nd; nd = rb_prev(nd)) { - struct symbol *pos = rb_entry(nd, struct symbol, rb_node); + if (self != NULL) { + self->start = start; + /* + * Will be filled after we load all the symbols + */ + self->end = 0; + + self->pgoff = 0; + self->dso = dso; + self->map_ip = map__map_ip; + RB_CLEAR_NODE(&self->rb_node); + } + return self; +} + +int dsos__load_modules(unsigned int sym_priv_size, + symbol_filter_t filter, int v) +{ + char *line = NULL; + size_t n; + FILE *file = fopen("/proc/modules", "r"); + struct map *map; - if (prev) { - u64 hole = 0; - int alias = pos->start == prev->start; + if (file == NULL) + return -1; - if (!alias) - hole = prev->start - pos->end - 1; + while (!feof(file)) { + char name[PATH_MAX]; + u64 start; + struct dso *dso; + char *sep; + int line_len; - if (hole || alias) { - if (alias) - pos->end = prev->end; - else if (hole) - pos->end = prev->start - 1; - } + line_len = getline(&line, &n, file); + if (line_len < 0) + break; + + if (!line) + goto out_failure; + + line[--line_len] = '\0'; /* \n */ + + sep = strrchr(line, 'x'); + if (sep == NULL) + continue; + + hex2u64(sep + 1, &start); + + sep = strchr(line, ' '); + if (sep == NULL) + continue; + + *sep = '\0'; + + snprintf(name, sizeof(name), "[%s]", line); + dso = dso__new(name, sym_priv_size); + + if (dso == NULL) + goto out_delete_line; + + map = map__new2(start, dso); + if (map == NULL) { + dso__delete(dso); + goto out_delete_line; } - prev = pos; + + dso->origin = DSO__ORIG_KMODULE; + kernel_maps__insert(map); + dsos__add(dso); } + + free(line); + fclose(file); + + v = 1; + return dsos__load_modules_sym(filter, v); + +out_delete_line: + free(line); +out_failure: + return -1; } -static int dso__load_vmlinux(struct dso *self, const char *vmlinux, +static int dso__load_vmlinux(struct dso *self, struct map *map, + const char *vmlinux, symbol_filter_t filter, int v) { int err, fd = open(vmlinux, O_RDONLY); @@ -898,28 +1052,36 @@ static int dso__load_vmlinux(struct dso *self, const char *vmlinux, if (fd < 0) return -1; - err = dso__load_sym(self, fd, vmlinux, filter, v, NULL); - - if (err > 0) - dso__fill_symbol_holes(self); + err = dso__load_sym(self, map, self->long_name, fd, filter, 1, 0, v); close(fd); return err; } -int dso__load_kernel(struct dso *self, const char *vmlinux, - symbol_filter_t filter, int v, int use_modules) +int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size, + symbol_filter_t filter, int v, int use_modules) { int err = -1; + struct dso *dso = dso__new(vmlinux, sym_priv_size); + + if (dso == NULL) + return -1; + + dso->short_name = "[kernel]"; + kernel_map = map__new2(0, dso); + if (kernel_map == NULL) + goto out_delete_dso; + + kernel_map->map_ip = vdso__map_ip; if (vmlinux) { - err = dso__load_vmlinux(self, vmlinux, filter, v); + err = dso__load_vmlinux(dso, kernel_map, vmlinux, filter, v); if (err > 0 && use_modules) { - int syms = dso__load_modules(self, filter, v); + int syms = dsos__load_modules(sym_priv_size, filter, v); if (syms < 0) { - fprintf(stderr, "dso__load_modules failed!\n"); + fprintf(stderr, "dsos__load_modules failed!\n"); return syms; } err += syms; @@ -927,18 +1089,34 @@ int dso__load_kernel(struct dso *self, const char *vmlinux, } if (err <= 0) - err = dso__load_kallsyms(self, filter, v); + err = dso__load_kallsyms(dso, kernel_map, filter, v); + + if (err > 0) { + struct rb_node *node = rb_first(&dso->syms); + struct symbol *sym = rb_entry(node, struct symbol, rb_node); - if (err > 0) - self->origin = DSO__ORIG_KERNEL; + kernel_map->start = sym->start; + node = rb_last(&dso->syms); + sym = rb_entry(node, struct symbol, rb_node); + kernel_map->end = sym->end; + + dso->origin = DSO__ORIG_KERNEL; + /* + * XXX See kernel_maps__find_symbol comment + * kernel_maps__insert(kernel_map) + */ + dsos__add(dso); + } return err; + +out_delete_dso: + dso__delete(dso); + return -1; } LIST_HEAD(dsos); -struct dso *kernel_dso; struct dso *vdso; -struct dso *hypervisor_dso; const char *vmlinux_name = "vmlinux"; int modules; @@ -970,7 +1148,7 @@ struct dso *dsos__findnew(const char *name) if (!dso) goto out_delete_dso; - nr = dso__load(dso, NULL, verbose); + nr = dso__load(dso, NULL, NULL, verbose); if (nr < 0) { eprintf("Failed to open: %s\n", name); goto out_delete_dso; @@ -995,43 +1173,20 @@ void dsos__fprintf(FILE *fp) dso__fprintf(pos, fp); } -static struct symbol *vdso__find_symbol(struct dso *dso, u64 ip) -{ - return dso__find_symbol(dso, ip); -} - int load_kernel(void) { - int err; - - kernel_dso = dso__new("[kernel]", 0); - if (!kernel_dso) + if (dsos__load_kernel(vmlinux_name, 0, NULL, verbose, modules) <= 0) return -1; - err = dso__load_kernel(kernel_dso, vmlinux_name, NULL, verbose, modules); - if (err <= 0) { - dso__delete(kernel_dso); - kernel_dso = NULL; - } else - dsos__add(kernel_dso); - vdso = dso__new("[vdso]", 0); if (!vdso) return -1; - vdso->find_symbol = vdso__find_symbol; - dsos__add(vdso); - hypervisor_dso = dso__new("[hypervisor]", 0); - if (!hypervisor_dso) - return -1; - dsos__add(hypervisor_dso); - - return err; + return 0; } - void symbol__init(void) { elf_version(EV_CURRENT); diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index ee164f659ed..5339fd82ec9 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -5,7 +5,6 @@ #include "types.h" #include #include -#include "module.h" #include "event.h" #ifdef HAVE_CPLUS_DEMANGLE @@ -36,10 +35,8 @@ struct symbol { struct rb_node rb_node; u64 start; u64 end; - u64 obj_start; u64 hist_sum; u64 *hist; - struct module *module; void *priv; char name[0]; }; @@ -52,12 +49,14 @@ struct dso { unsigned char adjust_symbols; unsigned char slen_calculated; unsigned char origin; + const char *short_name; + char *long_name; char name[0]; }; extern const char *sym_hist_filter; -typedef int (*symbol_filter_t)(struct dso *self, struct symbol *sym); +typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym); struct dso *dso__new(const char *name, unsigned int sym_priv_size); void dso__delete(struct dso *self); @@ -69,10 +68,12 @@ static inline void *dso__sym_priv(struct dso *self, struct symbol *sym) struct symbol *dso__find_symbol(struct dso *self, u64 ip); -int dso__load_kernel(struct dso *self, const char *vmlinux, - symbol_filter_t filter, int verbose, int modules); -int dso__load_modules(struct dso *self, symbol_filter_t filter, int verbose); -int dso__load(struct dso *self, symbol_filter_t filter, int verbose); +int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size, + symbol_filter_t filter, int verbose, int modules); +int dsos__load_modules(unsigned int sym_priv_size, symbol_filter_t filter, + int verbose); +int dso__load(struct dso *self, struct map *map, symbol_filter_t filter, + int verbose); struct dso *dsos__findnew(const char *name); void dsos__fprintf(FILE *fp); @@ -84,9 +85,8 @@ int load_kernel(void); void symbol__init(void); extern struct list_head dsos; -extern struct dso *kernel_dso; +extern struct map *kernel_map; extern struct dso *vdso; -extern struct dso *hypervisor_dso; extern const char *vmlinux_name; extern int modules; #endif /* __PERF_SYMBOL */ diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 9d0945cc66d..3b56aebb1f4 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -16,6 +16,7 @@ static struct thread *thread__new(pid_t pid) if (self->comm) snprintf(self->comm, 32, ":%d", self->pid); self->maps = RB_ROOT; + INIT_LIST_HEAD(&self->removed_maps); } return self; @@ -32,13 +33,20 @@ int thread__set_comm(struct thread *self, const char *comm) static size_t thread__fprintf(struct thread *self, FILE *fp) { struct rb_node *nd; - size_t ret = fprintf(fp, "Thread %d %s\n", self->pid, self->comm); + struct map *pos; + size_t ret = fprintf(fp, "Thread %d %s\nCurrent maps:\n", + self->pid, self->comm); for (nd = rb_first(&self->maps); nd; nd = rb_next(nd)) { - struct map *pos = rb_entry(nd, struct map, rb_node); + pos = rb_entry(nd, struct map, rb_node); ret += map__fprintf(pos, fp); } + ret = fprintf(fp, "Removed maps:\n"); + + list_for_each_entry(pos, &self->removed_maps, node) + ret += map__fprintf(pos, fp); + return ret; } @@ -112,21 +120,13 @@ static void thread__remove_overlappings(struct thread *self, struct map *map) map__fprintf(pos, stdout); } - if (map->start <= pos->start && map->end > pos->start) - pos->start = map->end; - - if (map->end >= pos->end && map->start < pos->end) - pos->end = map->start; - - if (verbose >= 2) { - printf("after collision:\n"); - map__fprintf(pos, stdout); - } - - if (pos->start >= pos->end) { - rb_erase(&pos->rb_node, &self->maps); - free(pos); - } + rb_erase(&pos->rb_node, &self->maps); + /* + * We may have references to this map, for instance in some + * hist_entry instances, so just move them to a separate + * list. + */ + list_add_tail(&pos->node, &self->removed_maps); } } diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h index bbb37c1a52e..845d9b62f96 100644 --- a/tools/perf/util/thread.h +++ b/tools/perf/util/thread.h @@ -8,6 +8,7 @@ struct thread { struct rb_node rb_node; struct rb_root maps; + struct list_head removed_maps; pid_t pid; char shortname[3]; char *comm; @@ -25,6 +26,9 @@ size_t threads__fprintf(FILE *fp, struct rb_root *threads); void maps__insert(struct rb_root *maps, struct map *map); struct map *maps__find(struct rb_root *maps, u64 ip); +struct symbol *kernel_maps__find_symbol(const u64 ip, struct map **mapp); +struct map *kernel_maps__find_by_dso_name(const char *name); + static inline struct map *thread__find_map(struct thread *self, u64 ip) { return self ? maps__find(&self->maps, ip) : NULL; -- cgit v1.2.3 From 9735abf11bec48bfbbb1b54772a02deb2ae0c403 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Sat, 3 Oct 2009 10:42:45 -0300 Subject: perf tools: Move hist_entry__add common code to hist.c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Now perf report and annotate do the callgraph/hit processing in their specialized hist_entry__add functions. Signed-off-by: Arnaldo Carvalho de Melo Acked-by: Frédéric Weisbecker Cc: Peter Zijlstra Cc: Mike Galbraith Signed-off-by: Ingo Molnar --- tools/perf/builtin-annotate.c | 50 +++++++--------------------------- tools/perf/builtin-report.c | 63 +++++++++++-------------------------------- tools/perf/util/hist.c | 46 +++++++++++++++++++++++++++++++ tools/perf/util/hist.h | 3 +++ 4 files changed, 74 insertions(+), 88 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 7d5a3b1bcda..855094234f2 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -80,48 +80,16 @@ static void hist_hit(struct hist_entry *he, u64 ip) sym->hist[offset]); } -static int -hist_entry__add(struct thread *thread, struct map *map, - struct symbol *sym, u64 ip, char level) +static int hist_entry__add(struct thread *thread, struct map *map, + struct symbol *sym, u64 ip, u64 count, char level) { - struct rb_node **p = &hist.rb_node; - struct rb_node *parent = NULL; - struct hist_entry *he; - struct hist_entry entry = { - .thread = thread, - .map = map, - .sym = sym, - .ip = ip, - .level = level, - .count = 1, - }; - int cmp; - - while (*p != NULL) { - parent = *p; - he = rb_entry(parent, struct hist_entry, rb_node); - - cmp = hist_entry__cmp(&entry, he); - - if (!cmp) { - hist_hit(he, ip); - - return 0; - } - - if (cmp < 0) - p = &(*p)->rb_left; - else - p = &(*p)->rb_right; - } - - he = malloc(sizeof(*he)); - if (!he) + bool hit; + struct hist_entry *he = __hist_entry__add(thread, map, sym, NULL, ip, + count, level, &hit); + if (he == NULL) return -ENOMEM; - *he = entry; - rb_link_node(&he->rb_node, parent, p); - rb_insert_color(&he->rb_node, &hist); - + if (hit) + hist_hit(he, ip); return 0; } @@ -191,7 +159,7 @@ got_map: } if (show & show_mask) { - if (hist_entry__add(thread, map, sym, ip, level)) { + if (hist_entry__add(thread, map, sym, ip, 1, level)) { fprintf(stderr, "problem incrementing symbol count, skipping event\n"); return -1; diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 3ed3baf96ff..0e83ffcbe55 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -407,9 +407,9 @@ static int call__match(struct symbol *sym) return 0; } -static struct symbol ** -resolve_callchain(struct thread *thread, struct map *map, - struct ip_callchain *chain, struct hist_entry *entry) +static struct symbol **resolve_callchain(struct thread *thread, struct map *map, + struct ip_callchain *chain, + struct symbol **parent) { u64 context = PERF_CONTEXT_MAX; struct symbol **syms = NULL; @@ -444,9 +444,8 @@ resolve_callchain(struct thread *thread, struct map *map, } if (sym) { - if (sort__has_parent && call__match(sym) && - !entry->parent) - entry->parent = sym; + if (sort__has_parent && !*parent && call__match(sym)) + *parent = sym; if (!callchain) break; syms[i] = sym; @@ -465,57 +464,27 @@ hist_entry__add(struct thread *thread, struct map *map, struct symbol *sym, u64 ip, struct ip_callchain *chain, char level, u64 count) { - struct rb_node **p = &hist.rb_node; - struct rb_node *parent = NULL; + struct symbol **syms = NULL, *parent = NULL; + bool hit; struct hist_entry *he; - struct symbol **syms = NULL; - struct hist_entry entry = { - .thread = thread, - .map = map, - .sym = sym, - .ip = ip, - .level = level, - .count = count, - .parent = NULL, - .sorted_chain = RB_ROOT - }; - int cmp; if ((sort__has_parent || callchain) && chain) - syms = resolve_callchain(thread, map, chain, &entry); - - while (*p != NULL) { - parent = *p; - he = rb_entry(parent, struct hist_entry, rb_node); - - cmp = hist_entry__cmp(&entry, he); + syms = resolve_callchain(thread, map, chain, &parent); - if (!cmp) { - he->count += count; - if (callchain) { - append_chain(&he->callchain, chain, syms); - free(syms); - } - return 0; - } + he = __hist_entry__add(thread, map, sym, parent, + ip, count, level, &hit); + if (he == NULL) + return -ENOMEM; - if (cmp < 0) - p = &(*p)->rb_left; - else - p = &(*p)->rb_right; - } + if (hit) + he->count += count; - he = malloc(sizeof(*he)); - if (!he) - return -ENOMEM; - *he = entry; if (callchain) { - callchain_init(&he->callchain); + if (!hit) + callchain_init(&he->callchain); append_chain(&he->callchain, chain, syms); free(syms); } - rb_link_node(&he->rb_node, parent, p); - rb_insert_color(&he->rb_node, &hist); return 0; } diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 82808dc4f8e..7393a02fd8d 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -21,6 +21,52 @@ unsigned long total_lost; * histogram, sorted on item, collects counts */ +struct hist_entry *__hist_entry__add(struct thread *thread, struct map *map, + struct symbol *sym, + struct symbol *sym_parent, + u64 ip, u64 count, char level, bool *hit) +{ + struct rb_node **p = &hist.rb_node; + struct rb_node *parent = NULL; + struct hist_entry *he; + struct hist_entry entry = { + .thread = thread, + .map = map, + .sym = sym, + .ip = ip, + .level = level, + .count = count, + .parent = sym_parent, + }; + int cmp; + + while (*p != NULL) { + parent = *p; + he = rb_entry(parent, struct hist_entry, rb_node); + + cmp = hist_entry__cmp(&entry, he); + + if (!cmp) { + *hit = true; + return he; + } + + if (cmp < 0) + p = &(*p)->rb_left; + else + p = &(*p)->rb_right; + } + + he = malloc(sizeof(*he)); + if (!he) + return NULL; + *he = entry; + rb_link_node(&he->rb_node, parent, p); + rb_insert_color(&he->rb_node, &hist); + *hit = false; + return he; +} + int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) { diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 9a8daa12b43..ac2149c559b 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -36,6 +36,9 @@ extern unsigned long total_fork; extern unsigned long total_unknown; extern unsigned long total_lost; +struct hist_entry *__hist_entry__add(struct thread *thread, struct map *map, + struct symbol *sym, struct symbol *parent, + u64 ip, u64 count, char level, bool *hit); extern int64_t hist_entry__cmp(struct hist_entry *, struct hist_entry *); extern int64_t hist_entry__collapse(struct hist_entry *, struct hist_entry *); extern void hist_entry__free(struct hist_entry *); -- cgit v1.2.3 From ec218fc4a796a1b584741d59ef22615d96981188 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Sat, 3 Oct 2009 20:30:48 -0300 Subject: perf tools: Remove show_mask bitmask MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit As it was not being exposed via any command line and with --dsos/--comms we can do this and even more, like asking for just kernel + some module: [root@doppio linux-2.6-tip]# perf report --dsos \[kernel\],\[drm\] --vmlinux /home/acme/git/build/tip-recvmmsg/vmlinux --modules | head -15 # Samples: 619669 # # Overhead Command Shared Object Symbol # ........ ............... ............. ...... # 7.12% swapper [kernel] [k] read_hpet 6.86% init [kernel] [k] read_hpet 6.22% init [kernel] [k] mwait_idle_with_hints 5.34% swapper [kernel] [k] mwait_idle_with_hints 3.01% firefox [kernel] [.] vread_hpet 2.14% Xorg [drm] [k] drm_clflush_pages 2.09% pidgin [kernel] [.] vread_hpet 1.58% npviewer.bin [kernel] [.] vread_hpet 1.37% swapper [kernel] [k] hpet_next_event 1.23% Xorg [kernel] [k] read_hpet [root@doppio linux-2.6-tip]# Signed-off-by: Arnaldo Carvalho de Melo Cc: Frédéric Weisbecker Cc: Peter Zijlstra Cc: Mike Galbraith LKML-Reference: <20091003233048.GA30535@ghostprotocols.net> Signed-off-by: Ingo Molnar --- tools/perf/Makefile | 1 + tools/perf/builtin-annotate.c | 15 ++++----------- tools/perf/builtin-report.c | 35 +++++++++++++---------------------- tools/perf/util/event.h | 6 ------ 4 files changed, 18 insertions(+), 39 deletions(-) (limited to 'tools') diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 8e7509f2d88..2c309a5c686 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -323,6 +323,7 @@ LIB_H += ../../include/linux/rbtree.h LIB_H += ../../include/linux/list.h LIB_H += util/include/linux/list.h LIB_H += perf.h +LIB_H += util/event.h LIB_H += util/types.h LIB_H += util/levenshtein.h LIB_H += util/parse-options.h diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 855094234f2..35ed97bd0c6 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -29,7 +29,6 @@ static char const *input_name = "perf.data"; static int force; static int input; -static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV; static int full_paths; @@ -97,7 +96,6 @@ static int process_sample_event(event_t *event, unsigned long offset, unsigned long head) { char level; - int show = 0; struct thread *thread; u64 ip = event->ip.ip; struct map *map = NULL; @@ -121,13 +119,11 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) } if (event->header.misc & PERF_RECORD_MISC_KERNEL) { - show = SHOW_KERNEL; level = 'k'; sym = kernel_maps__find_symbol(ip, &map); dump_printf(" ...... dso: %s\n", map ? map->dso->long_name : ""); } else if (event->header.misc & PERF_RECORD_MISC_USER) { - show = SHOW_USER; level = '.'; map = thread__find_map(thread, ip); if (map != NULL) { @@ -153,17 +149,14 @@ got_map: dump_printf(" ...... dso: %s\n", map ? map->dso->long_name : ""); } else { - show = SHOW_HV; level = 'H'; dump_printf(" ...... dso: [hypervisor]\n"); } - if (show & show_mask) { - if (hist_entry__add(thread, map, sym, ip, 1, level)) { - fprintf(stderr, - "problem incrementing symbol count, skipping event\n"); - return -1; - } + if (hist_entry__add(thread, map, sym, ip, 1, level)) { + fprintf(stderr, "problem incrementing symbol count, " + "skipping event\n"); + return -1; } total++; diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 0e83ffcbe55..fe4aadc9630 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -38,7 +38,6 @@ static struct strlist *dso_list, *comm_list, *sym_list; static int force; static int input; -static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV; static int full_paths; static int show_nr_samples; @@ -600,7 +599,6 @@ static int process_sample_event(event_t *event, unsigned long offset, unsigned long head) { char level; - int show = 0; struct symbol *sym = NULL; struct thread *thread; u64 ip = event->ip.ip; @@ -657,42 +655,35 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; if (cpumode == PERF_RECORD_MISC_KERNEL) { - show = SHOW_KERNEL; level = 'k'; - sym = kernel_maps__find_symbol(ip, &map); dump_printf(" ...... dso: %s\n", map ? map->dso->long_name : ""); } else if (cpumode == PERF_RECORD_MISC_USER) { - - show = SHOW_USER; level = '.'; sym = resolve_symbol(thread, &map, &ip); } else { - show = SHOW_HV; level = 'H'; - dump_printf(" ...... dso: [hypervisor]\n"); } - if (show & show_mask) { - if (dso_list && - (!map || !map->dso || - !(strlist__has_entry(dso_list, map->dso->short_name) || - (map->dso->short_name != map->dso->long_name && - strlist__has_entry(dso_list, map->dso->long_name))))) - return 0; + if (dso_list && + (!map || !map->dso || + !(strlist__has_entry(dso_list, map->dso->short_name) || + (map->dso->short_name != map->dso->long_name && + strlist__has_entry(dso_list, map->dso->long_name))))) + return 0; - if (sym_list && sym && !strlist__has_entry(sym_list, sym->name)) - return 0; + if (sym_list && sym && !strlist__has_entry(sym_list, sym->name)) + return 0; - if (hist_entry__add(thread, map, sym, ip, - chain, level, period)) { - eprintf("problem incrementing symbol count, skipping event\n"); - return -1; - } + if (hist_entry__add(thread, map, sym, ip, + chain, level, period)) { + eprintf("problem incrementing symbol count, skipping event\n"); + return -1; } + total += period; return 0; diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index a39520e6ae8..c2e62be6279 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -6,12 +6,6 @@ #include #include -enum { - SHOW_KERNEL = 1, - SHOW_USER = 2, - SHOW_HV = 4, -}; - /* * PERF_SAMPLE_IP | PERF_SAMPLE_TID | * */ -- cgit v1.2.3 From 5c2068059a0e852f72b7c2608d92170b752d821f Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 5 Oct 2009 14:26:15 -0300 Subject: perf top: Keep the default of asking for kernel module symbols MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Arnaldo Carvalho de Melo Cc: Frédéric Weisbecker Cc: Peter Zijlstra Cc: Mike Galbraith LKML-Reference: Signed-off-by: Ingo Molnar --- tools/perf/builtin-top.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index befef842757..34d48c1b7a8 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -804,10 +804,8 @@ static int symbol_filter(struct map *map, struct symbol *sym) static int parse_symbols(void) { - int use_modules = vmlinux_name ? 1 : 0; - if (dsos__load_kernel(vmlinux_name, sizeof(struct sym_entry), - symbol_filter, verbose, use_modules) <= 0) + symbol_filter, verbose, 1) <= 0) return -1; if (dump_symtab) -- cgit v1.2.3 From af427bf529c5991be8d1a36f43e2d0141f532f63 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 5 Oct 2009 14:26:17 -0300 Subject: perf tools: Create maps for modules when processing kallsyms MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit So that we get kallsyms processing closer to vmlinux + modules symtabs processing. One change in behaviour is that since when one specifies --vmlinux -m should be used to ask for modules, so it is now for kallsyms as well. Also continue if one manages to load the vmlinux data but module processing fails, so that at least some analisys can be done with part of the needed symbols. Signed-off-by: Arnaldo Carvalho de Melo Cc: Frédéric Weisbecker Cc: Peter Zijlstra Cc: Mike Galbraith LKML-Reference: Signed-off-by: Ingo Molnar --- tools/perf/util/symbol.c | 161 +++++++++++++++++++++++++++++++++++------------ tools/perf/util/symbol.h | 2 - 2 files changed, 122 insertions(+), 41 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index e8829689947..4dfdefd5ec7 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -27,6 +27,44 @@ enum dso_origin { static void dsos__add(struct dso *dso); static struct dso *dsos__find(const char *name); +static struct rb_root kernel_maps; + +static void dso__set_symbols_end(struct dso *self) +{ + struct rb_node *nd, *prevnd = rb_first(&self->syms); + + if (prevnd == NULL) + return; + + for (nd = rb_next(prevnd); nd; nd = rb_next(nd)) { + struct symbol *prev = rb_entry(prevnd, struct symbol, rb_node), + *curr = rb_entry(nd, struct symbol, rb_node); + + if (prev->end == prev->start) + prev->end = curr->start - 1; + prevnd = nd; + } +} + +static void kernel_maps__fixup_sym_end(void) +{ + struct map *prev, *curr; + struct rb_node *nd, *prevnd = rb_first(&kernel_maps); + + if (prevnd == NULL) + return; + + curr = rb_entry(prevnd, struct map, rb_node); + dso__set_symbols_end(curr->dso); + + for (nd = rb_next(prevnd); nd; nd = rb_next(nd)) { + prev = curr; + curr = rb_entry(nd, struct map, rb_node); + prev->end = curr->start - 1; + dso__set_symbols_end(curr->dso); + } +} + static struct symbol *symbol__new(u64 start, u64 len, const char *name, unsigned int priv_size, int v) { @@ -162,10 +200,9 @@ size_t dso__fprintf(struct dso *self, FILE *fp) return ret; } -static int dso__load_kallsyms(struct dso *self, struct map *map, - symbol_filter_t filter, int v) +static int maps__load_kallsyms(symbol_filter_t filter, int use_modules, int v) { - struct rb_node *nd, *prevnd; + struct map *map = kernel_map; char *line = NULL; size_t n; FILE *file = fopen("/proc/kallsyms", "r"); @@ -179,6 +216,7 @@ static int dso__load_kallsyms(struct dso *self, struct map *map, struct symbol *sym; int line_len, len; char symbol_type; + char *module, *symbol_name; line_len = getline(&line, &n, file); if (line_len < 0) @@ -201,40 +239,50 @@ static int dso__load_kallsyms(struct dso *self, struct map *map, */ if (symbol_type != 'T' && symbol_type != 'W') continue; + + symbol_name = line + len + 2; + module = strchr(symbol_name, '\t'); + if (module) { + char *module_name_end; + + if (!use_modules) + continue; + *module = '\0'; + module = strchr(module + 1, '['); + if (!module) + continue; + module_name_end = strchr(module + 1, ']'); + if (!module_name_end) + continue; + *(module_name_end + 1) = '\0'; + if (strcmp(map->dso->name, module)) { + map = kernel_maps__find_by_dso_name(module); + if (!map) { + fputs("/proc/{kallsyms,modules} " + "inconsistency!\n", stderr); + return -1; + } + } + start = map->map_ip(map, start); + } else + map = kernel_map; /* * Well fix up the end later, when we have all sorted. */ - sym = symbol__new(start, 0xdead, line + len + 2, - self->sym_priv_size, v); + sym = symbol__new(start, 0, symbol_name, + map->dso->sym_priv_size, v); if (sym == NULL) goto out_delete_line; if (filter && filter(map, sym)) - symbol__delete(sym, self->sym_priv_size); + symbol__delete(sym, map->dso->sym_priv_size); else { - dso__insert_symbol(self, sym); + dso__insert_symbol(map->dso, sym); count++; } } - /* - * Now that we have all sorted out, just set the ->end of all - * symbols - */ - prevnd = rb_first(&self->syms); - - if (prevnd == NULL) - goto out_delete_line; - - for (nd = rb_next(prevnd); nd; nd = rb_next(nd)) { - struct symbol *prev = rb_entry(prevnd, struct symbol, rb_node), - *curr = rb_entry(nd, struct symbol, rb_node); - - prev->end = curr->start - 1; - prevnd = nd; - } - free(line); fclose(file); @@ -246,6 +294,24 @@ out_failure: return -1; } +static size_t kernel_maps__fprintf(FILE *fp) +{ + size_t printed = fprintf(stderr, "Kernel maps:\n"); + struct rb_node *nd; + + printed += map__fprintf(kernel_map, fp); + printed += dso__fprintf(kernel_map->dso, fp); + + for (nd = rb_first(&kernel_maps); nd; nd = rb_next(nd)) { + struct map *pos = rb_entry(nd, struct map, rb_node); + + printed += map__fprintf(pos, fp); + printed += dso__fprintf(pos->dso, fp); + } + + return printed + fprintf(stderr, "END kernel maps\n"); +} + static int dso__load_perf_map(struct dso *self, struct map *map, symbol_filter_t filter, int v) { @@ -598,6 +664,7 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, char *demangled; int is_label = elf_sym__is_label(&sym); const char *section_name; + u64 sh_offset = 0; if (!is_label && !elf_sym__is_function(&sym)) continue; @@ -613,14 +680,18 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, section_name = elf_sec__name(&shdr, secstrs); + if ((kernel || kmodule)) { + if (strstr(section_name, ".init")) + sh_offset = shdr.sh_offset; + } + if (self->adjust_symbols) { if (v >= 2) printf("adjusting symbol: st_value: %Lx sh_addr: %Lx sh_offset: %Lx\n", (u64)sym.st_value, (u64)shdr.sh_addr, (u64)shdr.sh_offset); sym.st_value -= shdr.sh_addr - shdr.sh_offset; - } else if (kmodule) - sym.st_value += shdr.sh_offset; + } /* * We need to figure out if the object was created from C++ sources * DWARF DW_compile_unit has this, but we don't always have access @@ -631,7 +702,7 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, if (demangled != NULL) elf_name = demangled; - f = symbol__new(sym.st_value, sym.st_size, elf_name, + f = symbol__new(sym.st_value + sh_offset, sym.st_size, elf_name, self->sym_priv_size, v); free(demangled); if (!f) @@ -804,7 +875,6 @@ out: return ret; } -static struct rb_root kernel_maps; struct map *kernel_map; static void kernel_maps__insert(struct map *map) @@ -975,8 +1045,7 @@ static struct map *map__new2(u64 start, struct dso *dso) return self; } -int dsos__load_modules(unsigned int sym_priv_size, - symbol_filter_t filter, int v) +static int dsos__load_modules(unsigned int sym_priv_size) { char *line = NULL; size_t n; @@ -1034,8 +1103,7 @@ int dsos__load_modules(unsigned int sym_priv_size, free(line); fclose(file); - v = 1; - return dsos__load_modules_sym(filter, v); + return 0; out_delete_line: free(line); @@ -1075,25 +1143,37 @@ int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size, kernel_map->map_ip = vdso__map_ip; + if (use_modules && dsos__load_modules(sym_priv_size) < 0) { + fprintf(stderr, "Failed to load list of modules in use! " + "Continuing...\n"); + use_modules = 0; + } + if (vmlinux) { err = dso__load_vmlinux(dso, kernel_map, vmlinux, filter, v); if (err > 0 && use_modules) { - int syms = dsos__load_modules(sym_priv_size, filter, v); + int syms = dsos__load_modules_sym(filter, v); - if (syms < 0) { - fprintf(stderr, "dsos__load_modules failed!\n"); - return syms; - } - err += syms; + if (syms < 0) + fprintf(stderr, "Failed to read module symbols!" + " Continuing...\n"); + else + err += syms; } } if (err <= 0) - err = dso__load_kallsyms(dso, kernel_map, filter, v); + err = maps__load_kallsyms(filter, use_modules, v); if (err > 0) { struct rb_node *node = rb_first(&dso->syms); struct symbol *sym = rb_entry(node, struct symbol, rb_node); + /* + * Now that we have all sorted out, just set the ->end of all + * symbols that still don't have it. + */ + dso__set_symbols_end(dso); + kernel_maps__fixup_sym_end(); kernel_map->start = sym->start; node = rb_last(&dso->syms); @@ -1106,6 +1186,9 @@ int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size, * kernel_maps__insert(kernel_map) */ dsos__add(dso); + + if (v > 0) + kernel_maps__fprintf(stderr); } return err; diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 5339fd82ec9..2e4522edeb0 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -70,8 +70,6 @@ struct symbol *dso__find_symbol(struct dso *self, u64 ip); int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size, symbol_filter_t filter, int verbose, int modules); -int dsos__load_modules(unsigned int sym_priv_size, symbol_filter_t filter, - int verbose); int dso__load(struct dso *self, struct map *map, symbol_filter_t filter, int verbose); struct dso *dsos__findnew(const char *name); -- cgit v1.2.3 From a2a99e8e12798706ec1026e5d8fc36f7c86122ce Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 5 Oct 2009 14:26:18 -0300 Subject: perf tools: /proc/modules names don't always match its name MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit $ cut -d' ' -f1 /proc/modules|grep _|wc -l 29 $ cut -d' ' -f1 /proc/modules|grep _|sed 's/$/.ko'/g|while read n;do find /lib/modules/`uname -r` -name $n;done|wc -l 12 For instance: $ grep ^aes_x86 /proc/modules aes_x86_64 9056 2 - Live 0xffffffffa0091000 $ l /lib/modules/2.6.31-tip/kernel/arch/x86/crypto/aes-x86_64.ko -rw-r--r-- 1 root root 136438 2009-09-22 19:05 /lib/modules/2.6.31-tip/kernel/arch/x86/crypto/aes-x86_64.ko Handle that by introducing a strxfrchar routine that replaces dashes with underscores when matching file names to loaded modules. Signed-off-by: Arnaldo Carvalho de Melo Cc: Frédéric Weisbecker Cc: Peter Zijlstra Cc: Mike Galbraith LKML-Reference: Signed-off-by: Ingo Molnar --- tools/perf/util/string.c | 11 +++++++++++ tools/perf/util/string.h | 1 + tools/perf/util/symbol.c | 3 ++- 3 files changed, 14 insertions(+), 1 deletion(-) (limited to 'tools') diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c index c93eca9a7be..04743d3e903 100644 --- a/tools/perf/util/string.c +++ b/tools/perf/util/string.c @@ -1,3 +1,4 @@ +#include #include "string.h" static int hex(char ch) @@ -32,3 +33,13 @@ int hex2u64(const char *ptr, u64 *long_val) return p - ptr; } + +char *strxfrchar(char *s, char from, char to) +{ + char *p = s; + + while ((p = strchr(p, from)) != NULL) + *p++ = to; + + return s; +} diff --git a/tools/perf/util/string.h b/tools/perf/util/string.h index 15c827475e7..2c84bf65ba0 100644 --- a/tools/perf/util/string.h +++ b/tools/perf/util/string.h @@ -4,6 +4,7 @@ #include "types.h" int hex2u64(const char *ptr, u64 *val); +char *strxfrchar(char *s, char from, char to); #define _STR(x) #x #define STR(x) _STR(x) diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 4dfdefd5ec7..e3eebdd682d 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -189,7 +189,7 @@ struct symbol *dso__find_symbol(struct dso *self, u64 ip) size_t dso__fprintf(struct dso *self, FILE *fp) { - size_t ret = fprintf(fp, "dso: %s\n", self->long_name); + size_t ret = fprintf(fp, "dso: %s\n", self->short_name); struct rb_node *nd; for (nd = rb_first(&self->syms); nd; nd = rb_next(nd)) { @@ -977,6 +977,7 @@ static int dsos__load_modules_sym_dir(char *dirname, snprintf(dso_name, sizeof(dso_name), "[%.*s]", (int)(dot - dent->d_name), dent->d_name); + strxfrchar(dso_name, '-', '_'); map = kernel_maps__find_by_dso_name(dso_name); if (map == NULL) continue; -- cgit v1.2.3 From c3b32fcbc7f4fd9a9b84718b991b175b0fd53f8c Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 5 Oct 2009 14:26:16 -0300 Subject: perf report: Use kernel_maps__find_symbol as fallback to find vdsos, etc MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit In resolve_symbol, as we're moving to breaking the kernel symbols list per address ranges, i.e. kernel linking sections, so that we don't have a big kernel_map that in its range covers what is in the modules. Signed-off-by: Arnaldo Carvalho de Melo Cc: Frédéric Weisbecker Cc: Peter Zijlstra Cc: Mike Galbraith LKML-Reference: Signed-off-by: Ingo Molnar --- tools/perf/builtin-report.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index fe4aadc9630..12f8c868fcd 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -384,11 +384,8 @@ got_map: * the "[vdso]" dso, but for now lets use the old * trick of looking in the whole kernel symbol list. */ - if ((long long)ip < 0) { - map = kernel_map; - if (mapp) - *mapp = map; - } + if ((long long)ip < 0) + return kernel_maps__find_symbol(ip, mapp); } dump_printf(" ...... dso: %s\n", map ? map->dso->long_name : ""); -- cgit v1.2.3 From 26a50744b21fff65bd754874072857bee8967f4d Mon Sep 17 00:00:00 2001 From: Tom Zanussi Date: Tue, 6 Oct 2009 01:09:50 -0500 Subject: tracing/events: Add 'signed' field to format files The sign info used for filters in the kernel is also useful to applications that process the trace stream. Add it to the format files and make it available to userspace. Signed-off-by: Tom Zanussi Acked-by: Frederic Weisbecker Cc: rostedt@goodmis.org Cc: lizf@cn.fujitsu.com Cc: hch@infradead.org Cc: Peter Zijlstra Cc: Mike Galbraith Cc: Paul Mackerras Cc: Arnaldo Carvalho de Melo LKML-Reference: <1254809398-8078-2-git-send-email-tzanussi@gmail.com> Signed-off-by: Ingo Molnar --- tools/perf/util/trace-event-parse.c | 24 ++++++++++++++++++++++++ tools/perf/util/trace-event.h | 1 + 2 files changed, 25 insertions(+) (limited to 'tools') diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 55b41b9e383..be8412d699a 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -894,6 +894,21 @@ static int event_read_fields(struct event *event, struct format_field **fields) field->size = strtoul(token, NULL, 0); free_token(token); + if (read_expected(EVENT_OP, (char *)";") < 0) + goto fail_expect; + + if (read_expected(EVENT_ITEM, (char *)"signed") < 0) + goto fail_expect; + + if (read_expected(EVENT_OP, (char *)":") < 0) + goto fail_expect; + + if (read_expect_type(EVENT_ITEM, &token)) + goto fail; + if (strtoul(token, NULL, 0)) + field->flags |= FIELD_IS_SIGNED; + free_token(token); + if (read_expected(EVENT_OP, (char *)";") < 0) goto fail_expect; @@ -2843,6 +2858,15 @@ static void parse_header_field(char *type, return; *size = atoi(token); free_token(token); + if (read_expected(EVENT_OP, (char *)";") < 0) + return; + if (read_expected(EVENT_ITEM, (char *)"signed") < 0) + return; + if (read_expected(EVENT_OP, (char *)":") < 0) + return; + if (read_expect_type(EVENT_ITEM, &token) < 0) + return; + free_token(token); if (read_expected(EVENT_OP, (char *)";") < 0) return; if (read_expect_type(EVENT_NEWLINE, &token) < 0) diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h index 162c3e6deb9..00b440df66d 100644 --- a/tools/perf/util/trace-event.h +++ b/tools/perf/util/trace-event.h @@ -26,6 +26,7 @@ enum { enum format_flags { FIELD_IS_ARRAY = 1, FIELD_IS_POINTER = 2, + FIELD_IS_SIGNED = 4, }; struct format_field { -- cgit v1.2.3 From 2774601811bedd04ee7e38624343ea80b4a62d7e Mon Sep 17 00:00:00 2001 From: Tom Zanussi Date: Tue, 6 Oct 2009 01:09:51 -0500 Subject: perf trace: Add subsystem string to struct event Needed to fully qualify event names for event stream processing. Signed-off-by: Tom Zanussi Acked-by: Frederic Weisbecker Cc: rostedt@goodmis.org Cc: lizf@cn.fujitsu.com Cc: hch@infradead.org Cc: Peter Zijlstra Cc: Mike Galbraith Cc: Paul Mackerras Cc: Arnaldo Carvalho de Melo LKML-Reference: <1254809398-8078-3-git-send-email-tzanussi@gmail.com> Signed-off-by: Ingo Molnar --- tools/perf/util/trace-event-parse.c | 4 +++- tools/perf/util/trace-event.h | 3 ++- 2 files changed, 5 insertions(+), 2 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index be8412d699a..de3fc8bf8bf 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -2950,7 +2950,7 @@ int parse_ftrace_file(char *buf, unsigned long size) return 0; } -int parse_event_file(char *buf, unsigned long size, char *system__unused __unused) +int parse_event_file(char *buf, unsigned long size, char *sys) { struct event *event; int ret; @@ -2977,6 +2977,8 @@ int parse_event_file(char *buf, unsigned long size, char *system__unused __unuse if (ret < 0) die("failed to read event print fmt"); + event->system = strdup(sys); + #define PRINT_ARGS 0 if (PRINT_ARGS && event->print_fmt.args) print_args(event->print_fmt.args); diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h index 00b440df66d..cb92978be30 100644 --- a/tools/perf/util/trace-event.h +++ b/tools/perf/util/trace-event.h @@ -133,6 +133,7 @@ struct event { int flags; struct format format; struct print_fmt print_fmt; + char *system; }; enum { @@ -167,7 +168,7 @@ void print_funcs(void); void print_printk(void); int parse_ftrace_file(char *buf, unsigned long size); -int parse_event_file(char *buf, unsigned long size, char *system); +int parse_event_file(char *buf, unsigned long size, char *sys); void print_event(int cpu, void *data, int size, unsigned long long nsecs, char *comm); -- cgit v1.2.3 From 064739bc4b3d7f424b2f25547e6611bcf0132415 Mon Sep 17 00:00:00 2001 From: Tom Zanussi Date: Tue, 6 Oct 2009 01:09:52 -0500 Subject: perf trace: Add string/dynamic cases to format_flags Needed for distinguishing string fields in event stream processing. Signed-off-by: Tom Zanussi Acked-by: Frederic Weisbecker Cc: rostedt@goodmis.org Cc: lizf@cn.fujitsu.com Cc: hch@infradead.org Cc: Peter Zijlstra Cc: Mike Galbraith Cc: Paul Mackerras Cc: Arnaldo Carvalho de Melo LKML-Reference: <1254809398-8078-4-git-send-email-tzanussi@gmail.com> Signed-off-by: Ingo Molnar --- tools/perf/util/trace-event-parse.c | 24 ++++++++++++++++++++++++ tools/perf/util/trace-event.h | 2 ++ 2 files changed, 26 insertions(+) (limited to 'tools') diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index de3fc8bf8bf..6f851f98b5b 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -721,6 +721,24 @@ static int event_read_id(void) return -1; } +static int field_is_string(struct format_field *field) +{ + if ((field->flags & FIELD_IS_ARRAY) && + (!strstr(field->type, "char") || !strstr(field->type, "u8") || + !strstr(field->type, "s8"))) + return 1; + + return 0; +} + +static int field_is_dynamic(struct format_field *field) +{ + if (!strcmp(field->type, "__data_loc")) + return 1; + + return 0; +} + static int event_read_fields(struct event *event, struct format_field **fields) { struct format_field *field = NULL; @@ -865,6 +883,12 @@ static int event_read_fields(struct event *event, struct format_field **fields) free(brackets); } + if (field_is_string(field)) { + field->flags |= FIELD_IS_STRING; + if (field_is_dynamic(field)) + field->flags |= FIELD_IS_DYNAMIC; + } + if (test_type_token(type, token, EVENT_OP, (char *)";")) goto fail; free_token(token); diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h index cb92978be30..5f59a39fb88 100644 --- a/tools/perf/util/trace-event.h +++ b/tools/perf/util/trace-event.h @@ -27,6 +27,8 @@ enum format_flags { FIELD_IS_ARRAY = 1, FIELD_IS_POINTER = 2, FIELD_IS_SIGNED = 4, + FIELD_IS_STRING = 8, + FIELD_IS_DYNAMIC = 16, }; struct format_field { -- cgit v1.2.3 From 42e59d7d19dc4b49feab2a860fd9a8ca3248c833 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 6 Oct 2009 15:14:21 +0200 Subject: perf tools: Default to 1 KHz auto-sampling freq events Use auto-freq events by default in perf record and perf top. This allows more consistent hardware event sampling, regardless of the intensity of the underlying event. It also keeps us from over-sampling on larger/busier systems. (also make surrounding initializations more consistent) Cc: Peter Zijlstra Cc: Mike Galbraith Cc: Paul Mackerras Cc: Arnaldo Carvalho de Melo Cc: Frederic Weisbecker LKML-Reference: Signed-off-by: Ingo Molnar --- tools/perf/builtin-record.c | 52 ++++++++++++++++++++++----------------------- tools/perf/builtin-top.c | 38 ++++++++++++++++----------------- 2 files changed, 45 insertions(+), 45 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 3eeef339c78..494f8c7d752 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -29,43 +29,43 @@ static int fd[MAX_NR_CPUS][MAX_COUNTERS]; static long default_interval = 100000; -static int nr_cpus = 0; +static int nr_cpus = 0; static unsigned int page_size; -static unsigned int mmap_pages = 128; -static int freq = 0; +static unsigned int mmap_pages = 128; +static int freq = 1000; static int output; static const char *output_name = "perf.data"; -static int group = 0; -static unsigned int realtime_prio = 0; -static int raw_samples = 0; -static int system_wide = 0; -static int profile_cpu = -1; -static pid_t target_pid = -1; -static pid_t child_pid = -1; -static int inherit = 1; -static int force = 0; -static int append_file = 0; -static int call_graph = 0; -static int inherit_stat = 0; -static int no_samples = 0; -static int sample_address = 0; -static int multiplex = 0; -static int multiplex_fd = -1; - -static long samples; +static int group = 0; +static unsigned int realtime_prio = 0; +static int raw_samples = 0; +static int system_wide = 0; +static int profile_cpu = -1; +static pid_t target_pid = -1; +static pid_t child_pid = -1; +static int inherit = 1; +static int force = 0; +static int append_file = 0; +static int call_graph = 0; +static int inherit_stat = 0; +static int no_samples = 0; +static int sample_address = 0; +static int multiplex = 0; +static int multiplex_fd = -1; + +static long samples = 0; static struct timeval last_read; static struct timeval this_read; -static u64 bytes_written; +static u64 bytes_written = 0; static struct pollfd event_array[MAX_NR_CPUS * MAX_COUNTERS]; -static int nr_poll; -static int nr_cpu; +static int nr_poll = 0; +static int nr_cpu = 0; -static int file_new = 1; +static int file_new = 1; -struct perf_header *header; +struct perf_header *header = NULL; struct mmap_data { int counter; diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index c574c5b3d0e..d978dc99236 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -55,26 +55,26 @@ static int fd[MAX_NR_CPUS][MAX_COUNTERS]; -static int system_wide = 0; +static int system_wide = 0; static int default_interval = 100000; -static int count_filter = 5; -static int print_entries = 15; +static int count_filter = 5; +static int print_entries = 15; -static int target_pid = -1; -static int inherit = 0; -static int profile_cpu = -1; -static int nr_cpus = 0; -static unsigned int realtime_prio = 0; -static int group = 0; +static int target_pid = -1; +static int inherit = 0; +static int profile_cpu = -1; +static int nr_cpus = 0; +static unsigned int realtime_prio = 0; +static int group = 0; static unsigned int page_size; -static unsigned int mmap_pages = 16; -static int freq = 0; +static unsigned int mmap_pages = 16; +static int freq = 1000; /* 1 KHz */ -static int delay_secs = 2; -static int zero; -static int dump_symtab; +static int delay_secs = 2; +static int zero = 0; +static int dump_symtab = 0; /* * Source @@ -87,11 +87,11 @@ struct source_line { struct source_line *next; }; -static char *sym_filter = NULL; -struct sym_entry *sym_filter_entry = NULL; -static int sym_pcnt_filter = 5; -static int sym_counter = 0; -static int display_weighted = -1; +static char *sym_filter = NULL; +struct sym_entry *sym_filter_entry = NULL; +static int sym_pcnt_filter = 5; +static int sym_counter = 0; +static int display_weighted = -1; /* * Symbols -- cgit v1.2.3 From b209aa1f83964d49a332a7b6b818ebede5cdc6ef Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Tue, 6 Oct 2009 21:21:26 +0200 Subject: perf tools: Start the perf.data mapping at data offset in perf trace Currently, we are mapping perf.data in the beginning of the file and use the data offset as a buffer offset. This may exceed the mapping area if the data offset is upper than page_size * mmap_window and result in a page fault (thing that happen if we merge trace.info in perf.data). Instead, let's start the mapping in the page that matches our data offset. v2: Drop a junk from another patch (trace_report() removal) Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Mike Galbraith Cc: Paul Mackerras Cc: Tom Zanussi LKML-Reference: <1254856886-10348-1-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar --- tools/perf/builtin-trace.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'tools') diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 5d4c84d8637..d573d4ea6c2 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -143,6 +143,7 @@ static int __cmd_trace(void) int ret, rc = EXIT_FAILURE; unsigned long offset = 0; unsigned long head = 0; + unsigned long shift; struct stat perf_stat; event_t *event; uint32_t size; @@ -180,6 +181,10 @@ static int __cmd_trace(void) return EXIT_FAILURE; } + shift = page_size * (head / page_size); + offset += shift; + head -= shift; + remap: buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ, MAP_SHARED, input, offset); @@ -192,9 +197,9 @@ more: event = (event_t *)(buf + head); if (head + event->header.size >= page_size * mmap_window) { - unsigned long shift = page_size * (head / page_size); int res; + shift = page_size * (head / page_size); res = munmap(buf, page_size * mmap_window); assert(res == 0); -- cgit v1.2.3 From 03456a158d9067d2f657bec170506009db81756d Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Tue, 6 Oct 2009 23:36:47 +0200 Subject: perf tools: Merge trace.info content into perf.data This drops the trace.info file and move its contents into the common perf.data file. This is done by creating a new trace_info section into this file. A user of perf headers needs to call perf_header__set_trace_info() to save the trace meta informations into the perf.data file. A file created by perf after his patch is unsupported by previous version because the size of the headers have increased. That said, it's two new fields that have been added in the end of the headers, and those could be ignored by previous versions if they just handled the dynamic header size and then ignore the unknow part. The offsets guarantee the compatibility. We'll do a -stable fix for that. But current previous versions handle the header size using its static size, not dynamic, then it's not backward compatible with trace records. Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Paul Mackerras Cc: Mike Galbraith Cc: Paul Mackerras LKML-Reference: <20091006213643.GA5343@nowhere> Signed-off-by: Ingo Molnar --- tools/perf/builtin-record.c | 7 +++---- tools/perf/builtin-sched.c | 1 - tools/perf/builtin-trace.c | 1 - tools/perf/util/header.c | 42 ++++++++++++++++++++++++++++++++++++++ tools/perf/util/header.h | 4 +++- tools/perf/util/trace-event-info.c | 6 ++---- tools/perf/util/trace-event-read.c | 7 ++----- tools/perf/util/trace-event.h | 4 ++-- 8 files changed, 54 insertions(+), 18 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 494f8c7d752..59af03d80d0 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -17,7 +17,6 @@ #include "util/header.h" #include "util/event.h" #include "util/debug.h" -#include "util/trace-event.h" #include #include @@ -566,17 +565,17 @@ static int __cmd_record(int argc, const char **argv) else header = perf_header__new(); - if (raw_samples) { - read_tracing_data(attrs, nr_counters); + perf_header__set_trace_info(); } else { for (i = 0; i < nr_counters; i++) { if (attrs[i].sample_type & PERF_SAMPLE_RAW) { - read_tracing_data(attrs, nr_counters); + perf_header__set_trace_info(); break; } } } + atexit(atexit_header); if (!system_wide) { diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 4470f253570..18871380b01 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -1634,7 +1634,6 @@ static int read_events(void) uint32_t size; char *buf; - trace_report(); register_idle_thread(&threads, &last_match); input = open(input_name, O_RDONLY); diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index d573d4ea6c2..d9abb4ae5f7 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -149,7 +149,6 @@ static int __cmd_trace(void) uint32_t size; char *buf; - trace_report(); register_idle_thread(&threads, &last_match); input = open(input_name, O_RDONLY); diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index e306857b2c2..212fade7ee7 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -5,6 +5,8 @@ #include "util.h" #include "header.h" +#include "../perf.h" +#include "trace-event.h" /* * Create new perf.data header attribute: @@ -62,6 +64,8 @@ struct perf_header *perf_header__new(void) self->data_offset = 0; self->data_size = 0; + self->trace_info_offset = 0; + self->trace_info_size = 0; return self; } @@ -145,8 +149,16 @@ struct perf_file_header { struct perf_file_section attrs; struct perf_file_section data; struct perf_file_section event_types; + struct perf_file_section trace_info; }; +static int trace_info; + +void perf_header__set_trace_info(void) +{ + trace_info = 1; +} + static void do_write(int fd, void *buf, size_t size) { while (size) { @@ -198,6 +210,23 @@ void perf_header__write(struct perf_header *self, int fd) if (events) do_write(fd, events, self->event_size); + if (trace_info) { + static int trace_info_written; + + /* + * Write it only once + */ + if (!trace_info_written) { + self->trace_info_offset = lseek(fd, 0, SEEK_CUR); + read_tracing_data(fd, attrs, nr_counters); + self->trace_info_size = lseek(fd, 0, SEEK_CUR) - + self->trace_info_offset; + trace_info_written = 1; + } else { + lseek(fd, self->trace_info_offset + + self->trace_info_size, SEEK_SET); + } + } self->data_offset = lseek(fd, 0, SEEK_CUR); @@ -217,6 +246,10 @@ void perf_header__write(struct perf_header *self, int fd) .offset = self->event_offset, .size = self->event_size, }, + .trace_info = { + .offset = self->trace_info_offset, + .size = self->trace_info_size, + }, }; lseek(fd, 0, SEEK_SET); @@ -290,6 +323,15 @@ struct perf_header *perf_header__read(int fd) do_read(fd, events, f_header.event_types.size); event_count = f_header.event_types.size / sizeof(struct perf_trace_event_type); } + + self->trace_info_offset = f_header.trace_info.offset; + self->trace_info_size = f_header.trace_info.size; + + if (self->trace_info_size) { + lseek(fd, self->trace_info_offset, SEEK_SET); + trace_report(fd); + } + self->event_offset = f_header.event_types.offset; self->event_size = f_header.event_types.size; diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index a2916b652a1..30aee5160dc 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -21,6 +21,8 @@ struct perf_header { u64 data_size; u64 event_offset; u64 event_size; + u64 trace_info_offset; + u64 trace_info_size; }; struct perf_header *perf_header__read(int fd); @@ -40,7 +42,7 @@ void perf_header_attr__add_id(struct perf_header_attr *self, u64 id); u64 perf_header__sample_type(struct perf_header *header); struct perf_event_attr * perf_header__find_attr(u64 id, struct perf_header *header); - +void perf_header__set_trace_info(void); struct perf_header *perf_header__new(void); diff --git a/tools/perf/util/trace-event-info.c b/tools/perf/util/trace-event-info.c index af4b0573b37..831052d4b4f 100644 --- a/tools/perf/util/trace-event-info.c +++ b/tools/perf/util/trace-event-info.c @@ -496,14 +496,12 @@ get_tracepoints_path(struct perf_event_attr *pattrs, int nb_events) return path.next; } -void read_tracing_data(struct perf_event_attr *pattrs, int nb_events) +void read_tracing_data(int fd, struct perf_event_attr *pattrs, int nb_events) { char buf[BUFSIZ]; struct tracepoint_path *tps; - output_fd = open(output_file, O_WRONLY | O_CREAT | O_TRUNC | O_LARGEFILE, 0644); - if (output_fd < 0) - die("creating file '%s'", output_file); + output_fd = fd; buf[0] = 23; buf[1] = 8; diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c index 1b5c847d2c2..44292e06cca 100644 --- a/tools/perf/util/trace-event-read.c +++ b/tools/perf/util/trace-event-read.c @@ -458,9 +458,8 @@ struct record *trace_read_data(int cpu) return data; } -void trace_report(void) +void trace_report(int fd) { - const char *input_file = "trace.info"; char buf[BUFSIZ]; char test[] = { 23, 8, 68 }; char *version; @@ -468,9 +467,7 @@ void trace_report(void) int show_funcs = 0; int show_printk = 0; - input_fd = open(input_file, O_RDONLY); - if (input_fd < 0) - die("opening '%s'\n", input_file); + input_fd = fd; read_or_die(buf, 3); if (memcmp(buf, test, 3) != 0) diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h index 5f59a39fb88..da77e073c86 100644 --- a/tools/perf/util/trace-event.h +++ b/tools/perf/util/trace-event.h @@ -158,7 +158,7 @@ struct record *trace_read_data(int cpu); void parse_set_info(int nr_cpus, int long_sz); -void trace_report(void); +void trace_report(int fd); void *malloc_or_die(unsigned int size); @@ -244,6 +244,6 @@ unsigned long long raw_field_value(struct event *event, const char *name, void *data); void *raw_field_ptr(struct event *event, const char *name, void *data); -void read_tracing_data(struct perf_event_attr *pattrs, int nb_events); +void read_tracing_data(int fd, struct perf_event_attr *pattrs, int nb_events); #endif /* __PERF_TRACE_EVENTS_H */ -- cgit v1.2.3 From 016e92fbc9ef33689cf654f343a94383d43235e7 Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Wed, 7 Oct 2009 12:47:31 +0200 Subject: perf tools: Unify perf.data mapping and events handling This librarizes the perf.data file mapping and handling in various perf tools, roughly reducing the amount of code and fixing the places that mmap from beginning of the file whereas we want to mmap from the beginning of the data, leading to page fault because the mmap window is too small since the trace info are written in the file too. TODO: - convert perf timechart too Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Mike Galbraith Cc: Paul Mackerras Cc: Arjan van de Ven LKML-Reference: <20091007104729.GD5043@nowhere> Signed-off-by: Ingo Molnar --- tools/perf/Makefile | 2 + tools/perf/builtin-report.c | 211 +++++++---------------------------------- tools/perf/builtin-sched.c | 140 ++++++---------------------- tools/perf/builtin-trace.c | 129 ++++--------------------- tools/perf/util/data_map.c | 222 ++++++++++++++++++++++++++++++++++++++++++++ tools/perf/util/data_map.h | 31 +++++++ 6 files changed, 334 insertions(+), 401 deletions(-) create mode 100644 tools/perf/util/data_map.c create mode 100644 tools/perf/util/data_map.h (limited to 'tools') diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 5a429966c99..495eb6d97fa 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -342,6 +342,7 @@ LIB_H += util/values.h LIB_H += util/sort.h LIB_H += util/hist.h LIB_H += util/thread.h +LIB_H += util/data_map.h LIB_OBJS += util/abspath.o LIB_OBJS += util/alias.o @@ -378,6 +379,7 @@ LIB_OBJS += util/trace-event-info.o LIB_OBJS += util/svghelper.o LIB_OBJS += util/sort.o LIB_OBJS += util/hist.o +LIB_OBJS += util/data_map.o BUILTIN_OBJS += builtin-annotate.o BUILTIN_OBJS += builtin-help.o diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 12f8c868fcd..87c4582303b 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -26,6 +26,7 @@ #include "util/parse-options.h" #include "util/parse-events.h" +#include "util/data_map.h" #include "util/thread.h" #include "util/sort.h" #include "util/hist.h" @@ -37,7 +38,6 @@ static char *dso_list_str, *comm_list_str, *sym_list_str, static struct strlist *dso_list, *comm_list, *sym_list; static int force; -static int input; static int full_paths; static int show_nr_samples; @@ -48,15 +48,11 @@ static struct perf_read_values show_threads_values; static char default_pretty_printing_style[] = "normal"; static char *pretty_printing_style = default_pretty_printing_style; -static unsigned long page_size; -static unsigned long mmap_window = 32; - static int exclude_other = 1; static char callchain_default_opt[] = "fractal,0.5"; -static char __cwd[PATH_MAX]; -static char *cwd = __cwd; +static char *cwd; static int cwdlen; static struct rb_root threads; @@ -815,208 +811,71 @@ process_read_event(event_t *event, unsigned long offset, unsigned long head) return 0; } -static int -process_event(event_t *event, unsigned long offset, unsigned long head) -{ - trace_event(event); - - switch (event->header.type) { - case PERF_RECORD_SAMPLE: - return process_sample_event(event, offset, head); - - case PERF_RECORD_MMAP: - return process_mmap_event(event, offset, head); - - case PERF_RECORD_COMM: - return process_comm_event(event, offset, head); - - case PERF_RECORD_FORK: - case PERF_RECORD_EXIT: - return process_task_event(event, offset, head); - - case PERF_RECORD_LOST: - return process_lost_event(event, offset, head); - - case PERF_RECORD_READ: - return process_read_event(event, offset, head); - - /* - * We dont process them right now but they are fine: - */ - - case PERF_RECORD_THROTTLE: - case PERF_RECORD_UNTHROTTLE: - return 0; - - default: - return -1; - } - - return 0; -} - -static int __cmd_report(void) +static int sample_type_check(u64 type) { - int ret, rc = EXIT_FAILURE; - unsigned long offset = 0; - unsigned long head, shift; - struct stat input_stat; - struct thread *idle; - event_t *event; - uint32_t size; - char *buf; - - idle = register_idle_thread(&threads, &last_match); - thread__comm_adjust(idle); - - if (show_threads) - perf_read_values_init(&show_threads_values); - - input = open(input_name, O_RDONLY); - if (input < 0) { - fprintf(stderr, " failed to open file: %s", input_name); - if (!strcmp(input_name, "perf.data")) - fprintf(stderr, " (try 'perf record' first)"); - fprintf(stderr, "\n"); - exit(-1); - } - - ret = fstat(input, &input_stat); - if (ret < 0) { - perror("failed to stat file"); - exit(-1); - } - - if (!force && input_stat.st_uid && (input_stat.st_uid != geteuid())) { - fprintf(stderr, "file: %s not owned by current user or root\n", input_name); - exit(-1); - } - - if (!input_stat.st_size) { - fprintf(stderr, "zero-sized file, nothing to do!\n"); - exit(0); - } - - header = perf_header__read(input); - head = header->data_offset; - - sample_type = perf_header__sample_type(header); + sample_type = type; if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) { if (sort__has_parent) { fprintf(stderr, "selected --sort parent, but no" " callchain data. Did you call" " perf record without -g?\n"); - exit(-1); + return -1; } if (callchain) { fprintf(stderr, "selected -g but no callchain data." " Did you call perf record without" " -g?\n"); - exit(-1); + return -1; } } else if (callchain_param.mode != CHAIN_NONE && !callchain) { callchain = 1; if (register_callchain_param(&callchain_param) < 0) { fprintf(stderr, "Can't register callchain" " params\n"); - exit(-1); + return -1; } } - if (load_kernel() < 0) { - perror("failed to load kernel symbols"); - return EXIT_FAILURE; - } - - if (!full_paths) { - if (getcwd(__cwd, sizeof(__cwd)) == NULL) { - perror("failed to get the current directory"); - return EXIT_FAILURE; - } - cwdlen = strlen(cwd); - } else { - cwd = NULL; - cwdlen = 0; - } - - shift = page_size * (head / page_size); - offset += shift; - head -= shift; - -remap: - buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ, - MAP_SHARED, input, offset); - if (buf == MAP_FAILED) { - perror("failed to mmap file"); - exit(-1); - } - -more: - event = (event_t *)(buf + head); - - size = event->header.size; - if (!size) - size = 8; - - if (head + event->header.size >= page_size * mmap_window) { - int munmap_ret; - - shift = page_size * (head / page_size); - - munmap_ret = munmap(buf, page_size * mmap_window); - assert(munmap_ret == 0); - - offset += shift; - head -= shift; - goto remap; - } - - size = event->header.size; - - dump_printf("\n%p [%p]: event: %d\n", - (void *)(offset + head), - (void *)(long)event->header.size, - event->header.type); - - if (!size || process_event(event, offset, head) < 0) { - - dump_printf("%p [%p]: skipping unknown header type: %d\n", - (void *)(offset + head), - (void *)(long)(event->header.size), - event->header.type); - - total_unknown++; + return 0; +} - /* - * assume we lost track of the stream, check alignment, and - * increment a single u64 in the hope to catch on again 'soon'. - */ +static struct perf_file_handler file_handler = { + .process_sample_event = process_sample_event, + .process_mmap_event = process_mmap_event, + .process_comm_event = process_comm_event, + .process_exit_event = process_task_event, + .process_fork_event = process_task_event, + .process_lost_event = process_lost_event, + .process_read_event = process_read_event, + .sample_type_check = sample_type_check, +}; - if (unlikely(head & 7)) - head &= ~7ULL; - size = 8; - } +static int __cmd_report(void) +{ + struct thread *idle; + int ret; - head += size; + idle = register_idle_thread(&threads, &last_match); + thread__comm_adjust(idle); - if (offset + head >= header->data_offset + header->data_size) - goto done; + if (show_threads) + perf_read_values_init(&show_threads_values); - if (offset + head < (unsigned long)input_stat.st_size) - goto more; + register_perf_file_handler(&file_handler); -done: - rc = EXIT_SUCCESS; - close(input); + ret = mmap_dispatch_perf_file(&header, input_name, force, full_paths, + &cwdlen, &cwd); + if (ret) + return ret; dump_printf(" IP events: %10ld\n", total); dump_printf(" mmap events: %10ld\n", total_mmap); dump_printf(" comm events: %10ld\n", total_comm); dump_printf(" fork events: %10ld\n", total_fork); dump_printf(" lost events: %10ld\n", total_lost); - dump_printf(" unknown events: %10ld\n", total_unknown); + dump_printf(" unknown events: %10ld\n", file_handler.total_unknown); if (dump_trace) return 0; @@ -1034,7 +893,7 @@ done: if (show_threads) perf_read_values_destroy(&show_threads_values); - return rc; + return ret; } static int @@ -1177,8 +1036,6 @@ int cmd_report(int argc, const char **argv, const char *prefix __used) { symbol__init(); - page_size = getpagesize(); - argc = parse_options(argc, argv, options, report_usage, 0); setup_sorting(); diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 18871380b01..e1df7055ab8 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -11,6 +11,7 @@ #include "util/trace-event.h" #include "util/debug.h" +#include "util/data_map.h" #include #include @@ -20,9 +21,6 @@ #include static char const *input_name = "perf.data"; -static int input; -static unsigned long page_size; -static unsigned long mmap_window = 32; static unsigned long total_comm = 0; @@ -35,6 +33,9 @@ static u64 sample_type; static char default_sort_order[] = "avg, max, switch, runtime"; static char *sort_order = default_sort_order; +static char *cwd; +static int cwdlen; + #define PR_SET_NAME 15 /* Set process name */ #define MAX_CPUS 4096 @@ -1594,129 +1595,43 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) } static int -process_event(event_t *event, unsigned long offset, unsigned long head) +process_lost_event(event_t *event __used, + unsigned long offset __used, + unsigned long head __used) { - trace_event(event); - - nr_events++; - switch (event->header.type) { - case PERF_RECORD_MMAP: - return 0; - case PERF_RECORD_LOST: - nr_lost_chunks++; - nr_lost_events += event->lost.lost; - return 0; - - case PERF_RECORD_COMM: - return process_comm_event(event, offset, head); + nr_lost_chunks++; + nr_lost_events += event->lost.lost; - case PERF_RECORD_EXIT ... PERF_RECORD_READ: - return 0; + return 0; +} - case PERF_RECORD_SAMPLE: - return process_sample_event(event, offset, head); +static int sample_type_check(u64 type) +{ + sample_type = type; - case PERF_RECORD_MAX: - default: + if (!(sample_type & PERF_SAMPLE_RAW)) { + fprintf(stderr, + "No trace sample to read. Did you call perf record " + "without -R?"); return -1; } return 0; } +static struct perf_file_handler file_handler = { + .process_sample_event = process_sample_event, + .process_comm_event = process_comm_event, + .process_lost_event = process_lost_event, + .sample_type_check = sample_type_check, +}; + static int read_events(void) { - int ret, rc = EXIT_FAILURE; - unsigned long offset = 0; - unsigned long head = 0; - struct stat perf_stat; - event_t *event; - uint32_t size; - char *buf; - register_idle_thread(&threads, &last_match); + register_perf_file_handler(&file_handler); - input = open(input_name, O_RDONLY); - if (input < 0) { - perror("failed to open file"); - exit(-1); - } - - ret = fstat(input, &perf_stat); - if (ret < 0) { - perror("failed to stat file"); - exit(-1); - } - - if (!perf_stat.st_size) { - fprintf(stderr, "zero-sized file, nothing to do!\n"); - exit(0); - } - header = perf_header__read(input); - head = header->data_offset; - sample_type = perf_header__sample_type(header); - - if (!(sample_type & PERF_SAMPLE_RAW)) - die("No trace sample to read. Did you call perf record " - "without -R?"); - - if (load_kernel() < 0) { - perror("failed to load kernel symbols"); - return EXIT_FAILURE; - } - -remap: - buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ, - MAP_SHARED, input, offset); - if (buf == MAP_FAILED) { - perror("failed to mmap file"); - exit(-1); - } - -more: - event = (event_t *)(buf + head); - - size = event->header.size; - if (!size) - size = 8; - - if (head + event->header.size >= page_size * mmap_window) { - unsigned long shift = page_size * (head / page_size); - int res; - - res = munmap(buf, page_size * mmap_window); - assert(res == 0); - - offset += shift; - head -= shift; - goto remap; - } - - size = event->header.size; - - - if (!size || process_event(event, offset, head) < 0) { - - /* - * assume we lost track of the stream, check alignment, and - * increment a single u64 in the hope to catch on again 'soon'. - */ - - if (unlikely(head & 7)) - head &= ~7ULL; - - size = 8; - } - - head += size; - - if (offset + head < (unsigned long)perf_stat.st_size) - goto more; - - rc = EXIT_SUCCESS; - close(input); - - return rc; + return mmap_dispatch_perf_file(&header, input_name, 0, 0, &cwdlen, &cwd); } static void print_bad_events(void) @@ -1934,7 +1849,6 @@ static int __cmd_record(int argc, const char **argv) int cmd_sched(int argc, const char **argv, const char *prefix __used) { symbol__init(); - page_size = getpagesize(); argc = parse_options(argc, argv, sched_options, sched_usage, PARSE_OPT_STOP_AT_NON_OPTION); diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index d9abb4ae5f7..fb3f3c22021 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -12,11 +12,9 @@ #include "util/debug.h" #include "util/trace-event.h" +#include "util/data_map.h" static char const *input_name = "perf.data"; -static int input; -static unsigned long page_size; -static unsigned long mmap_window = 32; static unsigned long total = 0; static unsigned long total_comm = 0; @@ -27,6 +25,9 @@ static struct thread *last_match; static struct perf_header *header; static u64 sample_type; +static char *cwd; +static int cwdlen; + static int process_comm_event(event_t *event, unsigned long offset, unsigned long head) @@ -112,125 +113,32 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) return 0; } -static int -process_event(event_t *event, unsigned long offset, unsigned long head) +static int sample_type_check(u64 type) { - trace_event(event); - - switch (event->header.type) { - case PERF_RECORD_MMAP ... PERF_RECORD_LOST: - return 0; - - case PERF_RECORD_COMM: - return process_comm_event(event, offset, head); - - case PERF_RECORD_EXIT ... PERF_RECORD_READ: - return 0; + sample_type = type; - case PERF_RECORD_SAMPLE: - return process_sample_event(event, offset, head); - - case PERF_RECORD_MAX: - default: + if (!(sample_type & PERF_SAMPLE_RAW)) { + fprintf(stderr, + "No trace sample to read. Did you call perf record " + "without -R?"); return -1; } return 0; } +static struct perf_file_handler file_handler = { + .process_sample_event = process_sample_event, + .process_comm_event = process_comm_event, + .sample_type_check = sample_type_check, +}; + static int __cmd_trace(void) { - int ret, rc = EXIT_FAILURE; - unsigned long offset = 0; - unsigned long head = 0; - unsigned long shift; - struct stat perf_stat; - event_t *event; - uint32_t size; - char *buf; - register_idle_thread(&threads, &last_match); + register_perf_file_handler(&file_handler); - input = open(input_name, O_RDONLY); - if (input < 0) { - perror("failed to open file"); - exit(-1); - } - - ret = fstat(input, &perf_stat); - if (ret < 0) { - perror("failed to stat file"); - exit(-1); - } - - if (!perf_stat.st_size) { - fprintf(stderr, "zero-sized file, nothing to do!\n"); - exit(0); - } - header = perf_header__read(input); - head = header->data_offset; - sample_type = perf_header__sample_type(header); - - if (!(sample_type & PERF_SAMPLE_RAW)) - die("No trace sample to read. Did you call perf record " - "without -R?"); - - if (load_kernel() < 0) { - perror("failed to load kernel symbols"); - return EXIT_FAILURE; - } - - shift = page_size * (head / page_size); - offset += shift; - head -= shift; - -remap: - buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ, - MAP_SHARED, input, offset); - if (buf == MAP_FAILED) { - perror("failed to mmap file"); - exit(-1); - } - -more: - event = (event_t *)(buf + head); - - if (head + event->header.size >= page_size * mmap_window) { - int res; - - shift = page_size * (head / page_size); - res = munmap(buf, page_size * mmap_window); - assert(res == 0); - - offset += shift; - head -= shift; - goto remap; - } - - size = event->header.size; - - if (!size || process_event(event, offset, head) < 0) { - - /* - * assume we lost track of the stream, check alignment, and - * increment a single u64 in the hope to catch on again 'soon'. - */ - - if (unlikely(head & 7)) - head &= ~7ULL; - - size = 8; - } - - head += size; - - if (offset + head < (unsigned long)perf_stat.st_size) - goto more; - - rc = EXIT_SUCCESS; - close(input); - - return rc; + return mmap_dispatch_perf_file(&header, input_name, 0, 0, &cwdlen, &cwd); } static const char * const annotate_usage[] = { @@ -249,7 +157,6 @@ static const struct option options[] = { int cmd_trace(int argc, const char **argv, const char *prefix __used) { symbol__init(); - page_size = getpagesize(); argc = parse_options(argc, argv, options, annotate_usage, 0); if (argc) { diff --git a/tools/perf/util/data_map.c b/tools/perf/util/data_map.c new file mode 100644 index 00000000000..242b0555ab9 --- /dev/null +++ b/tools/perf/util/data_map.c @@ -0,0 +1,222 @@ +#include "data_map.h" +#include "symbol.h" +#include "util.h" +#include "debug.h" + + +static struct perf_file_handler *curr_handler; +static unsigned long mmap_window = 32; +static char __cwd[PATH_MAX]; + +static int +process_event_stub(event_t *event __used, + unsigned long offset __used, + unsigned long head __used) +{ + return 0; +} + +void register_perf_file_handler(struct perf_file_handler *handler) +{ + if (!handler->process_sample_event) + handler->process_sample_event = process_event_stub; + if (!handler->process_mmap_event) + handler->process_mmap_event = process_event_stub; + if (!handler->process_comm_event) + handler->process_comm_event = process_event_stub; + if (!handler->process_fork_event) + handler->process_fork_event = process_event_stub; + if (!handler->process_exit_event) + handler->process_exit_event = process_event_stub; + if (!handler->process_lost_event) + handler->process_lost_event = process_event_stub; + if (!handler->process_read_event) + handler->process_read_event = process_event_stub; + if (!handler->process_throttle_event) + handler->process_throttle_event = process_event_stub; + if (!handler->process_unthrottle_event) + handler->process_unthrottle_event = process_event_stub; + + curr_handler = handler; +} + +static int +process_event(event_t *event, unsigned long offset, unsigned long head) +{ + trace_event(event); + + switch (event->header.type) { + case PERF_RECORD_SAMPLE: + return curr_handler->process_sample_event(event, offset, head); + case PERF_RECORD_MMAP: + return curr_handler->process_mmap_event(event, offset, head); + case PERF_RECORD_COMM: + return curr_handler->process_comm_event(event, offset, head); + case PERF_RECORD_FORK: + return curr_handler->process_fork_event(event, offset, head); + case PERF_RECORD_EXIT: + return curr_handler->process_exit_event(event, offset, head); + case PERF_RECORD_LOST: + return curr_handler->process_lost_event(event, offset, head); + case PERF_RECORD_READ: + return curr_handler->process_read_event(event, offset, head); + case PERF_RECORD_THROTTLE: + return curr_handler->process_throttle_event(event, offset, head); + case PERF_RECORD_UNTHROTTLE: + return curr_handler->process_unthrottle_event(event, offset, head); + default: + curr_handler->total_unknown++; + return -1; + } +} + +int mmap_dispatch_perf_file(struct perf_header **pheader, + const char *input_name, + int force, + int full_paths, + int *cwdlen, + char **cwd) +{ + int ret, rc = EXIT_FAILURE; + struct perf_header *header; + unsigned long head, shift; + unsigned long offset = 0; + struct stat input_stat; + size_t page_size; + u64 sample_type; + event_t *event; + uint32_t size; + int input; + char *buf; + + if (!curr_handler) + die("Forgot to register perf file handler"); + + page_size = getpagesize(); + + input = open(input_name, O_RDONLY); + if (input < 0) { + fprintf(stderr, " failed to open file: %s", input_name); + if (!strcmp(input_name, "perf.data")) + fprintf(stderr, " (try 'perf record' first)"); + fprintf(stderr, "\n"); + exit(-1); + } + + ret = fstat(input, &input_stat); + if (ret < 0) { + perror("failed to stat file"); + exit(-1); + } + + if (!force && input_stat.st_uid && (input_stat.st_uid != geteuid())) { + fprintf(stderr, "file: %s not owned by current user or root\n", + input_name); + exit(-1); + } + + if (!input_stat.st_size) { + fprintf(stderr, "zero-sized file, nothing to do!\n"); + exit(0); + } + + *pheader = perf_header__read(input); + header = *pheader; + head = header->data_offset; + + sample_type = perf_header__sample_type(header); + + if (curr_handler->sample_type_check) + if (curr_handler->sample_type_check(sample_type) < 0) + exit(-1); + + if (load_kernel() < 0) { + perror("failed to load kernel symbols"); + return EXIT_FAILURE; + } + + if (!full_paths) { + if (getcwd(__cwd, sizeof(__cwd)) == NULL) { + perror("failed to get the current directory"); + return EXIT_FAILURE; + } + *cwd = __cwd; + *cwdlen = strlen(*cwd); + } else { + *cwd = NULL; + *cwdlen = 0; + } + + shift = page_size * (head / page_size); + offset += shift; + head -= shift; + +remap: + buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ, + MAP_SHARED, input, offset); + if (buf == MAP_FAILED) { + perror("failed to mmap file"); + exit(-1); + } + +more: + event = (event_t *)(buf + head); + + size = event->header.size; + if (!size) + size = 8; + + if (head + event->header.size >= page_size * mmap_window) { + int munmap_ret; + + shift = page_size * (head / page_size); + + munmap_ret = munmap(buf, page_size * mmap_window); + assert(munmap_ret == 0); + + offset += shift; + head -= shift; + goto remap; + } + + size = event->header.size; + + dump_printf("\n%p [%p]: event: %d\n", + (void *)(offset + head), + (void *)(long)event->header.size, + event->header.type); + + if (!size || process_event(event, offset, head) < 0) { + + dump_printf("%p [%p]: skipping unknown header type: %d\n", + (void *)(offset + head), + (void *)(long)(event->header.size), + event->header.type); + + /* + * assume we lost track of the stream, check alignment, and + * increment a single u64 in the hope to catch on again 'soon'. + */ + + if (unlikely(head & 7)) + head &= ~7ULL; + + size = 8; + } + + head += size; + + if (offset + head >= header->data_offset + header->data_size) + goto done; + + if (offset + head < (unsigned long)input_stat.st_size) + goto more; + +done: + rc = EXIT_SUCCESS; + close(input); + + return rc; +} + + diff --git a/tools/perf/util/data_map.h b/tools/perf/util/data_map.h new file mode 100644 index 00000000000..716d1053b07 --- /dev/null +++ b/tools/perf/util/data_map.h @@ -0,0 +1,31 @@ +#ifndef __PERF_DATAMAP_H +#define __PERF_DATAMAP_H + +#include "event.h" +#include "header.h" + +typedef int (*event_type_handler_t)(event_t *, unsigned long, unsigned long); + +struct perf_file_handler { + event_type_handler_t process_sample_event; + event_type_handler_t process_mmap_event; + event_type_handler_t process_comm_event; + event_type_handler_t process_fork_event; + event_type_handler_t process_exit_event; + event_type_handler_t process_lost_event; + event_type_handler_t process_read_event; + event_type_handler_t process_throttle_event; + event_type_handler_t process_unthrottle_event; + int (*sample_type_check)(u64 sample_type); + unsigned long total_unknown; +}; + +void register_perf_file_handler(struct perf_file_handler *handler); +int mmap_dispatch_perf_file(struct perf_header **pheader, + const char *input_name, + int force, + int full_paths, + int *cwdlen, + char **cwd); + +#endif -- cgit v1.2.3 From 9a92b479b2f088ee2d3194243f4c8e59b1b8c9c2 Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Thu, 8 Oct 2009 16:37:12 +0200 Subject: perf tools: Improve thread comm resolution in perf sched When we get sched traces that involve a task that was already created before opening the event, we won't have the comm event for it. So if we can't find the comm event for a given thread, we look at the traces that may contain these informations. Before: ata/1:371 | 0.000 ms | 1 | avg: 3988.693 ms | max: 3988.693 ms | kondemand/1:421 | 0.096 ms | 3 | avg: 345.346 ms | max: 1035.989 ms | kondemand/0:420 | 0.025 ms | 3 | avg: 421.332 ms | max: 964.014 ms | :5124:5124 | 0.103 ms | 5 | avg: 74.082 ms | max: 277.194 ms | :6244:6244 | 0.691 ms | 9 | avg: 125.655 ms | max: 271.306 ms | firefox:5080 | 0.924 ms | 5 | avg: 53.833 ms | max: 257.828 ms | npviewer.bin:6225 | 21.871 ms | 53 | avg: 22.462 ms | max: 220.835 ms | :6245:6245 | 9.631 ms | 21 | avg: 41.864 ms | max: 213.349 ms | After: ata/1:371 | 0.000 ms | 1 | avg: 3988.693 ms | max: 3988.693 ms | kondemand/1:421 | 0.096 ms | 3 | avg: 345.346 ms | max: 1035.989 ms | kondemand/0:420 | 0.025 ms | 3 | avg: 421.332 ms | max: 964.014 ms | firefox:5124 | 0.103 ms | 5 | avg: 74.082 ms | max: 277.194 ms | npviewer.bin:6244 | 0.691 ms | 9 | avg: 125.655 ms | max: 271.306 ms | firefox:5080 | 0.924 ms | 5 | avg: 53.833 ms | max: 257.828 ms | npviewer.bin:6225 | 21.871 ms | 53 | avg: 22.462 ms | max: 220.835 ms | npviewer.bin:6245 | 9.631 ms | 21 | avg: 41.864 ms | max: 213.349 ms | Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Mike Galbraith Cc: Paul Mackerras LKML-Reference: <1255012632-7882-1-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar --- tools/perf/builtin-sched.c | 44 +++++++++++++++++++++++++++++++++++++++----- tools/perf/util/thread.c | 32 +++++++++++++++++++++++++------- tools/perf/util/thread.h | 3 +++ 3 files changed, 67 insertions(+), 12 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index e1df7055ab8..25b91e78433 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -1034,6 +1034,36 @@ add_sched_in_event(struct work_atoms *atoms, u64 timestamp) atoms->nb_atoms++; } +static struct thread * +threads__findnew_from_ctx(u32 pid, struct trace_switch_event *switch_event) +{ + struct thread *th; + + th = threads__findnew_nocomm(pid, &threads, &last_match); + if (th->comm) + return th; + + if (pid == switch_event->prev_pid) + thread__set_comm(th, switch_event->prev_comm); + else + thread__set_comm(th, switch_event->next_comm); + return th; +} + +static struct thread * +threads__findnew_from_wakeup(struct trace_wakeup_event *wakeup_event) +{ + struct thread *th; + + th = threads__findnew_nocomm(wakeup_event->pid, &threads, &last_match); + if (th->comm) + return th; + + thread__set_comm(th, wakeup_event->comm); + + return th; +} + static void latency_switch_event(struct trace_switch_event *switch_event, struct event *event __used, @@ -1059,8 +1089,10 @@ latency_switch_event(struct trace_switch_event *switch_event, die("hm, delta: %Ld < 0 ?\n", delta); - sched_out = threads__findnew(switch_event->prev_pid, &threads, &last_match); - sched_in = threads__findnew(switch_event->next_pid, &threads, &last_match); + sched_out = threads__findnew_from_ctx(switch_event->prev_pid, + switch_event); + sched_in = threads__findnew_from_ctx(switch_event->next_pid, + switch_event); out_events = thread_atoms_search(&atom_root, sched_out, &cmp_pid); if (!out_events) { @@ -1126,7 +1158,7 @@ latency_wakeup_event(struct trace_wakeup_event *wakeup_event, if (!wakeup_event->success) return; - wakee = threads__findnew(wakeup_event->pid, &threads, &last_match); + wakee = threads__findnew_from_wakeup(wakeup_event); atoms = thread_atoms_search(&atom_root, wakee, &cmp_pid); if (!atoms) { thread_atoms_insert(wakee); @@ -1386,8 +1418,10 @@ map_switch_event(struct trace_switch_event *switch_event, die("hm, delta: %Ld < 0 ?\n", delta); - sched_out = threads__findnew(switch_event->prev_pid, &threads, &last_match); - sched_in = threads__findnew(switch_event->next_pid, &threads, &last_match); + sched_out = threads__findnew_from_ctx(switch_event->prev_pid, + switch_event); + sched_in = threads__findnew_from_ctx(switch_event->next_pid, + switch_event); curr_thread[this_cpu] = sched_in; diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 3b56aebb1f4..8bd5ca2d2f2 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -6,15 +6,17 @@ #include "util.h" #include "debug.h" -static struct thread *thread__new(pid_t pid) +static struct thread *thread__new(pid_t pid, int set_comm) { struct thread *self = calloc(1, sizeof(*self)); if (self != NULL) { self->pid = pid; - self->comm = malloc(32); - if (self->comm) - snprintf(self->comm, 32, ":%d", self->pid); + if (set_comm) { + self->comm = malloc(32); + if (self->comm) + snprintf(self->comm, 32, ":%d", self->pid); + } self->maps = RB_ROOT; INIT_LIST_HEAD(&self->removed_maps); } @@ -50,8 +52,10 @@ static size_t thread__fprintf(struct thread *self, FILE *fp) return ret; } -struct thread * -threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match) +static struct thread * +__threads__findnew(pid_t pid, struct rb_root *threads, + struct thread **last_match, + int set_comm) { struct rb_node **p = &threads->rb_node; struct rb_node *parent = NULL; @@ -80,7 +84,8 @@ threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match) p = &(*p)->rb_right; } - th = thread__new(pid); + th = thread__new(pid, set_comm); + if (th != NULL) { rb_link_node(&th->rb_node, parent, p); rb_insert_color(&th->rb_node, threads); @@ -90,6 +95,19 @@ threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match) return th; } +struct thread * +threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match) +{ + return __threads__findnew(pid, threads, last_match, 1); +} + +struct thread * +threads__findnew_nocomm(pid_t pid, struct rb_root *threads, + struct thread **last_match) +{ + return __threads__findnew(pid, threads, last_match, 0); +} + struct thread * register_idle_thread(struct rb_root *threads, struct thread **last_match) { diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h index 845d9b62f96..75bc843950c 100644 --- a/tools/perf/util/thread.h +++ b/tools/perf/util/thread.h @@ -18,6 +18,9 @@ int thread__set_comm(struct thread *self, const char *comm); struct thread * threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match); struct thread * +threads__findnew_nocomm(pid_t pid, struct rb_root *threads, + struct thread **last_match); +struct thread * register_idle_thread(struct rb_root *threads, struct thread **last_match); void thread__insert_map(struct thread *self, struct map *map); int thread__fork(struct thread *self, struct thread *parent); -- cgit v1.2.3 From da21d1b547cbaa2c026cf645753651c25d340923 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Wed, 7 Oct 2009 10:49:00 -0300 Subject: perf tools: Up the verbose level for some really verbose stuff Like printing every symbol created. Signed-off-by: Arnaldo Carvalho de Melo Cc: Frederic Weisbecker Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Mike Galbraith LKML-Reference: <1254923340-4870-1-git-send-email-acme@redhat.com> Signed-off-by: Ingo Molnar --- tools/perf/builtin-annotate.c | 4 ++-- tools/perf/builtin-report.c | 4 ++-- tools/perf/util/symbol.c | 4 ++-- 3 files changed, 6 insertions(+), 6 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 35ed97bd0c6..8c84320ecb0 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -658,10 +658,10 @@ more: if (dump_trace) return 0; - if (verbose >= 3) + if (verbose > 3) threads__fprintf(stdout, &threads); - if (verbose >= 2) + if (verbose > 2) dsos__fprintf(stdout); collapse__resort(); diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 87c4582303b..f57a23b19f3 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -880,10 +880,10 @@ static int __cmd_report(void) if (dump_trace) return 0; - if (verbose >= 3) + if (verbose > 3) threads__fprintf(stdout, &threads); - if (verbose >= 2) + if (verbose > 2) dsos__fprintf(stdout); collapse__resort(); diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 582ce72ca4d..a6887f94dfe 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -74,7 +74,7 @@ static struct symbol *symbol__new(u64 start, u64 len, const char *name, if (!self) return NULL; - if (v >= 2) + if (v > 2) printf("new symbol: %016Lx [%08lx]: %s, hist: %p\n", start, (unsigned long)len, name, self->hist); @@ -685,7 +685,7 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, } if (self->adjust_symbols) { - if (v >= 2) + if (v > 2) printf("adjusting symbol: st_value: %Lx sh_addr: %Lx sh_offset: %Lx\n", (u64)sym.st_value, (u64)shdr.sh_addr, (u64)shdr.sh_offset); -- cgit v1.2.3 From 2e538c4a1847291cf01218d4fe7bb4dc60fef7cf Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Wed, 7 Oct 2009 13:48:56 -0300 Subject: perf tools: Improve kernel/modules symbol lookup This removes the ovelapping of vmlinux addresses with modules, using the ELF section name when using --vmlinux and creating a unique DSO name when using /proc/kallsyms ([kernel].N). This is done by creating multiple 'struct map' instances for address ranges backed by DSOs that have just the symbols for that range and a name that is derived from the ELF section name.o Now it is possible to ask for just the symbols in some particular kernel section: $ perf report -m --vmlinux ../build/tip-recvmmsg/vmlinux \ --dsos [kernel].vsyscall_fn | head -15 52.73% Xorg [.] vread_hpet 18.61% firefox [.] vread_hpet 14.50% npviewer.bin [.] vread_hpet 6.83% compiz [.] vread_hpet 5.73% glxgears [.] vread_hpet 0.63% java [.] vread_hpet 0.30% gnome-terminal [.] vread_hpet 0.23% perf [.] vread_hpet 0.18% xchat [.] vread_hpet $ Now we don't have to first lookup the list of modules and then, if it fails, vmlinux symbols, its just a simple lookup for the map then the symbols, just like for threads. Reports generated using /proc/kallsyms and --vmlinux should provide the same results, modulo the DSO name for sections other than ".text". But they don't right now because things like: ffffffff81011c20-ffffffff81012068 system_call ffffffff81011c30-ffffffff81011c9b system_call_after_swapgs ffffffff81011c9c-ffffffff81011cb6 system_call_fastpath ffffffff81011cb7-ffffffff81011cbb ret_from_sys_call I.e. overlapping symbols, again some ASM special case that we have to fixup. Signed-off-by: Arnaldo Carvalho de Melo Cc: Frederic Weisbecker Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Mike Galbraith LKML-Reference: <1254934136-8503-1-git-send-email-acme@redhat.com> Signed-off-by: Ingo Molnar --- tools/perf/util/symbol.c | 288 +++++++++++++++++++++++++++++++++-------------- 1 file changed, 201 insertions(+), 87 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index a6887f94dfe..faa84f5d4f5 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -26,27 +26,35 @@ enum dso_origin { static void dsos__add(struct dso *dso); static struct dso *dsos__find(const char *name); +static struct map *map__new2(u64 start, struct dso *dso); +static void kernel_maps__insert(struct map *map); static struct rb_root kernel_maps; -static void dso__set_symbols_end(struct dso *self) +static void dso__fixup_sym_end(struct dso *self) { struct rb_node *nd, *prevnd = rb_first(&self->syms); + struct symbol *curr, *prev; if (prevnd == NULL) return; + curr = rb_entry(prevnd, struct symbol, rb_node); + for (nd = rb_next(prevnd); nd; nd = rb_next(nd)) { - struct symbol *prev = rb_entry(prevnd, struct symbol, rb_node), - *curr = rb_entry(nd, struct symbol, rb_node); + prev = curr; + curr = rb_entry(nd, struct symbol, rb_node); if (prev->end == prev->start) prev->end = curr->start - 1; - prevnd = nd; } + + /* Last entry */ + if (curr->end == curr->start) + curr->end = roundup(curr->start, 4096); } -static void kernel_maps__fixup_sym_end(void) +static void kernel_maps__fixup_end(void) { struct map *prev, *curr; struct rb_node *nd, *prevnd = rb_first(&kernel_maps); @@ -55,13 +63,17 @@ static void kernel_maps__fixup_sym_end(void) return; curr = rb_entry(prevnd, struct map, rb_node); - dso__set_symbols_end(curr->dso); for (nd = rb_next(prevnd); nd; nd = rb_next(nd)) { prev = curr; curr = rb_entry(nd, struct map, rb_node); prev->end = curr->start - 1; - dso__set_symbols_end(curr->dso); + } + + nd = rb_last(&curr->dso->syms); + if (nd) { + struct symbol *sym = rb_entry(nd, struct symbol, rb_node); + curr->end = sym->end; } } @@ -200,13 +212,16 @@ size_t dso__fprintf(struct dso *self, FILE *fp) return ret; } -static int maps__load_kallsyms(symbol_filter_t filter, int use_modules, int v) +/* + * Loads the function entries in /proc/kallsyms into kernel_map->dso, + * so that we can in the next step set the symbol ->end address and then + * call kernel_maps__split_kallsyms. + */ +static int kernel_maps__load_all_kallsyms(int v) { - struct map *map = kernel_map; char *line = NULL; size_t n; FILE *file = fopen("/proc/kallsyms", "r"); - int count = 0; if (file == NULL) goto out_failure; @@ -216,7 +231,7 @@ static int maps__load_kallsyms(symbol_filter_t filter, int use_modules, int v) struct symbol *sym; int line_len, len; char symbol_type; - char *module, *symbol_name; + char *symbol_name; line_len = getline(&line, &n, file); if (line_len < 0) @@ -241,20 +256,55 @@ static int maps__load_kallsyms(symbol_filter_t filter, int use_modules, int v) continue; symbol_name = line + len + 2; - module = strchr(symbol_name, '\t'); - if (module) { - char *module_name_end; + /* + * Will fix up the end later, when we have all symbols sorted. + */ + sym = symbol__new(start, 0, symbol_name, + kernel_map->dso->sym_priv_size, v); + if (sym == NULL) + goto out_delete_line; + + dso__insert_symbol(kernel_map->dso, sym); + } + + free(line); + fclose(file); + + return 0; + +out_delete_line: + free(line); +out_failure: + return -1; +} + +/* + * Split the symbols into maps, making sure there are no overlaps, i.e. the + * kernel range is broken in several maps, named [kernel].N, as we don't have + * the original ELF section names vmlinux have. + */ +static int kernel_maps__split_kallsyms(symbol_filter_t filter, int use_modules) +{ + struct map *map = kernel_map; + struct symbol *pos; + int count = 0; + struct rb_node *next = rb_first(&kernel_map->dso->syms); + int kernel_range = 0; + + while (next) { + char *module; + + pos = rb_entry(next, struct symbol, rb_node); + next = rb_next(&pos->rb_node); + + module = strchr(pos->name, '\t'); + if (module) { if (!use_modules) - continue; - *module = '\0'; - module = strchr(module + 1, '['); - if (!module) - continue; - module_name_end = strchr(module + 1, ']'); - if (!module_name_end) - continue; - *(module_name_end + 1) = '\0'; + goto delete_symbol; + + *module++ = '\0'; + if (strcmp(map->dso->name, module)) { map = kernel_maps__find_by_dso_name(module); if (!map) { @@ -263,50 +313,77 @@ static int maps__load_kallsyms(symbol_filter_t filter, int use_modules, int v) return -1; } } - start = map->map_ip(map, start); - } else - map = kernel_map; - /* - * Well fix up the end later, when we have all sorted. - */ - sym = symbol__new(start, 0, symbol_name, - map->dso->sym_priv_size, v); + /* + * So that we look just like we get from .ko files, + * i.e. not prelinked, relative to map->start. + */ + pos->start = map->map_ip(map, pos->start); + pos->end = map->map_ip(map, pos->end); + } else if (map != kernel_map) { + char dso_name[PATH_MAX]; + struct dso *dso; + + snprintf(dso_name, sizeof(dso_name), "[kernel].%d", + kernel_range++); + + dso = dso__new(dso_name, + kernel_map->dso->sym_priv_size); + if (dso == NULL) + return -1; + + map = map__new2(pos->start, dso); + if (map == NULL) { + dso__delete(dso); + return -1; + } - if (sym == NULL) - goto out_delete_line; + map->map_ip = vdso__map_ip; + kernel_maps__insert(map); + ++kernel_range; + } - if (filter && filter(map, sym)) - symbol__delete(sym, map->dso->sym_priv_size); - else { - dso__insert_symbol(map->dso, sym); + if (filter && filter(map, pos)) { +delete_symbol: + rb_erase(&pos->rb_node, &kernel_map->dso->syms); + symbol__delete(pos, kernel_map->dso->sym_priv_size); + } else { + if (map != kernel_map) { + rb_erase(&pos->rb_node, &kernel_map->dso->syms); + dso__insert_symbol(map->dso, pos); + } count++; } } - free(line); - fclose(file); - return count; +} -out_delete_line: - free(line); -out_failure: - return -1; + +static int kernel_maps__load_kallsyms(symbol_filter_t filter, + int use_modules, int v) +{ + if (kernel_maps__load_all_kallsyms(v)) + return -1; + + dso__fixup_sym_end(kernel_map->dso); + + return kernel_maps__split_kallsyms(filter, use_modules); } -static size_t kernel_maps__fprintf(FILE *fp) +static size_t kernel_maps__fprintf(FILE *fp, int v) { size_t printed = fprintf(stderr, "Kernel maps:\n"); struct rb_node *nd; - printed += map__fprintf(kernel_map, fp); - printed += dso__fprintf(kernel_map->dso, fp); - for (nd = rb_first(&kernel_maps); nd; nd = rb_next(nd)) { struct map *pos = rb_entry(nd, struct map, rb_node); + printed += fprintf(fp, "Map:"); printed += map__fprintf(pos, fp); - printed += dso__fprintf(pos->dso, fp); + if (v > 1) { + printed += dso__fprintf(pos->dso, fp); + printed += fprintf(fp, "--\n"); + } } return printed + fprintf(stderr, "END kernel maps\n"); @@ -594,6 +671,9 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, int fd, symbol_filter_t filter, int kernel, int kmodule, int v) { + struct map *curr_map = map; + struct dso *curr_dso = self; + size_t dso_name_len = strlen(self->short_name); Elf_Data *symstrs, *secstrs; uint32_t nr_syms; int err = -1; @@ -660,10 +740,9 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, elf_symtab__for_each_symbol(syms, nr_syms, idx, sym) { struct symbol *f; const char *elf_name; - char *demangled; + char *demangled = NULL; int is_label = elf_sym__is_label(&sym); const char *section_name; - u64 sh_offset = 0; if (!is_label && !elf_sym__is_function(&sym)) continue; @@ -677,14 +756,51 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, if (is_label && !elf_sec__is_text(&shdr, secstrs)) continue; + elf_name = elf_sym__name(&sym, symstrs); section_name = elf_sec__name(&shdr, secstrs); - if ((kernel || kmodule)) { - if (strstr(section_name, ".init")) - sh_offset = shdr.sh_offset; + if (kernel || kmodule) { + char dso_name[PATH_MAX]; + + if (strcmp(section_name, + curr_dso->short_name + dso_name_len) == 0) + goto new_symbol; + + if (strcmp(section_name, ".text") == 0) { + curr_map = map; + curr_dso = self; + goto new_symbol; + } + + snprintf(dso_name, sizeof(dso_name), + "%s%s", self->short_name, section_name); + + curr_map = kernel_maps__find_by_dso_name(dso_name); + if (curr_map == NULL) { + u64 start = sym.st_value; + + if (kmodule) + start += map->start + shdr.sh_offset; + + curr_dso = dso__new(dso_name, self->sym_priv_size); + if (curr_dso == NULL) + goto out_elf_end; + curr_map = map__new2(start, curr_dso); + if (curr_map == NULL) { + dso__delete(curr_dso); + goto out_elf_end; + } + curr_map->map_ip = vdso__map_ip; + curr_dso->origin = DSO__ORIG_KERNEL; + kernel_maps__insert(curr_map); + dsos__add(curr_dso); + } else + curr_dso = curr_map->dso; + + goto new_symbol; } - if (self->adjust_symbols) { + if (curr_dso->adjust_symbols) { if (v > 2) printf("adjusting symbol: st_value: %Lx sh_addr: %Lx sh_offset: %Lx\n", (u64)sym.st_value, (u64)shdr.sh_addr, (u64)shdr.sh_offset); @@ -696,25 +812,29 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, * DWARF DW_compile_unit has this, but we don't always have access * to it... */ - elf_name = elf_sym__name(&sym, symstrs); demangled = bfd_demangle(NULL, elf_name, DMGL_PARAMS | DMGL_ANSI); if (demangled != NULL) elf_name = demangled; - - f = symbol__new(sym.st_value + sh_offset, sym.st_size, elf_name, - self->sym_priv_size, v); +new_symbol: + f = symbol__new(sym.st_value, sym.st_size, elf_name, + curr_dso->sym_priv_size, v); free(demangled); if (!f) goto out_elf_end; - if (filter && filter(map, f)) - symbol__delete(f, self->sym_priv_size); + if (filter && filter(curr_map, f)) + symbol__delete(f, curr_dso->sym_priv_size); else { - dso__insert_symbol(self, f); + dso__insert_symbol(curr_dso, f); nr++; } } + /* + * For misannotated, zeroed, ASM function sizes. + */ + if (nr > 0) + dso__fixup_sym_end(self); err = nr; out_elf_end: elf_end(elf); @@ -883,27 +1003,17 @@ static void kernel_maps__insert(struct map *map) struct symbol *kernel_maps__find_symbol(u64 ip, struct map **mapp) { - /* - * We can't have kernel_map in kernel_maps because it spans an address - * space that includes the modules. The right way to fix this is to - * create several maps, so that we don't have overlapping ranges with - * modules. For now lets look first on the kernel dso. - */ struct map *map = maps__find(&kernel_maps, ip); - struct symbol *sym; + + if (mapp) + *mapp = map; if (map) { ip = map->map_ip(map, ip); - sym = map->dso->find_symbol(map->dso, ip); - } else { - map = kernel_map; - sym = map->dso->find_symbol(map->dso, ip); + return map->dso->find_symbol(map->dso, ip); } - if (mapp) - *mapp = map; - - return sym; + return NULL; } struct map *kernel_maps__find_by_dso_name(const char *name) @@ -994,6 +1104,14 @@ static int dsos__load_modules_sym_dir(char *dirname, last = rb_last(&map->dso->syms); if (last) { struct symbol *sym; + /* + * We do this here as well, even having the + * symbol size found in the symtab because + * misannotated ASM symbols may have the size + * set to zero. + */ + dso__fixup_sym_end(map->dso); + sym = rb_entry(last, struct symbol, rb_node); map->end = map->start + sym->end; } @@ -1163,17 +1281,11 @@ int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size, } if (err <= 0) - err = maps__load_kallsyms(filter, use_modules, v); + err = kernel_maps__load_kallsyms(filter, use_modules, v); if (err > 0) { struct rb_node *node = rb_first(&dso->syms); struct symbol *sym = rb_entry(node, struct symbol, rb_node); - /* - * Now that we have all sorted out, just set the ->end of all - * symbols that still don't have it. - */ - dso__set_symbols_end(dso); - kernel_maps__fixup_sym_end(); kernel_map->start = sym->start; node = rb_last(&dso->syms); @@ -1181,14 +1293,16 @@ int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size, kernel_map->end = sym->end; dso->origin = DSO__ORIG_KERNEL; + kernel_maps__insert(kernel_map); /* - * XXX See kernel_maps__find_symbol comment - * kernel_maps__insert(kernel_map) + * Now that we have all sorted out, just set the ->end of all + * maps: */ + kernel_maps__fixup_end(); dsos__add(dso); if (v > 0) - kernel_maps__fprintf(stderr); + kernel_maps__fprintf(stderr, v); } return err; -- cgit v1.2.3 From 97ea1a7fa62af0d8d49a0fc12796b0073537c9d8 Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Thu, 8 Oct 2009 21:04:17 +0200 Subject: perf tools: Fix thread comm resolution in perf sched This reverts commit 9a92b479b2f088ee2d3194243f4c8e59b1b8c9c2 ("perf tools: Improve thread comm resolution in perf sched") and fixes the real bug. The bug was elsewhere: We are failing to resolve thread names in perf sched because the table of threads we are building, on top of comm events, has a per process granularity. But perf sched, unlike the other perf tools, needs a per thread granularity as we are profiling every tasks individually. So fix it by building our threads table using the tid instead of the pid as the thread identifier. v2: Revert the previous fix - it is not really needed Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Mike Galbraith Cc: Paul Mackerras LKML-Reference: <1255028657-11158-1-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar --- tools/perf/builtin-sched.c | 46 ++++++---------------------------------------- tools/perf/util/thread.c | 32 +++++++------------------------- tools/perf/util/thread.h | 3 --- 3 files changed, 13 insertions(+), 68 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 25b91e78433..6b00529ce34 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -638,7 +638,7 @@ process_comm_event(event_t *event, unsigned long offset, unsigned long head) { struct thread *thread; - thread = threads__findnew(event->comm.pid, &threads, &last_match); + thread = threads__findnew(event->comm.tid, &threads, &last_match); dump_printf("%p [%p]: perf_event_comm: %s:%d\n", (void *)(offset + head), @@ -1034,36 +1034,6 @@ add_sched_in_event(struct work_atoms *atoms, u64 timestamp) atoms->nb_atoms++; } -static struct thread * -threads__findnew_from_ctx(u32 pid, struct trace_switch_event *switch_event) -{ - struct thread *th; - - th = threads__findnew_nocomm(pid, &threads, &last_match); - if (th->comm) - return th; - - if (pid == switch_event->prev_pid) - thread__set_comm(th, switch_event->prev_comm); - else - thread__set_comm(th, switch_event->next_comm); - return th; -} - -static struct thread * -threads__findnew_from_wakeup(struct trace_wakeup_event *wakeup_event) -{ - struct thread *th; - - th = threads__findnew_nocomm(wakeup_event->pid, &threads, &last_match); - if (th->comm) - return th; - - thread__set_comm(th, wakeup_event->comm); - - return th; -} - static void latency_switch_event(struct trace_switch_event *switch_event, struct event *event __used, @@ -1089,10 +1059,8 @@ latency_switch_event(struct trace_switch_event *switch_event, die("hm, delta: %Ld < 0 ?\n", delta); - sched_out = threads__findnew_from_ctx(switch_event->prev_pid, - switch_event); - sched_in = threads__findnew_from_ctx(switch_event->next_pid, - switch_event); + sched_out = threads__findnew(switch_event->prev_pid, &threads, &last_match); + sched_in = threads__findnew(switch_event->next_pid, &threads, &last_match); out_events = thread_atoms_search(&atom_root, sched_out, &cmp_pid); if (!out_events) { @@ -1158,7 +1126,7 @@ latency_wakeup_event(struct trace_wakeup_event *wakeup_event, if (!wakeup_event->success) return; - wakee = threads__findnew_from_wakeup(wakeup_event); + wakee = threads__findnew(wakeup_event->pid, &threads, &last_match); atoms = thread_atoms_search(&atom_root, wakee, &cmp_pid); if (!atoms) { thread_atoms_insert(wakee); @@ -1418,10 +1386,8 @@ map_switch_event(struct trace_switch_event *switch_event, die("hm, delta: %Ld < 0 ?\n", delta); - sched_out = threads__findnew_from_ctx(switch_event->prev_pid, - switch_event); - sched_in = threads__findnew_from_ctx(switch_event->next_pid, - switch_event); + sched_out = threads__findnew(switch_event->prev_pid, &threads, &last_match); + sched_in = threads__findnew(switch_event->next_pid, &threads, &last_match); curr_thread[this_cpu] = sched_in; diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 8bd5ca2d2f2..3b56aebb1f4 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -6,17 +6,15 @@ #include "util.h" #include "debug.h" -static struct thread *thread__new(pid_t pid, int set_comm) +static struct thread *thread__new(pid_t pid) { struct thread *self = calloc(1, sizeof(*self)); if (self != NULL) { self->pid = pid; - if (set_comm) { - self->comm = malloc(32); - if (self->comm) - snprintf(self->comm, 32, ":%d", self->pid); - } + self->comm = malloc(32); + if (self->comm) + snprintf(self->comm, 32, ":%d", self->pid); self->maps = RB_ROOT; INIT_LIST_HEAD(&self->removed_maps); } @@ -52,10 +50,8 @@ static size_t thread__fprintf(struct thread *self, FILE *fp) return ret; } -static struct thread * -__threads__findnew(pid_t pid, struct rb_root *threads, - struct thread **last_match, - int set_comm) +struct thread * +threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match) { struct rb_node **p = &threads->rb_node; struct rb_node *parent = NULL; @@ -84,8 +80,7 @@ __threads__findnew(pid_t pid, struct rb_root *threads, p = &(*p)->rb_right; } - th = thread__new(pid, set_comm); - + th = thread__new(pid); if (th != NULL) { rb_link_node(&th->rb_node, parent, p); rb_insert_color(&th->rb_node, threads); @@ -95,19 +90,6 @@ __threads__findnew(pid_t pid, struct rb_root *threads, return th; } -struct thread * -threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match) -{ - return __threads__findnew(pid, threads, last_match, 1); -} - -struct thread * -threads__findnew_nocomm(pid_t pid, struct rb_root *threads, - struct thread **last_match) -{ - return __threads__findnew(pid, threads, last_match, 0); -} - struct thread * register_idle_thread(struct rb_root *threads, struct thread **last_match) { diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h index 75bc843950c..845d9b62f96 100644 --- a/tools/perf/util/thread.h +++ b/tools/perf/util/thread.h @@ -18,9 +18,6 @@ int thread__set_comm(struct thread *self, const char *comm); struct thread * threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match); struct thread * -threads__findnew_nocomm(pid_t pid, struct rb_root *threads, - struct thread **last_match); -struct thread * register_idle_thread(struct rb_root *threads, struct thread **last_match); void thread__insert_map(struct thread *self, struct map *map); int thread__fork(struct thread *self, struct thread *parent); -- cgit v1.2.3 From 26dd2cb074d9dc41c9e3cddd7bf175fd0a41febc Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Thu, 8 Oct 2009 22:07:29 +0200 Subject: perf tools: Provide backward compatibility with previous perf.data version We have merged the trace.info file into perf.data by adding one section in the perf headers. This makes it incompatible with previous version: the new perf tools can't read the older perf.data. To support the previous format, we check the headers size. If they have the same size than in the previous format, then ignore the trace info section that doesn't exist. Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Mike Galbraith Cc: Paul Mackerras LKML-Reference: <1255032449-12022-1-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar --- tools/perf/util/header.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'tools') diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 212fade7ee7..9aae360c0f2 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -287,10 +287,16 @@ struct perf_header *perf_header__read(int fd) do_read(fd, &f_header, sizeof(f_header)); if (f_header.magic != PERF_MAGIC || - f_header.size != sizeof(f_header) || f_header.attr_size != sizeof(f_attr)) die("incompatible file format"); + if (f_header.size != sizeof(f_header)) { + /* Support the previous format */ + if (f_header.size == offsetof(typeof(f_header), trace_info)) + f_header.trace_info.size = 0; + else + die("incompatible file format"); + } nr_attrs = f_header.attrs.size / sizeof(f_attr); lseek(fd, f_header.attrs.offset, SEEK_SET); -- cgit v1.2.3 From 7e4ff9e3e8f88de8a8536f43294cd32b4e7d9123 Mon Sep 17 00:00:00 2001 From: Mike Galbraith Date: Mon, 12 Oct 2009 07:56:03 +0200 Subject: perf tools: Fix counter sample frequency breakage Commit 42e59d7d19dc4b4 switched to a default sample frequency of 1KHz, which overrides any user supplied count, causing sched, top and timechart to miss events due to their discrete events being flagged PERF_SAMPLE_PERIOD. Override default sample frequency when the user profides a period count, and make both record and top honor that user supplied option. Signed-off-by: Mike Galbraith Cc: Peter Zijlstra Cc: Arjan van de Ven LKML-Reference: <1255326963.15107.2.camel@marge.simson.net> Signed-off-by: Ingo Molnar --- tools/perf/builtin-record.c | 14 +++++++++++++- tools/perf/builtin-top.c | 28 +++++++++++++++++++++------- 2 files changed, 34 insertions(+), 8 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 59af03d80d0..4e3a374e7aa 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -26,7 +26,7 @@ static int fd[MAX_NR_CPUS][MAX_COUNTERS]; -static long default_interval = 100000; +static long default_interval = 0; static int nr_cpus = 0; static unsigned int page_size; @@ -730,6 +730,18 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) attrs[0].config = PERF_COUNT_HW_CPU_CYCLES; } + /* + * User specified count overrides default frequency. + */ + if (default_interval) + freq = 0; + else if (freq) { + default_interval = freq; + } else { + fprintf(stderr, "frequency and count are zero, aborting\n"); + exit(EXIT_FAILURE); + } + for (counter = 0; counter < nr_counters; counter++) { if (attrs[counter].sample_period) continue; diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index d978dc99236..c0f69e80b2c 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -57,7 +57,7 @@ static int fd[MAX_NR_CPUS][MAX_COUNTERS]; static int system_wide = 0; -static int default_interval = 100000; +static int default_interval = 0; static int count_filter = 5; static int print_entries = 15; @@ -975,7 +975,13 @@ static void start_counter(int i, int counter) attr = attrs + counter; attr->sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID; - attr->freq = freq; + + if (freq) { + attr->sample_type |= PERF_SAMPLE_PERIOD; + attr->freq = 1; + attr->sample_freq = freq; + } + attr->inherit = (cpu < 0) && inherit; try_again: @@ -1130,11 +1136,6 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) if (argc) usage_with_options(top_usage, options); - if (freq) { - default_interval = freq; - freq = 1; - } - /* CPU and PID are mutually exclusive */ if (target_pid != -1 && profile_cpu != -1) { printf("WARNING: PID switch overriding CPU\n"); @@ -1151,6 +1152,19 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) parse_symbols(); parse_source(sym_filter_entry); + + /* + * User specified count overrides default frequency. + */ + if (default_interval) + freq = 0; + else if (freq) { + default_interval = freq; + } else { + fprintf(stderr, "frequency and count are zero, aborting\n"); + exit(EXIT_FAILURE); + } + /* * Fill in the ones not specifically initialized via -c: */ -- cgit v1.2.3 From 55ffb7a6bd45d0083ffb132381cb46964a4afe01 Mon Sep 17 00:00:00 2001 From: Mike Galbraith Date: Sat, 10 Oct 2009 14:46:04 +0200 Subject: perf sched: Add -C option to measure on a specific CPU To refresh, trying to sched record only one CPU results in bogus latencies as below. I fixed^Wmade it stop doing the bad thing today, by following task migration events properly. Before: marge:/root/tmp # taskset -c 1 perf sched record -C 0 -- sleep 10 marge:/root/tmp # perf sched lat ----------------------------------------------------------------------------------------- Task | Runtime ms | Switches | Average delay ms | Maximum delay ms | ----------------------------------------------------------------------------------------- Xorg:4943 | 1.290 ms | 1 | avg: 1670.132 ms | max: 1670.132 ms | hald-addon-stor:3569 | 0.091 ms | 3 | avg: 658.609 ms | max: 1975.797 ms | hald-addon-stor:3573 | 0.209 ms | 4 | avg: 499.138 ms | max: 1990.565 ms | audispd:4270 | 0.012 ms | 1 | avg: 0.015 ms | max: 0.015 ms | .... marge:/root/tmp # perf sched trace|grep 'Xorg:4943' swapper-0 [000] 401.184013288: sched_stat_runtime: task: Xorg:4943 runtime: 1233188 [ns], vruntime: 19105169779 [ns] rt2870TimerQHan-4947 [000] 402.854140127: sched_stat_wait: task: Xorg:4943 wait: 580073 [ns] rt2870TimerQHan-4947 [000] 402.854141770: sched_migrate_task: task Xorg:4943 [140] from: 1 to: 0 rt2870TimerQHan-4947 [000] 402.854143854: sched_stat_wait: task: Xorg:4943 wait: 0 [ns] rt2870TimerQHan-4947 [000] 402.854145397: sched_switch: task rt2870TimerQHan:4947 [140] (D) ==> Xorg:4943 [140] Xorg-4943 [000] 402.854193133: sched_stat_runtime: task: Xorg:4943 runtime: 56546 [ns], vruntime: 11766332500 [ns] Xorg-4943 [000] 402.854196842: sched_switch: task Xorg:4943 [140] (S) ==> swapper:0 [140] After: marge:/root/tmp # taskset -c 1 perf sched record -C 0 -- sleep 10 marge:/root/tmp # perf sched lat ----------------------------------------------------------------------------------------- Task | Runtime ms | Switches | Average delay ms | Maximum delay ms | ----------------------------------------------------------------------------------------- amarokapp:11150 | 271.297 ms | 878 | avg: 0.130 ms | max: 1.057 ms | konsole:5965 | 1.370 ms | 12 | avg: 0.092 ms | max: 0.855 ms | Xorg:4943 | 179.980 ms | 1109 | avg: 0.087 ms | max: 1.206 ms | hald-addon-stor:3574 | 0.212 ms | 9 | avg: 0.040 ms | max: 0.169 ms | hald-addon-stor:3570 | 0.223 ms | 9 | avg: 0.037 ms | max: 0.223 ms | klauncher:5864 | 0.550 ms | 8 | avg: 0.032 ms | max: 0.048 ms | The 'Maximum delay ms' results are now sane. Signed-off-by: Mike Galbraith LKML-Reference: Signed-off-by: Ingo Molnar --- tools/perf/builtin-sched.c | 101 ++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 100 insertions(+), 1 deletion(-) (limited to 'tools') diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 6b00529ce34..387a4423436 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -33,6 +33,8 @@ static u64 sample_type; static char default_sort_order[] = "avg, max, switch, runtime"; static char *sort_order = default_sort_order; +static int profile_cpu = -1; + static char *cwd; static int cwdlen; @@ -75,6 +77,7 @@ enum sched_event_type { SCHED_EVENT_RUN, SCHED_EVENT_SLEEP, SCHED_EVENT_WAKEUP, + SCHED_EVENT_MIGRATION, }; struct sched_atom { @@ -399,6 +402,8 @@ process_sched_event(struct task_desc *this_task __used, struct sched_atom *atom) ret = sem_post(atom->wait_sem); BUG_ON(ret); break; + case SCHED_EVENT_MIGRATION: + break; default: BUG_ON(1); } @@ -746,6 +751,22 @@ struct trace_fork_event { u32 child_pid; }; +struct trace_migrate_task_event { + u32 size; + + u16 common_type; + u8 common_flags; + u8 common_preempt_count; + u32 common_pid; + u32 common_tgid; + + char comm[16]; + u32 pid; + + u32 prio; + u32 cpu; +}; + struct trace_sched_handler { void (*switch_event)(struct trace_switch_event *, struct event *, @@ -770,6 +791,12 @@ struct trace_sched_handler { int cpu, u64 timestamp, struct thread *thread); + + void (*migrate_task_event)(struct trace_migrate_task_event *, + struct event *, + int cpu, + u64 timestamp, + struct thread *thread); }; @@ -1140,7 +1167,12 @@ latency_wakeup_event(struct trace_wakeup_event *wakeup_event, atom = list_entry(atoms->work_list.prev, struct work_atom, list); - if (atom->state != THREAD_SLEEPING) + /* + * You WILL be missing events if you've recorded only + * one CPU, or are only looking at only one, so don't + * make useless noise. + */ + if (profile_cpu == -1 && atom->state != THREAD_SLEEPING) nr_state_machine_bugs++; nr_timestamps++; @@ -1153,11 +1185,51 @@ latency_wakeup_event(struct trace_wakeup_event *wakeup_event, atom->wake_up_time = timestamp; } +static void +latency_migrate_task_event(struct trace_migrate_task_event *migrate_task_event, + struct event *__event __used, + int cpu __used, + u64 timestamp, + struct thread *thread __used) +{ + struct work_atoms *atoms; + struct work_atom *atom; + struct thread *migrant; + + /* + * Only need to worry about migration when profiling one CPU. + */ + if (profile_cpu == -1) + return; + + migrant = threads__findnew(migrate_task_event->pid, &threads, &last_match); + atoms = thread_atoms_search(&atom_root, migrant, &cmp_pid); + if (!atoms) { + thread_atoms_insert(migrant); + register_pid(migrant->pid, migrant->comm); + atoms = thread_atoms_search(&atom_root, migrant, &cmp_pid); + if (!atoms) + die("migration-event: Internal tree error"); + add_sched_out_event(atoms, 'R', timestamp); + } + + BUG_ON(list_empty(&atoms->work_list)); + + atom = list_entry(atoms->work_list.prev, struct work_atom, list); + atom->sched_in_time = atom->sched_out_time = atom->wake_up_time = timestamp; + + nr_timestamps++; + + if (atom->sched_out_time > timestamp) + nr_unordered_timestamps++; +} + static struct trace_sched_handler lat_ops = { .wakeup_event = latency_wakeup_event, .switch_event = latency_switch_event, .runtime_event = latency_runtime_event, .fork_event = latency_fork_event, + .migrate_task_event = latency_migrate_task_event, }; static void output_lat_thread(struct work_atoms *work_list) @@ -1517,6 +1589,26 @@ process_sched_exit_event(struct event *event, printf("sched_exit event %p\n", event); } +static void +process_sched_migrate_task_event(struct raw_event_sample *raw, + struct event *event, + int cpu __used, + u64 timestamp __used, + struct thread *thread __used) +{ + struct trace_migrate_task_event migrate_task_event; + + FILL_COMMON_FIELDS(migrate_task_event, event, raw->data); + + FILL_ARRAY(migrate_task_event, comm, event, raw->data); + FILL_FIELD(migrate_task_event, pid, event, raw->data); + FILL_FIELD(migrate_task_event, prio, event, raw->data); + FILL_FIELD(migrate_task_event, cpu, event, raw->data); + + if (trace_handler->migrate_task_event) + trace_handler->migrate_task_event(&migrate_task_event, event, cpu, timestamp, thread); +} + static void process_raw_event(event_t *raw_event __used, void *more_data, int cpu, u64 timestamp, struct thread *thread) @@ -1540,6 +1632,8 @@ process_raw_event(event_t *raw_event __used, void *more_data, process_sched_fork_event(raw, event, cpu, timestamp, thread); if (!strcmp(event->name, "sched_process_exit")) process_sched_exit_event(event, cpu, timestamp, thread); + if (!strcmp(event->name, "sched_migrate_task")) + process_sched_migrate_task_event(raw, event, cpu, timestamp, thread); } static int @@ -1589,6 +1683,9 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) return -1; } + if (profile_cpu != -1 && profile_cpu != (int) cpu) + return 0; + process_raw_event(event, more_data, cpu, timestamp, thread); return 0; @@ -1771,6 +1868,8 @@ static const struct option latency_options[] = { "sort by key(s): runtime, switch, avg, max"), OPT_BOOLEAN('v', "verbose", &verbose, "be more verbose (show symbol address, etc)"), + OPT_INTEGER('C', "CPU", &profile_cpu, + "CPU to profile on"), OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, "dump raw trace in ASCII"), OPT_END() -- cgit v1.2.3 From cfed95a693e1ea5d08b9c9019bc30e448437ee2f Mon Sep 17 00:00:00 2001 From: Vincent Legoll Date: Tue, 13 Oct 2009 10:18:16 +0200 Subject: perf tools: Do not manually count string lengths Use strlen & macros instead of manually counting string lengths as this is error prone and may lend to bugs. Signed-off-by: Vincent Legoll Cc: Linus Torvalds LKML-Reference: <4727185d0910130118m5387058dndb02ac9b384af9f0@mail.gmail.com> Signed-off-by: Ingo Molnar --- tools/perf/perf.c | 16 ++++++++-------- tools/perf/util/cache.h | 5 +++++ 2 files changed, 13 insertions(+), 8 deletions(-) (limited to 'tools') diff --git a/tools/perf/perf.c b/tools/perf/perf.c index 19fc7feb9d5..624e62d9d1e 100644 --- a/tools/perf/perf.c +++ b/tools/perf/perf.c @@ -89,8 +89,8 @@ static int handle_options(const char*** argv, int* argc, int* envchanged) /* * Check remaining flags. */ - if (!prefixcmp(cmd, "--exec-path")) { - cmd += 11; + if (!prefixcmp(cmd, CMD_EXEC_PATH)) { + cmd += strlen(CMD_EXEC_PATH); if (*cmd == '=') perf_set_argv_exec_path(cmd + 1); else { @@ -117,8 +117,8 @@ static int handle_options(const char*** argv, int* argc, int* envchanged) (*argv)++; (*argc)--; handled++; - } else if (!prefixcmp(cmd, "--perf-dir=")) { - setenv(PERF_DIR_ENVIRONMENT, cmd + 10, 1); + } else if (!prefixcmp(cmd, CMD_PERF_DIR)) { + setenv(PERF_DIR_ENVIRONMENT, cmd + strlen(CMD_PERF_DIR), 1); if (envchanged) *envchanged = 1; } else if (!strcmp(cmd, "--work-tree")) { @@ -131,8 +131,8 @@ static int handle_options(const char*** argv, int* argc, int* envchanged) *envchanged = 1; (*argv)++; (*argc)--; - } else if (!prefixcmp(cmd, "--work-tree=")) { - setenv(PERF_WORK_TREE_ENVIRONMENT, cmd + 12, 1); + } else if (!prefixcmp(cmd, CMD_WORK_TREE)) { + setenv(PERF_WORK_TREE_ENVIRONMENT, cmd + strlen(CMD_WORK_TREE), 1); if (envchanged) *envchanged = 1; } else if (!strcmp(cmd, "--debugfs-dir")) { @@ -146,8 +146,8 @@ static int handle_options(const char*** argv, int* argc, int* envchanged) *envchanged = 1; (*argv)++; (*argc)--; - } else if (!prefixcmp(cmd, "--debugfs-dir=")) { - strncpy(debugfs_mntpt, cmd + 14, MAXPATHLEN); + } else if (!prefixcmp(cmd, CMD_DEBUGFS_DIR)) { + strncpy(debugfs_mntpt, cmd + strlen(CMD_DEBUGFS_DIR), MAXPATHLEN); debugfs_mntpt[MAXPATHLEN - 1] = '\0'; if (envchanged) *envchanged = 1; diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h index f26172c0c91..918eb376abe 100644 --- a/tools/perf/util/cache.h +++ b/tools/perf/util/cache.h @@ -5,6 +5,11 @@ #include "strbuf.h" #include "../perf.h" +#define CMD_EXEC_PATH "--exec-path" +#define CMD_PERF_DIR "--perf-dir=" +#define CMD_WORK_TREE "--work-tree=" +#define CMD_DEBUGFS_DIR "--debugfs-dir=" + #define PERF_DIR_ENVIRONMENT "PERF_DIR" #define PERF_WORK_TREE_ENVIRONMENT "PERF_WORK_TREE" #define DEFAULT_PERF_DIR_ENVIRONMENT ".perf" -- cgit v1.2.3 From f4f0b418188cc7995375acbb54e87c80f21861bd Mon Sep 17 00:00:00 2001 From: Mike Galbraith Date: Tue, 13 Oct 2009 14:57:20 +0200 Subject: perf tools: Remove expensive old debug code from perf top Calling gettimeofday() at high frequency is painful for handicapped boxen. The spot calling gettimeofday() is old unneeded debug code, so remove it. Reported-by: Ingo Molnar Signed-off-by: Mike Galbraith Cc: Peter Zijlstra Cc: Peter Zijlstra LKML-Reference: <1255438640.7173.1.camel@marge.simson.net> Signed-off-by: Ingo Molnar --- tools/perf/builtin-top.c | 15 +-------------- 1 file changed, 1 insertion(+), 14 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index c0f69e80b2c..2d8806bac25 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -870,8 +870,6 @@ static unsigned int mmap_read_head(struct mmap_data *md) return head; } -struct timeval last_read, this_read; - static void mmap_read_counter(struct mmap_data *md) { unsigned int head = mmap_read_head(md); @@ -879,8 +877,6 @@ static void mmap_read_counter(struct mmap_data *md) unsigned char *data = md->base + page_size; int diff; - gettimeofday(&this_read, NULL); - /* * If we're further behind than half the buffer, there's a chance * the writer will bite our tail and mess up the samples under us. @@ -891,14 +887,7 @@ static void mmap_read_counter(struct mmap_data *md) */ diff = head - old; if (diff > md->mask / 2 || diff < 0) { - struct timeval iv; - unsigned long msecs; - - timersub(&this_read, &last_read, &iv); - msecs = iv.tv_sec*1000 + iv.tv_usec/1000; - - fprintf(stderr, "WARNING: failed to keep up with mmap data." - " Last read %lu msecs ago.\n", msecs); + fprintf(stderr, "WARNING: failed to keep up with mmap data.\n"); /* * head points to a known good entry, start there. @@ -906,8 +895,6 @@ static void mmap_read_counter(struct mmap_data *md) old = head; } - last_read = this_read; - for (; old != head;) { event_t *event = (event_t *)&data[old & md->mask]; -- cgit v1.2.3 From d5b889f2ecec7849e851ddd31c34bdfb3482b5de Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Tue, 13 Oct 2009 11:16:29 -0300 Subject: perf tools: Move threads & last_match to threads.c This was just being copy'n'pasted all over. Signed-off-by: Arnaldo Carvalho de Melo Cc: Frederic Weisbecker Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Mike Galbraith LKML-Reference: <20091013141629.GD21809@ghostprotocols.net> Signed-off-by: Ingo Molnar --- tools/perf/builtin-annotate.c | 25 +++++++------------------ tools/perf/builtin-report.c | 26 +++++++------------------- tools/perf/builtin-sched.c | 30 +++++++++++------------------- tools/perf/builtin-trace.c | 13 +++---------- tools/perf/util/thread.c | 27 ++++++++++++++------------- tools/perf/util/thread.h | 8 +++----- 6 files changed, 45 insertions(+), 84 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 8c84320ecb0..3fe0de03004 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -37,10 +37,6 @@ static int print_line; static unsigned long page_size; static unsigned long mmap_window = 32; -static struct rb_root threads; -static struct thread *last_match; - - struct sym_ext { struct rb_node node; double percent; @@ -96,12 +92,10 @@ static int process_sample_event(event_t *event, unsigned long offset, unsigned long head) { char level; - struct thread *thread; u64 ip = event->ip.ip; struct map *map = NULL; struct symbol *sym = NULL; - - thread = threads__findnew(event->ip.pid, &threads, &last_match); + struct thread *thread = threads__findnew(event->ip.pid); dump_printf("%p [%p]: PERF_EVENT (IP, %d): %d: %p\n", (void *)(offset + head), @@ -166,10 +160,8 @@ got_map: static int process_mmap_event(event_t *event, unsigned long offset, unsigned long head) { - struct thread *thread; struct map *map = map__new(&event->mmap, NULL, 0); - - thread = threads__findnew(event->mmap.pid, &threads, &last_match); + struct thread *thread = threads__findnew(event->mmap.pid); dump_printf("%p [%p]: PERF_RECORD_MMAP %d: [%p(%p) @ %p]: %s\n", (void *)(offset + head), @@ -194,9 +186,8 @@ process_mmap_event(event_t *event, unsigned long offset, unsigned long head) static int process_comm_event(event_t *event, unsigned long offset, unsigned long head) { - struct thread *thread; + struct thread *thread = threads__findnew(event->comm.pid); - thread = threads__findnew(event->comm.pid, &threads, &last_match); dump_printf("%p [%p]: PERF_RECORD_COMM: %s:%d\n", (void *)(offset + head), (void *)(long)(event->header.size), @@ -215,11 +206,9 @@ process_comm_event(event_t *event, unsigned long offset, unsigned long head) static int process_fork_event(event_t *event, unsigned long offset, unsigned long head) { - struct thread *thread; - struct thread *parent; + struct thread *thread = threads__findnew(event->fork.pid); + struct thread *parent = threads__findnew(event->fork.ppid); - thread = threads__findnew(event->fork.pid, &threads, &last_match); - parent = threads__findnew(event->fork.ppid, &threads, &last_match); dump_printf("%p [%p]: PERF_RECORD_FORK: %d:%d\n", (void *)(offset + head), (void *)(long)(event->header.size), @@ -558,7 +547,7 @@ static int __cmd_annotate(void) uint32_t size; char *buf; - register_idle_thread(&threads, &last_match); + register_idle_thread(); input = open(input_name, O_RDONLY); if (input < 0) { @@ -659,7 +648,7 @@ more: return 0; if (verbose > 3) - threads__fprintf(stdout, &threads); + threads__fprintf(stdout); if (verbose > 2) dsos__fprintf(stdout); diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index f57a23b19f3..015c7974596 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -55,9 +55,6 @@ static char callchain_default_opt[] = "fractal,0.5"; static char *cwd; static int cwdlen; -static struct rb_root threads; -static struct thread *last_match; - static struct perf_header *header; static u64 sample_type; @@ -593,15 +590,13 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) { char level; struct symbol *sym = NULL; - struct thread *thread; u64 ip = event->ip.ip; u64 period = 1; struct map *map = NULL; void *more_data = event->ip.__more_data; struct ip_callchain *chain = NULL; int cpumode; - - thread = threads__findnew(event->ip.pid, &threads, &last_match); + struct thread *thread = threads__findnew(event->ip.pid); if (sample_type & PERF_SAMPLE_PERIOD) { period = *(u64 *)more_data; @@ -685,10 +680,8 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) static int process_mmap_event(event_t *event, unsigned long offset, unsigned long head) { - struct thread *thread; struct map *map = map__new(&event->mmap, cwd, cwdlen); - - thread = threads__findnew(event->mmap.pid, &threads, &last_match); + struct thread *thread = threads__findnew(event->mmap.pid); dump_printf("%p [%p]: PERF_RECORD_MMAP %d/%d: [%p(%p) @ %p]: %s\n", (void *)(offset + head), @@ -714,9 +707,7 @@ process_mmap_event(event_t *event, unsigned long offset, unsigned long head) static int process_comm_event(event_t *event, unsigned long offset, unsigned long head) { - struct thread *thread; - - thread = threads__findnew(event->comm.pid, &threads, &last_match); + struct thread *thread = threads__findnew(event->comm.pid); dump_printf("%p [%p]: PERF_RECORD_COMM: %s:%d\n", (void *)(offset + head), @@ -736,11 +727,8 @@ process_comm_event(event_t *event, unsigned long offset, unsigned long head) static int process_task_event(event_t *event, unsigned long offset, unsigned long head) { - struct thread *thread; - struct thread *parent; - - thread = threads__findnew(event->fork.pid, &threads, &last_match); - parent = threads__findnew(event->fork.ppid, &threads, &last_match); + struct thread *thread = threads__findnew(event->fork.pid); + struct thread *parent = threads__findnew(event->fork.ppid); dump_printf("%p [%p]: PERF_RECORD_%s: (%d:%d):(%d:%d)\n", (void *)(offset + head), @@ -857,7 +845,7 @@ static int __cmd_report(void) struct thread *idle; int ret; - idle = register_idle_thread(&threads, &last_match); + idle = register_idle_thread(); thread__comm_adjust(idle); if (show_threads) @@ -881,7 +869,7 @@ static int __cmd_report(void) return 0; if (verbose > 3) - threads__fprintf(stdout, &threads); + threads__fprintf(stdout); if (verbose > 2) dsos__fprintf(stdout); diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 387a4423436..73bdad02973 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -24,9 +24,6 @@ static char const *input_name = "perf.data"; static unsigned long total_comm = 0; -static struct rb_root threads; -static struct thread *last_match; - static struct perf_header *header; static u64 sample_type; @@ -641,9 +638,7 @@ static void test_calibrations(void) static int process_comm_event(event_t *event, unsigned long offset, unsigned long head) { - struct thread *thread; - - thread = threads__findnew(event->comm.tid, &threads, &last_match); + struct thread *thread = threads__findnew(event->comm.tid); dump_printf("%p [%p]: perf_event_comm: %s:%d\n", (void *)(offset + head), @@ -1086,8 +1081,8 @@ latency_switch_event(struct trace_switch_event *switch_event, die("hm, delta: %Ld < 0 ?\n", delta); - sched_out = threads__findnew(switch_event->prev_pid, &threads, &last_match); - sched_in = threads__findnew(switch_event->next_pid, &threads, &last_match); + sched_out = threads__findnew(switch_event->prev_pid); + sched_in = threads__findnew(switch_event->next_pid); out_events = thread_atoms_search(&atom_root, sched_out, &cmp_pid); if (!out_events) { @@ -1120,13 +1115,10 @@ latency_runtime_event(struct trace_runtime_event *runtime_event, u64 timestamp, struct thread *this_thread __used) { - struct work_atoms *atoms; - struct thread *thread; + struct thread *thread = threads__findnew(runtime_event->pid); + struct work_atoms *atoms = thread_atoms_search(&atom_root, thread, &cmp_pid); BUG_ON(cpu >= MAX_CPUS || cpu < 0); - - thread = threads__findnew(runtime_event->pid, &threads, &last_match); - atoms = thread_atoms_search(&atom_root, thread, &cmp_pid); if (!atoms) { thread_atoms_insert(thread); atoms = thread_atoms_search(&atom_root, thread, &cmp_pid); @@ -1153,7 +1145,7 @@ latency_wakeup_event(struct trace_wakeup_event *wakeup_event, if (!wakeup_event->success) return; - wakee = threads__findnew(wakeup_event->pid, &threads, &last_match); + wakee = threads__findnew(wakeup_event->pid); atoms = thread_atoms_search(&atom_root, wakee, &cmp_pid); if (!atoms) { thread_atoms_insert(wakee); @@ -1202,7 +1194,7 @@ latency_migrate_task_event(struct trace_migrate_task_event *migrate_task_event, if (profile_cpu == -1) return; - migrant = threads__findnew(migrate_task_event->pid, &threads, &last_match); + migrant = threads__findnew(migrate_task_event->pid); atoms = thread_atoms_search(&atom_root, migrant, &cmp_pid); if (!atoms) { thread_atoms_insert(migrant); @@ -1458,8 +1450,8 @@ map_switch_event(struct trace_switch_event *switch_event, die("hm, delta: %Ld < 0 ?\n", delta); - sched_out = threads__findnew(switch_event->prev_pid, &threads, &last_match); - sched_in = threads__findnew(switch_event->next_pid, &threads, &last_match); + sched_out = threads__findnew(switch_event->prev_pid); + sched_in = threads__findnew(switch_event->next_pid); curr_thread[this_cpu] = sched_in; @@ -1649,7 +1641,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) if (!(sample_type & PERF_SAMPLE_RAW)) return 0; - thread = threads__findnew(event->ip.pid, &threads, &last_match); + thread = threads__findnew(event->ip.pid); if (sample_type & PERF_SAMPLE_TIME) { timestamp = *(u64 *)more_data; @@ -1725,7 +1717,7 @@ static struct perf_file_handler file_handler = { static int read_events(void) { - register_idle_thread(&threads, &last_match); + register_idle_thread(); register_perf_file_handler(&file_handler); return mmap_dispatch_perf_file(&header, input_name, 0, 0, &cwdlen, &cwd); diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index fb3f3c22021..ccf867dbab5 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -19,9 +19,6 @@ static char const *input_name = "perf.data"; static unsigned long total = 0; static unsigned long total_comm = 0; -static struct rb_root threads; -static struct thread *last_match; - static struct perf_header *header; static u64 sample_type; @@ -32,9 +29,7 @@ static int cwdlen; static int process_comm_event(event_t *event, unsigned long offset, unsigned long head) { - struct thread *thread; - - thread = threads__findnew(event->comm.pid, &threads, &last_match); + struct thread *thread = threads__findnew(event->comm.pid); dump_printf("%p [%p]: PERF_RECORD_COMM: %s:%d\n", (void *)(offset + head), @@ -54,14 +49,12 @@ process_comm_event(event_t *event, unsigned long offset, unsigned long head) static int process_sample_event(event_t *event, unsigned long offset, unsigned long head) { - struct thread *thread; u64 ip = event->ip.ip; u64 timestamp = -1; u32 cpu = -1; u64 period = 1; void *more_data = event->ip.__more_data; - - thread = threads__findnew(event->ip.pid, &threads, &last_match); + struct thread *thread = threads__findnew(event->ip.pid); if (sample_type & PERF_SAMPLE_TIME) { timestamp = *(u64 *)more_data; @@ -135,7 +128,7 @@ static struct perf_file_handler file_handler = { static int __cmd_trace(void) { - register_idle_thread(&threads, &last_match); + register_idle_thread(); register_perf_file_handler(&file_handler); return mmap_dispatch_perf_file(&header, input_name, 0, 0, &cwdlen, &cwd); diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 3b56aebb1f4..f53fad7c0a8 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -6,6 +6,9 @@ #include "util.h" #include "debug.h" +static struct rb_root threads; +static struct thread *last_match; + static struct thread *thread__new(pid_t pid) { struct thread *self = calloc(1, sizeof(*self)); @@ -50,10 +53,9 @@ static size_t thread__fprintf(struct thread *self, FILE *fp) return ret; } -struct thread * -threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match) +struct thread *threads__findnew(pid_t pid) { - struct rb_node **p = &threads->rb_node; + struct rb_node **p = &threads.rb_node; struct rb_node *parent = NULL; struct thread *th; @@ -62,15 +64,15 @@ threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match) * so most of the time we dont have to look up * the full rbtree: */ - if (*last_match && (*last_match)->pid == pid) - return *last_match; + if (last_match && last_match->pid == pid) + return last_match; while (*p != NULL) { parent = *p; th = rb_entry(parent, struct thread, rb_node); if (th->pid == pid) { - *last_match = th; + last_match = th; return th; } @@ -83,17 +85,16 @@ threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match) th = thread__new(pid); if (th != NULL) { rb_link_node(&th->rb_node, parent, p); - rb_insert_color(&th->rb_node, threads); - *last_match = th; + rb_insert_color(&th->rb_node, &threads); + last_match = th; } return th; } -struct thread * -register_idle_thread(struct rb_root *threads, struct thread **last_match) +struct thread *register_idle_thread(void) { - struct thread *thread = threads__findnew(0, threads, last_match); + struct thread *thread = threads__findnew(0); if (!thread || thread__set_comm(thread, "swapper")) { fprintf(stderr, "problem inserting idle task.\n"); @@ -197,12 +198,12 @@ int thread__fork(struct thread *self, struct thread *parent) return 0; } -size_t threads__fprintf(FILE *fp, struct rb_root *threads) +size_t threads__fprintf(FILE *fp) { size_t ret = 0; struct rb_node *nd; - for (nd = rb_first(threads); nd; nd = rb_next(nd)) { + for (nd = rb_first(&threads); nd; nd = rb_next(nd)) { struct thread *pos = rb_entry(nd, struct thread, rb_node); ret += thread__fprintf(pos, fp); diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h index 845d9b62f96..1abef3b7455 100644 --- a/tools/perf/util/thread.h +++ b/tools/perf/util/thread.h @@ -15,13 +15,11 @@ struct thread { }; int thread__set_comm(struct thread *self, const char *comm); -struct thread * -threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match); -struct thread * -register_idle_thread(struct rb_root *threads, struct thread **last_match); +struct thread *threads__findnew(pid_t pid); +struct thread *register_idle_thread(void); void thread__insert_map(struct thread *self, struct map *map); int thread__fork(struct thread *self, struct thread *parent); -size_t threads__fprintf(FILE *fp, struct rb_root *threads); +size_t threads__fprintf(FILE *fp); void maps__insert(struct rb_root *maps, struct map *map); struct map *maps__find(struct rb_root *maps, u64 ip); -- cgit v1.2.3 From 924a79af2cdee26a034b9bdce8c9c76995b5c901 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 14 Oct 2009 15:43:32 -0400 Subject: perf tools: Handle print concatenations in event format file kmem_alloc ftrace event format had a string that was broken up by two tokens. "string 1" "string 2". This patch lets the parser be able to handle the concatenation. Signed-off-by: Steven Rostedt Cc: Peter Zijlstra Cc: Frederic Weisbecker Cc: Arnaldo Carvalho de Melo LKML-Reference: <20091014194357.253818714@goodmis.org> Signed-off-by: Ingo Molnar --- tools/perf/util/trace-event-parse.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'tools') diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index eef60df7a5b..a05c7144ade 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -1734,6 +1734,7 @@ static int event_read_print(struct event *event) if (read_expect_type(EVENT_DQUOTE, &token) < 0) goto fail; + concat: event->print_fmt.format = token; event->print_fmt.args = NULL; @@ -1743,6 +1744,21 @@ static int event_read_print(struct event *event) if (type == EVENT_NONE) return 0; + /* Handle concatination of print lines */ + if (type == EVENT_DQUOTE) { + char *cat; + + cat = malloc_or_die(strlen(event->print_fmt.format) + + strlen(token) + 1); + strcpy(cat, event->print_fmt.format); + strcat(cat, token); + free_token(token); + free_token(event->print_fmt.format); + event->print_fmt.format = NULL; + token = cat; + goto concat; + } + if (test_type_token(type, token, EVENT_DELIM, (char *)",")) goto fail; -- cgit v1.2.3 From 91ff2bc191827f0d3f5ad0a433ff7df7d2dd9aee Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 14 Oct 2009 15:43:33 -0400 Subject: perf tools: Fix backslash processing on trace print formats The handling of backslashes was broken. It would stop parsing when encountering one. Also, '\n', '\t', '\r' and '\\' were not converted. Signed-off-by: Steven Rostedt Cc: Peter Zijlstra Cc: Frederic Weisbecker Cc: Arnaldo Carvalho de Melo LKML-Reference: <20091014194357.521974680@goodmis.org> Signed-off-by: Ingo Molnar --- tools/perf/util/trace-event-parse.c | 27 +++++++++++++++++++++++++-- 1 file changed, 25 insertions(+), 2 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index a05c7144ade..2b75ec2f57e 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -522,7 +522,10 @@ static enum event_type __read_token(char **tok) last_ch = ch; ch = __read_char(); buf[i++] = ch; - } while (ch != quote_ch && last_ch != '\\'); + /* the '\' '\' will cancel itself */ + if (ch == '\\' && last_ch == '\\') + last_ch = 0; + } while (ch != quote_ch || last_ch == '\\'); /* remove the last quote */ i--; goto out; @@ -2325,7 +2328,27 @@ static void pretty_print(void *data, int size, struct event *event) for (; *ptr; ptr++) { ls = 0; - if (*ptr == '%') { + if (*ptr == '\\') { + ptr++; + switch (*ptr) { + case 'n': + printf("\n"); + break; + case 't': + printf("\t"); + break; + case 'r': + printf("\r"); + break; + case '\\': + printf("\\"); + break; + default: + printf("%c", *ptr); + break; + } + + } else if (*ptr == '%') { saveptr = ptr; show_func = 0; cont_process: -- cgit v1.2.3 From 298ebc3ef2a6c569b3eb51651f04e26aecbf8a1d Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 14 Oct 2009 15:43:34 -0400 Subject: perf tools: Handle trace parsing of < and > The code to handle the '<' and '>' ops was all in place, but they were not in the switch statement to consider them as valid ops. Signed-off-by: Steven Rostedt Cc: Peter Zijlstra Cc: Frederic Weisbecker Cc: Arnaldo Carvalho de Melo LKML-Reference: <20091014194357.807434040@goodmis.org> Signed-off-by: Ingo Molnar --- tools/perf/util/trace-event-parse.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'tools') diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 2b75ec2f57e..3e643f5da20 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -1170,6 +1170,8 @@ process_op(struct event *event, struct print_arg *arg, char **tok) strcmp(token, "*") == 0 || strcmp(token, "^") == 0 || strcmp(token, "/") == 0 || + strcmp(token, "<") == 0 || + strcmp(token, ">") == 0 || strcmp(token, "==") == 0 || strcmp(token, "!=") == 0) { -- cgit v1.2.3 From 0959b8d65ce26131c2d5ccfa518a7b76529280fa Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 14 Oct 2009 15:43:35 -0400 Subject: perf tools: Handle arrays in print fields for trace parsing The array used by the ftrace stack events (caller[x]) causes issues with the parser. This adds code to handle the case, but it also assumes that the array is of type long. Note, this is a special case used (currently) only by the ftrace user and kernel stack records. Signed-off-by: Steven Rostedt Cc: Peter Zijlstra Cc: Frederic Weisbecker Cc: Arnaldo Carvalho de Melo LKML-Reference: <20091014194358.124833639@goodmis.org> Signed-off-by: Ingo Molnar --- tools/perf/util/trace-event-parse.c | 62 +++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) (limited to 'tools') diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 3e643f5da20..7aeedb09ea7 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -1046,6 +1046,35 @@ out_free: return EVENT_ERROR; } +static enum event_type +process_array(struct event *event, struct print_arg *top, char **tok) +{ + struct print_arg *arg; + enum event_type type; + char *token = NULL; + + arg = malloc_or_die(sizeof(*arg)); + memset(arg, 0, sizeof(*arg)); + + *tok = NULL; + type = process_arg(event, arg, &token); + if (test_type_token(type, token, EVENT_OP, (char *)"]")) + goto out_free; + + top->op.right = arg; + + free_token(token); + type = read_token_item(&token); + *tok = token; + + return type; + +out_free: + free_token(*tok); + free_arg(arg); + return EVENT_ERROR; +} + static int get_op_prio(char *op) { if (!op[1]) { @@ -1192,6 +1221,18 @@ process_op(struct event *event, struct print_arg *arg, char **tok) arg->op.right = right; + } else if (strcmp(token, "[") == 0) { + + left = malloc_or_die(sizeof(*left)); + *left = *arg; + + arg->type = PRINT_OP; + arg->op.op = token; + arg->op.left = left; + + arg->op.prio = 0; + type = process_array(event, arg, tok); + } else { die("unknown op '%s'", token); /* the arg is now the left side */ @@ -1931,6 +1972,7 @@ static unsigned long long eval_num_arg(void *data, int size, { unsigned long long val = 0; unsigned long long left, right; + struct print_arg *larg; switch (arg->type) { case PRINT_NULL: @@ -1957,6 +1999,26 @@ static unsigned long long eval_num_arg(void *data, int size, return 0; break; case PRINT_OP: + if (strcmp(arg->op.op, "[") == 0) { + /* + * Arrays are special, since we don't want + * to read the arg as is. + */ + if (arg->op.left->type != PRINT_FIELD) + goto default_op; /* oops, all bets off */ + larg = arg->op.left; + if (!larg->field.field) { + larg->field.field = + find_any_field(event, larg->field.name); + if (!larg->field.field) + die("field %s not found", larg->field.name); + } + right = eval_num_arg(data, size, event, arg->op.right); + val = read_size(data + larg->field.field->offset + + right * long_size, long_size); + break; + } + default_op: left = eval_num_arg(data, size, event, arg->op.left); right = eval_num_arg(data, size, event, arg->op.right); switch (arg->op.op[0]) { -- cgit v1.2.3 From b99af874829cba2b30d212bc6fd31b56275ee4d2 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 14 Oct 2009 15:43:36 -0400 Subject: perf tools: Handle * as typecast in trace parsing The '*' is currently only treated as a multiplication, and it needs to be handled as a typecast pointer. This is the version used by trace-cmd. Signed-off-by: Steven Rostedt Cc: Peter Zijlstra Cc: Frederic Weisbecker Cc: Arnaldo Carvalho de Melo LKML-Reference: <20091014194358.409327875@goodmis.org> Signed-off-by: Ingo Molnar --- tools/perf/util/trace-event-parse.c | 50 ++++++++++++++++--------------------- 1 file changed, 22 insertions(+), 28 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 7aeedb09ea7..f73ee55b51e 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -1217,7 +1217,24 @@ process_op(struct event *event, struct print_arg *arg, char **tok) right = malloc_or_die(sizeof(*right)); - type = process_arg(event, right, tok); + type = read_token_item(&token); + *tok = token; + + /* could just be a type pointer */ + if ((strcmp(arg->op.op, "*") == 0) && + type == EVENT_DELIM && (strcmp(token, ")") == 0)) { + if (left->type != PRINT_ATOM) + die("bad pointer type"); + left->atom.atom = realloc(left->atom.atom, + sizeof(left->atom.atom) + 3); + strcat(left->atom.atom, " *"); + *arg = *left; + free(arg); + + return type; + } + + type = process_arg_token(event, right, tok, type); arg->op.right = right; @@ -1548,7 +1565,6 @@ process_paren(struct event *event, struct print_arg *arg, char **tok) { struct print_arg *item_arg; enum event_type type; - int ptr_cast = 0; char *token; type = process_arg(event, arg, &token); @@ -1556,26 +1572,11 @@ process_paren(struct event *event, struct print_arg *arg, char **tok) if (type == EVENT_ERROR) return EVENT_ERROR; - if (type == EVENT_OP) { - /* handle the ptr casts */ - if (!strcmp(token, "*")) { - /* - * FIXME: should we zapp whitespaces before ')' ? - * (may require a peek_token_item()) - */ - if (__peek_char() == ')') { - ptr_cast = 1; - free_token(token); - type = read_token_item(&token); - } - } - if (!ptr_cast) { - type = process_op(event, arg, &token); + if (type == EVENT_OP) + type = process_op(event, arg, &token); - if (type == EVENT_ERROR) - return EVENT_ERROR; - } - } + if (type == EVENT_ERROR) + return EVENT_ERROR; if (test_type_token(type, token, EVENT_DELIM, (char *)")")) { free_token(token); @@ -1601,13 +1602,6 @@ process_paren(struct event *event, struct print_arg *arg, char **tok) item_arg = malloc_or_die(sizeof(*item_arg)); arg->type = PRINT_TYPE; - if (ptr_cast) { - char *old = arg->atom.atom; - - arg->atom.atom = malloc_or_die(strlen(old + 3)); - sprintf(arg->atom.atom, "%s *", old); - free(old); - } arg->typecast.type = arg->atom.atom; arg->typecast.item = item_arg; type = process_arg_token(event, item_arg, &token, type); -- cgit v1.2.3 From f1d1feecf07261d083859ecfef0d4399036f9683 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 14 Oct 2009 15:43:37 -0400 Subject: perf tools: Handle newlines in trace parsing better New lines between args in the trace format can break the parsing. This should not be the case. Signed-off-by: Steven Rostedt Cc: Peter Zijlstra Cc: Frederic Weisbecker Cc: Arnaldo Carvalho de Melo LKML-Reference: <20091014194358.637991808@goodmis.org> Signed-off-by: Ingo Molnar --- tools/perf/util/trace-event-parse.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'tools') diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index f73ee55b51e..59e4e4db743 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -1716,12 +1716,18 @@ process_arg_token(struct event *event, struct print_arg *arg, static int event_read_print_args(struct event *event, struct print_arg **list) { - enum event_type type; + enum event_type type = EVENT_ERROR; struct print_arg *arg; char *token; int args = 0; do { + if (type == EVENT_NEWLINE) { + free_token(token); + type = read_token_item(&token); + continue; + } + arg = malloc_or_die(sizeof(*arg)); memset(arg, 0, sizeof(*arg)); -- cgit v1.2.3 From 13999e59343b042b0807be2df6ae5895d29782a0 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 14 Oct 2009 15:43:38 -0400 Subject: perf tools: Handle the case with and without the "signed" trace field The trace format files now have a "signed" field. But we should still be able to handle the kernels that do not have this field. Signed-off-by: Steven Rostedt Cc: Peter Zijlstra Cc: Frederic Weisbecker Cc: Arnaldo Carvalho de Melo LKML-Reference: <20091014194358.888239553@goodmis.org> Signed-off-by: Ingo Molnar --- tools/perf/util/trace-event-parse.c | 81 ++++++++++++++++++++++++------------- 1 file changed, 52 insertions(+), 29 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 59e4e4db743..0739b12675f 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -924,23 +924,30 @@ static int event_read_fields(struct event *event, struct format_field **fields) if (read_expected(EVENT_OP, (char *)";") < 0) goto fail_expect; - if (read_expected(EVENT_ITEM, (char *)"signed") < 0) - goto fail_expect; + type = read_token(&token); + if (type != EVENT_NEWLINE) { + /* newer versions of the kernel have a "signed" type */ + if (test_type_token(type, token, EVENT_ITEM, (char *)"signed")) + goto fail; - if (read_expected(EVENT_OP, (char *)":") < 0) - goto fail_expect; + free_token(token); - if (read_expect_type(EVENT_ITEM, &token)) - goto fail; - if (strtoul(token, NULL, 0)) - field->flags |= FIELD_IS_SIGNED; - free_token(token); + if (read_expected(EVENT_OP, (char *)":") < 0) + goto fail_expect; - if (read_expected(EVENT_OP, (char *)";") < 0) - goto fail_expect; + if (read_expect_type(EVENT_ITEM, &token)) + goto fail; + + /* add signed type */ + + free_token(token); + if (read_expected(EVENT_OP, (char *)";") < 0) + goto fail_expect; + + if (read_expect_type(EVENT_NEWLINE, &token)) + goto fail; + } - if (read_expect_type(EVENT_NEWLINE, &token) < 0) - goto fail; free_token(token); *fields = field; @@ -2949,21 +2956,23 @@ static void print_args(struct print_arg *args) } } -static void parse_header_field(char *type, +static void parse_header_field(char *field, int *offset, int *size) { char *token; + int type; if (read_expected(EVENT_ITEM, (char *)"field") < 0) return; if (read_expected(EVENT_OP, (char *)":") < 0) return; + /* type */ if (read_expect_type(EVENT_ITEM, &token) < 0) - return; + goto fail; free_token(token); - if (read_expected(EVENT_ITEM, type) < 0) + if (read_expected(EVENT_ITEM, field) < 0) return; if (read_expected(EVENT_OP, (char *)";") < 0) return; @@ -2972,7 +2981,7 @@ static void parse_header_field(char *type, if (read_expected(EVENT_OP, (char *)":") < 0) return; if (read_expect_type(EVENT_ITEM, &token) < 0) - return; + goto fail; *offset = atoi(token); free_token(token); if (read_expected(EVENT_OP, (char *)";") < 0) @@ -2982,22 +2991,36 @@ static void parse_header_field(char *type, if (read_expected(EVENT_OP, (char *)":") < 0) return; if (read_expect_type(EVENT_ITEM, &token) < 0) - return; + goto fail; *size = atoi(token); free_token(token); if (read_expected(EVENT_OP, (char *)";") < 0) return; - if (read_expected(EVENT_ITEM, (char *)"signed") < 0) - return; - if (read_expected(EVENT_OP, (char *)":") < 0) - return; - if (read_expect_type(EVENT_ITEM, &token) < 0) - return; - free_token(token); - if (read_expected(EVENT_OP, (char *)";") < 0) - return; - if (read_expect_type(EVENT_NEWLINE, &token) < 0) - return; + type = read_token(&token); + if (type != EVENT_NEWLINE) { + /* newer versions of the kernel have a "signed" type */ + if (type != EVENT_ITEM) + goto fail; + + if (strcmp(token, (char *)"signed") != 0) + goto fail; + + free_token(token); + + if (read_expected(EVENT_OP, (char *)":") < 0) + return; + + if (read_expect_type(EVENT_ITEM, &token)) + goto fail; + + free_token(token); + if (read_expected(EVENT_OP, (char *)";") < 0) + return; + + if (read_expect_type(EVENT_NEWLINE, &token)) + goto fail; + } + fail: free_token(token); } -- cgit v1.2.3 From 07a4bdddcf2546ccfbfb3c782deab636c371edeb Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 14 Oct 2009 15:43:39 -0400 Subject: perf tools: Still continue on failed parsing of an event Even though an event may fail to parse, we should not kill the entire report. The trace should still be able to show what it can. If an event fails to parse, a warning is printed, and the output continues. Signed-off-by: Steven Rostedt Cc: Peter Zijlstra Cc: Frederic Weisbecker Cc: Arnaldo Carvalho de Melo LKML-Reference: <20091014194359.190809589@goodmis.org> Signed-off-by: Ingo Molnar --- tools/perf/util/trace-event-parse.c | 38 ++++++++++++++++++++++++++----------- tools/perf/util/trace-event.h | 14 ++++++++------ 2 files changed, 35 insertions(+), 17 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 0739b12675f..eda0a2488c1 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -613,7 +613,7 @@ static enum event_type read_token_item(char **tok) static int test_type(enum event_type type, enum event_type expect) { if (type != expect) { - die("Error: expected type %d but read %d", + warning("Error: expected type %d but read %d", expect, type); return -1; } @@ -624,13 +624,13 @@ static int test_type_token(enum event_type type, char *token, enum event_type expect, const char *expect_tok) { if (type != expect) { - die("Error: expected type %d but read %d", + warning("Error: expected type %d but read %d", expect, type); return -1; } if (strcmp(token, expect_tok) != 0) { - die("Error: expected '%s' but read '%s'", + warning("Error: expected '%s' but read '%s'", expect_tok, token); return -1; } @@ -668,7 +668,7 @@ static int __read_expected(enum event_type expect, const char *str, int newline_ free_token(token); - return 0; + return ret; } static int read_expected(enum event_type expect, const char *str) @@ -1258,12 +1258,12 @@ process_op(struct event *event, struct print_arg *arg, char **tok) type = process_array(event, arg, tok); } else { - die("unknown op '%s'", token); + warning("unknown op '%s'", token); + event->flags |= EVENT_FL_FAILED; /* the arg is now the left side */ return EVENT_NONE; } - if (type == EVENT_OP) { int prio; @@ -2873,7 +2873,7 @@ void print_event(int cpu, void *data, int size, unsigned long long nsecs, event = trace_find_event(type); if (!event) { - printf("ug! no event found for type %d\n", type); + warning("ug! no event found for type %d", type); return; } @@ -2887,6 +2887,12 @@ void print_event(int cpu, void *data, int size, unsigned long long nsecs, comm, pid, cpu, secs, nsecs, event->name); + if (event->flags & EVENT_FL_FAILED) { + printf("EVENT '%s' FAILED TO PARSE\n", + event->name); + return; + } + pretty_print(data, size, event); printf("\n"); } @@ -3120,12 +3126,16 @@ int parse_event_file(char *buf, unsigned long size, char *sys) die("failed to read event id"); ret = event_read_format(event); - if (ret < 0) - die("failed to read event format"); + if (ret < 0) { + warning("failed to read event format for %s", event->name); + goto event_failed; + } ret = event_read_print(event); - if (ret < 0) - die("failed to read event print fmt"); + if (ret < 0) { + warning("failed to read event print fmt for %s", event->name); + goto event_failed; + } event->system = strdup(sys); @@ -3135,6 +3145,12 @@ int parse_event_file(char *buf, unsigned long size, char *sys) add_event(event); return 0; + + event_failed: + event->flags |= EVENT_FL_FAILED; + /* still add it even if it failed */ + add_event(event); + return -1; } void parse_set_info(int nr_cpus, int long_sz) diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h index da77e073c86..29821acc8db 100644 --- a/tools/perf/util/trace-event.h +++ b/tools/perf/util/trace-event.h @@ -139,12 +139,14 @@ struct event { }; enum { - EVENT_FL_ISFTRACE = 1, - EVENT_FL_ISPRINT = 2, - EVENT_FL_ISBPRINT = 4, - EVENT_FL_ISFUNC = 8, - EVENT_FL_ISFUNCENT = 16, - EVENT_FL_ISFUNCRET = 32, + EVENT_FL_ISFTRACE = 0x01, + EVENT_FL_ISPRINT = 0x02, + EVENT_FL_ISBPRINT = 0x04, + EVENT_FL_ISFUNC = 0x08, + EVENT_FL_ISFUNCENT = 0x10, + EVENT_FL_ISFUNCRET = 0x20, + + EVENT_FL_FAILED = 0x80000000 }; struct record { -- cgit v1.2.3 From ffa1895561645103d8f8059b35d9c06e6eeead2e Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 14 Oct 2009 15:43:40 -0400 Subject: perf tools: Fix bprintk reading in trace output The bprintk parsing was broken in more ways than one. The file parsing was incorrect, and the words used by the arguments are always 4 bytes aligned, even on 64-bit machines. Signed-off-by: Steven Rostedt Cc: Peter Zijlstra Cc: Frederic Weisbecker Cc: Arnaldo Carvalho de Melo LKML-Reference: <20091014194359.520931637@goodmis.org> Signed-off-by: Ingo Molnar --- tools/perf/util/trace-event-parse.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index eda0a2488c1..93a82fead95 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -284,18 +284,16 @@ void parse_ftrace_printk(char *file, unsigned int size __unused) char *line; char *next = NULL; char *addr_str; - int ret; + char *fmt; int i; line = strtok_r(file, "\n", &next); while (line) { item = malloc_or_die(sizeof(*item)); - ret = sscanf(line, "%as : %as", - (float *)(void *)&addr_str, /* workaround gcc warning */ - (float *)(void *)&item->printk); + addr_str = strtok_r(line, ":", &fmt); item->addr = strtoull(addr_str, NULL, 16); - free(addr_str); - + /* fmt still has a space, skip it */ + item->printk = strdup(fmt+1); item->next = list; list = item; line = strtok_r(NULL, "\n", &next); @@ -2274,8 +2272,9 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc case 'u': case 'x': case 'i': - bptr = (void *)(((unsigned long)bptr + (long_size - 1)) & - ~(long_size - 1)); + /* the pointers are always 4 bytes aligned */ + bptr = (void *)(((unsigned long)bptr + 3) & + ~3); switch (ls) { case 0: case 1: -- cgit v1.2.3 From 0d1da915c76838c9ee7af7cdefbcb2bae9424161 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 14 Oct 2009 15:43:41 -0400 Subject: perf tools: Handle both versions of ftrace output The ftrace output events can have either arguments or no arguments. The parser needs to be able to handle both. Signed-off-by: Steven Rostedt Cc: Peter Zijlstra Cc: Frederic Weisbecker Cc: Arnaldo Carvalho de Melo LKML-Reference: <20091014194359.790221427@goodmis.org> Signed-off-by: Ingo Molnar --- tools/perf/util/trace-event-parse.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'tools') diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 93a82fead95..c174765d405 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -1819,7 +1819,7 @@ static int event_read_print(struct event *event) if (ret < 0) return -1; - return 0; + return ret; fail: free_token(token); @@ -3088,6 +3088,9 @@ int parse_ftrace_file(char *buf, unsigned long size) if (ret < 0) die("failed to read ftrace event print fmt"); + /* New ftrace handles args */ + if (ret > 0) + return 0; /* * The arguments for ftrace files are parsed by the fields. * Set up the fields as their arguments. -- cgit v1.2.3 From cda48461c7fb8431a99b7960480f5f42cc1a5324 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 14 Oct 2009 15:43:42 -0400 Subject: perf tools: Add latency format to trace output Add the irqs disabled, preemption count, need resched, and other info that is shown in the latency format of ftrace. # perf trace -l perf-16457 2..s2. 53636.260344: kmem_cache_free: call_site=ffffffff811198f perf-16457 2..s2. 53636.264330: kmem_cache_free: call_site=ffffffff811198f perf-16457 2d.s4. 53636.300006: kmem_cache_free: call_site=ffffffff810d889 Signed-off-by: Steven Rostedt Cc: Peter Zijlstra Cc: Frederic Weisbecker Cc: Arnaldo Carvalho de Melo LKML-Reference: <20091014194400.076588953@goodmis.org> Signed-off-by: Ingo Molnar --- tools/perf/builtin-trace.c | 2 + tools/perf/util/trace-event-parse.c | 120 ++++++++++++++++++++++++++++++------ tools/perf/util/trace-event.h | 11 ++++ 3 files changed, 114 insertions(+), 19 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index ccf867dbab5..ce8459ac284 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -144,6 +144,8 @@ static const struct option options[] = { "dump raw trace in ASCII"), OPT_BOOLEAN('v', "verbose", &verbose, "be more verbose (show symbol address, etc)"), + OPT_BOOLEAN('l', "latency", &latency_format, + "show latency attributes (irqs/preemption disabled, etc)"), OPT_END() }; diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index c174765d405..fde1a434d63 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -40,6 +40,8 @@ int header_page_size_size; int header_page_data_offset; int header_page_data_size; +int latency_format; + static char *input_buf; static unsigned long long input_buf_ptr; static unsigned long long input_buf_siz; @@ -1928,37 +1930,67 @@ static int get_common_info(const char *type, int *offset, int *size) return 0; } -int trace_parse_common_type(void *data) +static int __parse_common(void *data, int *size, int *offset, + char *name) { - static int type_offset; - static int type_size; int ret; - if (!type_size) { - ret = get_common_info("common_type", - &type_offset, - &type_size); + if (!*size) { + ret = get_common_info(name, offset, size); if (ret < 0) return ret; } - return read_size(data + type_offset, type_size); + return read_size(data + *offset, *size); +} + +int trace_parse_common_type(void *data) +{ + static int type_offset; + static int type_size; + + return __parse_common(data, &type_size, &type_offset, + (char *)"common_type"); } static int parse_common_pid(void *data) { static int pid_offset; static int pid_size; + + return __parse_common(data, &pid_size, &pid_offset, + (char *)"common_pid"); +} + +static int parse_common_pc(void *data) +{ + static int pc_offset; + static int pc_size; + + return __parse_common(data, &pc_size, &pc_offset, + (char *)"common_preempt_count"); +} + +static int parse_common_flags(void *data) +{ + static int flags_offset; + static int flags_size; + + return __parse_common(data, &flags_size, &flags_offset, + (char *)"common_flags"); +} + +static int parse_common_lock_depth(void *data) +{ + static int ld_offset; + static int ld_size; int ret; - if (!pid_size) { - ret = get_common_info("common_pid", - &pid_offset, - &pid_size); - if (ret < 0) - return ret; - } + ret = __parse_common(data, &ld_size, &ld_offset, + (char *)"common_lock_depth"); + if (ret < 0) + return -1; - return read_size(data + pid_offset, pid_size); + return ret; } struct event *trace_find_event(int id) @@ -2525,6 +2557,41 @@ static inline int log10_cpu(int nb) return 1; } +static void print_lat_fmt(void *data, int size __unused) +{ + unsigned int lat_flags; + unsigned int pc; + int lock_depth; + int hardirq; + int softirq; + + lat_flags = parse_common_flags(data); + pc = parse_common_pc(data); + lock_depth = parse_common_lock_depth(data); + + hardirq = lat_flags & TRACE_FLAG_HARDIRQ; + softirq = lat_flags & TRACE_FLAG_SOFTIRQ; + + printf("%c%c%c", + (lat_flags & TRACE_FLAG_IRQS_OFF) ? 'd' : + (lat_flags & TRACE_FLAG_IRQS_NOSUPPORT) ? + 'X' : '.', + (lat_flags & TRACE_FLAG_NEED_RESCHED) ? + 'N' : '.', + (hardirq && softirq) ? 'H' : + hardirq ? 'h' : softirq ? 's' : '.'); + + if (pc) + printf("%x", pc); + else + printf("."); + + if (lock_depth < 0) + printf("."); + else + printf("%d", lock_depth); +} + /* taken from Linux, written by Frederic Weisbecker */ static void print_graph_cpu(int cpu) { @@ -2768,6 +2835,11 @@ pretty_print_func_ent(void *data, int size, struct event *event, printf(" | "); + if (latency_format) { + print_lat_fmt(data, size); + printf(" | "); + } + field = find_field(event, "func"); if (!field) die("function entry does not have func field"); @@ -2811,6 +2883,11 @@ pretty_print_func_ret(void *data, int size __unused, struct event *event, printf(" | "); + if (latency_format) { + print_lat_fmt(data, size); + printf(" | "); + } + field = find_field(event, "rettime"); if (!field) die("can't find rettime in return graph"); @@ -2882,9 +2959,14 @@ void print_event(int cpu, void *data, int size, unsigned long long nsecs, return pretty_print_func_graph(data, size, event, cpu, pid, comm, secs, usecs); - printf("%16s-%-5d [%03d] %5lu.%09Lu: %s: ", - comm, pid, cpu, - secs, nsecs, event->name); + if (latency_format) { + printf("%8.8s-%-5d %3d", + comm, pid, cpu); + print_lat_fmt(data, size); + } else + printf("%16s-%-5d [%03d]", comm, pid, cpu); + + printf(" %5lu.%06lu: %s: ", secs, usecs, event->name); if (event->flags & EVENT_FL_FAILED) { printf("EVENT '%s' FAILED TO PARSE\n", diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h index 29821acc8db..f6637c2fa1f 100644 --- a/tools/perf/util/trace-event.h +++ b/tools/perf/util/trace-event.h @@ -239,6 +239,8 @@ extern int header_page_size_size; extern int header_page_data_offset; extern int header_page_data_size; +extern int latency_format; + int parse_header_page(char *buf, unsigned long size); int trace_parse_common_type(void *data); struct event *trace_find_event(int id); @@ -248,4 +250,13 @@ void *raw_field_ptr(struct event *event, const char *name, void *data); void read_tracing_data(int fd, struct perf_event_attr *pattrs, int nb_events); +/* taken from kernel/trace/trace.h */ +enum trace_flag_type { + TRACE_FLAG_IRQS_OFF = 0x01, + TRACE_FLAG_IRQS_NOSUPPORT = 0x02, + TRACE_FLAG_NEED_RESCHED = 0x04, + TRACE_FLAG_HARDIRQ = 0x08, + TRACE_FLAG_SOFTIRQ = 0x10, +}; + #endif /* __PERF_TRACE_EVENTS_H */ -- cgit v1.2.3 From afdf1a404eed236d6f762ee44cc0f1dcc97206e0 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 14 Oct 2009 15:43:43 -0400 Subject: perf tools: Handle - and + in parsing trace print format The opterators '-' and '+' are not handled in the trace print format. To do: '++' and '--'. Signed-off-by: Steven Rostedt Cc: Peter Zijlstra Cc: Frederic Weisbecker Cc: Arnaldo Carvalho de Melo LKML-Reference: <20091014194400.330843045@goodmis.org> Signed-off-by: Ingo Molnar --- tools/perf/util/trace-event-parse.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'tools') diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index fde1a434d63..2d424ff50ec 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -2106,6 +2106,12 @@ static unsigned long long eval_num_arg(void *data, int size, die("unknown op '%s'", arg->op.op); val = left == right; break; + case '-': + val = left - right; + break; + case '+': + val = left + right; + break; default: die("unknown op '%s'", arg->op.op); } -- cgit v1.2.3 From c4dc775f53136cd6af8f88bce67cce9b42751768 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 14 Oct 2009 15:43:44 -0400 Subject: perf tools: Remove all char * typecasts and use const in prototype The (char *) for all the static strings was a fix for the symptom and not the disease. The real issue was that the function prototypes needed to be declared "const char *". Signed-off-by: Steven Rostedt Cc: Peter Zijlstra Cc: Frederic Weisbecker Cc: Arnaldo Carvalho de Melo LKML-Reference: <20091014194400.635935008@goodmis.org> Signed-off-by: Ingo Molnar --- tools/perf/util/trace-event-parse.c | 122 ++++++++++++++++++------------------ 1 file changed, 61 insertions(+), 61 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 2d424ff50ec..4b61b497040 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -685,10 +685,10 @@ static char *event_read_name(void) { char *token; - if (read_expected(EVENT_ITEM, (char *)"name") < 0) + if (read_expected(EVENT_ITEM, "name") < 0) return NULL; - if (read_expected(EVENT_OP, (char *)":") < 0) + if (read_expected(EVENT_OP, ":") < 0) return NULL; if (read_expect_type(EVENT_ITEM, &token) < 0) @@ -706,10 +706,10 @@ static int event_read_id(void) char *token; int id; - if (read_expected_item(EVENT_ITEM, (char *)"ID") < 0) + if (read_expected_item(EVENT_ITEM, "ID") < 0) return -1; - if (read_expected(EVENT_OP, (char *)":") < 0) + if (read_expected(EVENT_OP, ":") < 0) return -1; if (read_expect_type(EVENT_ITEM, &token) < 0) @@ -759,7 +759,7 @@ static int event_read_fields(struct event *event, struct format_field **fields) count++; - if (test_type_token(type, token, EVENT_ITEM, (char *)"field")) + if (test_type_token(type, token, EVENT_ITEM, "field")) goto fail; free_token(token); @@ -774,7 +774,7 @@ static int event_read_fields(struct event *event, struct format_field **fields) type = read_token(&token); } - if (test_type_token(type, token, EVENT_OP, (char *)":") < 0) + if (test_type_token(type, token, EVENT_OP, ":") < 0) return -1; if (read_expect_type(EVENT_ITEM, &token) < 0) @@ -892,14 +892,14 @@ static int event_read_fields(struct event *event, struct format_field **fields) field->flags |= FIELD_IS_DYNAMIC; } - if (test_type_token(type, token, EVENT_OP, (char *)";")) + if (test_type_token(type, token, EVENT_OP, ";")) goto fail; free_token(token); - if (read_expected(EVENT_ITEM, (char *)"offset") < 0) + if (read_expected(EVENT_ITEM, "offset") < 0) goto fail_expect; - if (read_expected(EVENT_OP, (char *)":") < 0) + if (read_expected(EVENT_OP, ":") < 0) goto fail_expect; if (read_expect_type(EVENT_ITEM, &token)) @@ -907,13 +907,13 @@ static int event_read_fields(struct event *event, struct format_field **fields) field->offset = strtoul(token, NULL, 0); free_token(token); - if (read_expected(EVENT_OP, (char *)";") < 0) + if (read_expected(EVENT_OP, ";") < 0) goto fail_expect; - if (read_expected(EVENT_ITEM, (char *)"size") < 0) + if (read_expected(EVENT_ITEM, "size") < 0) goto fail_expect; - if (read_expected(EVENT_OP, (char *)":") < 0) + if (read_expected(EVENT_OP, ":") < 0) goto fail_expect; if (read_expect_type(EVENT_ITEM, &token)) @@ -921,18 +921,18 @@ static int event_read_fields(struct event *event, struct format_field **fields) field->size = strtoul(token, NULL, 0); free_token(token); - if (read_expected(EVENT_OP, (char *)";") < 0) + if (read_expected(EVENT_OP, ";") < 0) goto fail_expect; type = read_token(&token); if (type != EVENT_NEWLINE) { /* newer versions of the kernel have a "signed" type */ - if (test_type_token(type, token, EVENT_ITEM, (char *)"signed")) + if (test_type_token(type, token, EVENT_ITEM, "signed")) goto fail; free_token(token); - if (read_expected(EVENT_OP, (char *)":") < 0) + if (read_expected(EVENT_OP, ":") < 0) goto fail_expect; if (read_expect_type(EVENT_ITEM, &token)) @@ -941,7 +941,7 @@ static int event_read_fields(struct event *event, struct format_field **fields) /* add signed type */ free_token(token); - if (read_expected(EVENT_OP, (char *)";") < 0) + if (read_expected(EVENT_OP, ";") < 0) goto fail_expect; if (read_expect_type(EVENT_NEWLINE, &token)) @@ -970,10 +970,10 @@ static int event_read_format(struct event *event) char *token; int ret; - if (read_expected_item(EVENT_ITEM, (char *)"format") < 0) + if (read_expected_item(EVENT_ITEM, "format") < 0) return -1; - if (read_expected(EVENT_OP, (char *)":") < 0) + if (read_expected(EVENT_OP, ":") < 0) return -1; if (read_expect_type(EVENT_NEWLINE, &token)) @@ -1033,7 +1033,7 @@ process_cond(struct event *event, struct print_arg *top, char **tok) *tok = NULL; type = process_arg(event, left, &token); - if (test_type_token(type, token, EVENT_OP, (char *)":")) + if (test_type_token(type, token, EVENT_OP, ":")) goto out_free; arg->op.op = token; @@ -1065,7 +1065,7 @@ process_array(struct event *event, struct print_arg *top, char **tok) *tok = NULL; type = process_arg(event, arg, &token); - if (test_type_token(type, token, EVENT_OP, (char *)"]")) + if (test_type_token(type, token, EVENT_OP, "]")) goto out_free; top->op.right = arg; @@ -1287,7 +1287,7 @@ process_entry(struct event *event __unused, struct print_arg *arg, char *field; char *token; - if (read_expected(EVENT_OP, (char *)"->") < 0) + if (read_expected(EVENT_OP, "->") < 0) return EVENT_ERROR; if (read_expect_type(EVENT_ITEM, &token) < 0) @@ -1447,14 +1447,14 @@ process_fields(struct event *event, struct print_flag_sym **list, char **tok) do { free_token(token); type = read_token_item(&token); - if (test_type_token(type, token, EVENT_OP, (char *)"{")) + if (test_type_token(type, token, EVENT_OP, "{")) break; arg = malloc_or_die(sizeof(*arg)); free_token(token); type = process_arg(event, arg, &token); - if (test_type_token(type, token, EVENT_DELIM, (char *)",")) + if (test_type_token(type, token, EVENT_DELIM, ",")) goto out_free; field = malloc_or_die(sizeof(*field)); @@ -1465,7 +1465,7 @@ process_fields(struct event *event, struct print_flag_sym **list, char **tok) free_token(token); type = process_arg(event, arg, &token); - if (test_type_token(type, token, EVENT_OP, (char *)"}")) + if (test_type_token(type, token, EVENT_OP, "}")) goto out_free; value = arg_eval(arg); @@ -1500,13 +1500,13 @@ process_flags(struct event *event, struct print_arg *arg, char **tok) memset(arg, 0, sizeof(*arg)); arg->type = PRINT_FLAGS; - if (read_expected_item(EVENT_DELIM, (char *)"(") < 0) + if (read_expected_item(EVENT_DELIM, "(") < 0) return EVENT_ERROR; field = malloc_or_die(sizeof(*field)); type = process_arg(event, field, &token); - if (test_type_token(type, token, EVENT_DELIM, (char *)",")) + if (test_type_token(type, token, EVENT_DELIM, ",")) goto out_free; arg->flags.field = field; @@ -1517,11 +1517,11 @@ process_flags(struct event *event, struct print_arg *arg, char **tok) type = read_token_item(&token); } - if (test_type_token(type, token, EVENT_DELIM, (char *)",")) + if (test_type_token(type, token, EVENT_DELIM, ",")) goto out_free; type = process_fields(event, &arg->flags.flags, &token); - if (test_type_token(type, token, EVENT_DELIM, (char *)")")) + if (test_type_token(type, token, EVENT_DELIM, ")")) goto out_free; free_token(token); @@ -1543,19 +1543,19 @@ process_symbols(struct event *event, struct print_arg *arg, char **tok) memset(arg, 0, sizeof(*arg)); arg->type = PRINT_SYMBOL; - if (read_expected_item(EVENT_DELIM, (char *)"(") < 0) + if (read_expected_item(EVENT_DELIM, "(") < 0) return EVENT_ERROR; field = malloc_or_die(sizeof(*field)); type = process_arg(event, field, &token); - if (test_type_token(type, token, EVENT_DELIM, (char *)",")) + if (test_type_token(type, token, EVENT_DELIM, ",")) goto out_free; arg->symbol.field = field; type = process_fields(event, &arg->symbol.symbols, &token); - if (test_type_token(type, token, EVENT_DELIM, (char *)")")) + if (test_type_token(type, token, EVENT_DELIM, ")")) goto out_free; free_token(token); @@ -1585,7 +1585,7 @@ process_paren(struct event *event, struct print_arg *arg, char **tok) if (type == EVENT_ERROR) return EVENT_ERROR; - if (test_type_token(type, token, EVENT_DELIM, (char *)")")) { + if (test_type_token(type, token, EVENT_DELIM, ")")) { free_token(token); return EVENT_ERROR; } @@ -1626,7 +1626,7 @@ process_str(struct event *event __unused, struct print_arg *arg, char **tok) enum event_type type; char *token; - if (read_expected(EVENT_DELIM, (char *)"(") < 0) + if (read_expected(EVENT_DELIM, "(") < 0) return EVENT_ERROR; if (read_expect_type(EVENT_ITEM, &token) < 0) @@ -1636,7 +1636,7 @@ process_str(struct event *event __unused, struct print_arg *arg, char **tok) arg->string.string = token; arg->string.offset = -1; - if (read_expected(EVENT_DELIM, (char *)")") < 0) + if (read_expected(EVENT_DELIM, ")") < 0) return EVENT_ERROR; type = read_token(&token); @@ -1775,13 +1775,13 @@ static int event_read_print(struct event *event) char *token; int ret; - if (read_expected_item(EVENT_ITEM, (char *)"print") < 0) + if (read_expected_item(EVENT_ITEM, "print") < 0) return -1; - if (read_expected(EVENT_ITEM, (char *)"fmt") < 0) + if (read_expected(EVENT_ITEM, "fmt") < 0) return -1; - if (read_expected(EVENT_OP, (char *)":") < 0) + if (read_expected(EVENT_OP, ":") < 0) return -1; if (read_expect_type(EVENT_DQUOTE, &token) < 0) @@ -1811,8 +1811,8 @@ static int event_read_print(struct event *event) token = cat; goto concat; } - - if (test_type_token(type, token, EVENT_DELIM, (char *)",")) + + if (test_type_token(type, token, EVENT_DELIM, ",")) goto fail; free_token(token); @@ -1931,7 +1931,7 @@ static int get_common_info(const char *type, int *offset, int *size) } static int __parse_common(void *data, int *size, int *offset, - char *name) + const char *name) { int ret; @@ -1949,7 +1949,7 @@ int trace_parse_common_type(void *data) static int type_size; return __parse_common(data, &type_size, &type_offset, - (char *)"common_type"); + "common_type"); } static int parse_common_pid(void *data) @@ -1958,7 +1958,7 @@ static int parse_common_pid(void *data) static int pid_size; return __parse_common(data, &pid_size, &pid_offset, - (char *)"common_pid"); + "common_pid"); } static int parse_common_pc(void *data) @@ -1967,7 +1967,7 @@ static int parse_common_pc(void *data) static int pc_size; return __parse_common(data, &pc_size, &pc_offset, - (char *)"common_preempt_count"); + "common_preempt_count"); } static int parse_common_flags(void *data) @@ -1976,7 +1976,7 @@ static int parse_common_flags(void *data) static int flags_size; return __parse_common(data, &flags_size, &flags_offset, - (char *)"common_flags"); + "common_flags"); } static int parse_common_lock_depth(void *data) @@ -1986,7 +1986,7 @@ static int parse_common_lock_depth(void *data) int ret; ret = __parse_common(data, &ld_size, &ld_offset, - (char *)"common_lock_depth"); + "common_lock_depth"); if (ret < 0) return -1; @@ -3049,15 +3049,15 @@ static void print_args(struct print_arg *args) } } -static void parse_header_field(char *field, +static void parse_header_field(const char *field, int *offset, int *size) { char *token; int type; - if (read_expected(EVENT_ITEM, (char *)"field") < 0) + if (read_expected(EVENT_ITEM, "field") < 0) return; - if (read_expected(EVENT_OP, (char *)":") < 0) + if (read_expected(EVENT_OP, ":") < 0) return; /* type */ @@ -3067,27 +3067,27 @@ static void parse_header_field(char *field, if (read_expected(EVENT_ITEM, field) < 0) return; - if (read_expected(EVENT_OP, (char *)";") < 0) + if (read_expected(EVENT_OP, ";") < 0) return; - if (read_expected(EVENT_ITEM, (char *)"offset") < 0) + if (read_expected(EVENT_ITEM, "offset") < 0) return; - if (read_expected(EVENT_OP, (char *)":") < 0) + if (read_expected(EVENT_OP, ":") < 0) return; if (read_expect_type(EVENT_ITEM, &token) < 0) goto fail; *offset = atoi(token); free_token(token); - if (read_expected(EVENT_OP, (char *)";") < 0) + if (read_expected(EVENT_OP, ";") < 0) return; - if (read_expected(EVENT_ITEM, (char *)"size") < 0) + if (read_expected(EVENT_ITEM, "size") < 0) return; - if (read_expected(EVENT_OP, (char *)":") < 0) + if (read_expected(EVENT_OP, ":") < 0) return; if (read_expect_type(EVENT_ITEM, &token) < 0) goto fail; *size = atoi(token); free_token(token); - if (read_expected(EVENT_OP, (char *)";") < 0) + if (read_expected(EVENT_OP, ";") < 0) return; type = read_token(&token); if (type != EVENT_NEWLINE) { @@ -3095,19 +3095,19 @@ static void parse_header_field(char *field, if (type != EVENT_ITEM) goto fail; - if (strcmp(token, (char *)"signed") != 0) + if (strcmp(token, "signed") != 0) goto fail; free_token(token); - if (read_expected(EVENT_OP, (char *)":") < 0) + if (read_expected(EVENT_OP, ":") < 0) return; if (read_expect_type(EVENT_ITEM, &token)) goto fail; free_token(token); - if (read_expected(EVENT_OP, (char *)";") < 0) + if (read_expected(EVENT_OP, ";") < 0) return; if (read_expect_type(EVENT_NEWLINE, &token)) @@ -3121,11 +3121,11 @@ int parse_header_page(char *buf, unsigned long size) { init_input_buf(buf, size); - parse_header_field((char *)"timestamp", &header_page_ts_offset, + parse_header_field("timestamp", &header_page_ts_offset, &header_page_ts_size); - parse_header_field((char *)"commit", &header_page_size_offset, + parse_header_field("commit", &header_page_size_offset, &header_page_size_size); - parse_header_field((char *)"data", &header_page_data_offset, + parse_header_field("data", &header_page_data_offset, &header_page_data_size); return 0; -- cgit v1.2.3 From c171b552a7d316c7e1c3ad6f70a30178dd53e14c Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Thu, 15 Oct 2009 11:22:07 +0800 Subject: perf trace: Add filter Suppport Add a new option "--filter " to perf record, and it should be right after "-e trace_point": #./perf record -R -f -e irq:irq_handler_entry --filter irq==18 ^C # ./perf trace perf-4303 ... irq_handler_entry: irq=18 handler=eth0 init-0 ... irq_handler_entry: irq=18 handler=eth0 init-0 ... irq_handler_entry: irq=18 handler=eth0 init-0 ... irq_handler_entry: irq=18 handler=eth0 init-0 ... irq_handler_entry: irq=18 handler=eth0 See Documentation/trace/events.txt for the syntax of filter expressions. Signed-off-by: Li Zefan Acked-by: Peter Zijlstra Acked-by: Frederic Weisbecker Cc: Steven Rostedt Cc: Tom Zanussi LKML-Reference: <4AD6955F.90602@cn.fujitsu.com> Signed-off-by: Ingo Molnar --- tools/perf/builtin-record.c | 15 ++++++++++++++- tools/perf/util/parse-events.c | 26 ++++++++++++++++++++++++-- tools/perf/util/parse-events.h | 2 ++ 3 files changed, 40 insertions(+), 3 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 4e3a374e7aa..8b2c860c49a 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -374,9 +374,11 @@ static struct perf_header_attr *get_header_attr(struct perf_event_attr *a, int n static void create_counter(int counter, int cpu, pid_t pid) { + char *filter = filters[counter]; struct perf_event_attr *attr = attrs + counter; struct perf_header_attr *h_attr; int track = !counter; /* only the first counter needs these */ + int ret; struct { u64 count; u64 time_enabled; @@ -479,7 +481,6 @@ try_again: multiplex_fd = fd[nr_cpu][counter]; if (multiplex && fd[nr_cpu][counter] != multiplex_fd) { - int ret; ret = ioctl(fd[nr_cpu][counter], PERF_EVENT_IOC_SET_OUTPUT, multiplex_fd); assert(ret != -1); @@ -499,6 +500,16 @@ try_again: } } + if (filter != NULL) { + ret = ioctl(fd[nr_cpu][counter], + PERF_EVENT_IOC_SET_FILTER, filter); + if (ret) { + error("failed to set filter with %d (%s)\n", errno, + strerror(errno)); + exit(-1); + } + } + ioctl(fd[nr_cpu][counter], PERF_EVENT_IOC_ENABLE); } @@ -676,6 +687,8 @@ static const struct option options[] = { OPT_CALLBACK('e', "event", NULL, "event", "event selector. use 'perf list' to list available events", parse_events), + OPT_CALLBACK(0, "filter", NULL, "filter", + "event filter", parse_filter), OPT_INTEGER('p', "pid", &target_pid, "record events on existing pid"), OPT_INTEGER('r', "realtime", &realtime_prio, diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 8cfb48cbbea..b097570e962 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -8,9 +8,10 @@ #include "cache.h" #include "header.h" -int nr_counters; +int nr_counters; struct perf_event_attr attrs[MAX_COUNTERS]; +char *filters[MAX_COUNTERS]; struct event_symbol { u8 type; @@ -708,7 +709,6 @@ static void store_event_type(const char *orgname) perf_header__push_event(id, orgname); } - int parse_events(const struct option *opt __used, const char *str, int unset __used) { struct perf_event_attr attr; @@ -745,6 +745,28 @@ int parse_events(const struct option *opt __used, const char *str, int unset __u return 0; } +int parse_filter(const struct option *opt __used, const char *str, + int unset __used) +{ + int i = nr_counters - 1; + int len = strlen(str); + + if (i < 0 || attrs[i].type != PERF_TYPE_TRACEPOINT) { + fprintf(stderr, + "-F option should follow a -e tracepoint option\n"); + return -1; + } + + filters[i] = malloc(len + 1); + if (!filters[i]) { + fprintf(stderr, "not enough memory to hold filter string\n"); + return -1; + } + strcpy(filters[i], str); + + return 0; +} + static const char * const event_type_descriptors[] = { "", "Hardware event", diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index 8626a439033..b8c1f64bc93 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -17,11 +17,13 @@ extern struct tracepoint_path *tracepoint_id_to_path(u64 config); extern int nr_counters; extern struct perf_event_attr attrs[MAX_COUNTERS]; +extern char *filters[MAX_COUNTERS]; extern const char *event_name(int ctr); extern const char *__event_name(int type, u64 config); extern int parse_events(const struct option *opt, const char *str, int unset); +extern int parse_filter(const struct option *opt, const char *str, int unset); #define EVENTS_HELP_MAX (128*1024) -- cgit v1.2.3 From 210f9cb2cf2effca690271085f4bd6a3ea286e6c Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Fri, 16 Oct 2009 10:34:28 +0200 Subject: perf tools: Bump version to 0.0.2 We released the first version of perf with 0.0.1 in v2.6.31, time to double our version number to 0.0.2 ;-) Cc: Peter Zijlstra Cc: Mike Galbraith Cc: Paul Mackerras Cc: Arnaldo Carvalho de Melo Cc: Frederic Weisbecker LKML-Reference: Signed-off-by: Ingo Molnar --- tools/perf/util/PERF-VERSION-GEN | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'tools') diff --git a/tools/perf/util/PERF-VERSION-GEN b/tools/perf/util/PERF-VERSION-GEN index c561d1538c0..54552a00a11 100755 --- a/tools/perf/util/PERF-VERSION-GEN +++ b/tools/perf/util/PERF-VERSION-GEN @@ -1,7 +1,7 @@ #!/bin/sh GVF=PERF-VERSION-FILE -DEF_VER=v0.0.1.PERF +DEF_VER=v0.0.2.PERF LF=' ' -- cgit v1.2.3 From f39cdf25bf77219676ec5360980ac40b1a7e144a Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Sat, 17 Oct 2009 08:43:17 +0200 Subject: perf tools: Move dereference after NULL test In each case, if the NULL test on thread is needed, then the dereference should be after the NULL test. A simplified version of the semantic match that detects this problem is as follows (http://coccinelle.lip6.fr/): // @match exists@ expression x, E; identifier fld; @@ * x->fld ... when != \(x = E\|&x\) * x == NULL // Signed-off-by: Julia Lawall LKML-Reference: Signed-off-by: Ingo Molnar --- tools/perf/builtin-annotate.c | 4 ++-- tools/perf/builtin-report.c | 4 ++-- tools/perf/builtin-sched.c | 4 ++-- tools/perf/builtin-trace.c | 4 ++-- 4 files changed, 8 insertions(+), 8 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 3fe0de03004..56ba71658d7 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -104,14 +104,14 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) event->ip.pid, (void *)(long)ip); - dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); - if (thread == NULL) { fprintf(stderr, "problem processing %d event, skipping it.\n", event->header.type); return -1; } + dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); + if (event->header.misc & PERF_RECORD_MISC_KERNEL) { level = 'k'; sym = kernel_maps__find_symbol(ip, &map); diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 015c7974596..a4f8cc20915 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -629,14 +629,14 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) } } - dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); - if (thread == NULL) { eprintf("problem processing %d event, skipping it.\n", event->header.type); return -1; } + dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); + if (comm_list && !strlist__has_entry(comm_list, thread->comm)) return 0; diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index c9c68563e96..57ad3f458ef 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -1667,14 +1667,14 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) (void *)(long)ip, (long long)period); - dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); - if (thread == NULL) { eprintf("problem processing %d event, skipping it.\n", event->header.type); return -1; } + dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); + if (profile_cpu != -1 && profile_cpu != (int) cpu) return 0; diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index ce8459ac284..4c129ff0bb1 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -80,14 +80,14 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) (void *)(long)ip, (long long)period); - dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); - if (thread == NULL) { eprintf("problem processing %d event, skipping it.\n", event->header.type); return -1; } + dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); + if (sample_type & PERF_SAMPLE_RAW) { struct { u32 size; -- cgit v1.2.3 From 11018201b831e19304c0d639f105ad6c27e120b1 Mon Sep 17 00:00:00 2001 From: Anton Blanchard Date: Sun, 18 Oct 2009 22:29:23 +1100 Subject: perf stat: Add branch performance metric When we count both branches and branch-misses it is useful to print out the percentage of branch-misses: # perf stat -e branches -e branch-misses /bin/true Performance counter stats for '/bin/true': 401684 branches # 0.000 M/sec 23301 branch-misses # 5.801 % Signed-off-by: Anton Blanchard Cc: paulus@samba.org Cc: a.p.zijlstra@chello.nl LKML-Reference: <20091018112923.GQ4808@kryten> Signed-off-by: Ingo Molnar --- tools/perf/builtin-stat.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'tools') diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 3db31e7bf17..c37368343ff 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -125,6 +125,7 @@ struct stats event_res_stats[MAX_COUNTERS][3]; struct stats runtime_nsecs_stats; struct stats walltime_nsecs_stats; struct stats runtime_cycles_stats; +struct stats runtime_branches_stats; #define MATCH_EVENT(t, c, counter) \ (attrs[counter].type == PERF_TYPE_##t && \ @@ -235,6 +236,8 @@ static void read_counter(int counter) update_stats(&runtime_nsecs_stats, count[0]); if (MATCH_EVENT(HARDWARE, HW_CPU_CYCLES, counter)) update_stats(&runtime_cycles_stats, count[0]); + if (MATCH_EVENT(HARDWARE, HW_BRANCH_INSTRUCTIONS, counter)) + update_stats(&runtime_branches_stats, count[0]); } static int run_perf_stat(int argc __used, const char **argv) @@ -352,6 +355,14 @@ static void abs_printout(int counter, double avg) ratio = avg / total; fprintf(stderr, " # %10.3f IPC ", ratio); + } else if (MATCH_EVENT(HARDWARE, HW_BRANCH_MISSES, counter)) { + total = avg_stats(&runtime_branches_stats); + + if (total) + ratio = avg * 100 / total; + + fprintf(stderr, " # %10.3f %% ", ratio); + } else { total = avg_stats(&runtime_nsecs_stats); -- cgit v1.2.3 From 5a116dd2797677cad48fee2f42267e3cb69f5502 Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Sat, 17 Oct 2009 17:12:33 +0200 Subject: perf tools: Use kernel bitmap library Use the kernel bitmap library for internal perf tools uses. Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Mike Galbraith Cc: Paul Mackerras Cc: Steven Rostedt LKML-Reference: <1255792354-11304-1-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar --- tools/perf/Makefile | 16 +++++++++ tools/perf/builtin-record.c | 3 -- tools/perf/builtin-sched.c | 2 -- tools/perf/util/include/asm/bitops.h | 6 ++++ tools/perf/util/include/asm/byteorder.h | 2 ++ tools/perf/util/include/asm/swab.h | 1 + tools/perf/util/include/asm/types.h | 17 +++++++++ tools/perf/util/include/asm/uaccess.h | 14 ++++++++ tools/perf/util/include/linux/bitmap.h | 2 ++ tools/perf/util/include/linux/bitops.h | 27 +++++++++++++++ tools/perf/util/include/linux/compiler.h | 10 ++++++ tools/perf/util/include/linux/ctype.h | 1 + tools/perf/util/include/linux/kernel.h | 59 ++++++++++++++++++++++++++++++++ tools/perf/util/include/linux/types.h | 1 + 14 files changed, 156 insertions(+), 5 deletions(-) create mode 100644 tools/perf/util/include/asm/bitops.h create mode 100644 tools/perf/util/include/asm/byteorder.h create mode 100644 tools/perf/util/include/asm/swab.h create mode 100644 tools/perf/util/include/asm/types.h create mode 100644 tools/perf/util/include/asm/uaccess.h create mode 100644 tools/perf/util/include/linux/bitmap.h create mode 100644 tools/perf/util/include/linux/bitops.h create mode 100644 tools/perf/util/include/linux/compiler.h create mode 100644 tools/perf/util/include/linux/ctype.h create mode 100644 tools/perf/util/include/linux/types.h (limited to 'tools') diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 106c15055b5..2400e5068a2 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -363,6 +363,9 @@ LIB_OBJS += util/parse-options.o LIB_OBJS += util/parse-events.o LIB_OBJS += util/path.o LIB_OBJS += util/rbtree.o +LIB_OBJS += util/bitmap.o +LIB_OBJS += util/hweight.o +LIB_OBJS += util/find_next_bit.o LIB_OBJS += util/run-command.o LIB_OBJS += util/quote.o LIB_OBJS += util/strbuf.o @@ -790,6 +793,19 @@ util/config.o: util/config.c PERF-CFLAGS util/rbtree.o: ../../lib/rbtree.c PERF-CFLAGS $(QUIET_CC)$(CC) -o util/rbtree.o -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $< +# some perf warning policies can't fit to lib/bitmap.c, eg: it warns about variable shadowing +# from that comes from kernel headers wrapping. +KBITMAP_FLAGS=`echo $(ALL_CFLAGS) | sed s/-Wshadow// | sed s/-Wswitch-default// | sed s/-Wextra//` + +util/bitmap.o: ../../lib/bitmap.c PERF-CFLAGS + $(QUIET_CC)$(CC) -o util/bitmap.o -c $(KBITMAP_FLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $< + +util/hweight.o: ../../lib/hweight.c PERF-CFLAGS + $(QUIET_CC)$(CC) -o util/hweight.o -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $< + +util/find_next_bit.o: ../../lib/find_next_bit.c PERF-CFLAGS + $(QUIET_CC)$(CC) -o util/find_next_bit.o -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $< + perf-%$X: %.o $(PERFLIBS) $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS) diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 8b2c860c49a..fc3709cba13 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -21,9 +21,6 @@ #include #include -#define ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a)-1) -#define __ALIGN_MASK(x, mask) (((x)+(mask))&~(mask)) - static int fd[MAX_NR_CPUS][MAX_COUNTERS]; static long default_interval = 0; diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 57ad3f458ef..807ca66e7a8 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -38,8 +38,6 @@ static int cwdlen; #define PR_SET_NAME 15 /* Set process name */ #define MAX_CPUS 4096 -#define BUG_ON(x) assert(!(x)) - static u64 run_measurement_overhead; static u64 sleep_measurement_overhead; diff --git a/tools/perf/util/include/asm/bitops.h b/tools/perf/util/include/asm/bitops.h new file mode 100644 index 00000000000..fbe4d921291 --- /dev/null +++ b/tools/perf/util/include/asm/bitops.h @@ -0,0 +1,6 @@ +#include "../../../../include/asm-generic/bitops/__fls.h" +#include "../../../../include/asm-generic/bitops/fls.h" +#include "../../../../include/asm-generic/bitops/fls64.h" +#include "../../../../include/asm-generic/bitops/__ffs.h" +#include "../../../../include/asm-generic/bitops/ffz.h" +#include "../../../../include/asm-generic/bitops/hweight.h" diff --git a/tools/perf/util/include/asm/byteorder.h b/tools/perf/util/include/asm/byteorder.h new file mode 100644 index 00000000000..39f367cfaf5 --- /dev/null +++ b/tools/perf/util/include/asm/byteorder.h @@ -0,0 +1,2 @@ +#include "../asm/types.h" +#include "../../../../include/linux/swab.h" diff --git a/tools/perf/util/include/asm/swab.h b/tools/perf/util/include/asm/swab.h new file mode 100644 index 00000000000..ed538942523 --- /dev/null +++ b/tools/perf/util/include/asm/swab.h @@ -0,0 +1 @@ +/* stub */ diff --git a/tools/perf/util/include/asm/types.h b/tools/perf/util/include/asm/types.h new file mode 100644 index 00000000000..06703c6cd50 --- /dev/null +++ b/tools/perf/util/include/asm/types.h @@ -0,0 +1,17 @@ +#ifndef PERF_ASM_TYPES_H_ +#define PERF_ASM_TYPES_H_ + +#include +#include "../../types.h" +#include + +/* CHECKME: Not sure both always match */ +#define BITS_PER_LONG __WORDSIZE + +typedef u64 __u64; +typedef u32 __u32; +typedef u16 __u16; +typedef u8 __u8; +typedef s64 __s64; + +#endif /* PERF_ASM_TYPES_H_ */ diff --git a/tools/perf/util/include/asm/uaccess.h b/tools/perf/util/include/asm/uaccess.h new file mode 100644 index 00000000000..d0f72b8fcc3 --- /dev/null +++ b/tools/perf/util/include/asm/uaccess.h @@ -0,0 +1,14 @@ +#ifndef _PERF_ASM_UACCESS_H_ +#define _PERF_ASM_UACCESS_H_ + +#define __get_user(src, dest) \ +({ \ + (src) = *dest; \ + 0; \ +}) + +#define get_user __get_user + +#define access_ok(type, addr, size) 1 + +#endif diff --git a/tools/perf/util/include/linux/bitmap.h b/tools/perf/util/include/linux/bitmap.h new file mode 100644 index 00000000000..821c1033bcc --- /dev/null +++ b/tools/perf/util/include/linux/bitmap.h @@ -0,0 +1,2 @@ +#include "../../../../include/linux/bitmap.h" +#include "../../../../include/asm-generic/bitops/find.h" diff --git a/tools/perf/util/include/linux/bitops.h b/tools/perf/util/include/linux/bitops.h new file mode 100644 index 00000000000..ace57c36d1d --- /dev/null +++ b/tools/perf/util/include/linux/bitops.h @@ -0,0 +1,27 @@ +#ifndef _PERF_LINUX_BITOPS_H_ +#define _PERF_LINUX_BITOPS_H_ + +#define __KERNEL__ + +#define CONFIG_GENERIC_FIND_NEXT_BIT +#define CONFIG_GENERIC_FIND_FIRST_BIT +#include "../../../../include/linux/bitops.h" + +static inline void set_bit(int nr, unsigned long *addr) +{ + addr[nr / BITS_PER_LONG] |= 1UL << (nr % BITS_PER_LONG); +} + +static __always_inline int test_bit(unsigned int nr, const unsigned long *addr) +{ + return ((1UL << (nr % BITS_PER_LONG)) & + (((unsigned long *)addr)[nr / BITS_PER_LONG])) != 0; +} + +unsigned long generic_find_next_zero_le_bit(const unsigned long *addr, unsigned + long size, unsigned long offset); + +unsigned long generic_find_next_le_bit(const unsigned long *addr, unsigned + long size, unsigned long offset); + +#endif diff --git a/tools/perf/util/include/linux/compiler.h b/tools/perf/util/include/linux/compiler.h new file mode 100644 index 00000000000..dfb0713ed47 --- /dev/null +++ b/tools/perf/util/include/linux/compiler.h @@ -0,0 +1,10 @@ +#ifndef _PERF_LINUX_COMPILER_H_ +#define _PERF_LINUX_COMPILER_H_ + +#ifndef __always_inline +#define __always_inline inline +#endif +#define __user +#define __attribute_const__ + +#endif diff --git a/tools/perf/util/include/linux/ctype.h b/tools/perf/util/include/linux/ctype.h new file mode 100644 index 00000000000..bae5783282e --- /dev/null +++ b/tools/perf/util/include/linux/ctype.h @@ -0,0 +1 @@ +#include "../../../../include/linux/ctype.h" diff --git a/tools/perf/util/include/linux/kernel.h b/tools/perf/util/include/linux/kernel.h index a6b87390cb5..4b9204d9b26 100644 --- a/tools/perf/util/include/linux/kernel.h +++ b/tools/perf/util/include/linux/kernel.h @@ -1,6 +1,16 @@ #ifndef PERF_LINUX_KERNEL_H_ #define PERF_LINUX_KERNEL_H_ +#include +#include +#include +#include + +#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) + +#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1) +#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) + #ifndef offsetof #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) #endif @@ -26,4 +36,53 @@ _max1 > _max2 ? _max1 : _max2; }) #endif +#ifndef min +#define min(x, y) ({ \ + typeof(x) _min1 = (x); \ + typeof(y) _min2 = (y); \ + (void) (&_min1 == &_min2); \ + _min1 < _min2 ? _min1 : _min2; }) +#endif + +#ifndef BUG_ON +#define BUG_ON(cond) assert(!(cond)) +#endif + +/* + * Both need more care to handle endianness + * (Don't use bitmap_copy_le() for now) + */ +#define cpu_to_le64(x) (x) +#define cpu_to_le32(x) (x) + +static inline int +vscnprintf(char *buf, size_t size, const char *fmt, va_list args) +{ + int i; + ssize_t ssize = size; + + i = vsnprintf(buf, size, fmt, args); + + return (i >= ssize) ? (ssize - 1) : i; +} + +static inline int scnprintf(char * buf, size_t size, const char * fmt, ...) +{ + va_list args; + ssize_t ssize = size; + int i; + + va_start(args, fmt); + i = vsnprintf(buf, size, fmt, args); + va_end(args); + + return (i >= ssize) ? (ssize - 1) : i; +} + +static inline unsigned long +simple_strtoul(const char *nptr, char **endptr, int base) +{ + return strtoul(nptr, endptr, base); +} + #endif diff --git a/tools/perf/util/include/linux/types.h b/tools/perf/util/include/linux/types.h new file mode 100644 index 00000000000..ed538942523 --- /dev/null +++ b/tools/perf/util/include/linux/types.h @@ -0,0 +1 @@ +/* stub */ -- cgit v1.2.3 From 2ba0825075e76236d22a20decd8e2346a99faabe Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Sat, 17 Oct 2009 17:12:34 +0200 Subject: perf tools: Introduce bitmask'ed additional headers This provides a new set of bitmasked headers. A new field is added in the perf headers that implements a bitmap storing optional features present in the perf.data file. The layout can be pictured like this: (Usual perf headers)(Features bitmap)[Feature 0][Feature n][Feature 255] If the bit n is set, then the feature n is used in this file. They are all set in order. This brings a backward and forward compatibility. The trace_info section has moved into such optional features, this is the first and only one for now. This is backward compatible with the .32 file version although it doesn't support the previous separate trace.info file. And finally it doesn't support the current interim development version. Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Mike Galbraith Cc: Paul Mackerras Cc: Steven Rostedt LKML-Reference: <1255792354-11304-2-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar --- tools/perf/builtin-record.c | 4 +- tools/perf/util/header.c | 100 +++++++++++++++++++++++++------------------- tools/perf/util/header.h | 30 ++++++++----- 3 files changed, 78 insertions(+), 56 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index fc3709cba13..f0467ff0d8a 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -574,11 +574,11 @@ static int __cmd_record(int argc, const char **argv) header = perf_header__new(); if (raw_samples) { - perf_header__set_trace_info(); + perf_header__feat_trace_info(header); } else { for (i = 0; i < nr_counters; i++) { if (attrs[i].sample_type & PERF_SAMPLE_RAW) { - perf_header__set_trace_info(); + perf_header__feat_trace_info(header); break; } } diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 9aae360c0f2..171d51b6f35 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -8,6 +8,8 @@ #include "../perf.h" #include "trace-event.h" +#include + /* * Create new perf.data header attribute: */ @@ -48,25 +50,17 @@ void perf_header_attr__add_id(struct perf_header_attr *self, u64 id) */ struct perf_header *perf_header__new(void) { - struct perf_header *self = malloc(sizeof(*self)); + struct perf_header *self = calloc(sizeof(*self), 1); if (!self) die("nomem"); - self->frozen = 0; - - self->attrs = 0; self->size = 1; self->attr = malloc(sizeof(void *)); if (!self->attr) die("nomem"); - self->data_offset = 0; - self->data_size = 0; - self->trace_info_offset = 0; - self->trace_info_size = 0; - return self; } @@ -149,14 +143,12 @@ struct perf_file_header { struct perf_file_section attrs; struct perf_file_section data; struct perf_file_section event_types; - struct perf_file_section trace_info; + feat_mask_t adds_features; }; -static int trace_info; - -void perf_header__set_trace_info(void) +void perf_header__feat_trace_info(struct perf_header *header) { - trace_info = 1; + set_bit(HEADER_TRACE_INFO, perf_header__adds_mask(header)); } static void do_write(int fd, void *buf, size_t size) @@ -172,6 +164,32 @@ static void do_write(int fd, void *buf, size_t size) } } +static void perf_header__adds_write(struct perf_header *self, int fd) +{ + struct perf_file_section trace_sec; + u64 cur_offset = lseek(fd, 0, SEEK_CUR); + unsigned long *feat_mask = perf_header__adds_mask(self); + + if (test_bit(HEADER_TRACE_INFO, feat_mask)) { + /* Write trace info */ + trace_sec.offset = lseek(fd, sizeof(trace_sec), SEEK_CUR); + read_tracing_data(fd, attrs, nr_counters); + trace_sec.size = lseek(fd, 0, SEEK_CUR) - trace_sec.offset; + + /* Write trace info headers */ + lseek(fd, cur_offset, SEEK_SET); + do_write(fd, &trace_sec, sizeof(trace_sec)); + + /* + * Update cur_offset. So that other (future) + * features can set their own infos in this place. But if we are + * the only feature, at least that seeks to the place the data + * should begin. + */ + cur_offset = lseek(fd, trace_sec.offset + trace_sec.size, SEEK_SET); + } +}; + void perf_header__write(struct perf_header *self, int fd) { struct perf_file_header f_header; @@ -210,23 +228,7 @@ void perf_header__write(struct perf_header *self, int fd) if (events) do_write(fd, events, self->event_size); - if (trace_info) { - static int trace_info_written; - - /* - * Write it only once - */ - if (!trace_info_written) { - self->trace_info_offset = lseek(fd, 0, SEEK_CUR); - read_tracing_data(fd, attrs, nr_counters); - self->trace_info_size = lseek(fd, 0, SEEK_CUR) - - self->trace_info_offset; - trace_info_written = 1; - } else { - lseek(fd, self->trace_info_offset + - self->trace_info_size, SEEK_SET); - } - } + perf_header__adds_write(self, fd); self->data_offset = lseek(fd, 0, SEEK_CUR); @@ -246,12 +248,10 @@ void perf_header__write(struct perf_header *self, int fd) .offset = self->event_offset, .size = self->event_size, }, - .trace_info = { - .offset = self->trace_info_offset, - .size = self->trace_info_size, - }, }; + memcpy(&f_header.adds_features, &self->adds_features, sizeof(feat_mask_t)); + lseek(fd, 0, SEEK_SET); do_write(fd, &f_header, sizeof(f_header)); lseek(fd, self->data_offset + self->data_size, SEEK_SET); @@ -274,6 +274,20 @@ static void do_read(int fd, void *buf, size_t size) } } +static void perf_header__adds_read(struct perf_header *self, int fd) +{ + const unsigned long *feat_mask = perf_header__adds_mask(self); + + if (test_bit(HEADER_TRACE_INFO, feat_mask)) { + struct perf_file_section trace_sec; + + do_read(fd, &trace_sec, sizeof(trace_sec)); + lseek(fd, trace_sec.offset, SEEK_SET); + trace_report(fd); + lseek(fd, trace_sec.offset + trace_sec.size, SEEK_SET); + } +}; + struct perf_header *perf_header__read(int fd) { struct perf_header *self = perf_header__new(); @@ -292,9 +306,11 @@ struct perf_header *perf_header__read(int fd) if (f_header.size != sizeof(f_header)) { /* Support the previous format */ - if (f_header.size == offsetof(typeof(f_header), trace_info)) - f_header.trace_info.size = 0; - else + if (f_header.size == offsetof(typeof(f_header), adds_features)) { + unsigned long *mask = (unsigned long *)(void *) + &f_header.adds_features; + bitmap_zero(mask, HEADER_FEAT_BITS); + } else die("incompatible file format"); } nr_attrs = f_header.attrs.size / sizeof(f_attr); @@ -330,13 +346,9 @@ struct perf_header *perf_header__read(int fd) event_count = f_header.event_types.size / sizeof(struct perf_trace_event_type); } - self->trace_info_offset = f_header.trace_info.offset; - self->trace_info_size = f_header.trace_info.size; + memcpy(&self->adds_features, &f_header.adds_features, sizeof(feat_mask_t)); - if (self->trace_info_size) { - lseek(fd, self->trace_info_offset, SEEK_SET); - trace_report(fd); - } + perf_header__adds_read(self, fd); self->event_offset = f_header.event_types.offset; self->event_size = f_header.event_types.size; diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index 30aee5160dc..0eb4a9126b7 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -12,19 +12,29 @@ struct perf_header_attr { off_t id_offset; }; +#define HEADER_TRACE_INFO 1 + +#define HEADER_FEAT_BITS 256 + +typedef typeof(u64[HEADER_FEAT_BITS / 8]) feat_mask_t; + struct perf_header { - int frozen; - int attrs, size; + int frozen; + int attrs, size; struct perf_header_attr **attr; - s64 attr_offset; - u64 data_offset; - u64 data_size; - u64 event_offset; - u64 event_size; - u64 trace_info_offset; - u64 trace_info_size; + s64 attr_offset; + u64 data_offset; + u64 data_size; + u64 event_offset; + u64 event_size; + feat_mask_t adds_features; }; +static inline unsigned long *perf_header__adds_mask(struct perf_header *self) +{ + return (unsigned long *)(void *)&self->adds_features; +} + struct perf_header *perf_header__read(int fd); void perf_header__write(struct perf_header *self, int fd); @@ -42,7 +52,7 @@ void perf_header_attr__add_id(struct perf_header_attr *self, u64 id); u64 perf_header__sample_type(struct perf_header *header); struct perf_event_attr * perf_header__find_attr(u64 id, struct perf_header *header); -void perf_header__set_trace_info(void); +void perf_header__feat_trace_info(struct perf_header *header); struct perf_header *perf_header__new(void); -- cgit v1.2.3 From db9f11e36d0125a5e3e595ea9ef2e4b89f7e8737 Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Sat, 17 Oct 2009 17:57:18 +0200 Subject: perf tools: Use DECLARE_BITMAP instead of an open-coded array Use DECLARE_BITMAP instead of an open coded array for our bitmap of featured sections. This makes the array an unsigned long instead of a u64 but since we use a 256 bits bitmap, the array size shouldn't vary between different boxes. Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Mike Galbraith Cc: Paul Mackerras Cc: Steven Rostedt LKML-Reference: <1255795038-13751-1-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar --- tools/perf/util/header.c | 22 +++++++++------------- tools/perf/util/header.h | 11 +++-------- tools/perf/util/include/asm/asm-offsets.h | 1 + tools/perf/util/include/linux/types.h | 8 +++++++- 4 files changed, 20 insertions(+), 22 deletions(-) create mode 100644 tools/perf/util/include/asm/asm-offsets.h (limited to 'tools') diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 171d51b6f35..622c60e4525 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -8,8 +8,6 @@ #include "../perf.h" #include "trace-event.h" -#include - /* * Create new perf.data header attribute: */ @@ -143,12 +141,12 @@ struct perf_file_header { struct perf_file_section attrs; struct perf_file_section data; struct perf_file_section event_types; - feat_mask_t adds_features; + DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); }; void perf_header__feat_trace_info(struct perf_header *header) { - set_bit(HEADER_TRACE_INFO, perf_header__adds_mask(header)); + set_bit(HEADER_TRACE_INFO, header->adds_features); } static void do_write(int fd, void *buf, size_t size) @@ -168,7 +166,7 @@ static void perf_header__adds_write(struct perf_header *self, int fd) { struct perf_file_section trace_sec; u64 cur_offset = lseek(fd, 0, SEEK_CUR); - unsigned long *feat_mask = perf_header__adds_mask(self); + unsigned long *feat_mask = self->adds_features; if (test_bit(HEADER_TRACE_INFO, feat_mask)) { /* Write trace info */ @@ -250,7 +248,7 @@ void perf_header__write(struct perf_header *self, int fd) }, }; - memcpy(&f_header.adds_features, &self->adds_features, sizeof(feat_mask_t)); + memcpy(&f_header.adds_features, &self->adds_features, sizeof(self->adds_features)); lseek(fd, 0, SEEK_SET); do_write(fd, &f_header, sizeof(f_header)); @@ -276,7 +274,7 @@ static void do_read(int fd, void *buf, size_t size) static void perf_header__adds_read(struct perf_header *self, int fd) { - const unsigned long *feat_mask = perf_header__adds_mask(self); + const unsigned long *feat_mask = self->adds_features; if (test_bit(HEADER_TRACE_INFO, feat_mask)) { struct perf_file_section trace_sec; @@ -306,11 +304,9 @@ struct perf_header *perf_header__read(int fd) if (f_header.size != sizeof(f_header)) { /* Support the previous format */ - if (f_header.size == offsetof(typeof(f_header), adds_features)) { - unsigned long *mask = (unsigned long *)(void *) - &f_header.adds_features; - bitmap_zero(mask, HEADER_FEAT_BITS); - } else + if (f_header.size == offsetof(typeof(f_header), adds_features)) + bitmap_zero(f_header.adds_features, HEADER_FEAT_BITS); + else die("incompatible file format"); } nr_attrs = f_header.attrs.size / sizeof(f_attr); @@ -346,7 +342,7 @@ struct perf_header *perf_header__read(int fd) event_count = f_header.event_types.size / sizeof(struct perf_trace_event_type); } - memcpy(&self->adds_features, &f_header.adds_features, sizeof(feat_mask_t)); + memcpy(&self->adds_features, &f_header.adds_features, sizeof(f_header.adds_features)); perf_header__adds_read(self, fd); diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index 0eb4a9126b7..2ea9dfb1236 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -5,6 +5,8 @@ #include #include "types.h" +#include + struct perf_header_attr { struct perf_event_attr attr; int ids, size; @@ -16,8 +18,6 @@ struct perf_header_attr { #define HEADER_FEAT_BITS 256 -typedef typeof(u64[HEADER_FEAT_BITS / 8]) feat_mask_t; - struct perf_header { int frozen; int attrs, size; @@ -27,14 +27,9 @@ struct perf_header { u64 data_size; u64 event_offset; u64 event_size; - feat_mask_t adds_features; + DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); }; -static inline unsigned long *perf_header__adds_mask(struct perf_header *self) -{ - return (unsigned long *)(void *)&self->adds_features; -} - struct perf_header *perf_header__read(int fd); void perf_header__write(struct perf_header *self, int fd); diff --git a/tools/perf/util/include/asm/asm-offsets.h b/tools/perf/util/include/asm/asm-offsets.h new file mode 100644 index 00000000000..ed538942523 --- /dev/null +++ b/tools/perf/util/include/asm/asm-offsets.h @@ -0,0 +1 @@ +/* stub */ diff --git a/tools/perf/util/include/linux/types.h b/tools/perf/util/include/linux/types.h index ed538942523..858a38d0843 100644 --- a/tools/perf/util/include/linux/types.h +++ b/tools/perf/util/include/linux/types.h @@ -1 +1,7 @@ -/* stub */ +#ifndef _PERF_LINUX_TYPES_H_ +#define _PERF_LINUX_TYPES_H_ + +#define DECLARE_BITMAP(name,bits) \ + unsigned long name[BITS_TO_LONGS(bits)] + +#endif -- cgit v1.2.3 From dc79959aaf80e518741657a702fa2727c86c1189 Mon Sep 17 00:00:00 2001 From: Tim Blechmann Date: Sat, 17 Oct 2009 18:08:29 +0200 Subject: perf top: Fix --delay_secs 0 division by zero Add delay_secs sanity check to handle_keypress, this fixes a division by zero crash. Signed-off-by: Tim Blechmann Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Mike Galbraith Cc: Arnaldo Carvalho de Melo Cc: Frederic Weisbecker LKML-Reference: <4AD9EBFD.106@klingt.org> Signed-off-by: Ingo Molnar --- tools/perf/builtin-top.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'tools') diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 37512e93623..a1b1d10912d 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -686,6 +686,8 @@ static void handle_keypress(int c) switch (c) { case 'd': prompt_integer(&delay_secs, "Enter display delay"); + if (delay_secs < 1) + delay_secs = 1; break; case 'e': prompt_integer(&print_entries, "Enter display entries (lines)"); -- cgit v1.2.3 From 1abc7f5500fff8422f34826a006648d8741d83d3 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Sun, 18 Oct 2009 19:20:24 -0700 Subject: perf tools: Display better error messages on missing packages Check for libelf headers and glibc headers separately so that the error message correctly identifies which package installation is missing/needed. Signed-off-by: Randy Dunlap Cc: paulus@samba.org Cc: a.p.zijlstra@chello.nl Cc: efault@gmx.de Cc: fweisbec@gmail.com Cc: Arnaldo Carvalho de Melo LKML-Reference: <4ADBCCE8.3060300@oracle.com> Signed-off-by: Ingo Molnar --- tools/perf/Makefile | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'tools') diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 2400e5068a2..db89a6de9d0 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -431,8 +431,12 @@ ifeq ($(uname_S),Darwin) PTHREAD_LIBS = endif +ifneq ($(shell sh -c "(echo '\#include '; echo 'int main(void) { const char * version = gnu_get_libc_version(); return (long)version; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o /dev/null $(ALL_LDFLAGS) > /dev/null 2>&1 && echo y"), y) + msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]); +endif + ifneq ($(shell sh -c "(echo '\#include '; echo 'int main(void) { Elf * elf = elf_begin(0, ELF_C_READ_MMAP, 0); return (long)elf; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o /dev/null $(ALL_LDFLAGS) > /dev/null 2>&1 && echo y"), y) - msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel and glibc-dev[el]); + msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel); endif ifdef NO_DEMANGLE -- cgit v1.2.3 From 12133afffcc7140eea915b1572189a2ea0cf7b0e Mon Sep 17 00:00:00 2001 From: Tim Blechmann Date: Mon, 19 Oct 2009 12:03:33 +0200 Subject: perf stat: Add branch performance events to default output Adds performance event information about branches and branch misses to the default output of perf stat. Signed-off-by: Tim Blechmann Cc: Paul Mackerras Cc: Peter Zijlstra LKML-Reference: <4ADC3975.8050109@klingt.org> Signed-off-by: Ingo Molnar --- tools/perf/builtin-stat.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'tools') diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index c37368343ff..95a55eaf72f 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -59,6 +59,8 @@ static struct perf_event_attr default_attrs[] = { { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_REFERENCES}, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_MISSES }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS}, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, }; -- cgit v1.2.3 From 56aab464ff6232bcc2f53b26576983dc83f75db7 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 19 Oct 2009 13:27:08 +0200 Subject: perf stat: Re-align the default_attrs[] array Clean up the array definition to be vertically aligned. No functional effects. Cc: Tim Blechmann Cc: Paul Mackerras Cc: Peter Zijlstra LKML-Reference: <4ADC3975.8050109@klingt.org> Signed-off-by: Ingo Molnar --- tools/perf/builtin-stat.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index c373683..95a55ea 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -59,6 +59,8 @@ static struct perf_event_attr default_attrs[] = { { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_REFERENCES}, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_MISSES }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS}, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, }; --- tools/perf/builtin-stat.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 95a55eaf72f..90e0a268343 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -50,17 +50,17 @@ static struct perf_event_attr default_attrs[] = { - { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, - { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES}, - { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, - { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, - - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_REFERENCES}, - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_MISSES }, - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS}, - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, + { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, + { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, + { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, + { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, + + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_REFERENCES }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_MISSES }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, }; -- cgit v1.2.3 From dd86e72abdbc4b436471af5a97927c6145f5298c Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 19 Oct 2009 13:33:03 +0200 Subject: perf stat: Count branches first Count branches first, cache-misses second. The reason is that on x86 branches are not counted by all counters on all CPUs. Before: Performance counter stats for 'ls': 0.756653 task-clock-msecs # 0.802 CPUs 0 context-switches # 0.000 M/sec 0 CPU-migrations # 0.000 M/sec 250 page-faults # 0.330 M/sec 2375725 cycles # 3139.781 M/sec 1628129 instructions # 0.685 IPC 19643 cache-references # 25.960 M/sec 4608 cache-misses # 6.090 M/sec 342532 branches # 452.694 M/sec branch-misses 0.000943356 seconds time elapsed After: Performance counter stats for 'ls': 1.056734 task-clock-msecs # 0.859 CPUs 0 context-switches # 0.000 M/sec 0 CPU-migrations # 0.000 M/sec 259 page-faults # 0.245 M/sec 3345932 cycles # 3166.295 M/sec 3074090 instructions # 0.919 IPC 616928 branches # 583.806 M/sec 39279 branch-misses # 6.367 % 21312 cache-references # 20.168 M/sec 3661 cache-misses # 3.464 M/sec 0.001230551 seconds time elapsed (also prettify the printout of branch misses, in case it's getting scaled.) Cc: Tim Blechmann Cc: Paul Mackerras Cc: Peter Zijlstra LKML-Reference: <4ADC3975.8050109@klingt.org> Signed-off-by: Ingo Molnar --- tools/perf/builtin-stat.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index c373683..95a55ea 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -59,6 +59,8 @@ static struct perf_event_attr default_attrs[] = { { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_REFERENCES}, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_MISSES }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS}, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, }; --- tools/perf/builtin-stat.c | 20 ++++++++++---------- 1 files changed, 10 insertions(+), 10 deletions(-) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 95a55ea..90e0a26 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -50,17 +50,17 @@ static struct perf_event_attr default_attrs[] = { - { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, - { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES}, - { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, - { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, - - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_REFERENCES}, - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_MISSES }, - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS}, - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, + { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, + { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, + { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, + { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, + + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_REFERENCES }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_MISSES }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, }; --- tools/perf/builtin-stat.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 90e0a268343..c6df3770b87 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -57,10 +57,10 @@ static struct perf_event_attr default_attrs[] = { { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_REFERENCES }, - { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_MISSES }, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_REFERENCES }, + { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CACHE_MISSES }, }; @@ -363,7 +363,7 @@ static void abs_printout(int counter, double avg) if (total) ratio = avg * 100 / total; - fprintf(stderr, " # %10.3f %% ", ratio); + fprintf(stderr, " # %10.3f %% ", ratio); } else { total = avg_stats(&runtime_nsecs_stats); -- cgit v1.2.3 From 20639c15d2e78f180d398a6b6422880fac3258bb Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 19 Oct 2009 15:11:36 -0200 Subject: perf tools: Add missing tools/perf/util/include/string.h To cure a bunch of: In file included from util/include/linux/bitmap.h:1, from util/header.h:8, from builtin-trace.c:7: util/include/../../../../include/linux/bitmap.h:8:26: error: linux/string.h: No such file or directory make: *** [builtin-trace.o] Error 1 make: *** Waiting for unfinished jobs.... Signed-off-by: Arnaldo Carvalho de Melo Acked-by: Frederic Weisbecker Cc: Steven Rostedt Cc: Peter Zijlstra LKML-Reference: <1255972296-11500-1-git-send-email-acme@redhat.com> Signed-off-by: Ingo Molnar --- tools/perf/Makefile | 1 + tools/perf/util/include/linux/string.h | 1 + 2 files changed, 2 insertions(+) create mode 100644 tools/perf/util/include/linux/string.h (limited to 'tools') diff --git a/tools/perf/Makefile b/tools/perf/Makefile index db89a6de9d0..3b154f17d95 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -329,6 +329,7 @@ LIB_H += ../../include/linux/perf_event.h LIB_H += ../../include/linux/rbtree.h LIB_H += ../../include/linux/list.h LIB_H += util/include/linux/list.h +LIB_H += util/include/linux/string.h LIB_H += perf.h LIB_H += util/event.h LIB_H += util/types.h diff --git a/tools/perf/util/include/linux/string.h b/tools/perf/util/include/linux/string.h new file mode 100644 index 00000000000..3b2f5900276 --- /dev/null +++ b/tools/perf/util/include/linux/string.h @@ -0,0 +1 @@ +#include -- cgit v1.2.3 From 79b9ad361be8c6f3eeea97dd3883e8bcfa989333 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 19 Oct 2009 15:31:31 -0200 Subject: perf tools: Add bunch of missing headers to LIB_H Build dependencies were not properly mapped out. Signed-off-by: Arnaldo Carvalho de Melo Cc: Peter Zijlstra Cc: Frederic Weisbecker LKML-Reference: <1255973491-11626-1-git-send-email-acme@redhat.com> Signed-off-by: Ingo Molnar --- tools/perf/Makefile | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'tools') diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 3b154f17d95..64c6b7b57d8 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -328,8 +328,25 @@ LIB_FILE=libperf.a LIB_H += ../../include/linux/perf_event.h LIB_H += ../../include/linux/rbtree.h LIB_H += ../../include/linux/list.h +LIB_H += util/include/linux/bitmap.h +LIB_H += util/include/linux/bitops.h +LIB_H += util/include/linux/compiler.h +LIB_H += util/include/linux/ctype.h +LIB_H += util/include/linux/kernel.h LIB_H += util/include/linux/list.h +LIB_H += util/include/linux/module.h +LIB_H += util/include/linux/poison.h +LIB_H += util/include/linux/prefetch.h +LIB_H += util/include/linux/rbtree.h LIB_H += util/include/linux/string.h +LIB_H += util/include/linux/types.h +LIB_H += util/include/asm/asm-offsets.h +LIB_H += util/include/asm/bitops.h +LIB_H += util/include/asm/byteorder.h +LIB_H += util/include/asm/swab.h +LIB_H += util/include/asm/system.h +LIB_H += util/include/asm/types.h +LIB_H += util/include/asm/uaccess.h LIB_H += perf.h LIB_H += util/event.h LIB_H += util/types.h -- cgit v1.2.3 From 3bc2a39c69d423d5d1f0b3ef77960b1464c976a0 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Tue, 20 Oct 2009 06:46:49 +0900 Subject: perf timechart: Fix the wakeup-arrows that point to non-visible processes The timechart wakeup arrows currently show no process information when the waker/wakee are processes that are not actually chosen to be shown on the timechart. This patch fixes this oversight, by looking through all processes (after giving preference to visible processes) as well as falling back to just showing the PID if no name for the process can be resolved. Signed-off-by: Arjan van de Ven Cc: Peter Zijlstra Cc: Mike Galbraith Cc: Paul Mackerras Cc: Arnaldo Carvalho de Melo Cc: Frederic Weisbecker LKML-Reference: <20091020064649.0e4959b2@infradead.org> Signed-off-by: Ingo Molnar --- tools/perf/builtin-timechart.c | 28 ++++++++++++++++++++++++++-- 1 file changed, 26 insertions(+), 2 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index 702d8fe58fb..e8a510d935e 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -765,19 +765,40 @@ static void draw_wakeups(void) if (c->Y && c->start_time <= we->time && c->end_time >= we->time) { if (p->pid == we->waker) { from = c->Y; - task_from = c->comm; + task_from = strdup(c->comm); } if (p->pid == we->wakee) { to = c->Y; - task_to = c->comm; + task_to = strdup(c->comm); } } c = c->next; } + c = p->all; + while (c) { + if (p->pid == we->waker && !from) { + from = c->Y; + task_from = strdup(c->comm); + } + if (p->pid == we->wakee && !to) { + to = c->Y; + task_to = strdup(c->comm); + } + c = c->next; + } } p = p->next; } + if (!task_from) { + task_from = malloc(40); + sprintf(task_from, "[%i]", we->waker); + } + if (!task_to) { + task_to = malloc(40); + sprintf(task_to, "[%i]", we->wakee); + } + if (we->waker == -1) svg_interrupt(we->time, to); else if (from && to && abs(from - to) == 1) @@ -785,6 +806,9 @@ static void draw_wakeups(void) else svg_partial_wakeline(we->time, from, task_from, to, task_to); we = we->next; + + free(task_from); + free(task_to); } } -- cgit v1.2.3 From 2e600d01c131ee189f55ca1879cd364b9e056df8 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Tue, 20 Oct 2009 06:47:31 +0900 Subject: perf timechart: Improve the visual appearance of scheduler delays [from KS feedback] Currently, scheduler delays are shown in a mostly transparent, light yellow color. This color is rather hard to see on several screens, especially projectors. This patch changes the color of the scheduler delays to be a much more "hard" yellow that survived the kernel summit projector. Reported-by: Linus Torvalds Signed-off-by: Arjan van de Ven Cc: Mike Galbraith Cc: Paul Mackerras Cc: Arnaldo Carvalho de Melo Cc: Frederic Weisbecker LKML-Reference: <20091020064731.20ae126a@infradead.org> Signed-off-by: Ingo Molnar --- tools/perf/util/svghelper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'tools') diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c index 856655d8b0b..b3637db025a 100644 --- a/tools/perf/util/svghelper.c +++ b/tools/perf/util/svghelper.c @@ -103,7 +103,7 @@ void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end) fprintf(svgfile, " rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); fprintf(svgfile, " rect.sample { fill:rgb( 0, 0,255); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); fprintf(svgfile, " rect.blocked { fill:rgb(255, 0, 0); fill-opacity:0.5; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); - fprintf(svgfile, " rect.waiting { fill:rgb(214,214, 0); fill-opacity:0.3; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); + fprintf(svgfile, " rect.waiting { fill:rgb(224,214, 0); fill-opacity:0.8; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); fprintf(svgfile, " rect.WAITING { fill:rgb(255,214, 48); fill-opacity:0.6; stroke-width:0; stroke:rgb( 0, 0, 0); } \n"); fprintf(svgfile, " rect.cpu { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n"); fprintf(svgfile, " rect.pstate { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n"); -- cgit v1.2.3 From bbe2987bea26a684ff11d887dfc4cf39b22c27a2 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Tue, 20 Oct 2009 07:09:39 +0900 Subject: perf timechart: Add a process filter During the Kernel Summit demo of perf/ftrace/timechart, there was a feature request to have a process filter for timechart so that you can zoom into one or a few processes that you are really interested in. This patch adds basic support for this feature, the -p (--process) option now can select a PID or a process name to be shown. Multiple -p options are allowed, and the combined set will be included in the output. Signed-off-by: Arjan van de Ven Cc: Peter Zijlstra Cc: Mike Galbraith Cc: Paul Mackerras Cc: Arnaldo Carvalho de Melo Cc: Frederic Weisbecker LKML-Reference: <20091020070939.7d0fb8a7@infradead.org> Signed-off-by: Ingo Molnar --- tools/perf/Documentation/perf-timechart.txt | 5 +- tools/perf/builtin-timechart.c | 105 +++++++++++++++++++++++++++- 2 files changed, 106 insertions(+), 4 deletions(-) (limited to 'tools') diff --git a/tools/perf/Documentation/perf-timechart.txt b/tools/perf/Documentation/perf-timechart.txt index a7910099d6f..4b1788355ec 100644 --- a/tools/perf/Documentation/perf-timechart.txt +++ b/tools/perf/Documentation/perf-timechart.txt @@ -31,9 +31,12 @@ OPTIONS -w:: --width=:: Select the width of the SVG file (default: 1000) --p:: +-P:: --power-only:: Only output the CPU power section of the diagram +-p:: +--process:: + Select the processes to display, by name or PID SEE ALSO diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index e8a510d935e..34fad57087f 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -153,6 +153,17 @@ static struct wake_event *wake_events; struct sample_wrapper *all_samples; + +struct process_filter; +struct process_filter { + char *name; + int pid; + struct process_filter *next; +}; + +static struct process_filter *process_filter; + + static struct per_pid *find_create_pid(int pid) { struct per_pid *cursor = all_data; @@ -763,11 +774,11 @@ static void draw_wakeups(void) c = p->all; while (c) { if (c->Y && c->start_time <= we->time && c->end_time >= we->time) { - if (p->pid == we->waker) { + if (p->pid == we->waker && !from) { from = c->Y; task_from = strdup(c->comm); } - if (p->pid == we->wakee) { + if (p->pid == we->wakee && !to) { to = c->Y; task_to = strdup(c->comm); } @@ -882,12 +893,89 @@ static void draw_process_bars(void) } } +static void add_process_filter(const char *string) +{ + struct process_filter *filt; + int pid; + + pid = strtoull(string, NULL, 10); + filt = malloc(sizeof(struct process_filter)); + if (!filt) + return; + + filt->name = strdup(string); + filt->pid = pid; + filt->next = process_filter; + + process_filter = filt; +} + +static int passes_filter(struct per_pid *p, struct per_pidcomm *c) +{ + struct process_filter *filt; + if (!process_filter) + return 1; + + filt = process_filter; + while (filt) { + if (filt->pid && p->pid == filt->pid) + return 1; + if (strcmp(filt->name, c->comm) == 0) + return 1; + filt = filt->next; + } + return 0; +} + +static int determine_display_tasks_filtered(void) +{ + struct per_pid *p; + struct per_pidcomm *c; + int count = 0; + + p = all_data; + while (p) { + p->display = 0; + if (p->start_time == 1) + p->start_time = first_time; + + /* no exit marker, task kept running to the end */ + if (p->end_time == 0) + p->end_time = last_time; + + c = p->all; + + while (c) { + c->display = 0; + + if (c->start_time == 1) + c->start_time = first_time; + + if (passes_filter(p, c)) { + c->display = 1; + p->display = 1; + count++; + } + + if (c->end_time == 0) + c->end_time = last_time; + + c = c->next; + } + p = p->next; + } + return count; +} + static int determine_display_tasks(u64 threshold) { struct per_pid *p; struct per_pidcomm *c; int count = 0; + if (process_filter) + return determine_display_tasks_filtered(); + p = all_data; while (p) { p->display = 0; @@ -1153,6 +1241,14 @@ static int __cmd_record(int argc, const char **argv) return cmd_record(i, rec_argv, NULL); } +static int +parse_process(const struct option *opt __used, const char *arg, int __used unset) +{ + if (arg) + add_process_filter(arg); + return 0; +} + static const struct option options[] = { OPT_STRING('i', "input", &input_name, "file", "input file name"), @@ -1160,8 +1256,11 @@ static const struct option options[] = { "output file name"), OPT_INTEGER('w', "width", &svg_page_width, "page width"), - OPT_BOOLEAN('p', "power-only", &power_only, + OPT_BOOLEAN('P', "power-only", &power_only, "output power data only"), + OPT_CALLBACK('p', "process", NULL, "process", + "process selector. Pass a pid or process name.", + parse_process), OPT_END() }; -- cgit v1.2.3 From ed52ce2e3c33dc7626a40fa2da766d1a6460e543 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 19 Oct 2009 17:17:57 -0200 Subject: perf tools: Add ->unmap_ip operation to struct map We need this because we get section relative addresses when reading the symtabs, but when a tool like 'perf annotate' needs to match these address to what 'objdump -dS' produces we need the address + section back again. So in annotate now we look at the 'struct hist_entry' instances (that weren't really being used) so that we iterate only over the symbols that had some hit and get the map where that particular hit happened so that we can get the right address to match with annotate. Verified that at least: perf annotate mmap_read_counter # Uses the ~/bin/perf binary perf annotate --vmlinux /home/acme/git/build/perf/vmlinux intel_pmu_enable_all on a 'perf record perf top' session seems to work. Signed-off-by: Arnaldo Carvalho de Melo Cc: Frederic Weisbecker Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Mike Galbraith LKML-Reference: <1255979877-12533-1-git-send-email-acme@redhat.com> Signed-off-by: Ingo Molnar --- tools/perf/builtin-annotate.c | 62 +++++++++++++++++++++++++++++-------------- tools/perf/util/event.h | 8 +++++- tools/perf/util/map.c | 6 +++-- tools/perf/util/symbol.c | 8 +++--- 4 files changed, 58 insertions(+), 26 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 56ba71658d7..06f10278b28 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -58,9 +58,12 @@ static void hist_hit(struct hist_entry *he, u64 ip) return; sym_size = sym->end - sym->start; - ip = he->map->map_ip(he->map, ip); offset = ip - sym->start; + if (verbose) + fprintf(stderr, "%s: ip=%Lx\n", __func__, + he->map->unmap_ip(he->map, ip)); + if (offset >= sym_size) return; @@ -83,8 +86,7 @@ static int hist_entry__add(struct thread *thread, struct map *map, count, level, &hit); if (he == NULL) return -ENOMEM; - if (hit) - hist_hit(he, ip); + hist_hit(he, ip); return 0; } @@ -260,14 +262,15 @@ process_event(event_t *event, unsigned long offset, unsigned long head) return 0; } -static int -parse_line(FILE *file, struct symbol *sym, u64 len) +static int parse_line(FILE *file, struct hist_entry *he, u64 len) { + struct symbol *sym = he->sym; char *line = NULL, *tmp, *tmp2; static const char *prev_line; static const char *prev_color; unsigned int offset; size_t line_len; + u64 start; s64 line_ip; int ret; char *c; @@ -304,6 +307,8 @@ parse_line(FILE *file, struct symbol *sym, u64 len) line_ip = -1; } + start = he->map->unmap_ip(he->map, sym->start); + if (line_ip != -1) { const char *path = NULL; unsigned int hits = 0; @@ -311,7 +316,7 @@ parse_line(FILE *file, struct symbol *sym, u64 len) const char *color; struct sym_ext *sym_ext = sym->priv; - offset = line_ip - sym->start; + offset = line_ip - start; if (offset < len) hits = sym->hist[offset]; @@ -390,8 +395,10 @@ static void free_source_line(struct symbol *sym, int len) /* Get the filename:line for the colored entries */ static void -get_source_line(struct symbol *sym, int len, const char *filename) +get_source_line(struct hist_entry *he, int len, const char *filename) { + struct symbol *sym = he->sym; + u64 start; int i; char cmd[PATH_MAX * 2]; struct sym_ext *sym_ext; @@ -404,6 +411,7 @@ get_source_line(struct symbol *sym, int len, const char *filename) return; sym_ext = sym->priv; + start = he->map->unmap_ip(he->map, sym->start); for (i = 0; i < len; i++) { char *path = NULL; @@ -415,7 +423,7 @@ get_source_line(struct symbol *sym, int len, const char *filename) if (sym_ext[i].percent <= 0.5) continue; - offset = sym->start + i; + offset = start + i; sprintf(cmd, "addr2line -e %s %016llx", filename, offset); fp = popen(cmd, "r"); if (!fp) @@ -465,8 +473,11 @@ static void print_summary(const char *filename) } } -static void annotate_sym(struct dso *dso, struct symbol *sym) +static void annotate_sym(struct hist_entry *he) { + struct map *map = he->map; + struct dso *dso = map->dso; + struct symbol *sym = he->sym; const char *filename = dso->long_name, *d_filename; u64 len; char command[PATH_MAX*2]; @@ -475,6 +486,12 @@ static void annotate_sym(struct dso *dso, struct symbol *sym) if (!filename) return; + if (verbose) + fprintf(stderr, "%s: filename=%s, sym=%s, start=%Lx, end=%Lx\n", + __func__, filename, sym->name, + map->unmap_ip(map, sym->start), + map->unmap_ip(map, sym->end)); + if (full_paths) d_filename = filename; else @@ -483,7 +500,7 @@ static void annotate_sym(struct dso *dso, struct symbol *sym) len = sym->end - sym->start; if (print_line) { - get_source_line(sym, len, filename); + get_source_line(he, len, filename); print_summary(filename); } @@ -496,7 +513,8 @@ static void annotate_sym(struct dso *dso, struct symbol *sym) dso, dso->long_name, sym, sym->name); sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s", - sym->start, sym->end, filename, filename); + map->unmap_ip(map, sym->start), map->unmap_ip(map, sym->end), + filename, filename); if (verbose >= 3) printf("doing: %s\n", command); @@ -506,7 +524,7 @@ static void annotate_sym(struct dso *dso, struct symbol *sym) return; while (!feof(file)) { - if (parse_line(file, sym, len) < 0) + if (parse_line(file, he, len) < 0) break; } @@ -518,18 +536,22 @@ static void annotate_sym(struct dso *dso, struct symbol *sym) static void find_annotations(void) { struct rb_node *nd; - struct dso *dso; int count = 0; - list_for_each_entry(dso, &dsos, node) { + for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) { + struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); - for (nd = rb_first(&dso->syms); nd; nd = rb_next(nd)) { - struct symbol *sym = rb_entry(nd, struct symbol, rb_node); + if (he->sym && he->sym->hist) { + annotate_sym(he); + count++; + /* + * Since we have a hist_entry per IP for the same + * symbol, free he->sym->hist to signal we already + * processed this symbol. + */ + free(he->sym->hist); + he->sym->hist = NULL; - if (sym->hist) { - annotate_sym(dso, sym); - count++; - } } } diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index c2e62be6279..6b5be56a827 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -82,6 +82,7 @@ struct map { u64 end; u64 pgoff; u64 (*map_ip)(struct map *, u64); + u64 (*unmap_ip)(struct map *, u64); struct dso *dso; }; @@ -90,7 +91,12 @@ static inline u64 map__map_ip(struct map *map, u64 ip) return ip - map->start + map->pgoff; } -static inline u64 vdso__map_ip(struct map *map __used, u64 ip) +static inline u64 map__unmap_ip(struct map *map, u64 ip) +{ + return ip + map->start - map->pgoff; +} + +static inline u64 identity__map_ip(struct map *map __used, u64 ip) { return ip; } diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 804e0238273..4e203d144f9 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -54,9 +54,11 @@ static int strcommon(const char *pathname, char *cwd, int cwdlen) goto out_delete; if (self->dso == vdso || anon) - self->map_ip = vdso__map_ip; - else + self->map_ip = self->unmap_ip = identity__map_ip; + else { self->map_ip = map__map_ip; + self->unmap_ip = map__unmap_ip; + } } return self; out_delete: diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index faa84f5d4f5..3350119f690 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -337,7 +337,7 @@ static int kernel_maps__split_kallsyms(symbol_filter_t filter, int use_modules) return -1; } - map->map_ip = vdso__map_ip; + map->map_ip = map->unmap_ip = identity__map_ip; kernel_maps__insert(map); ++kernel_range; } @@ -790,7 +790,8 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, dso__delete(curr_dso); goto out_elf_end; } - curr_map->map_ip = vdso__map_ip; + curr_map->map_ip = identity__map_ip; + curr_map->unmap_ip = identity__map_ip; curr_dso->origin = DSO__ORIG_KERNEL; kernel_maps__insert(curr_map); dsos__add(curr_dso); @@ -1158,6 +1159,7 @@ static struct map *map__new2(u64 start, struct dso *dso) self->pgoff = 0; self->dso = dso; self->map_ip = map__map_ip; + self->unmap_ip = map__unmap_ip; RB_CLEAR_NODE(&self->rb_node); } return self; @@ -1259,7 +1261,7 @@ int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size, if (kernel_map == NULL) goto out_delete_dso; - kernel_map->map_ip = vdso__map_ip; + kernel_map->map_ip = kernel_map->unmap_ip = identity__map_ip; if (use_modules && dsos__load_modules(sym_priv_size) < 0) { fprintf(stderr, "Failed to load list of modules in use! " -- cgit v1.2.3 From e42049926ebdcae24fdfdc8f0e3ff8f05f24a60b Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Tue, 20 Oct 2009 14:25:40 -0200 Subject: perf annotate: Use the sym_priv_size area for the histogram We have this sym_priv_size mechanism for attaching private areas to struct symbol entries but annotate wasn't using it, adding private areas to struct symbol in addition to a ->priv pointer. Scrap all that and use the sym_priv_size mechanism. Signed-off-by: Arnaldo Carvalho de Melo Cc: Frederic Weisbecker Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Mike Galbraith LKML-Reference: <1256055940-19511-1-git-send-email-acme@redhat.com> Signed-off-by: Ingo Molnar --- tools/perf/builtin-annotate.c | 109 ++++++++++++++++++++++++++++++------------ tools/perf/builtin-report.c | 2 +- tools/perf/util/data_map.c | 2 +- tools/perf/util/event.h | 8 +++- tools/perf/util/map.c | 21 +++++++- tools/perf/util/symbol.c | 56 ++++++++-------------- tools/perf/util/symbol.h | 17 +++---- 7 files changed, 132 insertions(+), 83 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 06f10278b28..245692530de 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -37,12 +37,44 @@ static int print_line; static unsigned long page_size; static unsigned long mmap_window = 32; +struct sym_hist { + u64 sum; + u64 ip[0]; +}; + struct sym_ext { struct rb_node node; double percent; char *path; }; +struct sym_priv { + struct sym_hist *hist; + struct sym_ext *ext; +}; + +static const char *sym_hist_filter; + +static int symbol_filter(struct map *map, struct symbol *sym) +{ + if (strcmp(sym->name, sym_hist_filter) == 0) { + struct sym_priv *priv = dso__sym_priv(map->dso, sym); + const int size = (sizeof(*priv->hist) + + (sym->end - sym->start) * sizeof(u64)); + + priv->hist = malloc(size); + if (priv->hist) + memset(priv->hist, 0, size); + return 0; + } + /* + * FIXME: We should really filter it out, as we don't want to go thru symbols + * we're not interested, and if a DSO ends up with no symbols, delete it too, + * but right now the kernel loading routines in symbol.c bail out if no symbols + * are found, fix it later. + */ + return 0; +} /* * collect histogram counts @@ -51,10 +83,16 @@ static void hist_hit(struct hist_entry *he, u64 ip) { unsigned int sym_size, offset; struct symbol *sym = he->sym; + struct sym_priv *priv; + struct sym_hist *h; he->count++; - if (!sym || !sym->hist) + if (!sym || !he->map) + return; + + priv = dso__sym_priv(he->map->dso, sym); + if (!priv->hist) return; sym_size = sym->end - sym->start; @@ -67,15 +105,16 @@ static void hist_hit(struct hist_entry *he, u64 ip) if (offset >= sym_size) return; - sym->hist_sum++; - sym->hist[offset]++; + h = priv->hist; + h->sum++; + h->ip[offset]++; if (verbose >= 3) printf("%p %s: count++ [ip: %p, %08Lx] => %Ld\n", (void *)(unsigned long)he->sym->start, he->sym->name, (void *)(unsigned long)ip, ip - he->sym->start, - sym->hist[offset]); + h->ip[offset]); } static int hist_entry__add(struct thread *thread, struct map *map, @@ -162,7 +201,9 @@ got_map: static int process_mmap_event(event_t *event, unsigned long offset, unsigned long head) { - struct map *map = map__new(&event->mmap, NULL, 0); + struct map *map = map__new(&event->mmap, NULL, 0, + sizeof(struct sym_priv), symbol_filter, + verbose); struct thread *thread = threads__findnew(event->mmap.pid); dump_printf("%p [%p]: PERF_RECORD_MMAP %d: [%p(%p) @ %p]: %s\n", @@ -314,17 +355,19 @@ static int parse_line(FILE *file, struct hist_entry *he, u64 len) unsigned int hits = 0; double percent = 0.0; const char *color; - struct sym_ext *sym_ext = sym->priv; + struct sym_priv *priv = dso__sym_priv(he->map->dso, sym); + struct sym_ext *sym_ext = priv->ext; + struct sym_hist *h = priv->hist; offset = line_ip - start; if (offset < len) - hits = sym->hist[offset]; + hits = h->ip[offset]; if (offset < len && sym_ext) { path = sym_ext[offset].path; percent = sym_ext[offset].percent; - } else if (sym->hist_sum) - percent = 100.0 * hits / sym->hist_sum; + } else if (h->sum) + percent = 100.0 * hits / h->sum; color = get_percent_color(percent); @@ -377,9 +420,10 @@ static void insert_source_line(struct sym_ext *sym_ext) rb_insert_color(&sym_ext->node, &root_sym_ext); } -static void free_source_line(struct symbol *sym, int len) +static void free_source_line(struct hist_entry *he, int len) { - struct sym_ext *sym_ext = sym->priv; + struct sym_priv *priv = dso__sym_priv(he->map->dso, he->sym); + struct sym_ext *sym_ext = priv->ext; int i; if (!sym_ext) @@ -389,7 +433,7 @@ static void free_source_line(struct symbol *sym, int len) free(sym_ext[i].path); free(sym_ext); - sym->priv = NULL; + priv->ext = NULL; root_sym_ext = RB_ROOT; } @@ -402,15 +446,16 @@ get_source_line(struct hist_entry *he, int len, const char *filename) int i; char cmd[PATH_MAX * 2]; struct sym_ext *sym_ext; + struct sym_priv *priv = dso__sym_priv(he->map->dso, sym); + struct sym_hist *h = priv->hist; - if (!sym->hist_sum) + if (!h->sum) return; - sym->priv = calloc(len, sizeof(struct sym_ext)); - if (!sym->priv) + sym_ext = priv->ext = calloc(len, sizeof(struct sym_ext)); + if (!priv->ext) return; - sym_ext = sym->priv; start = he->map->unmap_ip(he->map, sym->start); for (i = 0; i < len; i++) { @@ -419,7 +464,7 @@ get_source_line(struct hist_entry *he, int len, const char *filename) u64 offset; FILE *fp; - sym_ext[i].percent = 100.0 * sym->hist[i] / sym->hist_sum; + sym_ext[i].percent = 100.0 * h->ip[i] / h->sum; if (sym_ext[i].percent <= 0.5) continue; @@ -530,7 +575,7 @@ static void annotate_sym(struct hist_entry *he) pclose(file); if (print_line) - free_source_line(sym, len); + free_source_line(he, len); } static void find_annotations(void) @@ -540,19 +585,23 @@ static void find_annotations(void) for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) { struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); + struct sym_priv *priv; - if (he->sym && he->sym->hist) { - annotate_sym(he); - count++; - /* - * Since we have a hist_entry per IP for the same - * symbol, free he->sym->hist to signal we already - * processed this symbol. - */ - free(he->sym->hist); - he->sym->hist = NULL; + if (he->sym == NULL) + continue; - } + priv = dso__sym_priv(he->map->dso, he->sym); + if (priv->hist == NULL) + continue; + + annotate_sym(he); + count++; + /* + * Since we have a hist_entry per IP for the same symbol, free + * he->sym->hist to signal we already processed this symbol. + */ + free(priv->hist); + priv->hist = NULL; } if (!count) @@ -593,7 +642,7 @@ static int __cmd_annotate(void) exit(0); } - if (load_kernel() < 0) { + if (load_kernel(sizeof(struct sym_priv), symbol_filter) < 0) { perror("failed to load kernel symbols"); return EXIT_FAILURE; } diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index a4f8cc20915..bee207ce589 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -680,7 +680,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) static int process_mmap_event(event_t *event, unsigned long offset, unsigned long head) { - struct map *map = map__new(&event->mmap, cwd, cwdlen); + struct map *map = map__new(&event->mmap, cwd, cwdlen, 0, NULL, verbose); struct thread *thread = threads__findnew(event->mmap.pid); dump_printf("%p [%p]: PERF_RECORD_MMAP %d/%d: [%p(%p) @ %p]: %s\n", diff --git a/tools/perf/util/data_map.c b/tools/perf/util/data_map.c index 242b0555ab9..18accb8fee4 100644 --- a/tools/perf/util/data_map.c +++ b/tools/perf/util/data_map.c @@ -130,7 +130,7 @@ int mmap_dispatch_perf_file(struct perf_header **pheader, if (curr_handler->sample_type_check(sample_type) < 0) exit(-1); - if (load_kernel() < 0) { + if (load_kernel(0, NULL) < 0) { perror("failed to load kernel symbols"); return EXIT_FAILURE; } diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 6b5be56a827..db59c8bbe49 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -101,7 +101,13 @@ static inline u64 identity__map_ip(struct map *map __used, u64 ip) return ip; } -struct map *map__new(struct mmap_event *event, char *cwd, int cwdlen); +struct symbol; + +typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym); + +struct map *map__new(struct mmap_event *event, char *cwd, int cwdlen, + unsigned int sym_priv_size, symbol_filter_t filter, + int v); struct map *map__clone(struct map *self); int map__overlap(struct map *l, struct map *r); size_t map__fprintf(struct map *self, FILE *fp); diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 4e203d144f9..55079c0200e 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -3,6 +3,7 @@ #include #include #include +#include "debug.h" static inline int is_anon_memory(const char *filename) { @@ -19,7 +20,9 @@ static int strcommon(const char *pathname, char *cwd, int cwdlen) return n; } - struct map *map__new(struct mmap_event *event, char *cwd, int cwdlen) +struct map *map__new(struct mmap_event *event, char *cwd, int cwdlen, + unsigned int sym_priv_size, symbol_filter_t filter, + int v) { struct map *self = malloc(sizeof(*self)); @@ -27,6 +30,7 @@ static int strcommon(const char *pathname, char *cwd, int cwdlen) const char *filename = event->filename; char newfilename[PATH_MAX]; int anon; + bool new_dso; if (cwd) { int n = strcommon(filename, cwd, cwdlen); @@ -49,10 +53,23 @@ static int strcommon(const char *pathname, char *cwd, int cwdlen) self->end = event->start + event->len; self->pgoff = event->pgoff; - self->dso = dsos__findnew(filename); + self->dso = dsos__findnew(filename, sym_priv_size, &new_dso); if (self->dso == NULL) goto out_delete; + if (new_dso) { + int nr = dso__load(self->dso, self, filter, v); + + if (nr < 0) + eprintf("Failed to open %s, continuing " + "without symbols\n", + self->dso->long_name); + else if (nr == 0) + eprintf("No symbols found in %s, maybe " + "install a debug package?\n", + self->dso->long_name); + } + if (self->dso == vdso || anon) self->map_ip = self->unmap_ip = identity__map_ip; else { diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 3350119f690..0a4898480d6 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -11,8 +11,6 @@ #include #include -const char *sym_hist_filter; - enum dso_origin { DSO__ORIG_KERNEL = 0, DSO__ORIG_JAVA_JIT, @@ -86,22 +84,16 @@ static struct symbol *symbol__new(u64 start, u64 len, const char *name, if (!self) return NULL; - if (v > 2) - printf("new symbol: %016Lx [%08lx]: %s, hist: %p\n", - start, (unsigned long)len, name, self->hist); - - self->hist = NULL; - self->hist_sum = 0; - - if (sym_hist_filter && !strcmp(name, sym_hist_filter)) - self->hist = calloc(sizeof(u64), len); - if (priv_size) { memset(self, 0, priv_size); self = ((void *)self) + priv_size; } self->start = start; self->end = len ? start + len - 1 : start; + + if (v > 2) + printf("%s: %s %#Lx-%#Lx\n", __func__, name, start, self->end); + memcpy(self->name, name, namelen); return self; @@ -919,7 +911,8 @@ char dso__symtab_origin(const struct dso *self) return origin[self->origin]; } -int dso__load(struct dso *self, struct map *map, symbol_filter_t filter, int v) +int dso__load(struct dso *self, struct map *map, + symbol_filter_t filter, int v) { int size = PATH_MAX; char *name = malloc(size), *build_id = NULL; @@ -1335,33 +1328,21 @@ static struct dso *dsos__find(const char *name) return NULL; } -struct dso *dsos__findnew(const char *name) +struct dso *dsos__findnew(const char *name, unsigned int sym_priv_size, + bool *is_new) { struct dso *dso = dsos__find(name); - int nr; - - if (dso) - return dso; - - dso = dso__new(name, 0); - if (!dso) - goto out_delete_dso; - nr = dso__load(dso, NULL, NULL, verbose); - if (nr < 0) { - eprintf("Failed to open: %s\n", name); - goto out_delete_dso; - } - if (!nr) - eprintf("No symbols found in: %s, maybe install a debug package?\n", name); - - dsos__add(dso); + if (!dso) { + dso = dso__new(name, sym_priv_size); + if (dso) { + dsos__add(dso); + *is_new = true; + } + } else + *is_new = false; return dso; - -out_delete_dso: - dso__delete(dso); - return NULL; } void dsos__fprintf(FILE *fp) @@ -1372,9 +1353,10 @@ void dsos__fprintf(FILE *fp) dso__fprintf(pos, fp); } -int load_kernel(void) +int load_kernel(unsigned int sym_priv_size, symbol_filter_t filter) { - if (dsos__load_kernel(vmlinux_name, 0, NULL, verbose, modules) <= 0) + if (dsos__load_kernel(vmlinux_name, sym_priv_size, + filter, verbose, modules) <= 0) return -1; vdso = dso__new("[vdso]", 0); diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 2e4522edeb0..c2a777de9b7 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -2,6 +2,7 @@ #define __PERF_SYMBOL 1 #include +#include #include "types.h" #include #include @@ -35,9 +36,6 @@ struct symbol { struct rb_node rb_node; u64 start; u64 end; - u64 hist_sum; - u64 *hist; - void *priv; char name[0]; }; @@ -54,10 +52,6 @@ struct dso { char name[0]; }; -extern const char *sym_hist_filter; - -typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym); - struct dso *dso__new(const char *name, unsigned int sym_priv_size); void dso__delete(struct dso *self); @@ -70,15 +64,16 @@ struct symbol *dso__find_symbol(struct dso *self, u64 ip); int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size, symbol_filter_t filter, int verbose, int modules); -int dso__load(struct dso *self, struct map *map, symbol_filter_t filter, - int verbose); -struct dso *dsos__findnew(const char *name); +struct dso *dsos__findnew(const char *name, unsigned int sym_priv_size, + bool *is_new); +int dso__load(struct dso *self, struct map *map, + symbol_filter_t filter, int v); void dsos__fprintf(FILE *fp); size_t dso__fprintf(struct dso *self, FILE *fp); char dso__symtab_origin(const struct dso *self); -int load_kernel(void); +int load_kernel(unsigned int sym_priv_size, symbol_filter_t filter); void symbol__init(void); -- cgit v1.2.3 From 8f0b037398a909ccf703ad5f5803066db6327f22 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Tue, 20 Oct 2009 15:08:29 -0200 Subject: perf annotate: Remove requirement of passing a symbol name If the user doesn't pass a symbol name to annotate, it will annotate all the symbols that have hits, in order, just like 'perf report -s comm,dso,symbol'. This is a natural followup patch to the one that uses output_hists to find the symbols with hits. The common case is to annotate the first few entries at the top of a perf report, so lets type less characters. Signed-off-by: Arnaldo Carvalho de Melo Cc: Frederic Weisbecker Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Mike Galbraith LKML-Reference: <1256058509-19678-1-git-send-email-acme@redhat.com> Signed-off-by: Ingo Molnar --- tools/perf/builtin-annotate.c | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 245692530de..99bac6aa72c 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -57,7 +57,8 @@ static const char *sym_hist_filter; static int symbol_filter(struct map *map, struct symbol *sym) { - if (strcmp(sym->name, sym_hist_filter) == 0) { + if (sym_hist_filter == NULL || + strcmp(sym->name, sym_hist_filter) == 0) { struct sym_priv *priv = dso__sym_priv(map->dso, sym); const int size = (sizeof(*priv->hist) + (sym->end - sym->start) * sizeof(u64)); @@ -581,7 +582,6 @@ static void annotate_sym(struct hist_entry *he) static void find_annotations(void) { struct rb_node *nd; - int count = 0; for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) { struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); @@ -595,7 +595,6 @@ static void find_annotations(void) continue; annotate_sym(he); - count++; /* * Since we have a hist_entry per IP for the same symbol, free * he->sym->hist to signal we already processed this symbol. @@ -603,9 +602,6 @@ static void find_annotations(void) free(priv->hist); priv->hist = NULL; } - - if (!count) - printf(" Error: symbol '%s' not present amongst the samples.\n", sym_hist_filter); } static int __cmd_annotate(void) @@ -793,9 +789,6 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __used) sym_hist_filter = argv[0]; } - if (!sym_hist_filter) - usage_with_options(annotate_usage, options); - setup_pager(); if (field_sep && *field_sep == '.') { -- cgit v1.2.3 From c88e4bf60de6253a048cf4e6b3b0715e543e0460 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Tue, 20 Oct 2009 15:54:55 -0200 Subject: perf top: Fix symbol annotation We need to use map->unmap_ip() here too to match section relative symbol address to the absolute address needed to match objdump -dS addresses. Reported-by: Mike Galbraith Signed-off-by: Arnaldo Carvalho de Melo Cc: Frederic Weisbecker Cc: Peter Zijlstra Cc: Paul Mackerras LKML-Reference: <1256061295-19835-1-git-send-email-acme@redhat.com> Signed-off-by: Ingo Molnar --- tools/perf/builtin-top.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index cc662863030..fa20345a0ab 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -141,7 +141,8 @@ static void parse_source(struct sym_entry *syme) sprintf(command, "objdump --start-address=0x%016Lx " "--stop-address=0x%016Lx -dS %s", - sym->start, sym->end, path); + map->unmap_ip(map, sym->start), + map->unmap_ip(map, sym->end), path); file = popen(command, "r"); if (!file) @@ -173,11 +174,11 @@ static void parse_source(struct sym_entry *syme) if (strlen(src->line)>8 && src->line[8] == ':') { src->eip = strtoull(src->line, NULL, 16); - src->eip += map->start; + src->eip = map->unmap_ip(map, src->eip); } if (strlen(src->line)>8 && src->line[16] == ':') { src->eip = strtoull(src->line, NULL, 16); - src->eip += map->start; + src->eip = map->unmap_ip(map, src->eip); } } pclose(file); -- cgit v1.2.3 From 60d526f7fa6246b8e32d5b45610d625a5608d988 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Tue, 20 Oct 2009 19:19:34 -0400 Subject: perf tools: Add 'make DEBUG=1' to remove the -O6 cflag When using gdb to debug perf, it is practically impossible to use when perf is compiled with -O6. For developers, this patch adds the DEBUG feature to the make command line so that a developer can easily remove the optimization flag. LKML-Reference: <1255590330.8392.446.camel@twins> Signed-off-by: Steven Rostedt Cc: Peter Zijlstra Cc: Frederic Weisbecker Cc: Arnaldo Carvalho de Melo LKML-Reference: <20091020232033.984323261@goodmis.org> Signed-off-by: Ingo Molnar --- tools/perf/Makefile | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'tools') diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 64c6b7b57d8..65e6e52fe37 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -201,7 +201,14 @@ EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wold-style-definition EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wstrict-prototypes EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wdeclaration-after-statement -CFLAGS = $(MBITS) -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -fstack-protector-all -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) +ifeq ("$(origin DEBUG)", "command line") + PERF_DEBUG = $(DEBUG) +endif +ifndef PERF_DEBUG + CFLAGS_OPTIMIZE = -O6 +endif + +CFLAGS = $(MBITS) -ggdb3 -Wall -Wextra -std=gnu99 -Werror $(CFLAGS_OPTIMIZE) -fstack-protector-all -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) LDFLAGS = -lpthread -lrt -lelf -lm ALL_CFLAGS = $(CFLAGS) ALL_LDFLAGS = $(LDFLAGS) -- cgit v1.2.3 From 4e3b799d7dbb2a12ca8dca8d3594d32095772973 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Tue, 20 Oct 2009 19:19:35 -0400 Subject: perf tools: Use strsep() over strtok_r() for parsing single line The second argument in the strtok_r() function is not to be used generically and can have different implementations. Currently the function parsing of the perf trace code uses the second argument to copy data from. This can crash the tool or just have unpredictable results. The correct solution is to use strsep() which has a defined result. I also added a check to see if the result was correct, and will break out of the loop in case it fails to parse as expected. Reported-by: Arnaldo Carvalho de Melo Signed-off-by: Steven Rostedt Cc: Peter Zijlstra Cc: Frederic Weisbecker LKML-Reference: <20091020232034.237814877@goodmis.org> Signed-off-by: Ingo Molnar --- tools/perf/util/trace-event-parse.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'tools') diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 4b61b497040..eae56050308 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -286,16 +286,19 @@ void parse_ftrace_printk(char *file, unsigned int size __unused) char *line; char *next = NULL; char *addr_str; - char *fmt; int i; line = strtok_r(file, "\n", &next); while (line) { + addr_str = strsep(&line, ":"); + if (!line) { + warning("error parsing print strings"); + break; + } item = malloc_or_die(sizeof(*item)); - addr_str = strtok_r(line, ":", &fmt); item->addr = strtoull(addr_str, NULL, 16); /* fmt still has a space, skip it */ - item->printk = strdup(fmt+1); + item->printk = strdup(line+1); item->next = list; list = item; line = strtok_r(NULL, "\n", &next); -- cgit v1.2.3 From af0a6fa46388e1e0c2d1a672aad84f8f6ef0b20b Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Thu, 22 Oct 2009 23:23:22 +0200 Subject: perf tools: Fix missing top level callchain While recursively printing the branches of each callchains, we forget to display the root. It is never printed. Say we have: symbol f1 f2 | -------- f3 | f4 | ---------f5 f6 Actually we never see that, instead it displays: symbol | --------- f3 | f4 | --------- f5 f6 However f1 is always the same than "symbol" and if we are sorting by symbols first then "symbol", f1 and f2 will be well aligned like in the above example, so displaying f1 looks redundant here. But if we are sorting by something else first (dso, comm, etc...), displaying f1 doesn't look redundant but rather necessary because the symbol is not well aligned anymore with its callchain: comm dso symbol f1 f2 | --------- [...] And we want the callchain to be obvious. So we fix the bug by printing the root branch, but we also filter its first entry if we are sorting by symbols first. Reported-by: Anton Blanchard Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Mike Galbraith Cc: Paul Mackerras LKML-Reference: <1256246604-17156-1-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar --- tools/perf/builtin-report.c | 40 +++++++++++++++++++++++++++++++++------- tools/perf/util/sort.c | 10 +++++++--- tools/perf/util/sort.h | 1 + 3 files changed, 41 insertions(+), 10 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index bee207ce589..3d8c52220f1 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -122,8 +122,8 @@ static void init_rem_hits(void) } static size_t -callchain__fprintf_graph(FILE *fp, struct callchain_node *self, - u64 total_samples, int depth, int depth_mask) +__callchain__fprintf_graph(FILE *fp, struct callchain_node *self, + u64 total_samples, int depth, int depth_mask) { struct rb_node *node, *next; struct callchain_node *child; @@ -174,9 +174,9 @@ callchain__fprintf_graph(FILE *fp, struct callchain_node *self, new_total, cumul); } - ret += callchain__fprintf_graph(fp, child, new_total, - depth + 1, - new_depth_mask | (1 << depth)); + ret += __callchain__fprintf_graph(fp, child, new_total, + depth + 1, + new_depth_mask | (1 << depth)); node = next; } @@ -196,6 +196,33 @@ callchain__fprintf_graph(FILE *fp, struct callchain_node *self, return ret; } +static size_t +callchain__fprintf_graph(FILE *fp, struct callchain_node *self, + u64 total_samples) +{ + struct callchain_list *chain; + int i = 0; + int ret = 0; + + list_for_each_entry(chain, &self->val, list) { + if (chain->ip >= PERF_CONTEXT_MAX) + continue; + + if (!i++ && sort_by_sym_first) + continue; + + if (chain->sym) + ret += fprintf(fp, " %s\n", chain->sym->name); + else + ret += fprintf(fp, " %p\n", + (void *)(long)chain->ip); + } + + ret += __callchain__fprintf_graph(fp, self, total_samples, 1, 1); + + return ret; +} + static size_t callchain__fprintf_flat(FILE *fp, struct callchain_node *self, u64 total_samples) @@ -244,8 +271,7 @@ hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self, break; case CHAIN_GRAPH_ABS: /* Falldown */ case CHAIN_GRAPH_REL: - ret += callchain__fprintf_graph(fp, chain, - total_samples, 1, 1); + ret += callchain__fprintf_graph(fp, chain, total_samples); case CHAIN_NONE: default: break; diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index 40c9acd41ca..60ced707bd6 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -5,8 +5,9 @@ char default_parent_pattern[] = "^sys_|^do_page_fault"; char *parent_pattern = default_parent_pattern; char default_sort_order[] = "comm,dso,symbol"; char *sort_order = default_sort_order; -int sort__need_collapse = 0; -int sort__has_parent = 0; +int sort__need_collapse = 0; +int sort__has_parent = 0; +int sort_by_sym_first; unsigned int dsos__col_width; unsigned int comms__col_width; @@ -265,6 +266,10 @@ int sort_dimension__add(const char *tok) sort__has_parent = 1; } + if (list_empty(&hist_entry__sort_list) && + !strcmp(sd->name, "symbol")) + sort_by_sym_first = true; + list_add_tail(&sd->entry->list, &hist_entry__sort_list); sd->taken = 1; @@ -273,4 +278,3 @@ int sort_dimension__add(const char *tok) return -ESRCH; } - diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index 13806d782af..24c2b709f0d 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -39,6 +39,7 @@ extern struct sort_entry sort_parent; extern unsigned int dsos__col_width; extern unsigned int comms__col_width; extern unsigned int threads__col_width; +extern int sort_by_sym_first; struct hist_entry { struct rb_node rb_node; -- cgit v1.2.3 From a4fb581b15949cfd10b64c8af37bc106e95307f3 Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Thu, 22 Oct 2009 23:23:23 +0200 Subject: perf tools: Bind callchains to the first sort dimension column Currently, the callchains are displayed using a constant left margin. So depending on the current sort dimension configuration, callchains may appear to be well attached to the first sort dimension column field which is mostly the case, except when the first dimension of sorting is done by comm, because these are right aligned. This patch binds the callchain to the first letter in the first column, whatever type of column it is (dso, comm, symbol). Before: 0.80% perf [k] __lock_acquire __lock_acquire lock_acquire | |--58.33%-- _spin_lock | | | |--28.57%-- inotify_should_send_event | | fsnotify | | __fsnotify_parent After: 0.80% perf [k] __lock_acquire __lock_acquire lock_acquire | |--58.33%-- _spin_lock | | | |--28.57%-- inotify_should_send_event | | fsnotify | | __fsnotify_parent Also, for clarity, we don't put anymore the callchain as is but: - If we have a top level ancestor in the callchain, start it with a first ascii hook. Before: 0.80% perf [kernel] [k] __lock_acquire __lock_acquire lock_acquire | |--58.33%-- _spin_lock | | | |--28.57%-- inotify_should_send_event | | fsnotify [..] [..] After: 0.80% perf [kernel] [k] __lock_acquire | --- __lock_acquire lock_acquire | |--58.33%-- _spin_lock | | | |--28.57%-- inotify_should_send_event | | fsnotify [..] [..] - Otherwise, if we have several top level ancestors, then display these like we did before: 1.69% Xorg | |--21.21%-- vread_hpet | 0x7fffd85b46fc | 0x7fffd85b494d | 0x7f4fafb4e54d | |--15.15%-- exaOffscreenAlloc | |--9.09%-- I830WaitLpRing Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Mike Galbraith Cc: Paul Mackerras Cc: Anton Blanchard LKML-Reference: <1256246604-17156-2-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar --- tools/perf/builtin-report.c | 82 ++++++++++++++++++++++++++++++++++----------- tools/perf/util/sort.c | 18 +++++++--- tools/perf/util/sort.h | 10 +++++- tools/perf/util/thread.c | 11 ++++++ tools/perf/util/thread.h | 2 ++ 5 files changed, 99 insertions(+), 24 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 3d8c52220f1..72d58421223 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -59,12 +59,28 @@ static struct perf_header *header; static u64 sample_type; -static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask) + +static size_t +callchain__fprintf_left_margin(FILE *fp, int left_margin) +{ + int i; + int ret; + + ret = fprintf(fp, " "); + + for (i = 0; i < left_margin; i++) + ret += fprintf(fp, " "); + + return ret; +} + +static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask, + int left_margin) { int i; size_t ret = 0; - ret += fprintf(fp, "%s", " "); + ret += callchain__fprintf_left_margin(fp, left_margin); for (i = 0; i < depth; i++) if (depth_mask & (1 << i)) @@ -79,12 +95,12 @@ static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask) static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain, int depth, int depth_mask, int count, u64 total_samples, - int hits) + int hits, int left_margin) { int i; size_t ret = 0; - ret += fprintf(fp, "%s", " "); + ret += callchain__fprintf_left_margin(fp, left_margin); for (i = 0; i < depth; i++) { if (depth_mask & (1 << i)) ret += fprintf(fp, "|"); @@ -123,7 +139,8 @@ static void init_rem_hits(void) static size_t __callchain__fprintf_graph(FILE *fp, struct callchain_node *self, - u64 total_samples, int depth, int depth_mask) + u64 total_samples, int depth, int depth_mask, + int left_margin) { struct rb_node *node, *next; struct callchain_node *child; @@ -164,7 +181,8 @@ __callchain__fprintf_graph(FILE *fp, struct callchain_node *self, * But we keep the older depth mask for the line seperator * to keep the level link until we reach the last child */ - ret += ipchain__fprintf_graph_line(fp, depth, depth_mask); + ret += ipchain__fprintf_graph_line(fp, depth, depth_mask, + left_margin); i = 0; list_for_each_entry(chain, &child->val, list) { if (chain->ip >= PERF_CONTEXT_MAX) @@ -172,11 +190,13 @@ __callchain__fprintf_graph(FILE *fp, struct callchain_node *self, ret += ipchain__fprintf_graph(fp, chain, depth, new_depth_mask, i++, new_total, - cumul); + cumul, + left_margin); } ret += __callchain__fprintf_graph(fp, child, new_total, depth + 1, - new_depth_mask | (1 << depth)); + new_depth_mask | (1 << depth), + left_margin); node = next; } @@ -190,17 +210,19 @@ __callchain__fprintf_graph(FILE *fp, struct callchain_node *self, ret += ipchain__fprintf_graph(fp, &rem_hits, depth, new_depth_mask, 0, new_total, - remaining); + remaining, left_margin); } return ret; } + static size_t callchain__fprintf_graph(FILE *fp, struct callchain_node *self, - u64 total_samples) + u64 total_samples, int left_margin) { struct callchain_list *chain; + bool printed = false; int i = 0; int ret = 0; @@ -208,17 +230,27 @@ callchain__fprintf_graph(FILE *fp, struct callchain_node *self, if (chain->ip >= PERF_CONTEXT_MAX) continue; - if (!i++ && sort_by_sym_first) + if (!i++ && sort__first_dimension == SORT_SYM) continue; + if (!printed) { + ret += callchain__fprintf_left_margin(fp, left_margin); + ret += fprintf(fp, "|\n"); + ret += callchain__fprintf_left_margin(fp, left_margin); + ret += fprintf(fp, "---"); + + left_margin += 3; + printed = true; + } else + ret += callchain__fprintf_left_margin(fp, left_margin); + if (chain->sym) - ret += fprintf(fp, " %s\n", chain->sym->name); + ret += fprintf(fp, " %s\n", chain->sym->name); else - ret += fprintf(fp, " %p\n", - (void *)(long)chain->ip); + ret += fprintf(fp, " %p\n", (void *)(long)chain->ip); } - ret += __callchain__fprintf_graph(fp, self, total_samples, 1, 1); + ret += __callchain__fprintf_graph(fp, self, total_samples, 1, 1, left_margin); return ret; } @@ -251,7 +283,7 @@ callchain__fprintf_flat(FILE *fp, struct callchain_node *self, static size_t hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self, - u64 total_samples) + u64 total_samples, int left_margin) { struct rb_node *rb_node; struct callchain_node *chain; @@ -271,7 +303,8 @@ hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self, break; case CHAIN_GRAPH_ABS: /* Falldown */ case CHAIN_GRAPH_REL: - ret += callchain__fprintf_graph(fp, chain, total_samples); + ret += callchain__fprintf_graph(fp, chain, total_samples, + left_margin); case CHAIN_NONE: default: break; @@ -316,8 +349,19 @@ hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples) ret += fprintf(fp, "\n"); - if (callchain) - hist_entry_callchain__fprintf(fp, self, total_samples); + if (callchain) { + int left_margin = 0; + + if (sort__first_dimension == SORT_COMM) { + se = list_first_entry(&hist_entry__sort_list, typeof(*se), + list); + left_margin = se->width ? *se->width : 0; + left_margin -= thread__comm_len(self->thread); + } + + hist_entry_callchain__fprintf(fp, self, total_samples, + left_margin); + } return ret; } diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index 60ced707bd6..b490354d1b2 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -7,7 +7,8 @@ char default_sort_order[] = "comm,dso,symbol"; char *sort_order = default_sort_order; int sort__need_collapse = 0; int sort__has_parent = 0; -int sort_by_sym_first; + +enum sort_type sort__first_dimension; unsigned int dsos__col_width; unsigned int comms__col_width; @@ -266,9 +267,18 @@ int sort_dimension__add(const char *tok) sort__has_parent = 1; } - if (list_empty(&hist_entry__sort_list) && - !strcmp(sd->name, "symbol")) - sort_by_sym_first = true; + if (list_empty(&hist_entry__sort_list)) { + if (!strcmp(sd->name, "pid")) + sort__first_dimension = SORT_PID; + else if (!strcmp(sd->name, "comm")) + sort__first_dimension = SORT_COMM; + else if (!strcmp(sd->name, "dso")) + sort__first_dimension = SORT_DSO; + else if (!strcmp(sd->name, "symbol")) + sort__first_dimension = SORT_SYM; + else if (!strcmp(sd->name, "parent")) + sort__first_dimension = SORT_PARENT; + } list_add_tail(&sd->entry->list, &hist_entry__sort_list); sd->taken = 1; diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index 24c2b709f0d..333e664ff45 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -39,7 +39,7 @@ extern struct sort_entry sort_parent; extern unsigned int dsos__col_width; extern unsigned int comms__col_width; extern unsigned int threads__col_width; -extern int sort_by_sym_first; +extern enum sort_type sort__first_dimension; struct hist_entry { struct rb_node rb_node; @@ -54,6 +54,14 @@ struct hist_entry { struct rb_root sorted_chain; }; +enum sort_type { + SORT_PID, + SORT_COMM, + SORT_DSO, + SORT_SYM, + SORT_PARENT +}; + /* * configurable sorting bits */ diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index f53fad7c0a8..8cb47f1d8a7 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -33,6 +33,17 @@ int thread__set_comm(struct thread *self, const char *comm) return self->comm ? 0 : -ENOMEM; } +int thread__comm_len(struct thread *self) +{ + if (!self->comm_len) { + if (!self->comm) + return 0; + self->comm_len = strlen(self->comm); + } + + return self->comm_len; +} + static size_t thread__fprintf(struct thread *self, FILE *fp) { struct rb_node *nd; diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h index 1abef3b7455..53addd77ce8 100644 --- a/tools/perf/util/thread.h +++ b/tools/perf/util/thread.h @@ -12,9 +12,11 @@ struct thread { pid_t pid; char shortname[3]; char *comm; + int comm_len; }; int thread__set_comm(struct thread *self, const char *comm); +int thread__comm_len(struct thread *self); struct thread *threads__findnew(pid_t pid); struct thread *register_idle_thread(void); void thread__insert_map(struct thread *self, struct map *map); -- cgit v1.2.3 From 802da5f2289bbe363acef084805195c11f453c48 Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Thu, 22 Oct 2009 23:23:24 +0200 Subject: perf tools: Drop asm/types.h wrapper Wrapping the kernel headers is dangerous when it comes to arch headers. Once we wrap asm/types.h, it will also replace the glibc asm/types.h, not only the kernel one. This results in build errors on some machines. Drop this wrapper and do its work from linux/types.h wrapper, also the glibc asm/types.h can already handle most of the type definition it was doing (typedef __u64, __u32, etc...). Todo: Check the others asm/*.h wrappers to prevent from other conflicts. Reported-by: Ingo Molnar Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Mike Galbraith Cc: Paul Mackerras Cc: Anton Blanchard LKML-Reference: <1256246604-17156-3-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar --- tools/perf/Makefile | 1 - tools/perf/util/include/asm/bitops.h | 12 ++++++++++++ tools/perf/util/include/asm/byteorder.h | 2 +- tools/perf/util/include/asm/types.h | 17 ----------------- tools/perf/util/include/linux/types.h | 2 ++ 5 files changed, 15 insertions(+), 19 deletions(-) delete mode 100644 tools/perf/util/include/asm/types.h (limited to 'tools') diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 65e6e52fe37..0a40c29b238 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -352,7 +352,6 @@ LIB_H += util/include/asm/bitops.h LIB_H += util/include/asm/byteorder.h LIB_H += util/include/asm/swab.h LIB_H += util/include/asm/system.h -LIB_H += util/include/asm/types.h LIB_H += util/include/asm/uaccess.h LIB_H += perf.h LIB_H += util/event.h diff --git a/tools/perf/util/include/asm/bitops.h b/tools/perf/util/include/asm/bitops.h index fbe4d921291..58e9817ffae 100644 --- a/tools/perf/util/include/asm/bitops.h +++ b/tools/perf/util/include/asm/bitops.h @@ -1,6 +1,18 @@ +#ifndef _PERF_ASM_BITOPS_H_ +#define _PERF_ASM_BITOPS_H_ + +#include +#include "../../types.h" +#include + +/* CHECKME: Not sure both always match */ +#define BITS_PER_LONG __WORDSIZE + #include "../../../../include/asm-generic/bitops/__fls.h" #include "../../../../include/asm-generic/bitops/fls.h" #include "../../../../include/asm-generic/bitops/fls64.h" #include "../../../../include/asm-generic/bitops/__ffs.h" #include "../../../../include/asm-generic/bitops/ffz.h" #include "../../../../include/asm-generic/bitops/hweight.h" + +#endif diff --git a/tools/perf/util/include/asm/byteorder.h b/tools/perf/util/include/asm/byteorder.h index 39f367cfaf5..b722abe3a62 100644 --- a/tools/perf/util/include/asm/byteorder.h +++ b/tools/perf/util/include/asm/byteorder.h @@ -1,2 +1,2 @@ -#include "../asm/types.h" +#include #include "../../../../include/linux/swab.h" diff --git a/tools/perf/util/include/asm/types.h b/tools/perf/util/include/asm/types.h deleted file mode 100644 index 06703c6cd50..00000000000 --- a/tools/perf/util/include/asm/types.h +++ /dev/null @@ -1,17 +0,0 @@ -#ifndef PERF_ASM_TYPES_H_ -#define PERF_ASM_TYPES_H_ - -#include -#include "../../types.h" -#include - -/* CHECKME: Not sure both always match */ -#define BITS_PER_LONG __WORDSIZE - -typedef u64 __u64; -typedef u32 __u32; -typedef u16 __u16; -typedef u8 __u8; -typedef s64 __s64; - -#endif /* PERF_ASM_TYPES_H_ */ diff --git a/tools/perf/util/include/linux/types.h b/tools/perf/util/include/linux/types.h index 858a38d0843..196862a81a2 100644 --- a/tools/perf/util/include/linux/types.h +++ b/tools/perf/util/include/linux/types.h @@ -1,6 +1,8 @@ #ifndef _PERF_LINUX_TYPES_H_ #define _PERF_LINUX_TYPES_H_ +#include + #define DECLARE_BITMAP(name,bits) \ unsigned long name[BITS_TO_LONGS(bits)] -- cgit v1.2.3 From 6beba7adbe092e63dfe8d09fbd1e3ec140474a13 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Wed, 21 Oct 2009 17:34:06 -0200 Subject: perf tools: Unify debug messages mechanisms We were using eprintf in some places, that looks at a global 'verbose' level, and at other places passing a 'v' parameter to specify the verbosity level, unify it by introducing pr_{err,warning,debug,etc}, just like in the kernel. Signed-off-by: Arnaldo Carvalho de Melo Cc: Frederic Weisbecker Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Mike Galbraith LKML-Reference: <1256153646-10097-1-git-send-email-acme@redhat.com> Signed-off-by: Ingo Molnar --- tools/perf/builtin-annotate.c | 3 +- tools/perf/builtin-record.c | 2 +- tools/perf/builtin-report.c | 9 ++- tools/perf/builtin-sched.c | 4 +- tools/perf/builtin-timechart.c | 13 ++-- tools/perf/builtin-top.c | 2 +- tools/perf/builtin-trace.c | 4 +- tools/perf/util/callchain.c | 2 +- tools/perf/util/debug.c | 4 +- tools/perf/util/debug.h | 3 +- tools/perf/util/event.h | 3 +- tools/perf/util/header.c | 2 +- tools/perf/util/include/linux/kernel.h | 17 +++++ tools/perf/util/map.c | 17 ++--- tools/perf/util/symbol.c | 134 +++++++++++++++------------------ tools/perf/util/symbol.h | 5 +- tools/perf/util/thread.c | 6 +- 17 files changed, 114 insertions(+), 116 deletions(-) (limited to 'tools') diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 99bac6aa72c..6d63c2eea2c 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -203,8 +203,7 @@ static int process_mmap_event(event_t *event, unsigned long offset, unsigned long head) { struct map *map = map__new(&event->mmap, NULL, 0, - sizeof(struct sym_priv), symbol_filter, - verbose); + sizeof(struct sym_priv), symbol_filter); struct thread *thread = threads__findnew(event->mmap.pid); dump_printf("%p [%p]: PERF_RECORD_MMAP %d: [%p(%p) @ %p]: %s\n", diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index f0467ff0d8a..ac5ddfff445 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -630,7 +630,7 @@ static int __cmd_record(int argc, const char **argv) param.sched_priority = realtime_prio; if (sched_setscheduler(0, SCHED_FIFO, ¶m)) { - printf("Could not set realtime priority.\n"); + pr_err("Could not set realtime priority.\n"); exit(-1); } } diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 72d58421223..b3d814b5455 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -689,7 +689,8 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) dump_printf("... chain: nr:%Lu\n", chain->nr); if (validate_chain(chain, event) < 0) { - eprintf("call-chain problem with event, skipping it.\n"); + pr_debug("call-chain problem with event, " + "skipping it.\n"); return 0; } @@ -700,7 +701,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) } if (thread == NULL) { - eprintf("problem processing %d event, skipping it.\n", + pr_debug("problem processing %d event, skipping it.\n", event->header.type); return -1; } @@ -738,7 +739,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) if (hist_entry__add(thread, map, sym, ip, chain, level, period)) { - eprintf("problem incrementing symbol count, skipping event\n"); + pr_debug("problem incrementing symbol count, skipping event\n"); return -1; } @@ -750,7 +751,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) static int process_mmap_event(event_t *event, unsigned long offset, unsigned long head) { - struct map *map = map__new(&event->mmap, cwd, cwdlen, 0, NULL, verbose); + struct map *map = map__new(&event->mmap, cwd, cwdlen, 0, NULL); struct thread *thread = threads__findnew(event->mmap.pid); dump_printf("%p [%p]: PERF_RECORD_MMAP %d/%d: [%p(%p) @ %p]: %s\n", diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 807ca66e7a8..9a48d9626be 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -1666,8 +1666,8 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) (long long)period); if (thread == NULL) { - eprintf("problem processing %d event, skipping it.\n", - event->header.type); + pr_debug("problem processing %d event, skipping it.\n", + event->header.type); return -1; } diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index 34fad57087f..0a2f22261c3 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -1162,12 +1162,10 @@ more: size = event->header.size; if (!size || process_event(event) < 0) { - - printf("%p [%p]: skipping unknown header type: %d\n", - (void *)(offset + head), - (void *)(long)(event->header.size), - event->header.type); - + pr_warning("%p [%p]: skipping unknown header type: %d\n", + (void *)(offset + head), + (void *)(long)(event->header.size), + event->header.type); /* * assume we lost track of the stream, check alignment, and * increment a single u64 in the hope to catch on again 'soon'. @@ -1200,7 +1198,8 @@ done: write_svg_file(output_name); - printf("Written %2.1f seconds of trace to %s.\n", (last_time - first_time) / 1000000000.0, output_name); + pr_info("Written %2.1f seconds of trace to %s.\n", + (last_time - first_time) / 1000000000.0, output_name); return rc; } diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index fa20345a0ab..4a9fe228be2 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -809,7 +809,7 @@ static int symbol_filter(struct map *map, struct symbol *sym) static int parse_symbols(void) { if (dsos__load_kernel(vmlinux_name, sizeof(struct sym_entry), - symbol_filter, verbose, 1) <= 0) + symbol_filter, 1) <= 0) return -1; if (dump_symtab) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 4c129ff0bb1..e566bbe3f22 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -81,8 +81,8 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) (long long)period); if (thread == NULL) { - eprintf("problem processing %d event, skipping it.\n", - event->header.type); + pr_debug("problem processing %d event, skipping it.\n", + event->header.type); return -1; } diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c index 3b8380f1b47..b3b71258272 100644 --- a/tools/perf/util/callchain.c +++ b/tools/perf/util/callchain.c @@ -206,7 +206,7 @@ fill_node(struct callchain_node *node, struct ip_callchain *chain, } node->val_nr = chain->nr - start; if (!node->val_nr) - printf("Warning: empty node in callchain tree\n"); + pr_warning("Warning: empty node in callchain tree\n"); } static void diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c index e8ca98fe0bd..28d520d5a1f 100644 --- a/tools/perf/util/debug.c +++ b/tools/perf/util/debug.c @@ -13,12 +13,12 @@ int verbose = 0; int dump_trace = 0; -int eprintf(const char *fmt, ...) +int eprintf(int level, const char *fmt, ...) { va_list args; int ret = 0; - if (verbose) { + if (verbose >= level) { va_start(args, fmt); ret = vfprintf(stderr, fmt, args); va_end(args); diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h index 02d1fa1c246..e8b18a1f87a 100644 --- a/tools/perf/util/debug.h +++ b/tools/perf/util/debug.h @@ -5,7 +5,8 @@ extern int verbose; extern int dump_trace; -int eprintf(const char *fmt, ...) __attribute__((format(printf, 1, 2))); +int eprintf(int level, + const char *fmt, ...) __attribute__((format(printf, 2, 3))); int dump_printf(const char *fmt, ...) __attribute__((format(printf, 1, 2))); void trace_event(event_t *event); diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index db59c8bbe49..d972b4b0d38 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -106,8 +106,7 @@ struct symbol; typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym); struct map *map__new(struct mmap_event *event, char *cwd, int cwdlen, - unsigned int sym_priv_size, symbol_filter_t filter, - int v); + unsigned int sym_priv_size, symbol_filter_t filter); struct map *map__clone(struct map *self); int map__overlap(struct map *l, struct map *r); size_t map__fprintf(struct map *self, FILE *fp); diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 622c60e4525..7d26659b806 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -93,7 +93,7 @@ static struct perf_trace_event_type *events; void perf_header__push_event(u64 id, const char *name) { if (strlen(name) > MAX_EVENT_NAME) - printf("Event %s will be truncated\n", name); + pr_warning("Event %s will be truncated\n", name); if (!events) { events = malloc(sizeof(struct perf_trace_event_type)); diff --git a/tools/perf/util/include/linux/kernel.h b/tools/perf/util/include/linux/kernel.h index 4b9204d9b26..21c0274c02f 100644 --- a/tools/perf/util/include/linux/kernel.h +++ b/tools/perf/util/include/linux/kernel.h @@ -85,4 +85,21 @@ simple_strtoul(const char *nptr, char **endptr, int base) return strtoul(nptr, endptr, base); } +#ifndef pr_fmt +#define pr_fmt(fmt) fmt +#endif + +#define pr_err(fmt, ...) \ + do { fprintf(stderr, pr_fmt(fmt), ##__VA_ARGS__); } while (0) +#define pr_warning(fmt, ...) \ + do { fprintf(stderr, pr_fmt(fmt), ##__VA_ARGS__); } while (0) +#define pr_info(fmt, ...) \ + do { fprintf(stderr, pr_fmt(fmt), ##__VA_ARGS__); } while (0) +#define pr_debug(fmt, ...) \ + eprintf(1, pr_fmt(fmt), ##__VA_ARGS__) +#define pr_debugN(n, fmt, ...) \ + eprintf(n, pr_fmt(fmt), ##__VA_ARGS__) +#define pr_debug2(fmt, ...) pr_debugN(2, pr_fmt(fmt), ##__VA_ARGS__) +#define pr_debug3(fmt, ...) pr_debugN(3, pr_fmt(fmt), ##__VA_ARGS__) + #endif diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 55079c0200e..c1c55682534 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -21,8 +21,7 @@ static int strcommon(const char *pathname, char *cwd, int cwdlen) } struct map *map__new(struct mmap_event *event, char *cwd, int cwdlen, - unsigned int sym_priv_size, symbol_filter_t filter, - int v) + unsigned int sym_priv_size, symbol_filter_t filter) { struct map *self = malloc(sizeof(*self)); @@ -58,16 +57,16 @@ struct map *map__new(struct mmap_event *event, char *cwd, int cwdlen, goto out_delete; if (new_dso) { - int nr = dso__load(self->dso, self, filter, v); + int nr = dso__load(self->dso, self, filter); if (nr < 0) - eprintf("Failed to open %s, continuing " - "without symbols\n", - self->dso->long_name); + pr_warning("Failed to open %s, continuing " + "without symbols\n", + self->dso->long_name); else if (nr == 0) - eprintf("No symbols found in %s, maybe " - "install a debug package?\n", - self->dso->long_name); + pr_warning("No symbols found in %s, maybe " + "install a debug package?\n", + self->dso->long_name); } if (self->dso == vdso || anon) diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 0a4898480d6..8f0208ce237 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -76,7 +76,7 @@ static void kernel_maps__fixup_end(void) } static struct symbol *symbol__new(u64 start, u64 len, const char *name, - unsigned int priv_size, int v) + unsigned int priv_size) { size_t namelen = strlen(name) + 1; struct symbol *self = calloc(1, priv_size + sizeof(*self) + namelen); @@ -91,8 +91,7 @@ static struct symbol *symbol__new(u64 start, u64 len, const char *name, self->start = start; self->end = len ? start + len - 1 : start; - if (v > 2) - printf("%s: %s %#Lx-%#Lx\n", __func__, name, start, self->end); + pr_debug3("%s: %s %#Lx-%#Lx\n", __func__, name, start, self->end); memcpy(self->name, name, namelen); @@ -209,7 +208,7 @@ size_t dso__fprintf(struct dso *self, FILE *fp) * so that we can in the next step set the symbol ->end address and then * call kernel_maps__split_kallsyms. */ -static int kernel_maps__load_all_kallsyms(int v) +static int kernel_maps__load_all_kallsyms(void) { char *line = NULL; size_t n; @@ -252,7 +251,7 @@ static int kernel_maps__load_all_kallsyms(int v) * Will fix up the end later, when we have all symbols sorted. */ sym = symbol__new(start, 0, symbol_name, - kernel_map->dso->sym_priv_size, v); + kernel_map->dso->sym_priv_size); if (sym == NULL) goto out_delete_line; @@ -300,8 +299,8 @@ static int kernel_maps__split_kallsyms(symbol_filter_t filter, int use_modules) if (strcmp(map->dso->name, module)) { map = kernel_maps__find_by_dso_name(module); if (!map) { - fputs("/proc/{kallsyms,modules} " - "inconsistency!\n", stderr); + pr_err("/proc/{kallsyms,modules} " + "inconsistency!\n"); return -1; } } @@ -351,10 +350,9 @@ delete_symbol: } -static int kernel_maps__load_kallsyms(symbol_filter_t filter, - int use_modules, int v) +static int kernel_maps__load_kallsyms(symbol_filter_t filter, int use_modules) { - if (kernel_maps__load_all_kallsyms(v)) + if (kernel_maps__load_all_kallsyms()) return -1; dso__fixup_sym_end(kernel_map->dso); @@ -362,9 +360,9 @@ static int kernel_maps__load_kallsyms(symbol_filter_t filter, return kernel_maps__split_kallsyms(filter, use_modules); } -static size_t kernel_maps__fprintf(FILE *fp, int v) +static size_t kernel_maps__fprintf(FILE *fp) { - size_t printed = fprintf(stderr, "Kernel maps:\n"); + size_t printed = fprintf(fp, "Kernel maps:\n"); struct rb_node *nd; for (nd = rb_first(&kernel_maps); nd; nd = rb_next(nd)) { @@ -372,17 +370,17 @@ static size_t kernel_maps__fprintf(FILE *fp, int v) printed += fprintf(fp, "Map:"); printed += map__fprintf(pos, fp); - if (v > 1) { + if (verbose > 1) { printed += dso__fprintf(pos->dso, fp); printed += fprintf(fp, "--\n"); } } - return printed + fprintf(stderr, "END kernel maps\n"); + return printed + fprintf(fp, "END kernel maps\n"); } static int dso__load_perf_map(struct dso *self, struct map *map, - symbol_filter_t filter, int v) + symbol_filter_t filter) { char *line = NULL; size_t n; @@ -420,7 +418,7 @@ static int dso__load_perf_map(struct dso *self, struct map *map, continue; sym = symbol__new(start, size, line + len, - self->sym_priv_size, v); + self->sym_priv_size); if (sym == NULL) goto out_delete_line; @@ -534,7 +532,7 @@ static Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep, * And always look at the original dso, not at debuginfo packages, that * have the PLT data stripped out (shdr_rel_plt.sh_type == SHT_NOBITS). */ -static int dso__synthesize_plt_symbols(struct dso *self, int v) +static int dso__synthesize_plt_symbols(struct dso *self) { uint32_t nr_rel_entries, idx; GElf_Sym sym; @@ -618,7 +616,7 @@ static int dso__synthesize_plt_symbols(struct dso *self, int v) "%s@plt", elf_sym__name(&sym, symstrs)); f = symbol__new(plt_offset, shdr_plt.sh_entsize, - sympltname, self->sym_priv_size, v); + sympltname, self->sym_priv_size); if (!f) goto out_elf_end; @@ -636,7 +634,7 @@ static int dso__synthesize_plt_symbols(struct dso *self, int v) "%s@plt", elf_sym__name(&sym, symstrs)); f = symbol__new(plt_offset, shdr_plt.sh_entsize, - sympltname, self->sym_priv_size, v); + sympltname, self->sym_priv_size); if (!f) goto out_elf_end; @@ -654,14 +652,14 @@ out_close: if (err == 0) return nr; out: - fprintf(stderr, "%s: problems reading %s PLT info.\n", - __func__, self->long_name); + pr_warning("%s: problems reading %s PLT info.\n", + __func__, self->long_name); return 0; } static int dso__load_sym(struct dso *self, struct map *map, const char *name, int fd, symbol_filter_t filter, int kernel, - int kmodule, int v) + int kmodule) { struct map *curr_map = map; struct dso *curr_dso = self; @@ -680,15 +678,12 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, elf = elf_begin(fd, ELF_C_READ_MMAP, NULL); if (elf == NULL) { - if (v) - fprintf(stderr, "%s: cannot read %s ELF file.\n", - __func__, name); + pr_err("%s: cannot read %s ELF file.\n", __func__, name); goto out_close; } if (gelf_getehdr(elf, &ehdr) == NULL) { - if (v) - fprintf(stderr, "%s: cannot get elf header.\n", __func__); + pr_err("%s: cannot get elf header.\n", __func__); goto out_elf_end; } @@ -794,10 +789,9 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, } if (curr_dso->adjust_symbols) { - if (v > 2) - printf("adjusting symbol: st_value: %Lx sh_addr: %Lx sh_offset: %Lx\n", - (u64)sym.st_value, (u64)shdr.sh_addr, (u64)shdr.sh_offset); - + pr_debug2("adjusting symbol: st_value: %Lx sh_addr: " + "%Lx sh_offset: %Lx\n", (u64)sym.st_value, + (u64)shdr.sh_addr, (u64)shdr.sh_offset); sym.st_value -= shdr.sh_addr - shdr.sh_offset; } /* @@ -810,7 +804,7 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name, elf_name = demangled; new_symbol: f = symbol__new(sym.st_value, sym.st_size, elf_name, - curr_dso->sym_priv_size, v); + curr_dso->sym_priv_size); free(demangled); if (!f) goto out_elf_end; @@ -837,7 +831,7 @@ out_close: #define BUILD_ID_SIZE 128 -static char *dso__read_build_id(struct dso *self, int v) +static char *dso__read_build_id(struct dso *self) { int i; GElf_Ehdr ehdr; @@ -854,15 +848,13 @@ static char *dso__read_build_id(struct dso *self, int v) elf = elf_begin(fd, ELF_C_READ_MMAP, NULL); if (elf == NULL) { - if (v) - fprintf(stderr, "%s: cannot read %s ELF file.\n", - __func__, self->long_name); + pr_err("%s: cannot read %s ELF file.\n", __func__, + self->long_name); goto out_close; } if (gelf_getehdr(elf, &ehdr) == NULL) { - if (v) - fprintf(stderr, "%s: cannot get elf header.\n", __func__); + pr_err("%s: cannot get elf header.\n", __func__); goto out_elf_end; } @@ -884,8 +876,7 @@ static char *dso__read_build_id(struct dso *self, int v) ++raw; bid += 2; } - if (v >= 2) - printf("%s(%s): %s\n", __func__, self->long_name, build_id); + pr_debug2("%s(%s): %s\n", __func__, self->long_name, build_id); out_elf_end: elf_end(elf); out_close: @@ -911,8 +902,7 @@ char dso__symtab_origin(const struct dso *self) return origin[self->origin]; } -int dso__load(struct dso *self, struct map *map, - symbol_filter_t filter, int v) +int dso__load(struct dso *self, struct map *map, symbol_filter_t filter) { int size = PATH_MAX; char *name = malloc(size), *build_id = NULL; @@ -925,7 +915,7 @@ int dso__load(struct dso *self, struct map *map, self->adjust_symbols = 0; if (strncmp(self->name, "/tmp/perf-", 10) == 0) { - ret = dso__load_perf_map(self, map, filter, v); + ret = dso__load_perf_map(self, map, filter); self->origin = ret > 0 ? DSO__ORIG_JAVA_JIT : DSO__ORIG_NOT_FOUND; return ret; @@ -946,7 +936,7 @@ more: self->long_name); break; case DSO__ORIG_BUILDID: - build_id = dso__read_build_id(self, v); + build_id = dso__read_build_id(self); if (build_id != NULL) { snprintf(name, size, "/usr/lib/debug/.build-id/%.2s/%s.debug", @@ -967,7 +957,7 @@ more: fd = open(name, O_RDONLY); } while (fd < 0); - ret = dso__load_sym(self, map, name, fd, filter, 0, 0, v); + ret = dso__load_sym(self, map, name, fd, filter, 0, 0); close(fd); /* @@ -977,7 +967,7 @@ more: goto more; if (ret > 0) { - int nr_plt = dso__synthesize_plt_symbols(self, v); + int nr_plt = dso__synthesize_plt_symbols(self); if (nr_plt > 0) ret += nr_plt; } @@ -1025,34 +1015,29 @@ struct map *kernel_maps__find_by_dso_name(const char *name) } static int dso__load_module_sym(struct dso *self, struct map *map, - symbol_filter_t filter, int v) + symbol_filter_t filter) { int err = 0, fd = open(self->long_name, O_RDONLY); if (fd < 0) { - if (v) - fprintf(stderr, "%s: cannot open %s\n", - __func__, self->long_name); + pr_err("%s: cannot open %s\n", __func__, self->long_name); return err; } - err = dso__load_sym(self, map, self->long_name, fd, filter, 0, 1, v); + err = dso__load_sym(self, map, self->long_name, fd, filter, 0, 1); close(fd); return err; } -static int dsos__load_modules_sym_dir(char *dirname, - symbol_filter_t filter, int v) +static int dsos__load_modules_sym_dir(char *dirname, symbol_filter_t filter) { struct dirent *dent; int nr_symbols = 0, err; DIR *dir = opendir(dirname); if (!dir) { - if (v) - fprintf(stderr, "%s: cannot open %s dir\n", __func__, - dirname); + pr_err("%s: cannot open %s dir\n", __func__, dirname); return -1; } @@ -1066,7 +1051,7 @@ static int dsos__load_modules_sym_dir(char *dirname, snprintf(path, sizeof(path), "%s/%s", dirname, dent->d_name); - err = dsos__load_modules_sym_dir(path, filter, v); + err = dsos__load_modules_sym_dir(path, filter); if (err < 0) goto failure; } else { @@ -1092,7 +1077,7 @@ static int dsos__load_modules_sym_dir(char *dirname, if (map->dso->long_name == NULL) goto failure; - err = dso__load_module_sym(map->dso, map, filter, v); + err = dso__load_module_sym(map->dso, map, filter); if (err < 0) goto failure; last = rb_last(&map->dso->syms); @@ -1119,7 +1104,7 @@ failure: return -1; } -static int dsos__load_modules_sym(symbol_filter_t filter, int v) +static int dsos__load_modules_sym(symbol_filter_t filter) { struct utsname uts; char modules_path[PATH_MAX]; @@ -1130,7 +1115,7 @@ static int dsos__load_modules_sym(symbol_filter_t filter, int v) snprintf(modules_path, sizeof(modules_path), "/lib/modules/%s/kernel", uts.release); - return dsos__load_modules_sym_dir(modules_path, filter, v); + return dsos__load_modules_sym_dir(modules_path, filter); } /* @@ -1225,15 +1210,14 @@ out_failure: } static int dso__load_vmlinux(struct dso *self, struct map *map, - const char *vmlinux, - symbol_filter_t filter, int v) + const char *vmlinux, symbol_filter_t filter) { int err, fd = open(vmlinux, O_RDONLY); if (fd < 0) return -1; - err = dso__load_sym(self, map, self->long_name, fd, filter, 1, 0, v); + err = dso__load_sym(self, map, self->long_name, fd, filter, 1, 0); close(fd); @@ -1241,7 +1225,7 @@ static int dso__load_vmlinux(struct dso *self, struct map *map, } int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size, - symbol_filter_t filter, int v, int use_modules) + symbol_filter_t filter, int use_modules) { int err = -1; struct dso *dso = dso__new(vmlinux, sym_priv_size); @@ -1257,26 +1241,26 @@ int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size, kernel_map->map_ip = kernel_map->unmap_ip = identity__map_ip; if (use_modules && dsos__load_modules(sym_priv_size) < 0) { - fprintf(stderr, "Failed to load list of modules in use! " - "Continuing...\n"); + pr_warning("Failed to load list of modules in use! " + "Continuing...\n"); use_modules = 0; } if (vmlinux) { - err = dso__load_vmlinux(dso, kernel_map, vmlinux, filter, v); + err = dso__load_vmlinux(dso, kernel_map, vmlinux, filter); if (err > 0 && use_modules) { - int syms = dsos__load_modules_sym(filter, v); + int syms = dsos__load_modules_sym(filter); if (syms < 0) - fprintf(stderr, "Failed to read module symbols!" - " Continuing...\n"); + pr_warning("Failed to read module symbols!" + " Continuing...\n"); else err += syms; } } if (err <= 0) - err = kernel_maps__load_kallsyms(filter, use_modules, v); + err = kernel_maps__load_kallsyms(filter, use_modules); if (err > 0) { struct rb_node *node = rb_first(&dso->syms); @@ -1296,8 +1280,8 @@ int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size, kernel_maps__fixup_end(); dsos__add(dso); - if (v > 0) - kernel_maps__fprintf(stderr, v); + if (verbose) + kernel_maps__fprintf(stderr); } return err; @@ -1355,8 +1339,8 @@ void dsos__fprintf(FILE *fp) int load_kernel(unsigned int sym_priv_size, symbol_filter_t filter) { - if (dsos__load_kernel(vmlinux_name, sym_priv_size, - filter, verbose, modules) <= 0) + if (dsos__load_kernel(vmlinux_name, sym_priv_size, filter, + modules) <= 0) return -1; vdso = dso__new("[vdso]", 0); diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index c2a777de9b7..77b7b3e4241 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -63,11 +63,10 @@ static inline void *dso__sym_priv(struct dso *self, struct symbol *sym) struct symbol *dso__find_symbol(struct dso *self, u64 ip); int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size, - symbol_filter_t filter, int verbose, int modules); + symbol_filter_t filter, int modules); struct dso *dsos__findnew(const char *name, unsigned int sym_priv_size, bool *is_new); -int dso__load(struct dso *self, struct map *map, - symbol_filter_t filter, int v); +int dso__load(struct dso *self, struct map *map, symbol_filter_t filter); void dsos__fprintf(FILE *fp); size_t dso__fprintf(struct dso *self, FILE *fp); diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 8cb47f1d8a7..0f6d78c9863 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -127,9 +127,9 @@ static void thread__remove_overlappings(struct thread *self, struct map *map) continue; if (verbose >= 2) { - printf("overlapping maps:\n"); - map__fprintf(map, stdout); - map__fprintf(pos, stdout); + fputs("overlapping maps:\n", stderr); + map__fprintf(map, stderr); + map__fprintf(pos, stderr); } rb_erase(&pos->rb_node, &self->maps); -- cgit v1.2.3