diff options
Diffstat (limited to 'tools/perf/util')
38 files changed, 1742 insertions, 940 deletions
diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h index 6f8ea9d210b..918eb376abe 100644 --- a/tools/perf/util/cache.h +++ b/tools/perf/util/cache.h @@ -1,10 +1,15 @@ -#ifndef CACHE_H -#define CACHE_H +#ifndef __PERF_CACHE_H +#define __PERF_CACHE_H #include "util.h" #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" @@ -117,4 +122,4 @@ 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/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 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..c2e62be6279 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -1,14 +1,10 @@ #ifndef __PERF_RECORD_H #define __PERF_RECORD_H + #include "../perf.h" #include "util.h" #include <linux/list.h> - -enum { - SHOW_KERNEL = 1, - SHOW_USER = 2, - SHOW_HV = 4, -}; +#include <linux/rbtree.h> /* * PERF_SAMPLE_IP | PERF_SAMPLE_TID | * @@ -78,7 +74,10 @@ typedef union event_union { } event_t; struct map { - struct list_head node; + union { + struct rb_node rb_node; + struct list_head node; + }; u64 start; u64 end; u64 pgoff; @@ -101,4 +100,4 @@ 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.c b/tools/perf/util/header.c index e306857b2c2..9aae360c0f2 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); @@ -254,10 +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); @@ -290,6 +329,15 @@ 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 a0761bc7863..30aee5160dc 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 <sys/types.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); @@ -40,8 +42,8 @@ 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); -#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/hist.c b/tools/perf/util/hist.c new file mode 100644 index 00000000000..7393a02fd8d --- /dev/null +++ b/tools/perf/util/hist.c @@ -0,0 +1,210 @@ +#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 + */ + +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) +{ + 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..ac2149c559b --- /dev/null +++ b/tools/perf/util/hist.h @@ -0,0 +1,50 @@ +#ifndef __PERF_HIST_H +#define __PERF_HIST_H +#include "../builtin.h" + +#include "util.h" + +#include "color.h" +#include <linux/list.h> +#include "cache.h" +#include <linux/rbtree.h> +#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; + +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 *); +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 */ 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.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 <libelf.h> -#include <libgen.h> -#include <gelf.h> -#include <elf.h> -#include <dirent.h> -#include <sys/utsname.h> - -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 8a592ef641c..00000000000 --- a/tools/perf/util/module.h +++ /dev/null @@ -1,53 +0,0 @@ -#ifndef _PERF_MODULE_ -#define _PERF_MODULE_ 1 - -#include <linux/types.h> -#include "../types.h" -#include <linux/list.h> -#include <linux/rbtree.h> - -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/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 <stddef.h> #include <stdio.h> @@ -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/sort.c b/tools/perf/util/sort.c new file mode 100644 index 00000000000..40c9acd41ca --- /dev/null +++ b/tools/perf/util/sort.c @@ -0,0 +1,276 @@ +#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->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); + + 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->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); +} + +/* --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) { + 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) + ret += repsep_fprintf(fp, "%s", self->sym->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..13806d782af --- /dev/null +++ b/tools/perf/util/sort.h @@ -0,0 +1,90 @@ +#ifndef __PERF_SORT_H +#define __PERF_SORT_H +#include "../builtin.h" + +#include "util.h" + +#include "color.h" +#include <linux/list.h> +#include "cache.h" +#include <linux/rbtree.h> +#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; + u64 count; + struct thread *thread; + struct map *map; + struct symbol *sym; + u64 ip; + char level; + struct symbol *parent; + struct callchain_node callchain; + struct rb_root sorted_chain; +}; + +/* + * 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 */ 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.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 <string.h> #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 bf39dfadfd2..2c84bf65ba0 100644 --- a/tools/perf/util/string.h +++ b/tools/perf/util/string.h @@ -1,11 +1,12 @@ -#ifndef _PERF_STRING_H_ -#define _PERF_STRING_H_ +#ifndef __PERF_STRING_H_ +#define __PERF_STRING_H_ #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) -#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 <linux/rbtree.h> #include <stdbool.h> @@ -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.c b/tools/perf/util/symbol.c index 47ea0609a76..faa84f5d4f5 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 <libelf.h> #include <gelf.h> #include <elf.h> +#include <sys/utsname.h> const char *sym_hist_filter; @@ -18,12 +20,65 @@ 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 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__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)) { + prev = curr; + curr = rb_entry(nd, struct symbol, rb_node); + + if (prev->end == prev->start) + prev->end = curr->start - 1; + } + + /* Last entry */ + if (curr->end == curr->start) + curr->end = roundup(curr->start, 4096); +} + +static void kernel_maps__fixup_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); + + 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; + } + + nd = rb_last(&curr->dso->syms); + if (nd) { + struct symbol *sym = rb_entry(nd, struct symbol, rb_node); + curr->end = sym->end; + } +} + +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); @@ -31,11 +86,10 @@ static struct symbol *symbol__new(u64 start, u64 len, if (!self) 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); + if (v > 2) + 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 +114,8 @@ 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 +124,8 @@ 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 +152,8 @@ 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 +201,7 @@ 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->short_name); struct rb_node *nd; for (nd = rb_first(&self->syms); nd; nd = rb_next(nd)) { @@ -158,13 +212,16 @@ 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) +/* + * 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 rb_node *nd, *prevnd; char *line = NULL; size_t n; FILE *file = fopen("/proc/kallsyms", "r"); - int count = 0; if (file == NULL) goto out_failure; @@ -174,6 +231,7 @@ static int dso__load_kallsyms(struct dso *self, symbol_filter_t filter, int v) struct symbol *sym; int line_len, len; char symbol_type; + char *symbol_name; line_len = getline(&line, &n, file); if (line_len < 0) @@ -196,44 +254,24 @@ static int dso__load_kallsyms(struct dso *self, symbol_filter_t filter, int v) */ if (symbol_type != 'T' && symbol_type != 'W') continue; + + symbol_name = line + len + 2; /* - * Well fix up the end later, when we have all sorted. + * Will fix up the end later, when we have all symbols sorted. */ - sym = symbol__new(start, 0xdead, line + len + 2, - self->sym_priv_size, 0, v); + sym = symbol__new(start, 0, symbol_name, + kernel_map->dso->sym_priv_size, v); if (sym == NULL) goto out_delete_line; - if (filter && filter(self, sym)) - symbol__delete(sym, self->sym_priv_size); - else { - dso__insert_symbol(self, 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; + dso__insert_symbol(kernel_map->dso, sym); } free(line); fclose(file); - return count; + return 0; out_delete_line: free(line); @@ -241,14 +279,125 @@ out_failure: return -1; } -static int dso__load_perf_map(struct dso *self, symbol_filter_t filter, int v) +/* + * 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) + goto delete_symbol; + + *module++ = '\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; + } + } + /* + * 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; + } + + map->map_ip = vdso__map_ip; + kernel_maps__insert(map); + ++kernel_range; + } + + 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++; + } + } + + return count; +} + + +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, int v) +{ + size_t printed = fprintf(stderr, "Kernel maps:\n"); + struct rb_node *nd; + + 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); + if (v > 1) { + printed += dso__fprintf(pos->dso, fp); + printed += fprintf(fp, "--\n"); + } + } + + 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) { 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 +428,12 @@ 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); @@ -409,7 +558,7 @@ 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; @@ -477,7 +626,7 @@ 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; @@ -495,7 +644,7 @@ 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; @@ -514,13 +663,17 @@ 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) { + 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; @@ -531,7 +684,7 @@ 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) { @@ -587,9 +740,7 @@ static int dso__load_sym(struct dso *self, int fd, const char *name, elf_symtab__for_each_symbol(syms, nr_syms, idx, sym) { struct symbol *f; const char *elf_name; - char *demangled; - u64 obj_start; - struct section *section = NULL; + char *demangled = NULL; int is_label = elf_sym__is_label(&sym); const char *section_name; @@ -605,52 +756,85 @@ static int dso__load_sym(struct dso *self, int fd, 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); - obj_start = sym.st_value; - if (self->adjust_symbols) { - if (v >= 2) + 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 (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); 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; - } - } /* * 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 * 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; - +new_symbol: f = symbol__new(sym.st_value, sym.st_size, elf_name, - self->sym_priv_size, obj_start, v); + curr_dso->sym_priv_size, v); free(demangled); if (!f) goto out_elf_end; - if (filter && filter(self, f)) - symbol__delete(f, self->sym_priv_size); + if (filter && filter(curr_map, f)) + symbol__delete(f, curr_dso->sym_priv_size); else { - f->module = mod; - 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); @@ -670,7 +854,7 @@ 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; @@ -679,7 +863,7 @@ 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; } @@ -708,7 +892,7 @@ 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: @@ -726,6 +910,7 @@ 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) @@ -733,7 +918,7 @@ 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; @@ -746,7 +931,7 @@ 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; @@ -759,10 +944,12 @@ 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); @@ -776,7 +963,7 @@ more: self->origin++; /* Fall thru */ case DSO__ORIG_DSO: - snprintf(name, size, "%s", self->name); + snprintf(name, size, "%s", self->long_name); break; default: @@ -786,7 +973,7 @@ 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); /* @@ -807,89 +994,243 @@ out: return ret; } -static int dso__load_module(struct dso *self, struct mod_dso *mods, const char *name, - symbol_filter_t filter, int v) +struct map *kernel_map; + +static void kernel_maps__insert(struct map *map) +{ + maps__insert(&kernel_maps, map); +} + +struct symbol *kernel_maps__find_symbol(u64 ip, struct map **mapp) { - struct module *mod = mod_dso__find_module(mods, name); - int err = 0, fd; + struct map *map = maps__find(&kernel_maps, ip); - if (mod == NULL || !mod->active) - return err; + if (mapp) + *mapp = map; - fd = open(mod->path, O_RDONLY); + if (map) { + ip = map->map_ip(map, ip); + return map->dso->find_symbol(map->dso, ip); + } - if (fd < 0) + return NULL; +} + +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); + + strxfrchar(dso_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; + /* + * 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; + } + } + 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; - if (prev) { - u64 hole = 0; - int alias = pos->start == prev->start; + self->pgoff = 0; + self->dso = dso; + self->map_ip = map__map_ip; + RB_CLEAR_NODE(&self->rb_node); + } + return self; +} - if (!alias) - hole = prev->start - pos->end - 1; +static int dsos__load_modules(unsigned int sym_priv_size) +{ + char *line = NULL; + size_t n; + FILE *file = fopen("/proc/modules", "r"); + struct map *map; - if (hole || alias) { - if (alias) - pos->end = prev->end; - else if (hole) - pos->end = prev->start - 1; - } + if (file == NULL) + return -1; + + while (!feof(file)) { + char name[PATH_MAX]; + u64 start; + struct dso *dso; + char *sep; + int line_len; + + 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); + + return 0; + +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); @@ -897,47 +1238,82 @@ 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 (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(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(filter, v); - if (syms < 0) { - fprintf(stderr, "dso__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(self, filter, v); + err = kernel_maps__load_kallsyms(filter, use_modules, v); - if (err > 0) - self->origin = DSO__ORIG_KERNEL; + if (err > 0) { + struct rb_node *node = rb_first(&dso->syms); + struct symbol *sym = rb_entry(node, struct symbol, rb_node); + + 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; + 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, v); + } 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; @@ -969,7 +1345,7 @@ 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; @@ -994,43 +1370,20 @@ 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 6e849071640..2e4522edeb0 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -1,11 +1,10 @@ -#ifndef _PERF_SYMBOL_ -#define _PERF_SYMBOL_ 1 +#ifndef __PERF_SYMBOL +#define __PERF_SYMBOL 1 #include <linux/types.h> #include "types.h" #include <linux/list.h> #include <linux/rbtree.h> -#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 +68,10 @@ 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 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 +83,8 @@ 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_ */ +#endif /* __PERF_SYMBOL */ diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 45efb5db0d1..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)); @@ -15,7 +18,8 @@ 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; + INIT_LIST_HEAD(&self->removed_maps); } return self; @@ -31,19 +35,27 @@ int thread__set_comm(struct thread *self, const char *comm) static size_t thread__fprintf(struct thread *self, FILE *fp) { + struct rb_node *nd; struct map *pos; - size_t ret = fprintf(fp, "Thread %d %s\n", self->pid, self->comm); + 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)) { + 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->maps, node) + list_for_each_entry(pos, &self->removed_maps, node) ret += map__fprintf(pos, 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; @@ -52,15 +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; } @@ -73,17 +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"); @@ -93,42 +104,82 @@ 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); } + + 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); + } +} + +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; } - list_add_tail(&map->node, &self->maps); + return NULL; +} + +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 +187,8 @@ 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; @@ -146,26 +198,12 @@ 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 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 32aea3c1c2a..1abef3b7455 100644 --- a/tools/perf/util/thread.h +++ b/tools/perf/util/thread.h @@ -1,22 +1,35 @@ +#ifndef __PERF_THREAD_H +#define __PERF_THREAD_H + #include <linux/rbtree.h> -#include <linux/list.h> #include <unistd.h> #include "symbol.h" struct thread { struct rb_node rb_node; - struct list_head maps; + struct rb_root maps; + struct list_head removed_maps; pid_t pid; char shortname[3]; char *comm; }; 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); -struct map *thread__find_map(struct thread *self, u64 ip); -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); + +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; +} + +#endif /* __PERF_THREAD_H */ 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-parse.c b/tools/perf/util/trace-event-parse.c index 55c9659a56e..eef60df7a5b 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); @@ -897,6 +921,21 @@ 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; + + 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; + if (read_expect_type(EVENT_NEWLINE, &token) < 0) goto fail; free_token(token); @@ -2845,6 +2884,15 @@ static void parse_header_field(char *type, 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; free_token(token); @@ -2926,7 +2974,7 @@ 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; @@ -2953,6 +3001,8 @@ 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-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 693f815c942..da77e073c86 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" @@ -26,6 +26,9 @@ enum { 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 { @@ -132,6 +135,7 @@ struct event { int flags; struct format format; struct print_fmt print_fmt; + char *system; }; enum { @@ -154,7 +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); @@ -166,7 +170,7 @@ 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); @@ -240,6 +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 /* _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 */ |