diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-05-27 08:38:48 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-05-27 09:10:37 +0200 |
| commit | af83632f98aefd1ae4d8ca3c7c285ccf6a7d3956 (patch) | |
| tree | 2bed3ef8037644f03c7bc30447b44585cb01d83e /Documentation | |
| parent | 03f6316d32738ec5eda2e6f628c12d1c01e61a87 (diff) | |
perf report: Only load text symbols from kallsyms, fix
- allow 'W' symbols too
- Convert initializations to C99 style
- whitespace cleanups
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: John Kacur <jkacur@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <20090526222155.GJ4424@ghostprotocols.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/perf_counter/builtin-report.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/Documentation/perf_counter/builtin-report.c b/Documentation/perf_counter/builtin-report.c index a55f15d7651..ed3da9d6198 100644 --- a/Documentation/perf_counter/builtin-report.c +++ b/Documentation/perf_counter/builtin-report.c @@ -384,21 +384,26 @@ int hex2long(char *ptr, unsigned long *long_val) static int load_kallsyms(void) { + struct rb_node *nd, *prevnd; + char *line = NULL; + FILE *file; + size_t n; + kernel_dso = dso__new("[kernel]"); if (kernel_dso == NULL) return -1; - FILE *file = fopen("/proc/kallsyms", "r"); - + file = fopen("/proc/kallsyms", "r"); if (file == NULL) goto out_delete_dso; - char *line = NULL; - size_t n; - while (!feof(file)) { unsigned long start; - int line_len = getline(&line, &n, file); + struct symbol *sym; + int line_len, len; + char symbol_type; + + line_len = getline(&line, &n, file); if (line_len < 0) break; @@ -407,22 +412,22 @@ static int load_kallsyms(void) line[--line_len] = '\0'; /* \n */ - int len = hex2long(line, &start); - + len = hex2long(line, &start); + len++; if (len + 2 >= line_len) continue; - char symbol_type = line[len]; + symbol_type = toupper(line[len]); /* * We're interested only in code ('T'ext) */ - if (toupper(symbol_type) != 'T') + if (symbol_type != 'T' && symbol_type != 'W') continue; /* * Well fix up the end later, when we have all sorted. */ - struct symbol *sym = symbol__new(start, 0xdead, line + len + 2); + sym = symbol__new(start, 0xdead, line + len + 2); if (sym == NULL) goto out_delete_dso; @@ -434,7 +439,7 @@ static int load_kallsyms(void) * Now that we have all sorted out, just set the ->end of all * symbols */ - struct rb_node *nd, *prevnd = rb_first(&kernel_dso->syms); + prevnd = rb_first(&kernel_dso->syms); if (prevnd == NULL) goto out_delete_line; @@ -450,6 +455,7 @@ static int load_kallsyms(void) dsos__add(kernel_dso); free(line); fclose(file); + return 0; out_delete_line: |