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| author | Akihiro Nagai <akihiro.nagai.hw@hitachi.com> | 2012-01-30 13:43:15 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-01-30 18:09:21 -0200 |
| commit | a978f2ab4166a84c77d0f846f59690f2a892d058 (patch) | |
| tree | 015a35d71132a28a53b729be99ab469ebb641a66 /tools/perf/util/symbol.c | |
| parent | 9558259697b827106b464648e850e568e0b0c931 (diff) | |
| download | talos-obmc-linux-a978f2ab4166a84c77d0f846f59690f2a892d058.tar.gz talos-obmc-linux-a978f2ab4166a84c77d0f846f59690f2a892d058.zip | |
perf script: Add the offset field specifier
Add the offset field specifier 'symoff' to show the offset from
the symbols in the output of perf-script. We can get the more
detailed address information.
Output sample:
ffffffff81467612 irq_return+0x0 => 301ec016b0 _start+0x0
ffffffff81467612 irq_return+0x0 => 301ec016b0 _start+0x0
301ec016b3 _start+0x3 => 301ec04b70 _dl_start+0x0
ffffffff81467612 irq_return+0x0 => 301ec04b70 _dl_start+0x0
ffffffff81467612 irq_return+0x0 => 301ec04b96 _dl_start+0x26
ffffffff81467612 irq_return+0x0 => 301ec04b9d _dl_start+0x2d
301ec04beb _dl_start+0x7b => 301ec04c0d _dl_start+0x9d
301ec04c11 _dl_start+0xa1 => 301ec04bf0 _dl_start+0x80
[snip]
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: yrl.pp-manager.tt@hitachi.com
Link: http://lkml.kernel.org/r/20120130044314.2384.67094.stgit@linux3
Signed-off-by: Akihiro Nagai <akihiro.nagai.hw@hitachi.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/symbol.c')
| -rw-r--r-- | tools/perf/util/symbol.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index b580fa82911a..fc6e12fe4b44 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -263,16 +263,26 @@ static size_t symbol__fprintf(struct symbol *sym, FILE *fp) sym->name); } -size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp) +size_t symbol__fprintf_symname_offs(const struct symbol *sym, + const struct addr_location *al, FILE *fp) { - const char *symname; + unsigned long offset; + size_t length; - if (sym && sym->name) - symname = sym->name; - else - symname = "[unknown]"; + if (sym && sym->name) { + length = fprintf(fp, "%s", sym->name); + if (al) { + offset = al->addr - sym->start; + length += fprintf(fp, "+0x%lx", offset); + } + return length; + } else + return fprintf(fp, "[unknown]"); +} - return fprintf(fp, "%s", symname); +size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp) +{ + return symbol__fprintf_symname_offs(sym, NULL, fp); } void dso__set_long_name(struct dso *dso, char *name) |
