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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2009-08-06 21:43:17 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-08-09 14:54:36 +0400 |
| commit | 94cb9e385d5b4d55a5ae389baa10ad2835ea39bb (patch) | |
| tree | b089b9d5a20e9f35ced28880f6a98c511c89040e /tools/perf/Documentation/perf-stat.txt | |
| parent | 8f18aec535b5ca513dd13b531730177d35175ffa (diff) | |
| download | linux-94cb9e385d5b4d55a5ae389baa10ad2835ea39bb.tar.xz | |
perf report: Add debug help for the finding of symbol bugs - show the symtab origin (DSO, build-id, kernel, etc)
Used with perf report --verbose:
[acme@doppio linux-2.6-tip]$ perf report -v | head -16
5.17% firefox /usr/lib64/xulrunner-1.9.1/libxul.so 0x00000000005d8eee f [.] imgContainer::DrawFrameTo(gfxIImageFrame*, gfxIImageFrame*, nsRect&)
2.56% firefox /lib64/libpthread-2.10.1.so 0x0000000000008e02 d [.] __pthread_mutex_lock_internal
1.94% firefox /usr/lib64/xulrunner-1.9.1/libxul.so 0x0000000000d0af8f f [.] SearchTable
1.75% firefox [kernel] 0xffffffffff60013b k [.] vread_hpet
1.63% firefox /lib64/libpthread-2.10.1.so 0x000000000000a404 d [.] __pthread_mutex_unlock
1.47% firefox /usr/lib64/xulrunner-1.9.1/libmozjs.so 0x00000000000482ea f [.] js_Interpret
1.42% firefox /usr/lib64/xulrunner-1.9.1/libmozjs.so 0x000000000003eda3 f [.] JS_CallTracer
1.24% firefox [kernel] 0xffffffff8102ca4a k [k] read_hpet
1.16% firefox [kernel] 0xffffffff810f3dd4 k [k] fget_light
1.11% firefox /usr/lib64/xulrunner-1.9.1/libmozjs.so 0x00000000000567ff f [.] js_TraceObject
0.98% firefox /usr/lib64/firefox-3.5.2/firefox 0x000000000000dd23 b [.] arena_ralloc
[acme@doppio linux-2.6-tip]$
The new field is just after the symbol address. To help in
figuring out symbol resolution bugs.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/Documentation/perf-stat.txt')
0 files changed, 0 insertions, 0 deletions