• Arnaldo Carvalho de Melo's avatar
    perf report: Add debug help for the finding of symbol bugs - show the symtab... · 94cb9e38
    Arnaldo Carvalho de Melo authored
    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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
    Acked-by: default avatarPeter Zijlstra <peterz@infradead.org>
    Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
    94cb9e38
symbol.h 1.36 KB