diff options
| author | austin_zhang@linux.intel.com <austin_zhang@linux.intel.com> | 2010-02-05 09:02:42 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-02-08 16:55:52 +0100 |
| commit | f7e7ee36757f68778700cde1aaed89e1d23e59fd (patch) | |
| tree | c6ea53150b5835324446aedc6418819211ff0bc2 /fs/pipe.c | |
| parent | 076dc4a65a6d99a16979e2c7917e669fb8c91ee5 (diff) | |
| download | linux-f7e7ee36757f68778700cde1aaed89e1d23e59fd.tar.bz2 | |
perf record: Fix existing process callgraph symbol
When 'perf record -g' a existing process, even with debuginfo
packages, still cannnot get symbol from 'perf report'.
try:
perf record -g -p `pidof xxx` -f
perf report
68.26% :1181 b74870f2 [.] 0x000000b74870f2
|
|--32.09%-- 0xb73b5b44
| 0xb7487102
| 0xb748a4e2
| 0xb748633d
| 0xb73b41cd
| 0xb73b4467
| 0xb747d531
The reason is: for existing process, in __cmd_record(),
the pid is 0 rather than the existing process id.
Signed-off-by: Austin Zhang <austin_zhang@linux.intel.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <4710.10.255.24.35.1265389362.squirrel@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/pipe.c')
0 files changed, 0 insertions, 0 deletions