diff options
| author | Namhyung Kim <[email protected]> | 2012-05-31 14:43:27 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2012-05-31 11:20:34 -0300 |
| commit | 114067b69e7b2c691faace0e33db2f04096f668d (patch) | |
| tree | 68e4e8e56fe448436a0efbdd03cd342768a32f0e /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | 472606458f3e1ced5fe3cc5f04e90a6b5a4732cf (diff) | |
perf tools: Check if callchain is corrupted
We faced segmentation fault on perf top -G at very high sampling rate
due to a corrupted callchain. While the root cause was not revealed (I
failed to figure it out), this patch tries to protect us from the
segfault on such cases.
Reported-by: Arnaldo Carvalho de Melo <[email protected]>
Signed-off-by: Namhyung Kim <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Sunjin Yang <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions