diff options
| author | Namhyung Kim <[email protected]> | 2013-10-31 10:05:29 +0900 |
|---|---|---|
| committer | Jiri Olsa <[email protected]> | 2014-06-01 14:34:58 +0200 |
| commit | b4d3c8bd86c4eda08456691121f83b4e1db46866 (patch) | |
| tree | e2d7d9cd824fd91a97b4ade66d11098290ccd656 /lib/test-string_helpers.c | |
| parent | c7405d85d7a354b8ba49e2db7c4b027e6cb997c1 (diff) | |
perf report: Cache cumulative callchains
It is possble that a callchain has cycles or recursive calls. In that
case it'll end up having entries more than 100% overhead in the
output. In order to prevent such entries, cache each callchain node
and skip if same entry already cumulated.
Signed-off-by: Namhyung Kim <[email protected]>
Tested-by: Arun Sharma <[email protected]>
Tested-by: Rodrigo Campos <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Jiri Olsa <[email protected]>
Diffstat (limited to 'lib/test-string_helpers.c')
0 files changed, 0 insertions, 0 deletions