AcoSail/kernel_optimize_test
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perf timechart: Conditionally update start_time on fork

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We don't need to overwrite current task start_time on fork, so update it
only if it's zero.

Signed-off-by: Stanislav Fomichev <stfomichev@yandex-team.ru>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/n/1404835423-23098-4-git-send-email-stfomichev@yandex-team.ru
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
This commit is contained in:
Stanislav Fomichev 2014-07-08 20:03:42 +04:00 committed by Jiri Olsa
parent b97b59b93d
commit 962e310af5
1 changed files with 1 additions and 1 deletions
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tools/perf/builtin-timechart.c
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@ -242,7 +242,7 @@ static void pid_fork(struct timechart *tchart, int pid, int ppid, u64 timestamp)
pid_set_comm(tchart, pid, pp->current->comm);
p->start_time = timestamp;
if (p->current) {
if (p->current && !p->current->start_time) {
p->current->start_time = timestamp;
p->current->state_since = timestamp;
}