diff options
Diffstat (limited to 'tools/perf/builtin-sched.c')
| -rw-r--r-- | tools/perf/builtin-sched.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 9c1276dc8ef6..1c386ebe4b98 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -2683,9 +2683,12 @@ static int timehist_sched_change_event(const struct perf_tool *tool, * - previous sched event is out of window - we are done * - sample time is beyond window user cares about - reset it * to close out stats for time window interest + * - If tprev is 0, that is, sched_in event for current task is + * not recorded, cannot determine whether sched_in event is + * within time window interest - ignore it */ if (ptime->end) { - if (tprev > ptime->end) + if (!tprev || tprev > ptime->end) goto out; if (t > ptime->end) |