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-rw-r--r--tools/perf/builtin-sched.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 5052caa91caa..d53e706a6f17 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -2405,7 +2405,7 @@ static int timehist_sched_change_event(struct perf_tool *tool,
if (ptime->start && ptime->start > t)
goto out;
- if (ptime->start > tprev)
+ if (tprev && ptime->start > tprev)
tprev = ptime->start;
/*