perf/core: Update cgroup time with descendants

PATCH Superseded [email protected] 1 participant 1 message Sep 19, 2017 perf events

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2017-09-19 09:53 UTC #0 lore raw

PATCH v2 1/1 perf/core: Update cgroup time with descendants

From: "leilei.lin" <[email protected]>

This fix updating cgroup time when event is being scheduled in by descendants

Signed-off-by leilei.lin <[email protected]>

Reviewed-and-tested-by Jiri Olsa <[email protected]>

---
 kernel/events/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

kernel/events/core.c +1 -1

index 3e691b7..e3a5e32 100644
@@ -662,7 +662,7 @@ static inline void update_cgrp_time_from_event(struct perf_event *event)
 	/*
 	 * Do not update time when cgroup is not active
 	 */
-	if (cgrp == event->cgrp)
+	if (cgroup_is_descendant(cgrp->css.cgroup, event->cgrp->css.cgroup))
 		__update_cgrp_time(event->cgrp);
 }

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2.8.4.31.g9ed660f