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Groups > linux.kernel > #1734779 > unrolled thread
| Started by | linxiulei@gmail.com |
|---|---|
| First post | 2017-09-19 12:00 +0200 |
| Last post | 2017-09-19 12:00 +0200 |
| Articles | 1 — 1 participant |
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[PATCH v2] perf/core: Update cgroup time with descendants linxiulei@gmail.com - 2017-09-19 12:00 +0200
| From | linxiulei@gmail.com |
|---|---|
| Date | 2017-09-19 12:00 +0200 |
| Subject | [PATCH v2] perf/core: Update cgroup time with descendants |
| Message-ID | <urntU-3th-9@gated-at.bofh.it> |
From: "leilei.lin" <leilei.lin@alibaba-inc.com> This fix updating cgroup time when event is being scheduled in by descendants Signed-off-by: leilei.lin <leilei.lin@alibaba-inc.com> Reviewed-and-tested-by: Jiri Olsa <jolsa@kernel.org> --- kernel/events/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/events/core.c b/kernel/events/core.c index 3e691b7..e3a5e32 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -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); } -- 2.8.4.31.g9ed660f
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