Messages in this thread Patch in this message | | | Date | Tue, 10 Oct 2017 03:53:22 -0700 | From | "tip-bot for leilei.lin" <> | Subject | [tip:perf/urgent] perf/core: Fix cgroup time when scheduling descendants |
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Commit-ID: e6a5203399d19871021c1fa0eb2a08fc63b67e91 Gitweb: https://git.kernel.org/tip/e6a5203399d19871021c1fa0eb2a08fc63b67e91 Author: leilei.lin <leilei.lin@alibaba-inc.com> AuthorDate: Fri, 29 Sep 2017 13:54:44 +0800 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Tue, 10 Oct 2017 10:06:55 +0200
perf/core: Fix cgroup time when scheduling descendants
Update cgroup time when an event is scheduled in by descendants.
Reviewed-and-tested-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: leilei.lin <leilei.lin@alibaba-inc.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: acme@kernel.org Cc: alexander.shishkin@linux.intel.com Cc: brendan.d.gregg@gmail.com Cc: yang_oliver@hotmail.com Link: http://lkml.kernel.org/r/CALPjY3mkHiekRkRECzMi9G-bjUQOvOjVBAqxmWkTzc-g+0LwMg@mail.gmail.com Signed-off-by: Ingo Molnar <mingo@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 243bfc6..9d93db8 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); }
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