Re: [PATCH] perf/core: Update cgroup time with descendants

On Tue, Sep 19, 2017 at 10:02:50AM +0800, Lin Xiulei wrote: > Add steps of reproducing > > 1 > ``` > mkdir /sys/fs/cgroup/perf_event/root1 > mkdir /sys/fs/cgroup/perf_event/root1/leaf1 > ``` > 2 $pid is any running process > ``` > echo $pid > /sys/fs/cgroup/perf_event/root1/cgroup.procs > ``` >

Re: [PATCH] perf/core: Update cgroup time with descendants

Add steps of reproducing 1 ``` mkdir /sys/fs/cgroup/perf_event/root1 mkdir /sys/fs/cgroup/perf_event/root1/leaf1 ``` 2 $pid is any running process ``` echo $pid > /sys/fs/cgroup/perf_event/root1/cgroup.procs ``` 3 ``` perf stat -e cycles -G root1 -a -I 1000 ``` You shall get 0 cycles from it, w

[PATCH] perf/core: Update cgroup time with descendants

From: "leilei.lin" This fix updating cgroup time when event is being scheduled in by cgroup descendants Signed-off-by: leilei.lin --- kernel/events/core.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/kernel/events/core.c b/kernel/events/core.c index 3e691b7..6f6bd1e 1