Messages in this thread Patch in this message | | | From | Andrey Ryabinin <> | Subject | [PATCH 2/4] cgroup: Fix 'usage_usec' time in root's cpu.stat | Date | Wed, 17 Feb 2021 15:00:02 +0300 |
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Global CPUTIME_USER counter already includes CPUTIME_GUEST Also CPUTIME_NICE already includes CPUTIME_GUEST_NICE.
Remove additions of CPUTIME_GUEST[_NICE] to total ->sum_exec_runtime to not account them twice.
Fixes: 936f2a70f207 ("cgroup: add cpu.stat file to root cgroup") Signed-off-by: Andrey Ryabinin <arbn@yandex-team.com> Cc: <stable@vger.kernel.org> --- kernel/cgroup/rstat.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/kernel/cgroup/rstat.c b/kernel/cgroup/rstat.c index d51175cedfca..89ca9b61aa0d 100644 --- a/kernel/cgroup/rstat.c +++ b/kernel/cgroup/rstat.c @@ -421,8 +421,6 @@ static void root_cgroup_cputime(struct task_cputime *cputime) cputime->sum_exec_runtime += user; cputime->sum_exec_runtime += sys; cputime->sum_exec_runtime += cpustat[CPUTIME_STEAL]; - cputime->sum_exec_runtime += cpustat[CPUTIME_GUEST]; - cputime->sum_exec_runtime += cpustat[CPUTIME_GUEST_NICE]; } } -- 2.26.2
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