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Date:   Thu, 26 Oct 2017 10:57:08 -0700
From:   Tejun Heo <>
To:     Li Zefan <>,
        Johannes Weiner <>,
        Ingo Molnar <>,
        Peter Zijlstra <>,
        Roman Gushchin <>
Subject: Re: [PATCH cgroup/for-4.15] cgroup, sched: Move basic cpu stats from
 cgroup.stat to cpu.stat

On Mon, Oct 23, 2017 at 04:18:27PM -0700, Tejun Heo wrote:
> The basic cpu stat is currently shown with "cpu." prefix in
> cgroup.stat, and the same information is duplicated in cpu.stat when
> cpu controller is enabled.  This is ugly and not very scalable as we
> want to expand the coverage of stat information which is always
> available.
> This patch makes cgroup core always create "cpu.stat" file and show
> the basic cpu stat there and calls the cpu controller to show the
> extra stats when enabled.  This ensures that the same information
> isn't presented in multiple places and makes future expansion of basic
> stats easier.
> Signed-off-by: Tejun Heo <>

Applied to cgroup/for-4.15.



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