From: Tejun Heo <tj@kernel.org>
To: Li Zefan <lizefan@huawei.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Roman Gushchin <guro@fb.com>
Cc: linux-kernel@vger.kernel.org, cgroups@vger.kernel.org,
kernel-team@fb.com
Subject: Re: [PATCH cgroup/for-4.15] cgroup, sched: Move basic cpu stats from cgroup.stat to cpu.stat
Date: Thu, 26 Oct 2017 10:57:08 -0700 [thread overview]
Message-ID: <20171026175708.GG59538@devbig577.frc2.facebook.com> (raw)
In-Reply-To: <20171023231827.GA8598@devbig577.frc2.facebook.com>
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 <tj@kernel.org>
Applied to cgroup/for-4.15.
Thanks.
--
tejun
prev parent reply other threads:[~2017-10-26 17:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-23 23:18 [PATCH cgroup/for-4.15] cgroup, sched: Move basic cpu stats from cgroup.stat to cpu.stat Tejun Heo
2017-10-24 8:35 ` Peter Zijlstra
2017-10-24 14:59 ` Tejun Heo
2017-10-26 17:43 ` Peter Zijlstra
2017-10-26 17:57 ` Tejun Heo [this message]
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