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From: jacob pan <jacob.jun.pan@linux.intel.com>
To: Paul Menage <menage@google.com>
Cc: container cgroup <containers@lists.linux-foundation.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Li Zefan <lizf@cn.fujitsu.com>,
	Arjan van de Ven <arjan@linux.intel.com>
Subject: Re: [RFC PATCH 1/2] cgroup: add per cgroup timer_slack_ns
Date: Thu, 2 Dec 2010 12:45:59 -0800	[thread overview]
Message-ID: <20101202124559.0a7128de@jacob-laptop> (raw)
In-Reply-To: <AANLkTi=1uv-+Y5t85tyHKk91nJyAKNg5V4Fk2HTJ+ASS@mail.gmail.com>

On Wed, 1 Dec 2010 12:17:20 -0800
Paul Menage <menage@google.com> wrote:

> When multiple hierarchies are mounted a task will be in one cgroup on
> each hierarchy - which cgroup's timer_slack_ns value should be used
> for it?
> 
> This doesn't belong in the generic cgroups framework. It sounds like
> it's something that should be its own subsystem, or else part of
> something like the cpu subsystem.
good point. the current behavior is that the timer_slack_ns value will
be assigned by the last hierarchy it attaches to, which might not be
desirable.

I guess timer_slack_ns alone cannot qualify for a new subsystem, I will
try to fit it into cpuset.

Thanks for the review,

Jacob

  reply	other threads:[~2010-12-02 20:45 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-01 19:00 [RFC PATCH 0/2] per cgroup timer slack and freezer duty cycle jacob.jun.pan
2010-12-01 19:00 ` [RFC PATCH 1/2] cgroup: add per cgroup timer_slack_ns jacob.jun.pan
     [not found]   ` <1291230012-9536-2-git-send-email-jacob.jun.pan-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2010-12-01 20:17     ` Paul Menage
2010-12-01 20:17   ` Paul Menage
2010-12-02 20:45     ` jacob pan [this message]
2010-12-02 20:52       ` Paul Menage
2010-12-02 22:06         ` jacob pan
     [not found]         ` <AANLkTimRrSjJDAxS2Pe5bfMbR=nuV6WQiJdnawSb_kZd-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-12-02 22:06           ` jacob pan
2010-12-02 20:52       ` Paul Menage
2010-12-02 20:52       ` Paul Menage
2010-12-02 20:52       ` Paul Menage
     [not found]     ` <AANLkTi=1uv-+Y5t85tyHKk91nJyAKNg5V4Fk2HTJ+ASS-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-12-02 20:45       ` jacob pan
     [not found] ` <1291230012-9536-1-git-send-email-jacob.jun.pan-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2010-12-01 19:00   ` jacob.jun.pan-VuQAYsv1563Yd54FQh9/CA
2010-12-01 19:00   ` [RFC PATCH 2/2] cgroup/freezer: add per freezer duty ratio control jacob.jun.pan-VuQAYsv1563Yd54FQh9/CA
2010-12-01 19:00 ` jacob.jun.pan
     [not found]   ` <1291230012-9536-3-git-send-email-jacob.jun.pan-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2011-02-01 14:23     ` Kirill A. Shutemov
2011-02-01 14:23   ` Kirill A. Shutemov
     [not found]     ` <20110201142301.GA23803-oKw7cIdHH8eLwutG50LtGA@public.gmane.org>
2011-02-02 19:32       ` jacob pan
2011-02-02 19:32     ` jacob pan

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