linux-kernel - Re: [PATCH] memcg: drain all stocks for the cgroup before read usage

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Message-ID: <20110908100923.GD1316@redhat.com>
Date:	Thu, 8 Sep 2011 12:09:23 +0200
From:	Johannes Weiner <jweiner@...hat.com>
To:	"Kirill A. Shutemov" <kirill@...temov.name>
Cc:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Daisuke Nishimura <nishimura@....nes.nec.co.jp>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Balbir Singh <bsingharora@...il.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] memcg: drain all stocks for the cgroup before read usage

On Thu, Sep 08, 2011 at 03:49:07AM +0300, Kirill A. Shutemov wrote:
> On Thu, Sep 08, 2011 at 09:19:14AM +0900, KAMEZAWA Hiroyuki wrote:
> > > Should we have field 'ram' (or 'memory') for rss+cache in memory.stat?
> > 
> > Why do you think so ?
> 
> It may be useful for scripting purpose. Just an idea.

$ awk '/^cache/{mem+=$2} /^rss/{mem+=$2} END{print(mem)}' /sys/fs/cgroup/memory/memory.stat 
1904500736

Am I missing something here?
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