linux-kernel - Re: Help Resource Counters Scale better (v4)

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Message-ID: <4A818A39.3000201@redhat.com>
Date:	Tue, 11 Aug 2009 11:11:53 -0400
From:	Prarit Bhargava <prarit@...hat.com>
To:	balbir@...ux.vnet.ibm.com
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	"nishimura@....nes.nec.co.jp" <nishimura@....nes.nec.co.jp>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	"menage@...gle.com" <menage@...gle.com>, andi.kleen@...el.com,
	Pavel Emelianov <xemul@...nvz.org>,
	"lizf@...fujitsu.com" <lizf@...fujitsu.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: Help Resource Counters Scale better (v4)


>>     
>
> Without the patch and RESOURCE_COUNTERS do you see a big overhead. I'd
> assume so, I am seeing it on my 24 way box that I have access to.
>   

I see a *huge* overhead:

real 27m8.988s
user 87m24.916s
sys 382m6.037s

P.
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