From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755266AbZHKPSG (ORCPT ); Tue, 11 Aug 2009 11:18:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755247AbZHKPSE (ORCPT ); Tue, 11 Aug 2009 11:18:04 -0400 Received: from mx2.redhat.com ([66.187.237.31]:41803 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755230AbZHKPSB (ORCPT ); Tue, 11 Aug 2009 11:18:01 -0400 Message-ID: <4A818AF3.9050706@redhat.com> Date: Tue, 11 Aug 2009 11:14:59 -0400 From: Prarit Bhargava User-Agent: Thunderbird 1.5.0.7 (X11/20061008) MIME-Version: 1.0 To: balbir@linux.vnet.ibm.com CC: Andrew Morton , KAMEZAWA Hiroyuki , "nishimura@mxp.nes.nec.co.jp" , KOSAKI Motohiro , "menage@google.com" , andi.kleen@intel.com, Pavel Emelianov , "lizf@cn.fujitsu.com" , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" Subject: Re: Help Resource Counters Scale better (v4) References: <20090811144405.GW7176@balbir.in.ibm.com> <4A81863A.2050504@redhat.com> In-Reply-To: <4A81863A.2050504@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Prarit Bhargava wrote: > > > Balbir Singh wrote: >> Enhancement: Remove the overhead of root based resource counter >> accounting >> >> >> > > >> Please test/review. >> >> > FWIW ... > > On a 64p/32G system running 2.6.31-git2-rc5, with RESOURCE_COUNTERS > off, "time make -j64" results in > > real 4m54.972s > user 90m13.456s > sys 50m19.711s > > On the same system, running 2.6.31-git2-rc5, with RESOURCE_COUNTERS on, > plus Balbir's "Help Resource Counters Scale Better (v3)" patch, and > this patch, results in Oops, sorry Balbir. I meant to write: On the same system, running 2.6.31-git2-rc5, with RESOURCE_COUNTERS on, plus Balbir's "Help Resource Counters Scale Better (v4)" patch results in ... Sorry for the typo, P.