Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754652AbZKIIir (ORCPT ); Mon, 9 Nov 2009 03:38:47 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754547AbZKIIir (ORCPT ); Mon, 9 Nov 2009 03:38:47 -0500 Received: from fgwmail7.fujitsu.co.jp ([192.51.44.37]:49300 "EHLO fgwmail7.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754400AbZKIIiq (ORCPT ); Mon, 9 Nov 2009 03:38:46 -0500 X-SecurityPolicyCheck-FJ: OK by FujitsuOutboundMailChecker v1.3.1 Date: Mon, 9 Nov 2009 17:36:10 +0900 From: KAMEZAWA Hiroyuki To: balbir@linux.vnet.ibm.com Cc: "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "nishimura@mxp.nes.nec.co.jp" , cl@linux-foundation.org, "akpm@linux-foundation.org" Subject: Re: [PATCH 2/2] memcg : rewrite percpu countings with new interfaces Message-Id: <20091109173610.3d23daf2.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20091109070737.GE3042@balbir.in.ibm.com> References: <20091106175242.6e13ee29.kamezawa.hiroyu@jp.fujitsu.com> <20091106175545.b97ee867.kamezawa.hiroyu@jp.fujitsu.com> <20091109070737.GE3042@balbir.in.ibm.com> Organization: FUJITSU Co. LTD. X-Mailer: Sylpheed 2.5.0 (GTK+ 2.10.14; i686-pc-mingw32) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1630 Lines: 47 On Mon, 9 Nov 2009 12:37:37 +0530 Balbir Singh wrote: > > after== > > Performance counter stats for './runpause.sh' (5 runs): > > > > 474919.429670 task-clock-msecs # 7.896 CPUs ( +- 0.013% ) > > 36520440 page-faults # 0.077 M/sec ( +- 1.854% ) > > 3109834751 cache-references # 6.548 M/sec ( +- 0.276% ) > > 1053275160 cache-misses # 2.218 M/sec ( +- 0.036% ) > > > > 60.146585280 seconds time elapsed ( +- 0.019% ) > > > > This test is affected by cpu-utilization but I think more improvements > > will be found in bigger system. > > > > Hi, Kamezawa-San, > > Could you please post the IPC results as well? > Because PREEMPT=n, no differnce between v1/v2, basically. Here. == Performance counter stats for './runpause.sh' (5 runs): 475884.969949 task-clock-msecs # 7.913 CPUs ( +- 0.005% ) 36592060 page-faults # 0.077 M/sec ( +- 0.301% ) 3037784893 cache-references # 6.383 M/sec ( +- 0.361% ) (scaled from 99.71%) 1130761297 cache-misses # 2.376 M/sec ( +- 0.244% ) (scaled from 98.24%) 60.136803969 seconds time elapsed ( +- 0.006% ) == But this program is highly affected by cpu utilization etc... Thanks, -Kame -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/