Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755821AbXHHKoT (ORCPT ); Wed, 8 Aug 2007 06:44:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751083AbXHHKoJ (ORCPT ); Wed, 8 Aug 2007 06:44:09 -0400 Received: from mx1.redhat.com ([66.187.233.31]:54223 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751024AbXHHKoH (ORCPT ); Wed, 8 Aug 2007 06:44:07 -0400 Date: Wed, 8 Aug 2007 12:43:09 +0200 From: Karel Zak To: Ingo Molnar Cc: Diego Calleja , Linus Torvalds , Peter Zijlstra , linux-mm@kvack.org, linux-kernel@vger.kernel.org, miklos@szeredi.hu, akpm@linux-foundation.org, neilb@suse.de, dgc@sgi.com, tomoki.sekiyama.qu@hitachi.com, nikita@clusterfs.com, trond.myklebust@fys.uio.no, yingchao.zhou@gmail.com, richard@rsk.demon.co.uk Subject: Re: [PATCH 00/23] per device dirty throttling -v8 Message-ID: <20070808104309.GA3173@petra.dvoda.cz> References: <20070803123712.987126000@chello.nl> <20070804063217.GA25069@elte.hu> <20070804070737.GA940@elte.hu> <20070804103347.GA1956@elte.hu> <20070804163733.GA31001@elte.hu> <20070804190210.8b1530dd.diegocg@gmail.com> <20070804171724.GA4740@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20070804171724.GA4740@elte.hu> User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1165 Lines: 31 On Sat, Aug 04, 2007 at 07:17:24PM +0200, Ingo Molnar wrote: > > * Diego Calleja wrote: > > > El Sat, 4 Aug 2007 18:37:33 +0200, Ingo Molnar escribió: > > > > > thousands of applications. So for most file workloads we give > > > Windows a 20%-30% performance edge, for almost nothing. (for > > > RAM-starved kernel builds the performance difference between atime > > > and noatime+nodiratime setups is more on the order of 40%) > > > > Just curious - do you have numbers with relatime? > > nope. Stupid question, i just tried it and got this: > > EXT3-fs: Unrecognized mount option "relatime" or missing value > > i've got util-linux-2.13-0.46.fc6 and 2.6.22 on that box, shouldnt that The relatime patch has been applied to util-lilnux-ng-2.13 (now -rc3), you will see it in Fedora 8 (and probably in the others distros). Karel -- Karel Zak - 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/