Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764981AbXHDREt (ORCPT ); Sat, 4 Aug 2007 13:04:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761211AbXHDREl (ORCPT ); Sat, 4 Aug 2007 13:04:41 -0400 Received: from ug-out-1314.google.com ([66.249.92.174]:63966 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760644AbXHDREj convert rfc822-to-8bit (ORCPT ); Sat, 4 Aug 2007 13:04:39 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:date:from:to:cc:subject:message-id:in-reply-to:references:x-mailer:mime-version:content-type:content-transfer-encoding; b=nef7GlHSeksYxPpBdygwUIbstPgqOMBcxJZ9UY/TdgMCIDW8QAPtia+shu2U1N5vyAPKqDE+Fvr0ESPft39sdzhtbcKBp9gzoFW+lhDYQnvxJeyFkA3aNxpXV4THWqb6yrUtnEIqFa2eWpP14klkhBgSV41O8bLGny57MPzHe9g= Date: Sat, 4 Aug 2007 19:02:10 +0200 From: Diego Calleja To: Ingo Molnar Cc: 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: <20070804190210.8b1530dd.diegocg@gmail.com> In-Reply-To: <20070804163733.GA31001@elte.hu> References: <20070803123712.987126000@chello.nl> <20070804063217.GA25069@elte.hu> <20070804070737.GA940@elte.hu> <20070804103347.GA1956@elte.hu> <20070804163733.GA31001@elte.hu> X-Mailer: Sylpheed 2.4.4 (GTK+ 2.11.6; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 629 Lines: 13 El Sat, 4 Aug 2007 18:37:33 +0200, Ingo Molnar escribi?: > 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? - 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/