Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S273049AbTHFA4C (ORCPT ); Tue, 5 Aug 2003 20:56:02 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S273060AbTHFA4C (ORCPT ); Tue, 5 Aug 2003 20:56:02 -0400 Received: from dyn-ctb-210-9-244-102.webone.com.au ([210.9.244.102]:24326 "EHLO chimp.local.net") by vger.kernel.org with ESMTP id S273049AbTHFAz4 (ORCPT ); Tue, 5 Aug 2003 20:55:56 -0400 Message-ID: <3F305205.2010705@cyberone.com.au> Date: Wed, 06 Aug 2003 10:55:33 +1000 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.3.1) Gecko/20030618 Debian/1.3.1-3 X-Accept-Language: en MIME-Version: 1.0 To: Peter Chubb CC: Andrew Morton , Martin Konold , linux-kernel@vger.kernel.org Subject: Re: Interactive Usage of 2.6.0.test1 worse than 2.4.21 References: <200308050704.22684.martin.konold@erfrakon.de> <20030804232654.295c9255.akpm@osdl.org> <16176.13066.601441.179810@wombat.chubb.wattle.id.au> In-Reply-To: <16176.13066.601441.179810@wombat.chubb.wattle.id.au> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1093 Lines: 37 Peter Chubb wrote: >>>>>>"Andrew" == Andrew Morton writes: >>>>>> > >Andrew> Martin Konold wrote: > >>>Hi, >>> >>>when using 2.6.0.test1 on a high end laptop (P-IV 2.2 GHz, 1GB RAM) >>>I notice very significant slowdown in interactive usage compared to >>>2.4.21. >>> >>>The difference is most easily seen when switching folders in >>>kmail. While 2.4.21 is instantaneous 2.6.0.test1 shows the clock >>>for about 2-3 seconds. >>> >>> > >I see the same problem, and I'm using XFS. Booting with >elevator=deadline fixed it for me. The anticipatory scheduler hurts >if you have a disc optimised for low power consumption, not speed. > > I don't think this generalisation is really fair. All hard disks have the same basic properties which AS exploits. There seems to be something going wrong though. - 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/