From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S272731AbTHEMwM (ORCPT ); Tue, 5 Aug 2003 08:52:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S272734AbTHEMwL (ORCPT ); Tue, 5 Aug 2003 08:52:11 -0400 Received: from relay.uni-heidelberg.de ([129.206.100.212]:9663 "EHLO relay.uni-heidelberg.de") by vger.kernel.org with ESMTP id S272731AbTHEMwF convert rfc822-to-8bit (ORCPT ); Tue, 5 Aug 2003 08:52:05 -0400 From: Bernd Schubert To: linux-kernel@vger.kernel.org Subject: Re: Interactive Usage of 2.6.0.test1 worse than 2.4.21 Date: Tue, 5 Aug 2003 14:52:02 +0200 User-Agent: KMail/1.5.3 References: <200308050704.22684.martin.konold@erfrakon.de> In-Reply-To: <200308050704.22684.martin.konold@erfrakon.de> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT Content-Disposition: inline Message-Id: <200308051452.02417.bernd-schubert@web.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday 05 August 2003 07:04, 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 am using maildir folders on reiserfs. > > Can anyone verify this behaviour? > Yes, I can definitely verify this, its not only related to kde/kmail, all other application are affected as well. Btw, I already upgraded to 2.6.0-test2. Also, the slowdown seems to be related to hd-accessing/caching. My root-fs hd makes rather loud noises on accessing it -- with 2.6.0-testX the frequency of disk-accessing and so also the noise-level has dramatically increased compared to 2.4.x So following the advices, I will try bk4 and mm4 and also will do the >CPU profiles, e.g. >readprofile -n -m /boot/System.map-`uname -r` | sort -rn -k 1,1 | head -25 >Also logs of vmstat 1. stuff. Regards, Bernd -- Bernd Schubert Physikalisch Chemisches Institut / Theoretische Chemie Universität Heidelberg INF 229 69120 Heidelberg e-mail: bernd.schubert@pci.uni-heidelberg.de