Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754881AbXFLIgo (ORCPT ); Tue, 12 Jun 2007 04:36:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751287AbXFLIgf (ORCPT ); Tue, 12 Jun 2007 04:36:35 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:40323 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750775AbXFLIge (ORCPT ); Tue, 12 Jun 2007 04:36:34 -0400 Date: Tue, 12 Jun 2007 10:36:20 +0200 From: Ingo Molnar To: Tobias Gerschner Cc: Miguel Figueiredo , linux kernel mailing list , ck@vds.kolivas.org Subject: Re: call for more SD versus CFS comparisons (was: Re: [ck] Mainline plans) Message-ID: <20070612083620.GA10557@elte.hu> References: <466DE921.9030709@debianpt.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.14 (2007-02-12) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.1.7 -2.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1126 Lines: 35 * Tobias Gerschner wrote: > I did run massive_intr.c for 60 secs with increasing nproc ( > 10,20,30,40,50,60) waiting for effects. > > Below a small table of the results > > 2.6.21.1-cfs-v16 > > nproc , usability result > > 10 , serious frame drops , Firefox hardly recognizes clicked links, > but still usable > 20 - 30, usability loss ( somehow under cfs firefox never finished > user requests like displaying web pages or opening new pages , no > feedback anymore, sudden changes on the desktop ) ouch! The expected load-testing result under CFS should be something like this: http://bhhdoa.org.au/pipermail/ck/2007-June/007817.html could you send me the output of /proc/sched_debug? (while say a "massive_intr 20" is running?) Roughly what hardware do you have? (could you send me your lspci -v output and dmesg output?) Ingo - 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/