From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757044AbZEDVBr (ORCPT ); Mon, 4 May 2009 17:01:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754646AbZEDVBh (ORCPT ); Mon, 4 May 2009 17:01:37 -0400 Received: from zrtps0kp.nortel.com ([47.140.192.56]:37030 "EHLO zrtps0kp.nortel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754068AbZEDVBh (ORCPT ); Mon, 4 May 2009 17:01:37 -0400 Message-ID: <49FF57AC.7070104@nortel.com> Date: Mon, 04 May 2009 15:01:32 -0600 From: "Chris Friesen" User-Agent: Thunderbird 2.0.0.21 (X11/20090302) MIME-Version: 1.0 To: =?ISO-8859-1?Q?Nico_Sch=FCmann?= CC: linux-kernel@vger.kernel.org, Mike Galbraith Subject: Re: CFS not suitable for desktop computers References: <49FDEFD1.8020608@nico22.de> <1241424835.26855.102.camel@marge.simson.net> <49FF06D0.80109@nico22.de> In-Reply-To: <49FF06D0.80109@nico22.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-OriginalArrivalTime: 04 May 2009 21:01:33.0730 (UTC) FILETIME=[81711820:01C9CCFB] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Nico Schümann wrote: > Thank you Ray Lee and Mike Galbraith for your responses, I ran the > script and attached its gathered information. > > Mike Galbraith wrote: >> How hard is hard? Can you describe the loads you're having trouble >> with, and the hardware you're running them on? >> >> > I could reproduce "hard" load by just compiling the linux kernel, make > -j3 while reading mails with Thunderbird, which is not that hard > foreground load. Thunderbird starts reacting really slowly while compiling. I wonder if this could be related to I/O rather than the task scheduler proper. Chris