Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750743AbWEQRV4 (ORCPT ); Wed, 17 May 2006 13:21:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750748AbWEQRVz (ORCPT ); Wed, 17 May 2006 13:21:55 -0400 Received: from nz-out-0102.google.com ([64.233.162.204]:4432 "EHLO nz-out-0102.google.com") by vger.kernel.org with ESMTP id S1750743AbWEQRVz convert rfc822-to-8bit (ORCPT ); Wed, 17 May 2006 13:21:55 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=qbnXdSx7AMqMi0OEAwIc1oFpKNkimAh1QPoPEyizQj2bkQPDNoDDd0xQ5BmZVA4pW4gBr5XaMtaLC9OgYE5lb0WDWVZqupLWDo7RQ/RXVacWakTDbXciqJAsg2j4HeraDDIWoRuXUxyoW2sL1jKfQDNVhNyww9/80DxyIMkpejY= Message-ID: <2c0942db0605171021n1ebcb8adhcd552d33283ab0@mail.gmail.com> Date: Wed, 17 May 2006 10:21:54 -0700 From: "Ray Lee" Reply-To: ray-gmail@madrabbit.org To: "Con Kolivas" Subject: Re: Regression seen for patch "sched:dont decrease idle sleep avg" Cc: "Mike Galbraith" , linux-kernel@vger.kernel.org, tim.c.chen@linux.intel.com, "Chen, Kenneth W" , mingo@elte.hu, "Andrew Morton" In-Reply-To: <200605180110.22270.kernel@kolivas.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7BIT Content-Disposition: inline References: <4t16i2$12rqnu@orsmga001.jf.intel.com> <200605172246.39444.kernel@kolivas.org> <1147873294.7596.13.camel@homer> <200605180110.22270.kernel@kolivas.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 954 Lines: 21 On 5/17/06, Con Kolivas wrote: > > Ok, I'll accept that. Spits and stutters _are_ interactivity issues > > though yes?. Knowing full well that plunking long sleepers into the > > queue you are plunking them into causes spits and stutters, why do you > > insist on doing so? > > Because I know of no real world workload that thuds us into spits and > stutters. `apt-get dist-upgrade` seems to do wonders for making a system thoroughly unusable. Possibly because it forks a copy of perl and a few other tasks, all competing for CPU and disk I/O bandwidth -- at least, competing when they're not sleeping most of the time. Y'all might add a chroot'd install of Debian as a test case. Ray - 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/