Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 7 Jul 2002 15:05:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 7 Jul 2002 15:05:19 -0400 Received: from quechua.inka.de ([212.227.14.2]:49750 "EHLO mail.inka.de") by vger.kernel.org with ESMTP id ; Sun, 7 Jul 2002 15:05:18 -0400 From: Bernd Eckenfels To: linux-kernel@vger.kernel.org Subject: Re: [announce] [patch] batch/idle priority scheduling, SCHED_BATCH In-Reply-To: <20020707124613.GE30476@unthought.net> X-Newsgroups: ka.lists.linux.kernel User-Agent: tin/1.5.8-20010221 ("Blue Water") (UNIX) (Linux/2.0.39 (i686)) Message-Id: Date: Sun, 7 Jul 2002 21:07:58 +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 878 Lines: 20 In article <20020707124613.GE30476@unthought.net> you wrote: > Idle-time is what you pay for but do not get ;) Having CPU hogs > running is a nice way of getting the last penny out of the investment, > but I have many boxes where I don't do it, simply because it would > render the load statistics useless. And of course it needs a bit more power and produces much more temperature (and therefore noise). BTW: even an batch prio will load the system more than an idle process. The cache is dirty, the disk has a longer work queue, RSS is used up by that programs. So for a slow system you have to expect impact. Greetings Bernd - 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/