From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1766932AbXDSSVK (ORCPT ); Thu, 19 Apr 2007 14:21:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1766931AbXDSSVK (ORCPT ); Thu, 19 Apr 2007 14:21:10 -0400 Received: from wx-out-0506.google.com ([66.249.82.239]:46566 "EHLO wx-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1766934AbXDSSVI (ORCPT ); Thu, 19 Apr 2007 14:21:08 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:from:organization:to:subject:date:user-agent:cc:references:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:message-id; b=eM4rmTg+dwAppiNuHT4SrlEqWXcZzq6T4lZfPTAZwT3eTrqUP2TPkN1iDDK+OWubBoBpMEmuRrTFanxysaLL1NzRZRWxTJ0gX4rFJHl2h6FrHxwfO7cRRzGCWD+/cm/6jMhazUc/RCMzJYxtEQR9DD0tvN9vVYFwTnB4M8ReCcQ= From: Gene Heskett Organization: Organization? very little To: Mark Lord Subject: Re: Renice X for cpu schedulers Date: Thu, 19 Apr 2007 14:21:03 -0400 User-Agent: KMail/1.9.6 Cc: Con Kolivas , Ingo Molnar , Andrew Morton , Nick Piggin , Linus Torvalds , Matt Mackall , William Lee Irwin III , Peter Williams , Mike Galbraith , ck list , Bill Huey , linux-kernel@vger.kernel.org, Arjan van de Ven , Thomas Gleixner References: <20070417062621.GL2986@holomorphy.com> <200704200110.47974.kernel@kolivas.org> <46279585.4010409@rtr.ca> In-Reply-To: <46279585.4010409@rtr.ca> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200704191421.04367.gene.heskett@gmail.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thursday 19 April 2007, Mark Lord wrote: >Con Kolivas wrote: >> On Thursday 19 April 2007 23:17, Mark Lord wrote: >>> Con Kolivas wrote: >>> s go ahead and think up great ideas for other ways of metering out cpu >>> >>>> bandwidth for different purposes, but for X, given the absurd simplicity >>>> of renicing, why keep fighting it? Again I reiterate that most users of >>>> SD have not found the need to renice X anyway except if they stick to >>>> old habits of make -j4 on uniprocessor and the like, and I expect that >>>> those on CFS and Nicksched would also have similar experiences. >>> >>> Just plain "make" (no -j2 or -j9999) is enough to kill interactivity >>> on my 2GHz P-M single-core non-HT machine with SD. >>> >>> But with the very first posted version of CFS by Ingo, >>> I can do "make -j2" no problem and still have a nicely interactive >>> destop. >> >> Cool. Then there's clearly a bug with SD that manifests on your machine as >> it should not have that effect at all (and doesn't on other people's >> machines). I suggest trying the latest version which fixes some bugs. > >SD just doesn't do nearly as good as the stock scheduler, or CFS, here. I found the early SD's much friendlier here, but I also think that at that point I was comparing SD to stock 2.6.21-rc5 and 6, and to say that it sucked would be a slight understatement. >I'm quite likely one of the few single-CPU/non-HT testers of this stuff. >If it should ever get more widely used I think we'd hear a lot more > complaints. I'm in that row of seats too Mark. Someday I have to build a new box, that's all there is to it... -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Lots of folks confuse bad management with destiny. -- Frank Hubbard