From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932700AbXDWXrw (ORCPT ); Mon, 23 Apr 2007 19:47:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932753AbXDWXrw (ORCPT ); Mon, 23 Apr 2007 19:47:52 -0400 Received: from aeimail.aei.ca ([206.123.6.84]:52795 "EHLO aeimail.aei.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932700AbXDWXrv (ORCPT ); Mon, 23 Apr 2007 19:47:51 -0400 From: Ed Tomlinson To: davidsen@posidon.tmr.com Subject: Re: [REPORT] First "glitch1" results, 2.6.21-rc7-git6-CFSv5 + SD 0.46 Date: Mon, 23 Apr 2007 19:49:05 -0400 User-Agent: KMail/1.9.5 Cc: "Kolivas, Con" , "Molnar, Ingo" , Linux Kernel M/L References: <462D2BDD.4040406@tmr.com> <200704231945.25613.edt@aei.ca> In-Reply-To: <200704231945.25613.edt@aei.ca> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-6" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200704231949.06108.edt@aei.ca> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Monday 23 April 2007 19:45, Ed Tomlinson wrote: > On Monday 23 April 2007 17:57, Bill Davidsen wrote: > > I am not sure a binary attachment will go thru, I will move to the web > > ste if not. > > I did a quick try of this script here. > > With SD 0.46 with X at nice 0 I was getting 1-2 frames per second. I decided to try cfs v5. > The option disable auto renicing did not work so many threads other than X are now at -19... > > SD 0.46 1-2 FPS > cfs v5 nice -19 219-233 FPS > cfs v5 nice 0 1000-1996 cfs v5 nice -10 60-65 FPS > > Looks like, in this case, nice -19 for X is NOT a good idea. > > Kernel is 2.6.20.7 (gentoo) UP amd64 with HZ 300 voluntary prempt (a fully premptable kernel eventually > locks up switching between 32 and 64 apps) Thanks Ed