From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267868AbUHZInK (ORCPT ); Thu, 26 Aug 2004 04:43:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268019AbUHZIkW (ORCPT ); Thu, 26 Aug 2004 04:40:22 -0400 Received: from gizmo06bw.bigpond.com ([144.140.70.41]:52200 "HELO gizmo06bw.bigpond.com") by vger.kernel.org with SMTP id S267971AbUHZIjf (ORCPT ); Thu, 26 Aug 2004 04:39:35 -0400 Message-ID: <412DA1C3.6020505@bigpond.net.au> Date: Thu, 26 Aug 2004 18:39:31 +1000 From: Peter Williams User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 X-Accept-Language: en-us, en MIME-Version: 1.0 To: spaminos-ker@yahoo.com CC: linux-kernel@vger.kernel.org Subject: Re: Scheduler fairness problem on 2.6 series (Attn: Nick Piggin and others) References: <20040826023028.39690.qmail@web13926.mail.yahoo.com> <412D4E01.7000504@bigpond.net.au> In-Reply-To: <412D4E01.7000504@bigpond.net.au> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Peter Williams wrote: > spaminos-ker@yahoo.com wrote: > >> --- Peter Williams wrote: >> >>> You could try Lee Revell's (rlrevell@joe-job.com) latency measuring >>> patches and also try applying Ingo Molnar's (mingo@elte.hu) >>> voluntary-preempt patches. >>> >>> Peter >> >> >> >> I tried 2.6.8.1 with voluntary-preempt-2.6.8.1-P9 and I am getting >> latency >> messages, they trigger at around the same time I get "delta = 3" >> messages. >> >> I guess that there is no way to have the latency reporting work with >> the zaphod >> patch? > > > I'll see what I can do and let you know. A (gzipped) combined ZAPHOD and P9 voluntary preempt patch for 2.6.8.1 is available at: This patch has had minimal testing so use with care and please let me know if there are any problems. Peter -- Peter Williams pwil3058@bigpond.net.au "Learning, n. The kind of ignorance distinguishing the studious." -- Ambrose Bierce