From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267556AbUH2Bbm (ORCPT ); Sat, 28 Aug 2004 21:31:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268158AbUH2Bbl (ORCPT ); Sat, 28 Aug 2004 21:31:41 -0400 Received: from gizmo01ps.bigpond.com ([144.140.71.11]:7902 "HELO gizmo01ps.bigpond.com") by vger.kernel.org with SMTP id S267556AbUH2BbM (ORCPT ); Sat, 28 Aug 2004 21:31:12 -0400 Message-ID: <413131DD.4060604@bigpond.net.au> Date: Sun, 29 Aug 2004 11:31:09 +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: Lee Revell , linux-kernel Subject: Re: Scheduler fairness problem on 2.6 series (Attn: Nick Piggin and others) References: <20040829011936.39122.qmail@web13907.mail.yahoo.com> <1093742542.7078.18.camel@krustophenia.net> In-Reply-To: <1093742542.7078.18.camel@krustophenia.net> 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 Lee Revell wrote: > On Sat, 2004-08-28 at 21:19, spaminos-ker@yahoo.com wrote: > >>--- Lee Revell wrote: >> >>>Is this an SMP machine? There were problems with that version of the >>>voluntary preemption patches on SMP. The latest version, Q3, should fix >>>these. >>> >> >>No, it's a single CPU Athlon 1800+, the kernel is compiled in with support for >>SMP system, but that should not have any impact. >> > > > I believe people were also having problems running SMP kernels with the > VP patches on UP. Try the latest version. Q3 as of this writing. Nicolas, I'll generate a combined patch and let you know when it's ready. In the mean time, could you try increasing the "base_promotion_interval" to about twice the time slice size? Peter -- Peter Williams pwil3058@bigpond.net.au "Learning, n. The kind of ignorance distinguishing the studious." -- Ambrose Bierce