From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267899AbUHKDKM (ORCPT ); Tue, 10 Aug 2004 23:10:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267905AbUHKDKM (ORCPT ); Tue, 10 Aug 2004 23:10:12 -0400 Received: from mail003.syd.optusnet.com.au ([211.29.132.144]:46309 "EHLO mail003.syd.optusnet.com.au") by vger.kernel.org with ESMTP id S267899AbUHKDKD (ORCPT ); Tue, 10 Aug 2004 23:10:03 -0400 References: <20040811022143.4892.qmail@web13910.mail.yahoo.com> Message-ID: X-Mailer: http://www.courier-mta.org/cone/ From: Con Kolivas To: spaminos-ker@yahoo.com Cc: linux-kernel@vger.kernel.org, William Lee Irwin III Subject: Re: Scheduler fairness problem on 2.6 series (Attn: Nick Piggin and others) Date: Wed, 11 Aug 2004 13:09:55 +1000 Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset="US-ASCII" Content-Disposition: inline Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org spaminos-ker@yahoo.com writes: > --- William Lee Irwin III wrote: >> >> Wakeup bonuses etc. are starving tasks. Could you try Peter Williams' >> SPA patches with the do_promotions() function? I suspect these should >> pass your tests. >> >> >> -- wli >> > > I tried the patch-2.6.7-spa_hydra_FULL-v4.0 patch > > I only changed the value of /proc/sys/kernel/cpusched/mode to switch between > different patches. > > The 2 threads test passes successfuly (improvement over stock 2.6.7) but none > passed the 20 threads test: Hi I tried this on the latest staircase patch (7.I) and am not getting any output from your script when tested up to 60 threads on my hardware. Can you try this version of staircase please? There are 7.I patches against 2.6.8-rc4 and 2.6.8-rc4-mm1 http://ck.kolivas.org/patches/2.6/2.6.8/ Cheers, Con