From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 25 Feb 2003 16:14:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 25 Feb 2003 16:14:40 -0500 Received: from home.alltec.com ([66.46.63.194]:62961 "EHLO localhost.localdomain") by vger.kernel.org with ESMTP id ; Tue, 25 Feb 2003 16:13:15 -0500 Message-ID: <3E5BDECD.40502@alltec.com> Date: Tue, 25 Feb 2003 16:23:25 -0500 From: Mike Sullivan User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.1) Gecko/20020823 Netscape/7.0 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Mark Hahn CC: linux-kernel Subject: Re: Scheduling with Hyperthreading References: 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 I have tried RH 2.4.18 stock redhat kernels and and 2.4.20 kernels. Both seem to do badly. Is there somewhere to look to see a history of the schedular work, or do I need to puruse all of the changelogs to get an idea of what kernel I should be trying. Regards Mike Mark Hahn wrote: >>I would to a quick snap with top, and when I saw 99.9% I assumed the the >>process had >>been there during the time top was starting up. >> >>Looking at /proc/(pid)/cpu, shows that with two jobs running they are >>sticking to cpu 0 and 1 >>which are siblings >> >> > >ah, sorry if you said this, but which kernel are you running? >you need a HT-aware scheduler, for sure. does your problem go away >if you boot with noht? > > -- ---------------------------------------------------------------------- Mike Sullivan Director Performance Computing @lliance Technologies, Voice: (416) 385-3255, 18 Wynford Dr, Suite 407 Fax: (416) 385-1774 Toronto, ON, Canada, M3C-3S2 Toll Free:1-877-216-3199 http://www.alltec.com