Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261998AbUKJO2l (ORCPT ); Wed, 10 Nov 2004 09:28:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261978AbUKJO0b (ORCPT ); Wed, 10 Nov 2004 09:26:31 -0500 Received: from mx2.elte.hu ([157.181.151.9]:4575 "EHLO mx2.elte.hu") by vger.kernel.org with ESMTP id S261975AbUKJOXH (ORCPT ); Wed, 10 Nov 2004 09:23:07 -0500 Date: Wed, 10 Nov 2004 16:25:09 +0100 From: Ingo Molnar To: Mark_H_Johnson@raytheon.com Cc: Amit Shah , Karsten Wiese , Bill Huey , Adam Heath , emann@mrv.com, Gunther Persoons , "K.R. Foley" , linux-kernel@vger.kernel.org, Florian Schmidt , Fernando Pablo Lopez-Lezcano , Lee Revell , Rui Nuno Capela , Shane Shrybman , Thomas Gleixner , Michal Schmidt Subject: Re: [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.23 Message-ID: <20041110152509.GA9875@elte.hu> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i X-ELTE-SpamVersion: MailScanner 4.31.6-itk1 (ELTE 1.2) SpamAssassin 2.63 ClamAV 0.73 X-ELTE-VirusStatus: clean X-ELTE-SpamCheck: no X-ELTE-SpamCheck-Details: score=-2.201, required 5.9, BAYES_00 -4.90, SORTED_RECIPS 2.70 X-ELTE-SpamLevel: X-ELTE-SpamScore: -2 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 836 Lines: 20 * Mark_H_Johnson@raytheon.com wrote: > >- everything else should be SCHED_OTHER. Do latencies get any better if > >you do this? > I can, but that is not necessarily an "apples to apples" comparison. the goal now would be to simplify the test and work down the issues in isolation, instead of looking at a complex setup of mixed workloads and just seeing 'it sucks' without knowing which component causes what. That's why e.g. rtc_wakeup is so useful - it's simple and dependable and still it showed a good deal of problems and helped debug/fix them. Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/