Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261408AbUJZR4x (ORCPT ); Tue, 26 Oct 2004 13:56:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261378AbUJZR4k (ORCPT ); Tue, 26 Oct 2004 13:56:40 -0400 Received: from viper.oldcity.dca.net ([216.158.38.4]:32205 "HELO viper.oldcity.dca.net") by vger.kernel.org with SMTP id S261364AbUJZRzm (ORCPT ); Tue, 26 Oct 2004 13:55:42 -0400 Subject: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0 From: Lee Revell To: Fernando Pablo Lopez-Lezcano Cc: Rui Nuno Capela , Ingo Molnar , Florian Schmidt , "K.R. Foley" , linux-kernel@vger.kernel.org, mark_h_johnson@raytheon.com, Bill Huey , Adam Heath , Thomas Gleixner , Michal Schmidt , Alexander Batyrshin In-Reply-To: <1098812749.5615.15.camel@cmn37.stanford.edu> References: <20041022155048.GA16240@elte.hu> <20041022175633.GA1864@elte.hu> <20041025104023.GA1960@elte.hu> <417CDE90.6040201@cybsft.com> <20041025111046.GA3630@elte.hu> <20041025121210.GA6555@elte.hu> <20041025152458.3e62120a@mango.fruits.de> <20041025132605.GA9516@elte.hu> <20041025160330.394e9071@mango.fruits.de> <20041025141008.GA13512@elte.hu> <20041025141628.GA14282@elte.hu> <33313.192.168.1.5.1098733224.squirrel@192.168.1.5> <1098759671.9166.10.camel@krustophenia.net> <1098767513.2926.3.camel@cmn37.stanford.edu> <1098811515.10048.5.camel@krustophenia.net> <1098812749.5615.15.camel@cmn37.stanford.edu> Content-Type: text/plain Date: Tue, 26 Oct 2004 13:55:41 -0400 Message-Id: <1098813341.10048.24.camel@krustophenia.net> Mime-Version: 1.0 X-Mailer: Evolution 2.0.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 824 Lines: 22 On Tue, 2004-10-26 at 10:45 -0700, Fernando Pablo Lopez-Lezcano wrote: > > AFAIK there is nothing you can do - any other irq that fires on 9 will > > mask out all the others until it completes. > > Yes, except I did not see all these xruns running 2.4.26 + lowlat + > preempt (same machine). Things got better with 2.6.x up to, perhaps, S7, > although I would have to retest to make sure. Now they seem to be worse > than before. Hmm, interesting. Anyway T3 is the last version that was stable for me, this is the xrun-free standard that I compare the later ones to. Lee - 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/