Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1163363AbWLGVHu (ORCPT ); Thu, 7 Dec 2006 16:07:50 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1163361AbWLGVHu (ORCPT ); Thu, 7 Dec 2006 16:07:50 -0500 Received: from smtp2.Stanford.EDU ([171.67.20.25]:59078 "EHLO smtp2.stanford.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1163359AbWLGVHr (ORCPT ); Thu, 7 Dec 2006 16:07:47 -0500 Subject: Re: v2.6.19-rt6, yum/rpm From: Fernando Lopez-Lezcano To: Ingo Molnar Cc: nando@ccrma.Stanford.EDU, linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org, Mike Galbraith , Clark Williams , Sergei Shtylyov , Thomas Gleixner , Giandomenico De Tullio In-Reply-To: <20061207205819.GA21953@elte.hu> References: <20061205171114.GA25926@elte.hu> <1165524358.9244.33.camel@cmn3.stanford.edu> <20061207205819.GA21953@elte.hu> Content-Type: text/plain Date: Thu, 07 Dec 2006 13:07:45 -0800 Message-Id: <1165525665.9244.39.camel@cmn3.stanford.edu> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-4.fc4) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1210 Lines: 28 On Thu, 2006-12-07 at 21:58 +0100, Ingo Molnar wrote: > * Fernando Lopez-Lezcano wrote: > > > Much better performance in terms of xruns with Jackd. Hardly any at > > all as it should be. I'm starting to test -rt8 right now. > > > > Now, I still don't have an smp machine to test so the improvement > > could be because I'm just running 64 bit up instead of smp. Or it > > could have been the hardware on that other machine that had some > > problem (either because it was starting to fail or because the kernel > > drivers for that hardware were somehow triggering the xruns). > > i think it's the UP vs. SMP difference. We are chasing some SMP > latencies right now that trigger on boxes that have deeper C sleep > states. idle=poll seems to work around those problems. Oh well, it looked too good, anyway, it is winter here so the extra heating should be fine :-) I'll try to get something to test smp again... -- Fernando - 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/