From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269003AbUHMF1C (ORCPT ); Fri, 13 Aug 2004 01:27:02 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S269004AbUHMF1C (ORCPT ); Fri, 13 Aug 2004 01:27:02 -0400 Received: from mustang.oldcity.dca.net ([216.158.38.3]:41622 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S269003AbUHMF05 (ORCPT ); Fri, 13 Aug 2004 01:26:57 -0400 Subject: Re: [patch] Latency Tracer, voluntary-preempt-2.6.8-rc4-O6 From: Lee Revell To: Ingo Molnar Cc: linux-kernel , Felipe Alfaro Solana , Florian Schmidt In-Reply-To: <20040812235116.GA27838@elte.hu> References: <20040726082330.GA22764@elte.hu> <1090830574.6936.96.camel@mindpipe> <20040726083537.GA24948@elte.hu> <1090832436.6936.105.camel@mindpipe> <20040726124059.GA14005@elte.hu> <20040726204720.GA26561@elte.hu> <20040729222657.GA10449@elte.hu> <20040801193043.GA20277@elte.hu> <20040809104649.GA13299@elte.hu> <20040810132654.GA28915@elte.hu> <20040812235116.GA27838@elte.hu> Content-Type: text/plain Message-Id: <1092374851.3450.13.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Fri, 13 Aug 2004 01:27:31 -0400 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2004-08-12 at 19:51, Ingo Molnar wrote: > i've uploaded the latest version of the voluntary-preempt patch: > > http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.8-rc4-O6 My results with -O6 confirm Florian's results that when xrun_debug is off, mlockall() does not produce a long non-preemptible section at all, but does cause xruns in jackd. I have no idea how this is possible. Lee