Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762890AbYBZQ4b (ORCPT ); Tue, 26 Feb 2008 11:56:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754080AbYBZQ4X (ORCPT ); Tue, 26 Feb 2008 11:56:23 -0500 Received: from ms-smtp-03.nyroc.rr.com ([24.24.2.57]:43898 "EHLO ms-smtp-03.nyroc.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753895AbYBZQ4W (ORCPT ); Tue, 26 Feb 2008 11:56:22 -0500 Date: Tue, 26 Feb 2008 11:55:58 -0500 (EST) From: Steven Rostedt X-X-Sender: rostedt@gandalf.stny.rr.com To: Jan Kiszka cc: LKML , RT , Ingo Molnar , Thomas Gleixner Subject: Re: 2.6.24.2-rt2 In-Reply-To: <47C43289.80506@siemens.com> Message-ID: References: <1203639849.7551.4.camel@localhost.localdomain> <47C3EA1F.3030203@siemens.com> <47C3FF82.6060900@siemens.com> <47C43289.80506@siemens.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1027 Lines: 33 On Tue, 26 Feb 2008, Jan Kiszka wrote: > >> > > > > What's the NUMA topology? > > 4 nodes. I'm not sure if it is really NUMA related, but the same kernel > runs that test as expected on a non-NUMA 2x2 box. > > > What tasks are running, and at what priorities? > > 40 pthreads, created with default parameters from a main thread which > runs with default parameters as well. The threads simply run endless loops. > > > > > Those three idle CPUS, should they have tasks running on them? > > For sure, given the overload situation of the system (40x full load vs. > 16 cores). Neither did we fiddle with any parameter of the system > (knowingly, its a standard openSUSE 10.3 underneath) nor did we set > thread affinities. > Do you get different behaviour with 2.6.24.2? -- Steve -- 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/