Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753954AbZIGPru (ORCPT ); Mon, 7 Sep 2009 11:47:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753824AbZIGPru (ORCPT ); Mon, 7 Sep 2009 11:47:50 -0400 Received: from cpsmtpm-eml105.kpnxchange.com ([195.121.3.9]:56451 "EHLO CPSMTPM-EML105.kpnxchange.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753758AbZIGPrt (ORCPT ); Mon, 7 Sep 2009 11:47:49 -0400 From: Frans Pop To: Arjan van de Ven Subject: Re: [quad core results] BFS vs. mainline scheduler benchmarks and measurements Date: Mon, 7 Sep 2009 17:47:48 +0200 User-Agent: KMail/1.9.9 Cc: Markus Tornqvist , Ingo Molnar , kernel@kolivas.org, linux-kernel@vger.kernel.org, a.p.zijlstra@chello.nl, efault@gmx.de References: <20090907121613.GA32097@elte.hu> <200909071720.36428.elendil@planet.nl> <20090907083642.5e2b575c@infradead.org> In-Reply-To: <20090907083642.5e2b575c@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200909071747.50825.elendil@planet.nl> X-OriginalArrivalTime: 07 Sep 2009 15:47:51.0354 (UTC) FILETIME=[8E7AF1A0:01CA2FD2] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 850 Lines: 20 On Monday 07 September 2009, Arjan van de Ven wrote: > it's a shameless plug since I wrote it, but latencytop will be able to > tell you what your bottleneck is... > and that is very interesting to know, regardless of the "what scheduler > code" discussion; I'm very much aware of that and I've tried pinning it down a few times, but failed to come up with anything conclusive. I plan to make a new effort in this context as the freezes have increasingly been annoying me. Unfortunately latencytop only shows a blank screen when used with BFS, but I guess that's not totally unexpected. Cheers, FJP -- 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/