Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759680AbZACLW4 (ORCPT ); Sat, 3 Jan 2009 06:22:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753914AbZACLWr (ORCPT ); Sat, 3 Jan 2009 06:22:47 -0500 Received: from mail.gmx.net ([213.165.64.20]:53291 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752982AbZACLWr (ORCPT ); Sat, 3 Jan 2009 06:22:47 -0500 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX1+QNPlFM8eQ5LTbTh0PVZs7QWKMvs80yTJVHTKqPL 26oWnW8fd55Aan Subject: Re: [PATCH v7 0/8] Tunable sched_mc_power_savings=n From: Mike Galbraith To: svaidy@linux.vnet.ibm.com Cc: Ingo Molnar , Balbir Singh , linux-kernel@vger.kernel.org, Peter Zijlstra , Andrew Morton In-Reply-To: <20090103101626.GA4301@dirshya.in.ibm.com> References: <20081218175313.29812.4781.stgit@drishya.in.ibm.com> <28c262360812291543ia322a13g6af854a685ce7632@mail.gmail.com> <20081230024819.GA23301@balbir.in.ibm.com> <20081230062139.GA30038@elte.hu> <20081230180722.GA29060@dirshya.in.ibm.com> <20090102072600.GA13412@dirshya.in.ibm.com> <20090102221630.GF17240@elte.hu> <1230967765.5257.6.camel@marge.simson.net> <20090103101626.GA4301@dirshya.in.ibm.com> Content-Type: text/plain Date: Sat, 03 Jan 2009 12:22:41 +0100 Message-Id: <1230981761.27180.10.camel@marge.simson.net> Mime-Version: 1.0 X-Mailer: Evolution 2.22.1.1 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 X-FuHaFi: 0.6 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1093 Lines: 28 On Sat, 2009-01-03 at 15:46 +0530, Vaidyanathan Srinivasan wrote: > * Mike Galbraith [2009-01-03 08:29:25]: > > > On Fri, 2009-01-02 at 23:16 +0100, Ingo Molnar wrote: > > > > > Mike, would you be interesting in having a look at sched_mc=2 as a > > > kernel-wide default - and give it your blessing if you find it to be a net > > > improvement for the various performance and interactivity tests you do? > > > > Sure. > > Thanks Mike and Ingo. I will be glad to help with test and benchmarks > on the platforms that I have access. > > I am presently working on sysbench. The testing I can do is rather severely limited since I have only one Q6600. I butchered mc_capable() to use what I can though, ie see if SD_BALANCE_NEWIDLE still harms tbench and mysql+oltp. I think that's about all I can do on my wee box. -Mike -- 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/