From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756828Ab3AOI0V (ORCPT ); Tue, 15 Jan 2013 03:26:21 -0500 Received: from e23smtp02.au.ibm.com ([202.81.31.144]:53094 "EHLO e23smtp02.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756038Ab3AOI0U (ORCPT ); Tue, 15 Jan 2013 03:26:20 -0500 Message-ID: <50F5129C.5030906@linux.vnet.ibm.com> Date: Tue, 15 Jan 2013 16:26:04 +0800 From: Michael Wang User-Agent: Mozilla/5.0 (X11; Linux i686; rv:16.0) Gecko/20121011 Thunderbird/16.0.1 MIME-Version: 1.0 To: Mike Galbraith CC: linux-kernel@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, mingo@kernel.org, a.p.zijlstra@chello.nl Subject: Re: [RFC PATCH 0/2] sched: simplify the select_task_rq_fair() References: <1356588535-23251-1-git-send-email-wangyun@linux.vnet.ibm.com> <50ED384C.1030301@linux.vnet.ibm.com> <1357977704.6796.47.camel@marge.simpson.net> <1357985943.6796.55.camel@marge.simpson.net> <1358155290.5631.19.camel@marge.simpson.net> <50F4C8AB.6050902@linux.vnet.ibm.com> <1358225532.25910.37.camel@marge.simpson.net> In-Reply-To: <1358225532.25910.37.camel@marge.simpson.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13011508-5490-0000-0000-000002CF1F70 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/15/2013 12:52 PM, Mike Galbraith wrote: > On Tue, 2013-01-15 at 11:10 +0800, Michael Wang wrote: >> hanks for the testing, could you please tell me which benchmark >> generate these results? > > aim7, using the compute workfile, and a datapoints file containing > $Tasks. multitask -nl -f will prompt for the datapoints file. You'll > have to bump /proc/sys/kernel/sem if it's left at default by your > distro. If you want, I can send you a tarball offline. > >> I will try to re-base the patch into 3.8-rc3 with consideration of NUMA >> domain, I suppose it could fix the below BUG and provide a better results. > > I don't _think_ you'll fix the sweet spot without setting knobs such > that last_buddy can do its thing, but go for it ;-) Hmm... I'm a little confusing, let's discuss on the next version if issues are still there :) Regards, Michael Wang > > -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/ >