Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932466AbZKDUhg (ORCPT ); Wed, 4 Nov 2009 15:37:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932356AbZKDUhg (ORCPT ); Wed, 4 Nov 2009 15:37:36 -0500 Received: from mail.gmx.net ([213.165.64.20]:60413 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S932297AbZKDUhf (ORCPT ); Wed, 4 Nov 2009 15:37:35 -0500 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX19sXGVm/vtsGHL9suScv1u/lFrSmtY2Y2H3Wdys15 AsRMtoK9DNTugH Subject: Re: [tip:sched/core] sched: Check for an idle shared cache in select_task_rq_fair() From: Mike Galbraith To: arjan@infradead.org, mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org, stable@kernel.org, peterz@infradead.org, tglx@linutronix.de, mingo@elte.hu Cc: linux-tip-commits@vger.kernel.org In-Reply-To: References: <1256654138.17752.7.camel@marge.simson.net> Content-Type: text/plain Date: Wed, 04 Nov 2009 21:37:15 +0100 Message-Id: <1257367035.9923.3.camel@marge.simson.net> Mime-Version: 1.0 X-Mailer: Evolution 2.24.1.1 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 X-FuHaFi: 0.59 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2496 Lines: 42 On Wed, 2009-11-04 at 19:33 +0000, tip-bot for Mike Galbraith wrote: > Commit-ID: a1f84a3ab8e002159498814eaa7e48c33752b04b > Gitweb: http://git.kernel.org/tip/a1f84a3ab8e002159498814eaa7e48c33752b04b > Author: Mike Galbraith > AuthorDate: Tue, 27 Oct 2009 15:35:38 +0100 > Committer: Ingo Molnar > CommitDate: Wed, 4 Nov 2009 18:46:22 +0100 > > sched: Check for an idle shared cache in select_task_rq_fair() > > When waking affine, check for an idle shared cache, and if > found, wake to that CPU/sibling instead of the waker's CPU. This one still wants some work. It's not playing well with 1b9508f. tip v2.6.32-rc6-1731-gc5bb4b1 mysql+oltp clients 1 2 4 8 16 32 64 128 256 tip 10447.14 19734.58 36038.18 35776.85 34662.76 33682.30 32256.22 28770.99 25323.23 10462.61 19580.14 36050.48 35942.63 35054.84 33988.40 32423.89 29259.65 25892.24 10501.02 19231.27 36007.03 35985.32 35060.79 33945.47 32400.42 29140.84 25716.16 tip avg 10470.25 19515.33 36031.89 35901.60 34926.13 33872.05 32360.17 29057.16 25643.87 tip v2.6.32-rc6-1731-gc5bb4b1 + 1b9508f (Rate-limit newidle) tip+ 10095.64 19989.67 36449.85 35923.98 35024.24 34026.61 32411.75 28965.77 27287.96 10764.98 19864.03 36632.78 36338.00 35610.52 34439.88 32942.57 29889.18 27426.12 10734.48 19572.63 36507.90 36236.36 35486.51 34443.86 32938.90 30136.39 27186.61 tip+ avg 10531.70 19808.77 36530.17 36166.11 35373.75 34303.45 32764.40 29663.78 27300.23 1.005 1.015 1.013 1.007 1.012 1.012 1.012 1.020 1.064 v2.6.32-rc6-1796-gd995f1d (a1f84a3 not playing well with 1b9508f) 10578.44 19358.96 36184.70 35549.19 34625.40 33658.72 31947.51 27504.11 20400.97 10610.76 19748.84 36401.08 36021.75 34830.67 33566.52 31989.97 27622.25 21348.00 10568.87 19600.60 36190.48 35959.96 34805.45 33641.46 32005.30 27591.48 22509.01 -- 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/