Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757346Ab1DOVqP (ORCPT ); Fri, 15 Apr 2011 17:46:15 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50747 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757160Ab1DOVqO (ORCPT ); Fri, 15 Apr 2011 17:46:14 -0400 Message-ID: <4DA8BC96.6090804@redhat.com> Date: Fri, 15 Apr 2011 17:45:58 -0400 From: Rik van Riel User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.15) Gecko/20110307 Fedora/3.1.9-0.38.b3pre.fc13 Lightning/1.0b3pre Thunderbird/3.1.9 MIME-Version: 1.0 To: Venkatesh Pallipadi CC: Peter Zijlstra , Ingo Molnar , linux-kernel@vger.kernel.org, Paul Turner , Mike Galbraith Subject: Re: [PATCH 2/2] sched: next buddy hint on sleep and preempt path -v2 References: <1302778202.2035.23.camel@laptop> <1302802253-25760-1-git-send-email-venki@google.com> In-Reply-To: <1302802253-25760-1-git-send-email-venki@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 712 Lines: 21 On 04/14/2011 01:30 PM, Venkatesh Pallipadi wrote: > A simple (may be extreme case) benchmark I tried was tbench with 2 tbench > client processes with 2 threads each running on a single CPU. Avg throughput > across 5 50 sec runs was - > BEFORE: 105.84 MB/sec > AFTER: 112.42 MB/sec > > Signed-off-by: Venkatesh Pallipadi Those performance numbers and the general idea sure get my Acked-by: Rik van Riel -- All rights reversed -- 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/