From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757796Ab3BNOIg (ORCPT ); Thu, 14 Feb 2013 09:08:36 -0500 Received: from mga03.intel.com ([143.182.124.21]:54260 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757544Ab3BNOIf (ORCPT ); Thu, 14 Feb 2013 09:08:35 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,665,1355126400"; d="scan'208";a="256947571" Message-ID: <511CEFDD.9080709@intel.com> Date: Thu, 14 Feb 2013 22:08:29 +0800 From: Alex Shi User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120912 Thunderbird/15.0.1 MIME-Version: 1.0 To: Preeti U Murthy CC: Peter Zijlstra , torvalds@linux-foundation.org, mingo@redhat.com, tglx@linutronix.de, akpm@linux-foundation.org, arjan@linux.intel.com, bp@alien8.de, pjt@google.com, namhyung@kernel.org, efault@gmx.de, vincent.guittot@linaro.org, gregkh@linuxfoundation.org, viresh.kumar@linaro.org, linux-kernel@vger.kernel.org Subject: Re: [patch v4 05/18] sched: quicker balancing on fork/exec/wake References: <1358996820-23036-1-git-send-email-alex.shi@intel.com> <1358996820-23036-6-git-send-email-alex.shi@intel.com> <1360664565.4485.13.camel@laptop> <511C9C54.4090508@linux.vnet.ibm.com> In-Reply-To: <511C9C54.4090508@linux.vnet.ibm.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/14/2013 04:12 PM, Preeti U Murthy wrote: > **************************START PATCH************************************* > > sched:Improve balancing for fork/exec/wake tasks Can you test the patch with hackbench and aim7 with 2000 threads? plus the patch in the tip:core/locking tree: 3a15e0e0cdda rwsem: Implement writer lock-stealing for better scalability If it works you may find some improvement. -- Thanks Alex