From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752918Ab2A0Eml (ORCPT ); Thu, 26 Jan 2012 23:42:41 -0500 Received: from mail-pz0-f46.google.com ([209.85.210.46]:55012 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752610Ab2A0Em2 (ORCPT ); Thu, 26 Jan 2012 23:42:28 -0500 Message-ID: <4F222B2B.6010602@gmail.com> Date: Fri, 27 Jan 2012 12:42:19 +0800 From: Cong Wang User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:9.0) Gecko/20111222 Thunderbird/9.0 MIME-Version: 1.0 To: Michael Wang CC: Ingo Molnar , Peter Zijlstra , Xiaotian Feng , LKML Subject: Re: [PATCH v2] sched: Accelerate "pick_next_entity" under special condition References: <4F13EFBE.1030002@linux.vnet.ibm.com> <1326707503.2442.219.camel@twins> <4F14DEAE.60702@linux.vnet.ibm.com> <4F14E54E.80904@linux.vnet.ibm.com> <1327506934.2614.87.camel@laptop> <20120126100429.GA3853@elte.hu> <4F21FC69.6040402@linux.vnet.ibm.com> In-Reply-To: <4F21FC69.6040402@linux.vnet.ibm.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/27/2012 09:22 AM, Michael Wang wrote: > Hi, Ingo > > Thanks for your reply. > > I have try use "ls -l" to see the size of sched.o, but after applied the > patch, it is still 1636. > > I have not use this method before, may be I use the wrong command... > > But I think the new code should be similar to the old one after compile, > because we still have 3 condition check here. > > I suppose the new sched.o will be a little bigger, because one jump > command and a label need to be added. > Try to see if `size` helps.