From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752374AbaBTHVh (ORCPT ); Thu, 20 Feb 2014 02:21:37 -0500 Received: from mail-pd0-f169.google.com ([209.85.192.169]:47935 "EHLO mail-pd0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751261AbaBTHVg (ORCPT ); Thu, 20 Feb 2014 02:21:36 -0500 Message-ID: <5305ACF9.60403@linaro.org> Date: Thu, 20 Feb 2014 15:21:29 +0800 From: Alex Shi User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Fengguang Wu CC: LKML Subject: Re: [sched/balance] 7511dd0a7: +2.1e+05% context switches References: <20140219130028.GB8169@localhost> In-Reply-To: <20140219130028.GB8169@localhost> 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 02/19/2014 09:00 PM, Fengguang Wu wrote: > bc575710efe937e 7511dd0a73aaf2ca4bcd829f9 > --------------- ------------------------- > 2029 ~ 0% +222.9% 6551 ~17% lkp-snb01/micro/will-it-scale/pthread_mutex2 > 143678 ~42% +4.8e+05% 6.927e+08 ~ 0% lkp-snb01/micro/will-it-scale/sched_yield > 145708 ~42% +4.8e+05% 6.927e+08 ~ 0% TOTAL time.involuntary_context_switches Thanks for testing, Fengguang! Does the context switch increasing happen on whole patchset? or just happens on this patch? -- Thanks Alex