From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752359AbaAPDCi (ORCPT ); Wed, 15 Jan 2014 22:02:38 -0500 Received: from mga03.intel.com ([143.182.124.21]:40195 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751325AbaAPDCf (ORCPT ); Wed, 15 Jan 2014 22:02:35 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.95,666,1384329600"; d="scan'208";a="459586585" Date: Thu, 16 Jan 2014 11:01:42 +0800 From: Fengguang Wu To: Alex Shi Cc: LKML , Peter Zijlstra , lkp@linux.intel.com Subject: Re: [sched] 73628fba4: +69% context switches Message-ID: <20140116030142.GA19524@localhost> References: <20140111101956.GA11150@localhost> <52D3804A.8060700@linaro.org> <20140116012301.GA2535@localhost> <52D73D9E.8090402@linaro.org> <20140116021811.GA17073@localhost> <52D747E9.9050602@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <52D747E9.9050602@linaro.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 16, 2014 at 10:46:01AM +0800, Alex Shi wrote: > >>>> > >> > >>>> > >> What's about the aim7 shell_rtns_1 and shared throughput? > >>> > > > >>> > > The throughputs remain the same. We only report changed numbers. > >> > > >> > So many interrupt increase doesn't cause any performance change, that > >> > make more doubt of data correction. > >> > Could you like to give the typical vmstat output? Specially the > >> > sys/us/wa/id time percentages. > > > wfg@bee /lkp/result/lkp-ne04/micro/aim7/shell_rtns_1/x86_64-lkp/91dd08bd65052b483f96f75abcc93f2f1b67a62c/1% cat vmstat > > 1389799131.230965 procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- > > 1389799131.231067 r b swpd free buff cache si so bi bo in cs us sy id wa > > 1389799143.207206 1912 26 0 10354424 0 851960 0 0 0 0 8849 31376 28 67 6 0 > > 1389799144.207531 1515 35 0 10318484 0 852092 0 0 0 0 7670 28332 31 69 0 0 > > 1389799145.207852 1678 26 0 10303276 0 852196 0 0 0 0 7596 27208 31 69 0 0 > > 1389799146.208176 1981 43 0 10264672 0 852284 0 0 0 0 7478 27313 31 69 0 0 > > 1389799147.208500 1977 35 0 10299316 0 852380 0 0 0 0 8505 29552 30 70 0 0 > > That's for the data! It does not matter in comparison POV. How do you know when aim starts the testing phase? > Is it the per seconds or per 10 seconds? It's per seconds. The first column has the time stamps. Thanks, Fengguang