Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752721AbaBJPyZ (ORCPT ); Mon, 10 Feb 2014 10:54:25 -0500 Received: from mail-pd0-f172.google.com ([209.85.192.172]:51522 "EHLO mail-pd0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752667AbaBJPyV (ORCPT ); Mon, 10 Feb 2014 10:54:21 -0500 Message-ID: <52F8F629.7040006@intel.com> Date: Mon, 10 Feb 2014 07:54:17 -0800 From: Dirk Brandewie 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: dirk.j.brandewie@intel.com, "Rafael J. Wysocki" , LKML , lkp@01.org Subject: Re: [intel_pstate] fcb6a15c: -34.4% aim7 jobs-per-min and -17.0% will-it-scale/page_fault1 Pkg_W References: <20140207123315.GA3448@localhost> In-Reply-To: <20140207123315.GA3448@localhost> 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 02/07/2014 04:33 AM, Fengguang Wu wrote: > Hi Dirk, > > FYI, we notice dropped power and performance numbers on commit > fcb6a15c2e7e76d493e6f91ea889ab40e1c643a4 ("intel_pstate: Take core C0 > time into account for core busy calculation"). > > > v3.14-rc1 fcb6a15c2e7e76d493e6f91ea > --------------- ------------------------- > 6.53 ~ 4% -12.0% 5.75 ~ 2% lkp-sb03/micro/netperf/120s-200%-SCTP_STREAM > 147.93 ~ 0% -23.3% 113.40 ~ 0% lkp-sbx04/micro/will-it-scale/page_fault1 > 154.46 ~ 0% -22.9% 119.15 ~ 0% TOTAL turbostat.Cor_W > > v3.14-rc1 fcb6a15c2e7e76d493e6f91ea > --------------- ------------------------- > 203 ~ 0% -17.0% 169 ~ 0% lkp-sbx04/micro/will-it-scale/page_fault1 > 203 ~ 0% -17.0% 169 ~ 0% TOTAL turbostat.Pkg_W > These two tests show an improvement in power :-) > v3.14-rc1 fcb6a15c2e7e76d493e6f91ea > --------------- ------------------------- > 572540 ~ 1% -30.2% 399351 ~ 1% grantley/micro/aim7/disk_src > 317151 ~ 1% -42.0% 183863 ~ 0% grantley/micro/aim7/shell_rtns_1 > 889692 ~ 1% -34.4% 583214 ~ 1% TOTAL aim7.2000.jobs-per-min > I am investigating where the aim benchmark went south. -- 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/