From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CC27CC433E0 for ; Tue, 7 Jul 2020 02:58:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A552320723 for ; Tue, 7 Jul 2020 02:58:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727928AbgGGC6v (ORCPT ); Mon, 6 Jul 2020 22:58:51 -0400 Received: from mga04.intel.com ([192.55.52.120]:28240 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727097AbgGGC6v (ORCPT ); Mon, 6 Jul 2020 22:58:51 -0400 IronPort-SDR: UOm8xvynWn5G3eQAGxe84qd2pAaa3wZNADUuDT8YxvanhebbaeZZmPMLLkC7cZEuBoR4Onem04 6ZyroDGXYCIg== X-IronPort-AV: E=McAfee;i="6000,8403,9674"; a="145031398" X-IronPort-AV: E=Sophos;i="5.75,321,1589266800"; d="scan'208";a="145031398" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jul 2020 19:58:50 -0700 IronPort-SDR: Wbuws6KtAJ2FM5ntGD5gG81OGOw57tT/gRnzf/9OXTVI13xqM4o/577POvgZIJeyK78BEoA2y0 ohYHxM7BZLYg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,321,1589266800"; d="scan'208";a="314143078" Received: from xingzhen-mobl1.ccr.corp.intel.com (HELO [10.238.4.18]) ([10.238.4.18]) by orsmga008.jf.intel.com with ESMTP; 06 Jul 2020 19:58:46 -0700 Subject: Re: [LKP] [x86, sched] 1567c3e346: vm-scalability.median -15.8% regression From: Xing Zhengjun To: Giovanni Gherdovich , kernel test robot Cc: Ingo Molnar , Peter Zijlstra , Doug Smythies , "Rafael J. Wysocki" , LKML , Andrew Morton , Stephen Rothwell , lkp@lists.01.org References: <20200306051916.GA23395@xsang-OptiPlex-9020> <1587018059.32139.22.camel@suse.cz> Message-ID: Date: Tue, 7 Jul 2020 10:58:45 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 6/12/2020 4:11 PM, Xing Zhengjun wrote: > Hi Giovanni, > >    I test the regression, it still existed in v5.7.  Do you have time > to take a look at this? Thanks. > Ping... > ========================================================================================= > > tbox_group/testcase/rootfs/kconfig/compiler/runtime/debug-setup/size/test/cpufreq_governor/ucode: > > > lkp-hsw-4ex1/vm-scalability/debian-x86_64-20191114.cgz/x86_64-rhel-7.6/gcc-7/300s/test/8T/anon-cow-seq/performance/0x16 > > > commit: >   2a4b03ffc69f2dedc6388e9a6438b5f4c133a40d >   1567c3e3467cddeb019a7b53ec632f834b6a9239 >   v5.7-rc1 >   v5.7 > > 2a4b03ffc69f2ded 1567c3e3467cddeb019a7b53ec6                    v5.7-rc1 >                        v5.7 > ---------------- --------------------------- --------------------------- > --------------------------- >          %stddev     %change         %stddev     %change %stddev > %change         %stddev >              \          |                \          |                \ >         |                \ >     211462           -16.0%     177702           -15.0%     179809 > -15.1%     179510        vm-scalability.median >       5.34 ±  9%      -3.1        2.23 ± 11%      -2.9        2.49 ± > 5%      -2.7        2.61 ± 11%  vm-scalability.median_stddev% >   30430671           -16.3%   25461360           -15.5%   25707029 > -15.5%   25701713        vm-scalability.throughput >  7.967e+09           -11.1%  7.082e+09           -11.1%  7.082e+09 > -11.1%  7.082e+09        vm-scalability.workload > > > > On 4/16/2020 2:20 PM, Giovanni Gherdovich wrote: >> On Thu, 2020-04-16 at 14:10 +0800, Xing Zhengjun wrote: >>> Hi Giovanni, >>> >>>     1567c3e346("x86, sched: Add support for frequency invariance") has >>> been merged into Linux mainline v5.7-rc1 now. Do you have time to take a >>> look at this? Thanks. >>> >> >> Apologies, this slipped under my radar. I'm on it, thanks. >> >> >> Giovanni Gherdovich >> > -- Zhengjun Xing