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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,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 CAE5EC433E7 for ; Mon, 12 Oct 2020 05:30:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 847492076E for ; Mon, 12 Oct 2020 05:30:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726492AbgJLFaC (ORCPT ); Mon, 12 Oct 2020 01:30:02 -0400 Received: from mga03.intel.com ([134.134.136.65]:35131 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726098AbgJLFaC (ORCPT ); Mon, 12 Oct 2020 01:30:02 -0400 IronPort-SDR: XDudJNlmK8YV6mWoPCl2qBmhgHGl5QyxcyyWXxF/HMza9nF1V4sbNW0CMLU+JzSjEUWyXSCXp7 ITOw+EigM2yQ== X-IronPort-AV: E=McAfee;i="6000,8403,9771"; a="165749587" X-IronPort-AV: E=Sophos;i="5.77,365,1596524400"; d="scan'208";a="165749587" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Oct 2020 22:30:01 -0700 IronPort-SDR: 7eQVdQbX5NOM1z5RKVqTaIVr2Q4I0piUQWEe746H9eYsJPeN9tg4JdT6wlIbPsxmBSXlDz4b37 NkUwojE60qIA== X-IronPort-AV: E=Sophos;i="5.77,365,1596524400"; d="scan'208";a="462971273" Received: from xingzhen-mobl.ccr.corp.intel.com (HELO [10.238.4.68]) ([10.238.4.68]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Oct 2020 22:29:57 -0700 Subject: Re: [LKP] Re: [hugetlbfs] c0d0381ade: vm-scalability.throughput -33.4% regression To: Mike Kravetz , kernel test robot Cc: Linus Torvalds , Andrew Morton , Michal Hocko , Hugh Dickins , Naoya Horiguchi , "Aneesh Kumar K.V" , Andrea Arcangeli , "Kirill A.Shutemov" , Davidlohr Bueso , Prakash Sangappa , LKML , lkp@lists.01.org References: <20200622005551.GK5535@shao2-debian> <718e1653-b273-096b-0ee3-f720cf794612@oracle.com> <691152ef-6787-9598-4445-fd2a0164f70f@oracle.com> <1f6d321e-96b4-18c3-2991-d6a2e94c9e60@oracle.com> From: Xing Zhengjun Message-ID: <68992a81-a1b9-467b-59c4-48ab65c601c5@linux.intel.com> Date: Mon, 12 Oct 2020 13:29:13 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.12.1 MIME-Version: 1.0 In-Reply-To: <1f6d321e-96b4-18c3-2991-d6a2e94c9e60@oracle.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Mike, I re-test it in v5.9-rc8, the regression still existed. It is almost the same as 34ae204f1851. Do you have time to look at it? Thanks. ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/runtime/size/test/cpufreq_governor/ucode: lkp-knm01/vm-scalability/debian-x86_64-20191114.cgz/x86_64-rhel-7.6/gcc-7/300s/8T/anon-cow-seq-hugetlb/performance/0x11 commit: 49aef7175cc6eb703a9280a7b830e675fe8f2704 c0d0381ade79885c04a04c303284b040616b116e v5.8 34ae204f18519f0920bd50a644abd6fefc8dbfcf v5.9-rc1 v5.9-rc8 49aef7175cc6eb70 c0d0381ade79885c04a04c30328 v5.8 34ae204f18519f0920bd50a644a v5.9-rc1 v5.9-rc8 ---------------- --------------------------- --------------------------- --------------------------- --------------------------- --------------------------- %stddev %change %stddev %change %stddev %change %stddev %change %stddev %change %stddev \ | \ | \ | \ | \ | \ 38043 ± 3% -30.2% 26560 ± 4% -29.5% 26815 ± 6% -7.4% 35209 ± 2% -7.4% 35244 -8.8% 34704 vm-scalability.median 7.86 ± 19% +9.7 17.54 ± 21% +10.4 18.23 ± 34% -3.1 4.75 ± 7% -4.5 3.36 ± 7% -4.0 3.82 ± 15% vm-scalability.median_stddev% 12822071 ± 3% -34.1% 8450822 ± 4% -33.6% 8517252 ± 6% -10.7% 11453675 ± 2% -10.2% 11513595 ± 2% -11.6% 11331657 vm-scalability.throughput 2.523e+09 ± 3% -20.7% 2.001e+09 ± 5% -19.9% 2.021e+09 ± 7% +6.8% 2.694e+09 ± 2% +7.3% 2.707e+09 ± 2% +5.4% 2.661e+09 vm-scalability.workload On 8/22/2020 7:36 AM, Mike Kravetz wrote: > On 8/21/20 2:02 PM, Mike Kravetz wrote: >> Would you be willing to test this series on top of 34ae204f1851? I will need >> to rebase the series to take the changes made by 34ae204f1851 into account. > > Actually, the series in this thread will apply/run cleanly on top of > 34ae204f1851. No need to rebase or port. If we decide to move forward more > work is required. See a few FIXME's in the patches. > -- Zhengjun Xing