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 3289DC433E7 for ; Mon, 19 Oct 2020 08:03:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CFE8C2224D for ; Mon, 19 Oct 2020 08:03:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728333AbgJSIDK (ORCPT ); Mon, 19 Oct 2020 04:03:10 -0400 Received: from mga09.intel.com ([134.134.136.24]:56640 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727349AbgJSIDF (ORCPT ); Mon, 19 Oct 2020 04:03:05 -0400 IronPort-SDR: Dokl+3vdgHVOGyKr1im+nNomy5q86SXKUTaCOCd7QcpL0D6Oyftj6NQ/BV7Z2wbYHAnEC3DSl3 tAVEBBiZIM5g== X-IronPort-AV: E=McAfee;i="6000,8403,9778"; a="167102145" X-IronPort-AV: E=Sophos;i="5.77,394,1596524400"; d="scan'208";a="167102145" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Oct 2020 01:03:04 -0700 IronPort-SDR: Clpl+gDWvlEyR+nyydLcDPkJjkrbCRKWDeutkXG3vo02PCEv86GksX4dUJGawPvQDsLviB+bZl O+UKFX81E5Uw== X-IronPort-AV: E=Sophos;i="5.77,394,1596524400"; d="scan'208";a="532533598" Received: from yjin15-mobl1.ccr.corp.intel.com (HELO [10.238.4.83]) ([10.238.4.83]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Oct 2020 01:02:59 -0700 Subject: Re: [perf metricgroup] fcc9c5243c: perf-sanity-tests.Parse_and_process_metrics.fail To: Andi Kleen , Ian Rogers Cc: kernel test robot , John Garry , Arnaldo Carvalho de Melo , Will Deacon , Mark Rutland , Jiri Olsa , Leo Yan , Peter Zijlstra , Ingo Molnar , Alexander Shishkin , Namhyung Kim , Mathieu Poirier , linuxarm@huawei.com, LKML , Linux ARM , Joakim Zhang , zhangshaokun@hisilicon.com, James Clark , linux-imx@nxp.com, 0day robot , lkp@lists.01.org References: <1602152121-240367-10-git-send-email-john.garry@huawei.com> <20201018085031.GK11647@shao2-debian> <20201019015225.GI466880@tassilo.jf.intel.com> From: "Jin, Yao" Message-ID: <0b84ddc4-ddba-34c2-0996-0d83c7008a6f@linux.intel.com> Date: Mon, 19 Oct 2020 16:02:57 +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: <20201019015225.GI466880@tassilo.jf.intel.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/19/2020 9:52 AM, Andi Kleen wrote: >> I believe this is a Skylake and there is a known bug in the Skylake >> metric DRAM_Parallel_Reads as described here: >> https://lore.kernel.org/lkml/CAP-5=fXejVaQa9qfW66cY77qB962+jbe8tT5bsLoOOcFmODnWQ@mail.gmail.com/ >> Fixing the bug needs more knowledge than what is available in manuals. >> Hopefully Intel can take a look. > > Oh I missed the original mail for some reason. Yes it should be cmask instead of thresh > for client. I think thresh is used on the server uncore only, not on the client. > > Jin Yao, can you send a patch please? > > -Andi > Yes, the DRAM_Parallel_Reads works on server but it's failed on client. I will post a patch to fix that. Thanks Jin Yao