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 F3BD9C433E0 for ; Wed, 24 Mar 2021 09:16:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A277661A05 for ; Wed, 24 Mar 2021 09:16:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234600AbhCXJPz (ORCPT ); Wed, 24 Mar 2021 05:15:55 -0400 Received: from frasgout.his.huawei.com ([185.176.79.56]:2737 "EHLO frasgout.his.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234537AbhCXJPW (ORCPT ); Wed, 24 Mar 2021 05:15:22 -0400 Received: from fraeml707-chm.china.huawei.com (unknown [172.18.147.207]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4F52Wv2ybjz6801j; Wed, 24 Mar 2021 17:10:35 +0800 (CST) Received: from lhreml724-chm.china.huawei.com (10.201.108.75) by fraeml707-chm.china.huawei.com (10.206.15.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Wed, 24 Mar 2021 10:15:20 +0100 Received: from [10.47.7.62] (10.47.7.62) by lhreml724-chm.china.huawei.com (10.201.108.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2106.2; Wed, 24 Mar 2021 09:15:18 +0000 Subject: Re: [PATCHv4 00/19] perf metric: Add support to reuse metric To: "Paul A. Clarke" CC: Jiri Olsa , Arnaldo Carvalho de Melo , lkml , Ingo Molnar , "Namhyung Kim" , Alexander Shishkin , Peter Zijlstra , Michael Petlan , Andi Kleen , Kajol Jain , Stephane Eranian , Ian Rogers References: <20200729091908.1378911-1-jolsa@kernel.org> <20200801114050.GB377079@li-24c3614c-2adc-11b2-a85c-85f334518bdb.ibm.com> <7682e4c3-5840-bb6d-5e76-6b3fd37b04c0@huawei.com> <20210323150604.GB8931@li-24c3614c-2adc-11b2-a85c-85f334518bdb.ibm.com> <20210324015418.GC8931@li-24c3614c-2adc-11b2-a85c-85f334518bdb.ibm.com> From: John Garry Message-ID: Date: Wed, 24 Mar 2021 09:13:04 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.1.2 MIME-Version: 1.0 In-Reply-To: <20210324015418.GC8931@li-24c3614c-2adc-11b2-a85c-85f334518bdb.ibm.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.47.7.62] X-ClientProxiedBy: lhreml704-chm.china.huawei.com (10.201.108.53) To lhreml724-chm.china.huawei.com (10.201.108.75) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 24/03/2021 01:54, Paul A. Clarke wrote: >>> -- >> Since commit 8989f5f07605 ("perf stat: Update POWER9 metrics to utilize >> other metrics"), power9 has reused metrics. >> >> And I am finding that subtest 10.3 caused problems when I tried to introduce >> metric reuse on arm64, so I was just asking you to check. >> >> Now I am a bit confused... > I now understand your original request!:-) > > The above test was run on a POWER8 system. > > I do see failures on a POWER9 system: > -- > $ ./perf test 10 > 10: PMU events : > 10.1: PMU event table sanity : Ok > 10.2: PMU event map aliases : Ok > 10.3: Parsing of PMU event table metrics : Skip (some metrics failed) > 10.4: Parsing of PMU event table metrics with fake PMUs : Ok > $ ./perf test --verbose 10 2>&1 | grep -i '^Parse event failed' | wc -l > 112 ok, thanks for confirming. I'm looking at fixing it, and the solution doesn't look simple :( John