linux-kernel - Re: [perf metricgroup] fcc9c5243c: perf-sanity-tests.Parse_and_process

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Date:   Tue, 3 Nov 2020 14:43:11 +0000
From:   John Garry <john.garry@...wei.com>
To:     Ian Rogers <irogers@...gle.com>, kajoljain <kjain@...ux.ibm.com>
CC:     kernel test robot <rong.a.chen@...el.com>,
        Jin Yao <yao.jin@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Jiri Olsa <jolsa@...hat.com>, Leo Yan <leo.yan@...aro.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        <linuxarm@...wei.com>, LKML <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Joakim Zhang <qiangqing.zhang@....com>,
        <zhangshaokun@...ilicon.com>, James Clark <james.clark@....com>,
        <linux-imx@....com>, 0day robot <lkp@...el.com>, <lkp@...ts.01.org>
Subject: Re: [perf metricgroup] fcc9c5243c:
 perf-sanity-tests.Parse_and_process_metrics.fail

On 20/10/2020 17:53, Ian Rogers wrote:
>>> Thanks for taking a look John. If you want help you can send the
>>> output of "perf test 67 -vvv" to me. It is possible Broadwell has
>>> similar glitches in the json to Skylake. I tested the original test on
>>> server parts as I can access them as cloud machines.
>>>
>>>> I will have a look, but I was hoping that Ian would have a proper fix
>>>> for this on top of ("perf metricgroup: Fix uncore metric expressions"),
>>>> which now looks to be merged.
>>> I still have these changes to look at in my inbox but I'm assuming
>>> they're good:-)  Sorry for not getting to them, but it's good they are
>>> merged.
>> Hi Ian,
>>     Checked in upstream kernel with your fix patch, in powerpc also test case 67 is passing.
>> But I am getting issue in test 10 for powerpc
>>
>> [command]# ./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             : FAILED!
>>
>> Was debugging it, issue is with commit e1c92a7fbbc5 perf tests: Add another metric parsing test.
>>
>> So, there we are passing different runtime parameter value in "expr__find_other and expr__parse"
>> in function `metric_parse_fake`. I believe we need to send same value.
>> I will send fix patch for the same.

Just wondering, was a patch ever submitted for this? Something still 
broken? I can't see any recent relevant changes to tests/pmu-events.c

Thanks,
John