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Date:   Sun, 18 Oct 2020 16:50:31 +0800
From:   kernel test robot <rong.a.chen@...el.com>
To:     John Garry <john.garry@...wei.com>
Cc:     acme@...nel.org, will@...nel.org, mark.rutland@....com,
        jolsa@...hat.com, irogers@...gle.com, leo.yan@...aro.org,
        peterz@...radead.org, mingo@...hat.com,
        alexander.shishkin@...ux.intel.com, namhyung@...nel.org,
        mathieu.poirier@...aro.org, linuxarm@...wei.com,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        qiangqing.zhang@....com, zhangshaokun@...ilicon.com,
        james.clark@....com, linux-imx@....com,
        John Garry <john.garry@...wei.com>, 0day robot <lkp@...el.com>,
        lkp@...ts.01.org
Subject: [perf metricgroup] fcc9c5243c:
 perf-sanity-tests.Parse_and_process_metrics.fail

Greeting,

FYI, we noticed the following commit (built with gcc-9):

commit: fcc9c5243c478f104014daf4d23db86098d2aef0 ("perf metricgroup: Hack a fix for aliases when covering multiple PMUs")
url: https://github.com/0day-ci/linux/commits/John-Garry/perf-pmu-events-Support-event-aliasing-for-system-PMUs/20201008-182049


in testcase: perf-sanity-tests
version: perf-x86_64-c85fb28b6f99-1_20201008
with following parameters:

	perf_compiler: gcc
	ucode: 0xdc



on test machine: 4 threads Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz with 32G memory

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):




If you fix the issue, kindly add following tag
Reported-by: kernel test robot <rong.a.chen@...el.com>


2020-10-16 19:31:52 sudo /usr/src/perf_selftests-x86_64-rhel-8.3-fcc9c5243c478f104014daf4d23db86098d2aef0/tools/perf/perf test 67
67: Parse and process metrics                             : FAILED!
2020-10-16 19:31:52 sudo /usr/src/perf_selftests-x86_64-rhel-8.3-fcc9c5243c478f104014daf4d23db86098d2aef0/tools/perf/perf test 68
68: x86 rdpmc                                             : Ok
2020-10-16 19:31:52 sudo /usr/src/perf_selftests-x86_64-rhel-8.3-fcc9c5243c478f104014daf4d23db86098d2aef0/tools/perf/perf test 69
69: Convert perf time to TSC                              : Ok
2020-10-16 19:31:52 sudo /usr/src/perf_selftests-x86_64-rhel-8.3-fcc9c5243c478f104014daf4d23db86098d2aef0/tools/perf/perf test 70
70: DWARF unwind                                          : Ok
2020-10-16 19:31:52 sudo /usr/src/perf_selftests-x86_64-rhel-8.3-fcc9c5243c478f104014daf4d23db86098d2aef0/tools/perf/perf test 71
71: x86 instruction decoder - new instructions            : Ok
2020-10-16 19:31:52 sudo /usr/src/perf_selftests-x86_64-rhel-8.3-fcc9c5243c478f104014daf4d23db86098d2aef0/tools/perf/perf test 72
72: Intel PT packet decoder                               : Ok
2020-10-16 19:31:52 sudo /usr/src/perf_selftests-x86_64-rhel-8.3-fcc9c5243c478f104014daf4d23db86098d2aef0/tools/perf/perf test 73
73: x86 bp modify                                         : Ok
2020-10-16 19:31:53 sudo /usr/src/perf_selftests-x86_64-rhel-8.3-fcc9c5243c478f104014daf4d23db86098d2aef0/tools/perf/perf test 74
74: probe libc's inet_pton & backtrace it with ping       : Ok
2020-10-16 19:31:54 sudo /usr/src/perf_selftests-x86_64-rhel-8.3-fcc9c5243c478f104014daf4d23db86098d2aef0/tools/perf/perf test 75
75: Zstd perf.data compression/decompression              : Ok



To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml



Thanks,
Rong Chen


View attachment "config-5.9.0-rc8-00009-gfcc9c5243c478" of type "text/plain" (170148 bytes)

View attachment "job-script" of type "text/plain" (5631 bytes)

Download attachment "kmsg.xz" of type "application/x-xz" (32356 bytes)

View attachment "perf-sanity-tests" of type "text/plain" (31167 bytes)

View attachment "job.yaml" of type "text/plain" (4598 bytes)

View attachment "reproduce" of type "text/plain" (8343 bytes)

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