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References: <202306161546.17ace7b9-oliver.sang@intel.com>
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From:   Ian Rogers <irogers@google.com>
Date:   Fri, 16 Jun 2023 13:37:36 -0700
Message-ID: <CAP-5=fWxEjvK+ed-FFLuKT=AThhS_nH1ejOw=of7Shnu8oH-dw@mail.gmail.com>
Subject: Re: [linux-next:master] [perf parse] 70c90e4a6b: perf-test.perf_hw_event_sample_group.group_sampe_cpu-cycles_cache-misses_and_cpu-cycles_cache-misses_instructions_HAS_FIX_NO_NMI_R1.fail
To:     kernel test robot <oliver.sang@intel.com>
Cc:     oe-lkp@lists.linux.dev, lkp@intel.com,
        Linux Memory Management List <linux-mm@kvack.org>,
        Arnaldo Carvalho de Melo <acme@redhat.com>,
        Kan Liang <kan.liang@linux.intel.com>,
        Adrian Hunter <adrian.hunter@intel.com>,
        Ahmad Yasin <ahmad.yasin@intel.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Andi Kleen <ak@linux.intel.com>,
        Athira Rajeev <atrajeev@linux.vnet.ibm.com>,
        Caleb Biggers <caleb.biggers@intel.com>,
        Edward Baker <edward.baker@intel.com>,
        Florian Fischer <florian.fischer@muhq.space>,
        Ingo Molnar <mingo@redhat.com>,
        James Clark <james.clark@arm.com>,
        Jiri Olsa <jolsa@kernel.org>,
        John Garry <john.g.garry@oracle.com>,
        Kajol Jain <kjain@linux.ibm.com>,
        Kang Minchul <tegongkang@gmail.com>,
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        Mark Rutland <mark.rutland@arm.com>,
        Namhyung Kim <namhyung@kernel.org>,
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        Peter Zijlstra <peterz@infradead.org>,
        Ravi Bangoria <ravi.bangoria@amd.com>,
        Rob Herring <robh@kernel.org>,
        Samantha Alt <samantha.alt@intel.com>,
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        Sumanth Korikkar <sumanthk@linux.ibm.com>,
        Suzuki Poulouse <suzuki.poulose@arm.com>,
        Thomas Richter <tmricht@linux.ibm.com>,
        Tiezhu Yang <yangtiezhu@loongson.cn>,
        Weilin Wang <weilin.wang@intel.com>,
        Xing Zhengjun <zhengjun.xing@linux.intel.com>,
        Yang Jihong <yangjihong1@huawei.com>,
        linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
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On Fri, Jun 16, 2023 at 1:15=E2=80=AFAM kernel test robot <oliver.sang@inte=
l.com> wrote:
>
>
>
> Hello,
>
> kernel test robot noticed "perf-test.perf_hw_event_sample_group.group_sam=
pe_cpu-cycles_cache-misses_and_cpu-cycles_cache-misses_instructions_HAS_FIX=
_NO_NMI_R1.fail" on:

Failure is a memory leak that I believe was fixed in:
https://lore.kernel.org/r/20230608232823.4027869-20-irogers@google.com

Thanks,
Ian

> commit: 70c90e4a6b2fbe775b662eafefae51f64d627790 ("perf parse-events: Avo=
id scanning PMUs before parsing")
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
>
> [test failed on linux-next/master 925294c9aa184801cc0a451b69a18dd0fe7d847=
d]
>
> in testcase: perf-test
> version: perf-test-x86_64-git-1_20220520
> with following parameters:
>
>         type: lkp
>         group: group-00
>
> test-description: The internal Perf Test suite.
>
>
> compiler: gcc-12
> test machine: 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480+ (Sapp=
hire Rapids) with 256G memory
>
> (please refer to attached dmesg/kmsg for entire log/backtrace)
>
>
>
>
> If you fix the issue in a separate patch/commit (i.e. not just a new vers=
ion of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <oliver.sang@intel.com>
> | Closes: https://lore.kernel.org/oe-lkp/202306161546.17ace7b9-oliver.san=
g@intel.com
>
>
>
> Test Case group_sampe_cpu-cycles_cache-misses_and_cpu-cycles_cache-misses=
_instructions_NO_FIX_HAS_NMI_R1 FAILED!
>
>
> besides, we also observed below difference between this commit and its pa=
rent
>
> 442eeb77044705f2 70c90e4a6b2fbe775b662eafefa
> ---------------- ---------------------------
>        fail:runs  %reproduction    fail:runs
>            |             |             |
>            :6          100%           6:6     perf-test.perf_hw_event_sam=
ple_group.group_sampe_cpu-cycles_cache-misses_and_cpu-cycles_cache-misses_i=
nstructions_HAS_FIX_NO_NMI_R1.fail
>            :6          100%           6:6     perf-test.perf_hw_event_sam=
ple_group.group_sampe_cpu-cycles_cache-misses_and_cpu-cycles_cache-misses_i=
nstructions_NO_FIX_HAS_NMI_R1.fail
>            :6          100%           6:6     perf-test.perf_hw_event_sam=
ple_group.group_sampe_cpu-cycles_instructions_k_HAS_FIX_NO_NMI_R1.fail
>            :6          100%           6:6     perf-test.perf_hw_event_sam=
ple_group.group_sampe_cpu-cycles_instructions_k_NO_FIX_HAS_NMI_R1.fail
>
>
>
> To reproduce:
>
>         git clone https://github.com/intel/lkp-tests.git
>         cd lkp-tests
>         sudo bin/lkp install job.yaml           # job file is attached in=
 this email
>         bin/lkp split-job --compatible job.yaml # generate the yaml file =
for lkp run
>         sudo bin/lkp run generated-yaml-file
>
>         # if come across any failure that blocks the test,
>         # please remove ~/.lkp and /lkp dir to run from a clean state.
>
>
>
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki
>
>