linux-kernel - [perf record] 1c569d7006: perf-sanity-tests.Zstd_perf.data

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Date:   Fri, 7 Oct 2022 21:04:21 +0800
From:   kernel test robot <yujie.liu@...el.com>
To:     Namhyung Kim <namhyung@...nel.org>
CC:     <lkp@...ts.01.org>, <lkp@...el.com>,
        <linux-perf-users@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [perf record] 1c569d7006:
 perf-sanity-tests.Zstd_perf.data_compression/decompression.fail

Greeting,

FYI, we noticed the following commit (built with gcc-11):

commit: 1c569d7006bc3d31468ebd0041a725c3d66480ff ("perf record: Read and inject LOST_SAMPLES events")
https://git.kernel.org/cgit/linux/kernel/git/namhyung/linux-perf.git perf/report-lost-v1

in testcase: perf-sanity-tests
version: perf-x86_64-b357fd1c2afc-1_20221001
with following parameters:

	perf_compiler: gcc

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

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


2022-10-06 00:50:16 sudo /usr/src/perf_selftests-x86_64-rhel-8.3-func-1c569d7006bc3d31468ebd0041a725c3d66480ff/tools/perf/perf test 85
 85: Zstd perf.data compression/decompression                        : FAILED!


If you fix the issue, kindly add following tag
| Reported-by: kernel test robot <yujie.liu@...el.com>
| Link: https://lore.kernel.org/r/202210072047.ea7d2a59-yujie.liu@intel.com


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://01.org/lkp

View attachment "config-6.0.0-rc3-00038-g1c569d7006bc" of type "text/plain" (168354 bytes)

View attachment "job-script" of type "text/plain" (5620 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (37344 bytes)

View attachment "perf-sanity-tests" of type "text/plain" (43561 bytes)

View attachment "job.yaml" of type "text/plain" (4607 bytes)

View attachment "reproduce" of type "text/plain" (11702 bytes)