linux-kernel - [perf] b65504b60e: perf-sanity-tests.vmlinux_symtab_matches

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Message-ID: <202210052254.3ca29391-yujie.liu@intel.com>
Date:   Wed, 5 Oct 2022 22:47:57 +0800
From:   kernel test robot <yujie.liu@...el.com>
To:     Nick Alcock <nick.alcock@...cle.com>
CC:     <lkp@...ts.01.org>, <lkp@...el.com>,
        <linux-perf-users@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [perf] b65504b60e:
 perf-sanity-tests.vmlinux_symtab_matches_kallsyms.fail

Greeting,

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

commit: b65504b60e431df8bbc74c4d6d5eddc34457abef ("perf: proof-of-concept kallmodsyms support")
https://github.com/oracle/dtrace-linux-kernel kallmodsyms/latest

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):


2022-10-03 16:25:51 sudo /usr/src/perf_selftests-x86_64-rhel-8.3-func-b65504b60e431df8bbc74c4d6d5eddc34457abef/tools/perf/perf test 1
  1: vmlinux symtab matches kallsyms                                 : FAILED!
...
2022-10-03 16:26:33 sudo /usr/src/perf_selftests-x86_64-rhel-8.3-func-b65504b60e431df8bbc74c4d6d5eddc34457abef/tools/perf/perf test 26
 26: Object code reading                                             : 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/202210052254.3ca29391-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-rc3-00007-gb65504b60e43" of type "text/plain" (168375 bytes)

View attachment "job-script" of type "text/plain" (5594 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (37152 bytes)

View attachment "perf-sanity-tests" of type "text/plain" (43396 bytes)

View attachment "job.yaml" of type "text/plain" (4525 bytes)

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