Hello,
On Wed, Sep 23, 2020 at 6:15 PM kernel test robot <rong.a.c...@intel.com> wrote:
>
> Greeting,
>
> FYI, we noticed the following commit (built with gcc-9):
>
> commit: 77b66fd55195289f5361af4f8a0978a3a90b9363 ("[PATCH 3/4] perf tools:
> Copy metric events properly when multiply cgroups")
> url:
> https://github.com/0day-ci/linux/commits/Namhyung-Kim/perf-stat-Add-multiply-cgroup-option/20200908-124454
> base: https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git
> 2cb5383b30d47c446ec7d884cd80f93ffcc31817
>
> in testcase: perf-sanity-tests
> version: perf-x86_64-34d4ddd359db-1_20200909
> with following parameters:
>
> perf_compiler: gcc
> ucode: 0xdc
>
>
>
> on test machine: 8 threads Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz with 16G
> 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.c...@intel.com>
Thanks for the report. I'll fix it and send it in the next version.
Thanks
Namhyung
>
>
> 2020-09-23 04:43:45 sudo
> /usr/src/perf_selftests-x86_64-rhel-8.3-77b66fd55195289f5361af4f8a0978a3a90b9363/tools/perf/perf
> test 1
> 1: vmlinux symtab matches kallsyms : Ok
> 2020-09-23 04:43:45 sudo
> /usr/src/perf_selftests-x86_64-rhel-8.3-77b66fd55195289f5361af4f8a0978a3a90b9363/tools/perf/perf
> test 2
> 2: Detect openat syscall event : Ok
> 2020-09-23 04:43:45 sudo
> /usr/src/perf_selftests-x86_64-rhel-8.3-77b66fd55195289f5361af4f8a0978a3a90b9363/tools/perf/perf
> test 3
> 3: Detect openat syscall event on all cpus : Ok
> 2020-09-23 04:43:45 sudo
> /usr/src/perf_selftests-x86_64-rhel-8.3-77b66fd55195289f5361af4f8a0978a3a90b9363/tools/perf/perf
> test 4
> 4: Read samples using the mmap interface : Ok
> 2020-09-23 04:43:45 sudo
> /usr/src/perf_selftests-x86_64-rhel-8.3-77b66fd55195289f5361af4f8a0978a3a90b9363/tools/perf/perf
> test 5
> 5: Test data source output : Ok
> 2020-09-23 04:43:45 sudo
> /usr/src/perf_selftests-x86_64-rhel-8.3-77b66fd55195289f5361af4f8a0978a3a90b9363/tools/perf/perf
> test 6
> 6: Parse event definition strings : Ok
> 2020-09-23 04:43:46 sudo
> /usr/src/perf_selftests-x86_64-rhel-8.3-77b66fd55195289f5361af4f8a0978a3a90b9363/tools/perf/perf
> test 7
> 7: Simple expression parser : Ok
> 2020-09-23 04:43:46 sudo
> /usr/src/perf_selftests-x86_64-rhel-8.3-77b66fd55195289f5361af4f8a0978a3a90b9363/tools/perf/perf
> test 8
> 8: PERF_RECORD_* events & perf_sample fields : Ok
> 2020-09-23 04:43:48 sudo
> /usr/src/perf_selftests-x86_64-rhel-8.3-77b66fd55195289f5361af4f8a0978a3a90b9363/tools/perf/perf
> test 9
> 9: Parse perf pmu format : Ok
> 2020-09-23 04:43:48 sudo
> /usr/src/perf_selftests-x86_64-rhel-8.3-77b66fd55195289f5361af4f8a0978a3a90b9363/tools/perf/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 : Ok
> 2020-09-23 04:43:48 sudo
> /usr/src/perf_selftests-x86_64-rhel-8.3-77b66fd55195289f5361af4f8a0978a3a90b9363/tools/perf/perf
> test 11
> 11: DSO data read : Ok
> 2020-09-23 04:43:48 sudo
> /usr/src/perf_selftests-x86_64-rhel-8.3-77b66fd55195289f5361af4f8a0978a3a90b9363/tools/perf/perf
> test 12
> 12: DSO data cache : Ok
> 2020-09-23 04:43:48 sudo
> /usr/src/perf_selftests-x86_64-rhel-8.3-77b66fd55195289f5361af4f8a0978a3a90b9363/tools/perf/perf
> test 13
> 13: DSO data reopen : Ok
> 2020-09-23 04:43:48 sudo
> /usr/src/perf_selftests-x86_64-rhel-8.3-77b66fd55195289f5361af4f8a0978a3a90b9363/tools/perf/perf
> test 14
> 14: Roundtrip evsel->name : Ok
> 2020-09-23 04:43:48 sudo
> /usr/src/perf_selftests-x86_64-rhel-8.3-77b66fd55195289f5361af4f8a0978a3a90b9363/tools/perf/perf
> test 15
> 15: Parse sched tracepoints fields : Ok
> 2020-09-23 04:43:48 sudo
> /usr/src/perf_selftests-x86_64-rhel-8.3-77b66fd55195289f5361af4f8a0978a3a90b9363/tools/perf/perf
> test 16
> 16: syscalls:sys_enter_openat event fields : Ok
> 2020-09-23 04:43:48 sudo
> /usr/src/perf_selftests-x86_64-rhel-8.3-77b66fd55195289f5361af4f8a0978a3a90b9363/tools/perf/perf
> test 17
> 17: Setup struct perf_event_attr : Ok
> 2020-09-23 04:43:54 sudo
> /usr/src/perf_selftests-x86_64-rhel-8.3-77b66fd55195289f5361af4f8a0978a3a90b9363/tools/perf/perf
> test 18
> 18: Match and link multiple hists : Ok
> 2020-09-23 04:43:54 sudo
> /usr/src/perf_selftests-x86_64-rhel-8.3-77b66fd55195289f5361af4f8a0978a3a90b9363/tools/perf/perf
> test 19
> 19: 'import perf' in python : FAILED!
>
>
>
> 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
>
