Re: [perf tools] 77b66fd551: perf-sanity-tests.'import_perf'_in_python.fail

From: Arnaldo Carvalho de Melo
Date: Fri Sep 25 2020 - 07:55:17 EST


Em Thu, Sep 24, 2020 at 12:04:51PM +0900, Namhyung Kim escreveu:
> On Wed, Sep 23, 2020 at 6:15 PM kernel test robot <rong.a.chen@xxxxxxxxx> wrote:
> > 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.chen@xxxxxxxxx>
>
> Thanks for the report. I'll fix it and send it in the next version.

I'm so glad this is in place, thanks to all involved!

- Arnaldo

> 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
> >

--

- Arnaldo