linux-kernel - [perf] 64a7f64478: perf-event-tests.check_reset

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Date:   Wed, 18 Mar 2020 20:49:33 +0800
From:   kernel test robot <rong.a.chen@...el.com>
To:     Song Liu <songliubraving@...com>
Cc:     peterz@...radead.org, linux-kernel@...r.kernel.org,
        kernel-team@...com, arnaldo.melo@...il.com, jolsa@...nel.org,
        Song Liu <songliubraving@...com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Alexey Budankov <alexey.budankov@...ux.intel.com>,
        Namhyung Kim <namhyung@...nel.org>, Tejun Heo <tj@...nel.org>,
        lkp@...ts.01.org
Subject: [perf] 64a7f64478: perf-event-tests.check_reset_mpx.failed

FYI, we noticed the following commit (built with gcc-7):

commit: 64a7f64478e47ef861dc0d7a82c761489c89939a ("[PATCH v11] perf: Sharing PMU counters across compatible events")
url: https://github.com/0day-ci/linux/commits/Song-Liu/perf-Sharing-PMU-counters-across-compatible-events/20200307-081241


in testcase: perf-event-tests
with following parameters:

	paranoid: disallow_raw_tracepoint
	ucode: 0x27

test-description: The Perf Event Testsuite.
test-url: https://github.com/deater/perf_event_tests


on test machine: 8 threads Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz with 8G 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@...el.com>


* Checking for corner-cases in the ABI (not necessarily bugs)
  + tests/corner_cases/multiple_active
    Testing multiple simultaneous measurements...              PASSED
  + tests/corner_cases/max_num_events
    Testing max events that can be created...                  PASSED
  + tests/corner_cases/max_multiplex
    Testing limit of multiplexing...                           PASSED
  + tests/corner_cases/reset_leader
    Testing reset on group leader...                           PASSED
  + tests/corner_cases/check_reset_mpx
    Testing if reset clears multiplex fields...                FAILED
  + tests/corner_cases/huge_events_start
    Testing start of max events...                             PASSED
  + tests/corner_cases/huge_group_start
    Testing start of max event group...                        PASSED
  + tests/corner_cases/signal_after_close
    Testing signal after close...                              PASSED

* Checking for fast RDPMC support
  + tests/rdpmc/rdpmc_support
    Testing if userspace rdpmc reads are supported...          PASSED
  + tests/rdpmc/rdpmc_validation
    Testing if userspace rdpmc reads give expected results...  PASSED
  + tests/rdpmc/rdpmc_multiplexing
    Testing if userspace rdpmc multiplexing works...           PASSED
  + tests/rdpmc/rdpmc_reset
    Testing if resetting while using rdpmc works...            FAILED
  + tests/rdpmc/rdpmc_group
    Testing if rdpmc works with event groups...                FAILED
  + tests/rdpmc/rdpmc_attach
    Testing if rdpmc attach works...                           PASSED
  + tests/rdpmc/rdpmc_attach_cpu
    Testing if rdpmc behavior on attach CPU...                 FAILED
  + tests/rdpmc/rdpmc_attach_global_cpu
    Running on CPU 4
Testing if rdpmc behavior on attach all procs on other CPU... FAILED
  + tests/rdpmc/rdpmc_attach_other_cpu
    Testing if rdpmc behavior on attach other CPU...           FAILED
  + tests/rdpmc/rdpmc_multiattach
    Testing if rdpmc multi-attach works...                     PASSED
  + tests/rdpmc/rdpmc_multiattach_papi
    Testing if rdpmc papi-multi-attach works...                PASSED
  + tests/rdpmc/rdpmc_pthreads
    Testing if rdpmc with pthreads works...                    PASSED
  + tests/rdpmc/rdpmc_pthreads_group
    Testing if rdpmc with pthreads works...                    PASSED
  + tests/rdpmc/rdpmc_attach_multi_enable
    Testing if minimized rdpmc papi-multi-attach works...      PASSED
  + tests/rdpmc/rdpmc_exec
    Testing if we can rdpmc in execed process...               PASSED
  + tests/rdpmc/rdpmc_exec_papi
    Testing if we can rdpmc in execed process (PAPI) ...       PASSED


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


View attachment "config-5.6.0-rc4-00063-g64a7f64478e47" of type "text/plain" (203615 bytes)

View attachment "job-script" of type "text/plain" (5512 bytes)

Download attachment "kmsg.xz" of type "application/x-xz" (29904 bytes)

View attachment "perf-event-tests" of type "text/plain" (54472 bytes)

View attachment "job.yaml" of type "text/plain" (4594 bytes)

View attachment "reproduce" of type "text/plain" (16 bytes)