Hello, kernel test robot noticed "perf-test.perf_pmu_event_count_group.count_group_cpu/branch-misses/_cpu/topdown-heavy-ops/_cpu/branch-misses/_R0.fail" on: commit: a4c7d7c502b935f3a8324d954de78aecf6940897 ("perf parse-events: Warn when events are regrouped") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [test failed on linux-next/master 6a3d37b4d885129561e1cef361216f00472f7d2e] in testcase: perf-test version: perf-test-x86_64-git-1_20220520 with following parameters: type: lkp group: group-00 test-description: The internal Perf Test suite. compiler: gcc-11 test machine: 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480+ (Sapphire Rapids) with 256G memory (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue, kindly add following tag | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202305291525.df3ce28d-oliver.sang@intel.com perf kernel cpu PMU event count group test Sun May 28 06:51:04 UTC 2023 1 test cases pass for perf_pmu_event_count_group test. 1 test cases fail for perf_pmu_event_count_group test. Test Case count_group_cpu/topdown-fetch-lat/_cpu/mem-loads-aux/_cpu/branch-instructions/_R1 PASS! Test Case count_group_cpu/branch-misses/_cpu/topdown-heavy-ops/_cpu/branch-misses/_R0 FAILED! 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://github.com/intel/lkp-tests/wiki