Greeting, FYI, we noticed the following commit (built with gcc-9): commit: 47e5fbcdfb58f80641a7d1c997d1144e8e43d8bb ("perf: Better track self-monitoring events") https://git.kernel.org/cgit/linux/kernel/git/peterz/queue.git perf/wip.self in testcase: perf-sanity-tests version: perf-x86_64-09688c0166e7-1_20220314 with following parameters: perf_compiler: gcc ucode: 0xec on test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz with 32G 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 <oliver.sang(a)intel.com&gt; 2022-03-16 16:16:01 sudo /usr/src/perf_selftests-x86_64-rhel-8.3-func-47e5fbcdfb58f80641a7d1c997d1144e8e43d8bb/tools/perf/perf test 71 71: Convert perf time to TSC : 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://lists.01.org/hyperkitty/list/lkp@lists.01.org Thanks, Oliver Sang