Hello, kernel test robot noticed "perf-sanity-tests.Test_dwarf_unwind.fail" on: commit: ec417ad4c691b5d90ab13cf26789e8719468ae39 ("perf map: Changes to reference counting") https://git.kernel.org/cgit/linux/kernel/git/acme/linux.git tmp.perf/core [test failed on linux-next/master 44bf136283e567b2b62653be7630e7511da41da2] in testcase: perf-sanity-tests version: perf-x86_64-00c7b5f4ddc5-1_20230402 with following parameters: perf_compiler: gcc compiler: gcc-11 test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz (Kaby Lake) with 32G memory (please refer to attached dmesg/kmsg for entire log/backtrace) we also noticed below test failed on this commit but pass on parent: 392cf49ec54f0c7b ec417ad4c691b5d90ab13cf2678 ---------------- --------------------------- fail:runs %reproduction fail:runs | | | :6 33% 2:2 perf-sanity-tests.Check_branch_stack_sampling.fail :6 33% 2:2 perf-sanity-tests.Test_dwarf_unwind.fail :6 33% 2:2 perf-sanity-tests.perf_record_tests.fail If you fix the issue, kindly add following tag | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-lkp/202304211253.cbcd33b7-oliver.sang@intel.com 2023-04-20 17:08:51 sudo /usr/src/perf_selftests-x86_64-rhel-8.3-func-ec417ad4c691b5d90ab13cf26789e8719468ae39/tools/perf/perf test 76 76: Test dwarf unwind : FAILED! ... 2023-04-20 17:09:39 sudo /usr/src/perf_selftests-x86_64-rhel-8.3-func-ec417ad4c691b5d90ab13cf26789e8719468ae39/tools/perf/perf test 94 94: perf record tests : FAILED! ... 2023-04-20 17:16:40 sudo /usr/src/perf_selftests-x86_64-rhel-8.3-func-ec417ad4c691b5d90ab13cf26789e8719468ae39/tools/perf/perf test 110 110: Check branch stack sampling : 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