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 <[email protected]>
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/[email protected]
Thanks,
Oliver Sang