Re: [PATCH] perf/core: Improve arguments checking of inherited per-task counters when sampling.
From: kernel test robot
Date: Wed Aug 20 2025 - 03:19:03 EST
Hello,
kernel test robot noticed "perf-sanity-tests.Sigtrap.fail" on:
commit: d692062da890da0c9f0c6bb2d7818c635eecd2d7 ("[PATCH] perf/core: Improve arguments checking of inherited per-task counters when sampling.")
url: https://github.com/intel-lab-lkp/linux/commits/Chengdong-Li/perf-core-Improve-arguments-checking-of-inherited-per-task-counters-when-sampling/20250814-190823
base: https://git.kernel.org/cgit/linux/kernel/git/perf/perf-tools-next.git perf-tools-next
patch link: https://lore.kernel.org/all/20250814110625.84622-1-chengdongli@xxxxxxxxxxxxxx/
patch subject: [PATCH] perf/core: Improve arguments checking of inherited per-task counters when sampling.
in testcase: perf-sanity-tests
version:
with following parameters:
perf_compiler: gcc
group: group-01
config: x86_64-rhel-9.4-bpf
compiler: gcc-12
test machine: 20 threads 1 sockets (Commet Lake) with 16G memory
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-lkp/202508200832.1aec09e3-lkp@xxxxxxxxx
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20250820/202508200832.1aec09e3-lkp@xxxxxxxxx
2025-08-18 01:23:06 sudo /usr/src/linux-perf-x86_64-rhel-9.4-bpf-d692062da890da0c9f0c6bb2d7818c635eecd2d7/tools/perf/perf test 65 -v
65: Sigtrap : Running (1 active)
--- start ---
test child forked, pid 7414
FAILED sys_perf_event_open(): Invalid argument
---- end(-1) ----
65: Sigtrap : FAILED!
--
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