igt@blocking@perf - fail - CRITICAL: Test assertion failure function test_blocking CRITICAL: Failed assertion: n <= (max_iterations + n_extra_iterations) CRITICAL: error: 371 > 369

log on intel-gfx-ci.01.org

Starting dynamic subtest: 0-rcs0
(perf:1080) CRITICAL: Test assertion failure function test_blocking, file ../tests/intel/perf.c:2534:
(perf:1080) CRITICAL: Failed assertion: n <= (max_iterations + n_extra_iterations)
(perf:1080) CRITICAL: error: 371 > 369
Dynamic subtest 0-rcs0 failed.
**** DEBUG ****
(perf:1080) DEBUG: engine 0:0 - TestOa metric set UUID = 23f51139-6973-4b45-a211-778834ce2c9a
(perf:1080) DEBUG: tick length = 10000000ns, test duration = 10000000000ns, min iter. = 300, estimated max iter. = 368, oa_period = 27.307ms
(perf:1080) DEBUG: 371 blocking reads during test with 36 Hz OA sampling (expect no more than 368)
(perf:1080) DEBUG: 1 extra iterations seen, not related to periodic sampling (e.g. context switches)
(perf:1080) DEBUG: time in userspace = 0ns (+-10000000ns) (start utime = 0, end = 0)
(perf:1080) DEBUG: time in kernelspace = 10000000ns (+-10000000ns) (start stime = 15, end = 16)
(perf:1080) CRITICAL: Test assertion failure function test_blocking, file ../tests/intel/perf.c:2534:
(perf:1080) CRITICAL: Failed assertion: n <= (max_iterations + n_extra_iterations)
(perf:1080) CRITICAL: error: 371 > 369
(perf:1080) igt_core-INFO: Stack trace:
(perf:1080) igt_core-INFO:   #0 ../lib/igt_core.c:2051 __igt_fail_assert()
(perf:1080) igt_core-INFO:   #1 ../tests/intel/perf.c:2542 test_blocking()
(perf:1080) igt_core-INFO:   #2 ../tests/intel/perf.c:5970 __igt_unique____real_main5860()```