diff options
| author | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2018-02-15 11:25:15 +0000 |
|---|---|---|
| committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2018-02-15 13:40:45 +0000 |
| commit | f2ac5601be25c683e89f7b6ee704c1b1b9eb1b30 (patch) | |
| tree | 77f8b3616451f068f6522057171c39a07b9b103c /tests/perf_pmu.c | |
| parent | 64c216764e059f51b653b3bbfaf4776d1903f141 (diff) | |
tests/perf_pmu: Log perf timestamp in semaphore wait tests
We need more data to debug sporadic test failures.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'tests/perf_pmu.c')
| -rw-r--r-- | tests/perf_pmu.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/tests/perf_pmu.c b/tests/perf_pmu.c index a7501ca5..7d9c42d1 100644 --- a/tests/perf_pmu.c +++ b/tests/perf_pmu.c @@ -561,7 +561,7 @@ sema_wait(int gem_fd, const struct intel_execution_engine2 *e, unsigned long slept; uint32_t *obj_ptr; uint32_t batch[16]; - uint64_t val[2]; + uint64_t val[2], ts[2]; int fd; igt_require(intel_gen(intel_get_drm_devid(gem_fd)) >= 8); @@ -629,13 +629,15 @@ sema_wait(int gem_fd, const struct intel_execution_engine2 *e, igt_assert_f(igt_wait(pmu_read_single(fd) != val[0], 10, 1), "sampling failed to start withing 10ms"); - val[0] = pmu_read_single(fd); + val[0] = __pmu_read_single(fd, &ts[0]); slept = measured_usleep(batch_duration_ns / 1000); if (flags & TEST_TRAILING_IDLE) obj_ptr[0] = 1; - val[1] = pmu_read_single(fd); - igt_debug("slept %.3fms, sampled %.3fms\n", - slept*1e-6, (val[1] - val[0])*1e-6); + val[1] = __pmu_read_single(fd, &ts[1]); + igt_debug("slept %.3fms (perf %.3fms), sampled %.3fms\n", + slept * 1e-6, + (ts[1] - ts[0]) * 1e-6, + (val[1] - val[0]) * 1e-6); obj_ptr[0] = 1; gem_sync(gem_fd, bb_handle); |