Limit the maximum number of interrupts in order to avoid overburdening older CPUs and GPUs.
Signed-off-by: Chris Wilson <[email protected]> --- tests/perf_pmu.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/tests/perf_pmu.c b/tests/perf_pmu.c index 33fb4d653..e1bbf2410 100644 --- a/tests/perf_pmu.c +++ b/tests/perf_pmu.c @@ -1274,11 +1274,15 @@ static void cpu_hotplug(int gem_fd) assert_within_epsilon(val, ts[1] - ts[0], tolerance); } +static int target_num_interrupts(int i915) +{ + return min(gem_measure_ring_inflight(i915, I915_EXEC_DEFAULT, 0), 30); +} + static void test_interrupts(int gem_fd) { - const int target = - gem_measure_ring_inflight(gem_fd, I915_EXEC_DEFAULT, 0); + const int target = target_num_interrupts(gem_fd); const unsigned int test_duration_ms = 1000; igt_spin_t *spin[target]; struct pollfd pfd; @@ -1342,8 +1346,7 @@ test_interrupts(int gem_fd) static void test_interrupts_sync(int gem_fd) { - const int target = - gem_measure_ring_inflight(gem_fd, I915_EXEC_DEFAULT, 0); + const int target = target_num_interrupts(gem_fd); const unsigned int test_duration_ms = 1000; igt_spin_t *spin[target]; struct pollfd pfd; -- 2.24.0 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
