Signed-off-by: Sagar Arun Kamble <[email protected]>
---
tests/intel_perf_dapc.c | 75 +++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 75 insertions(+)
diff --git a/tests/intel_perf_dapc.c b/tests/intel_perf_dapc.c
index a9903fb..1831a81 100644
--- a/tests/intel_perf_dapc.c
+++ b/tests/intel_perf_dapc.c
@@ -1066,6 +1066,78 @@ test_perf_tag(void)
igt_waitchildren();
}
+struct oa_ts_sample {
+ uint64_t ts;
+ uint8_t oa_report[];
+};
+
+static void
+verify_ts(uint8_t *perf_reports, int num_reports, size_t report_size)
+{
+ struct oa_ts_sample *sample;
+ uint32_t *oa_report;
+ uint64_t prev_ts = 0;
+
+ for (int i = 0; i < num_reports; i++) {
+ size_t offset = i * report_size;
+
+ sample = (struct oa_ts_sample *) (perf_reports + offset);
+ oa_report = (uint32_t *) sample->oa_report;
+
+ igt_debug("read report: ts= %lu, reason = %x, "
+ "timestamp = %x\n",
+ sample->ts, oa_report[0], oa_report[1]);
+
+ igt_assert(sample->ts > prev_ts);
+ prev_ts = sample->ts;
+ }
+}
+
+static void
+test_perf_ts(void)
+{
+ uint64_t properties[] = {
+ /* Include OA reports in samples */
+ DRM_I915_PERF_PROP_SAMPLE_OA, true,
+
+ /* OA unit configuration */
+ DRM_I915_PERF_PROP_OA_METRICS_SET, test_metric_set_id,
+ DRM_I915_PERF_PROP_OA_FORMAT, test_oa_format,
+ DRM_I915_PERF_PROP_OA_EXPONENT, oa_exp_1_millisec,
+
+ /* CS parameters */
+ DRM_I915_PERF_PROP_ENGINE, I915_EXEC_RENDER,
+ DRM_I915_PERF_PROP_SAMPLE_TS, true,
+ };
+ struct drm_i915_perf_open_param param = {
+ .flags = I915_PERF_FLAG_FD_CLOEXEC,
+ .num_properties = sizeof(properties) / 16,
+ .properties_ptr = to_user_pointer(properties),
+ };
+
+ /* should be default, but just to be sure... */
+ write_u64_file("/proc/sys/dev/i915/perf_stream_paranoid", 1);
+
+ igt_fork(child, 1) {
+ int prop_size = ARRAY_SIZE(properties);
+ int num_reports = 10;
+ int report_size = get_perf_report_size(properties, prop_size,
+ test_oa_format);
+ int total_size = num_reports * report_size;
+ uint8_t *perf_reports = malloc(total_size);
+
+ igt_assert(perf_reports);
+
+ perf_stream_capture_workload_samples(¶m, perf_reports,
+ num_reports, report_size,
+ NULL);
+ verify_ts(perf_reports, num_reports, report_size);
+ free(perf_reports);
+ }
+
+ igt_waitchildren();
+}
+
igt_main
{
igt_skip_on_simulation();
@@ -1096,6 +1168,9 @@ igt_main
igt_subtest("perf-tag")
test_perf_tag();
+ igt_subtest("perf-ts")
+ test_perf_ts();
+
igt_fixture {
close(drm_fd);
}
--
1.9.1
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