[PATCH i-g-t v2 09/10] tests/intel/xe_drm_fdinfo: Add tests for parallel engines

[Umesh Nerlige Ramappa]

Add tests to verify utilization on parallel engines.

v2:
- s/measured_usleep/usleep
- remove xe_ prefix from helpers/structures

Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa at intel.com>
---
 tests/intel/xe_drm_fdinfo.c | 34 +++++++++++++++++++++++++++++++---
 1 file changed, 31 insertions(+), 3 deletions(-)

diff --git a/tests/intel/xe_drm_fdinfo.c b/tests/intel/xe_drm_fdinfo.c
index 5a3cd776c..f1e06991c 100644
--- a/tests/intel/xe_drm_fdinfo.c
+++ b/tests/intel/xe_drm_fdinfo.c
@@ -58,6 +58,18 @@
  * SUBTEST: drm-virtual-busy-idle-isolation
  * Description: Check that virtual engine load does not spill over to other drm clients
  *
+ * SUBTEST: drm-parallel-idle
+ * Description: Check that parallel engines show no load when idle
+ *
+ * SUBTEST: drm-parallel-busy-idle
+ * Description: Check that parallel engines show load when idle after busy
+ *
+ * SUBTEST: drm-parallel-all-busy-idle-check-all
+ * Description: Check that all parallel engines show busy when loaded
+ *
+ * SUBTEST: drm-parallel-busy-idle-isolation
+ * Description: Check that parallel engine load does not spill over to other drm clients
+ *
  * SUBTEST: drm-total-resident
  * Description: Create and compare total and resident memory consumption by client
  *
@@ -76,6 +88,7 @@ IGT_TEST_DESCRIPTION("Read and verify drm client memory consumption and engine u
 #define TEST_BUSY		(1 << 0)
 #define TEST_TRAILING_IDLE	(1 << 1)
 #define TEST_ISOLATION		(1 << 2)
+#define EXEC_PARALLEL		(1 << 16)
 
 struct pceu_cycles {
 	uint64_t cycles;
@@ -723,8 +736,8 @@ multi_all_busy_check_all(int fd, unsigned int flags)
 		xe_for_each_multi_engine(fd, hwe, count) {
 			class = hwe->engine_class;
 			ctx[class] = spin_ctx_init(fd, hwe, vm,
-						      1,
-						      count);
+						   flags & EXEC_PARALLEL ? count : 1,
+						   flags & EXEC_PARALLEL ? 1 : count);
 			spin_sync_start(fd, ctx[class]);
 		}
 	}
@@ -741,7 +754,7 @@ multi_all_busy_check_all(int fd, unsigned int flags)
 	xe_for_each_multi_engine(fd, hwe, count) {
 		class = hwe->engine_class;
 		check_results(pceu1, pceu2, class,
-			      1,
+			      flags & EXEC_PARALLEL ? count : 1,
 			      flags);
 		spin_sync_end(fd, ctx[class]);
 		spin_ctx_destroy(fd, ctx[class]);
@@ -809,6 +822,21 @@ igt_main
 		xe_for_each_multi_engine(xe, hwe, count)
 			single(xe, hwe, 1, count, TEST_BUSY | TEST_TRAILING_IDLE | TEST_ISOLATION);
 
+	igt_subtest("drm-parallel-idle")
+		xe_for_each_multi_engine(xe, hwe, count)
+			single(xe, hwe, count, 1, 0);
+
+	igt_subtest("drm-parallel-busy-idle")
+		xe_for_each_multi_engine(xe, hwe, count)
+			single(xe, hwe, count, 1, TEST_BUSY | TEST_TRAILING_IDLE);
+
+	igt_subtest("drm-parallel-all-busy-idle-check-all")
+		multi_all_busy_check_all(xe, TEST_BUSY | TEST_TRAILING_IDLE | EXEC_PARALLEL);
+
+	igt_subtest("drm-parallel-busy-idle-isolation")
+		xe_for_each_multi_engine(xe, hwe, count)
+			single(xe, hwe, count, 1, TEST_BUSY | TEST_TRAILING_IDLE | TEST_ISOLATION);
+
 	igt_describe("Create and compare total and resident memory consumption by client");
 	igt_subtest("drm-total-resident")
 		test_total_resident(xe);
-- 
2.38.1