[PATCH i-g-t v2 03/10] tests/intel/xe_drm_fdinfo: Add helper to read utilization for all classes

[Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>]

Add a helper that captures utilization for all classes.

Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
---
 tests/intel/xe_drm_fdinfo.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/tests/intel/xe_drm_fdinfo.c b/tests/intel/xe_drm_fdinfo.c
index b64bef339..c697f3e53 100644
--- a/tests/intel/xe_drm_fdinfo.c
+++ b/tests/intel/xe_drm_fdinfo.c
@@ -42,6 +42,11 @@ IGT_TEST_DESCRIPTION("Read and verify drm client memory consumption and engine u
 
 #define BO_SIZE (65536)
 
+struct pceu_cycles {
+	uint64_t cycles;
+	uint64_t total_cycles;
+};
+
 static const char *engine_map[] = {
 	"rcs",
 	"bcs",
@@ -49,6 +54,21 @@ static const char *engine_map[] = {
 	"vecs",
 	"ccs",
 };
+static void read_engine_cycles(int xe, struct pceu_cycles *pceu)
+{
+	struct drm_client_fdinfo info = { };
+	int class;
+
+	igt_assert(pceu);
+	igt_assert(igt_parse_drm_fdinfo(xe, &info, engine_map,
+					ARRAY_SIZE(engine_map), NULL, 0));
+
+	xe_for_each_engine_class(class) {
+		pceu[class].cycles = info.cycles[class];
+		pceu[class].total_cycles = info.total_cycles[class];
+	}
+}
+
 /* Subtests */
 static void test_active(int fd, struct drm_xe_engine *engine)
 {
-- 
2.38.1