[PATCH i-g-t] tests/intel/xe_pmu: Skip tests involving engine activity on vm

[Soham Purkait]

Skip the tests and subtests involving the engine activity on vm
as engine activity events are not present on vm.

Signed-off-by: Soham Purkait <soham.purkait at intel.com>
---
 tests/intel/xe_pmu.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/tests/intel/xe_pmu.c b/tests/intel/xe_pmu.c
index 0e5a7360f..9ac9d38cf 100644
--- a/tests/intel/xe_pmu.c
+++ b/tests/intel/xe_pmu.c
@@ -113,6 +113,17 @@ static int total_exec_quantum;
 			igt_dynamic_f("engine-%s%d", xe_engine_class_string(hwe->engine_class), \
 				      hwe->engine_instance)
 
+static bool igt_is_running_on_vm(const char *device)
+{
+	char buf[512];
+
+	snprintf(buf, sizeof(buf),
+		 "/sys/bus/event_source/devices/%s/events/%s",
+		 device,
+		 "engine-active-ticks");
+	return (!!access(buf, F_OK));
+}
+
 static int open_pmu(int xe, uint64_t config)
 {
 	int fd;
@@ -191,6 +202,8 @@ static uint64_t get_event_config(unsigned int gt, struct drm_xe_engine_class_ins
 	uint64_t pmu_config = 0;
 	int ret;
 
+	igt_skip_on(igt_is_running_on_vm(xe_device));
+
 	ret = perf_event_config(xe_device, event, &pmu_config);
 	igt_assert(ret >= 0);
 	pmu_config |= add_format_config("gt", gt);
-- 
2.34.1