1 files changed, 130 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/pmu/event_code_tests/generic_events_valid_test.c b/tools/testing/selftests/powerpc/pmu/event_code_tests/generic_events_valid_test.c
new file mode 100644
index 000000000000..0d237c15d3f2
--- /dev/null
+++ b/tools/testing/selftests/powerpc/pmu/event_code_tests/generic_events_valid_test.c
@@ -0,0 +1,130 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2022, Athira Rajeev, IBM Corp.
+ */
+
+#include <stdio.h>
+#include <sys/prctl.h>
+#include <limits.h>
+#include "../event.h"
+#include "../sampling_tests/misc.h"
+
+/*
+ * Testcase to ensure that using invalid event in generic
+ * event for PERF_TYPE_HARDWARE should fail
+ */
+
+static int generic_events_valid_test(void)
+{
+	struct event event;
+
+	/* Check for platform support for the test */
+	SKIP_IF(platform_check_for_tests());
+
+	/* generic events is different in compat_mode */
+	SKIP_IF(check_for_generic_compat_pmu());
+
+	/*
+	 * Invalid generic events in power10:
+	 * - PERF_COUNT_HW_BUS_CYCLES
+	 * - PERF_COUNT_HW_STALLED_CYCLES_FRONTEND
+	 * - PERF_COUNT_HW_STALLED_CYCLES_BACKEND
+	 * - PERF_COUNT_HW_REF_CPU_CYCLES
+	 */
+	if (PVR_VER(mfspr(SPRN_PVR)) == POWER10) {
+		event_init_opts(&event, PERF_COUNT_HW_CPU_CYCLES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_INSTRUCTIONS,
+				PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_CACHE_REFERENCES,
+				PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_CACHE_MISSES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_BRANCH_INSTRUCTIONS,
+				PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_BRANCH_MISSES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_BUS_CYCLES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(!event_open(&event));
+
+		event_init_opts(&event, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND,
+				PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(!event_open(&event));
+
+		event_init_opts(&event, PERF_COUNT_HW_STALLED_CYCLES_BACKEND,
+				PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(!event_open(&event));
+
+		event_init_opts(&event, PERF_COUNT_HW_REF_CPU_CYCLES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(!event_open(&event));
+	} else if (PVR_VER(mfspr(SPRN_PVR)) == POWER9) {
+		/*
+		 * Invalid generic events in power9:
+		 * - PERF_COUNT_HW_BUS_CYCLES
+		 * - PERF_COUNT_HW_REF_CPU_CYCLES
+		 */
+		event_init_opts(&event, PERF_COUNT_HW_CPU_CYCLES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_INSTRUCTIONS, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_CACHE_REFERENCES,
+				PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_CACHE_MISSES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_BRANCH_INSTRUCTIONS,
+				PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_BRANCH_MISSES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_BUS_CYCLES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(!event_open(&event));
+
+		event_init_opts(&event, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND,
+				PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_STALLED_CYCLES_BACKEND,
+				PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(event_open(&event));
+		event_close(&event);
+
+		event_init_opts(&event, PERF_COUNT_HW_REF_CPU_CYCLES, PERF_TYPE_HARDWARE, "event");
+		FAIL_IF(!event_open(&event));
+	}
+
+	return 0;
+}
+
+int main(void)
+{
+	return test_harness(generic_events_valid_test, "generic_events_valid_test");
+}