1 files changed, 111 insertions, 0 deletions
diff --git a/tools/perf/tests/tool_pmu.c b/tools/perf/tests/tool_pmu.c
new file mode 100644
index 000000000000..187942b749b7
--- /dev/null
+++ b/tools/perf/tests/tool_pmu.c
@@ -0,0 +1,111 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+#include "debug.h"
+#include "evlist.h"
+#include "parse-events.h"
+#include "tests.h"
+#include "tool_pmu.h"
+
+static int do_test(enum tool_pmu_event ev, bool with_pmu)
+{
+	struct evlist *evlist = evlist__new();
+	struct evsel *evsel;
+	struct parse_events_error err;
+	int ret;
+	char str[128];
+	bool found = false;
+
+	if (!evlist) {
+		pr_err("evlist allocation failed\n");
+		return TEST_FAIL;
+	}
+
+	if (with_pmu)
+		snprintf(str, sizeof(str), "tool/%s/", tool_pmu__event_to_str(ev));
+	else
+		snprintf(str, sizeof(str), "%s", tool_pmu__event_to_str(ev));
+
+	parse_events_error__init(&err);
+	ret = parse_events(evlist, str, &err);
+	if (ret) {
+		if (tool_pmu__skip_event(tool_pmu__event_to_str(ev))) {
+			ret = TEST_OK;
+			goto out;
+		}
+
+		pr_debug("FAILED %s:%d failed to parse event '%s', err %d\n",
+			 __FILE__, __LINE__, str, ret);
+		parse_events_error__print(&err, str);
+		ret = TEST_FAIL;
+		goto out;
+	}
+
+	ret = TEST_OK;
+	if (with_pmu ? (evlist->core.nr_entries != 1) : (evlist->core.nr_entries < 1)) {
+		pr_debug("FAILED %s:%d Unexpected number of events for '%s' of %d\n",
+			 __FILE__, __LINE__, str, evlist->core.nr_entries);
+		ret = TEST_FAIL;
+		goto out;
+	}
+
+	evlist__for_each_entry(evlist, evsel) {
+		if (perf_pmu__is_tool(evsel->pmu)) {
+			if (evsel->core.attr.config != ev) {
+				pr_debug("FAILED %s:%d Unexpected config for '%s', %lld != %d\n",
+					__FILE__, __LINE__, str, evsel->core.attr.config, ev);
+				ret = TEST_FAIL;
+				goto out;
+			}
+			found = true;
+		}
+	}
+
+	if (!found && !tool_pmu__skip_event(tool_pmu__event_to_str(ev))) {
+		pr_debug("FAILED %s:%d Didn't find tool event '%s' in parsed evsels\n",
+			 __FILE__, __LINE__, str);
+		ret = TEST_FAIL;
+	}
+
+out:
+	parse_events_error__exit(&err);
+	evlist__delete(evlist);
+	return ret;
+}
+
+static int test__tool_pmu_without_pmu(struct test_suite *test __maybe_unused,
+				      int subtest __maybe_unused)
+{
+	int i;
+
+	tool_pmu__for_each_event(i) {
+		int ret = do_test(i, /*with_pmu=*/false);
+
+		if (ret != TEST_OK)
+			return ret;
+	}
+	return TEST_OK;
+}
+
+static int test__tool_pmu_with_pmu(struct test_suite *test __maybe_unused,
+				   int subtest __maybe_unused)
+{
+	int i;
+
+	tool_pmu__for_each_event(i) {
+		int ret = do_test(i, /*with_pmu=*/true);
+
+		if (ret != TEST_OK)
+			return ret;
+	}
+	return TEST_OK;
+}
+
+static struct test_case tests__tool_pmu[] = {
+	TEST_CASE("Parsing without PMU name", tool_pmu_without_pmu),
+	TEST_CASE("Parsing with PMU name", tool_pmu_with_pmu),
+	{	.name = NULL, }
+};
+
+struct test_suite suite__tool_pmu = {
+	.desc = "Tool PMU",
+	.test_cases = tests__tool_pmu,
+};