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-rw-r--r--tools/perf/tests/evsel-roundtrip-name.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/tools/perf/tests/evsel-roundtrip-name.c b/tools/perf/tests/evsel-roundtrip-name.c
new file mode 100644
index 0000000000..15ff86f9da
--- /dev/null
+++ b/tools/perf/tests/evsel-roundtrip-name.c
@@ -0,0 +1,104 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "evlist.h"
+#include "evsel.h"
+#include "parse-events.h"
+#include "tests.h"
+#include "debug.h"
+#include <linux/kernel.h>
+
+static int perf_evsel__roundtrip_cache_name_test(void)
+{
+ int ret = TEST_OK;
+
+ for (int type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
+ for (int op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
+ /* skip invalid cache type */
+ if (!evsel__is_cache_op_valid(type, op))
+ continue;
+
+ for (int res = 0; res < PERF_COUNT_HW_CACHE_RESULT_MAX; res++) {
+ char name[128];
+ struct evlist *evlist = evlist__new();
+ struct evsel *evsel;
+ int err;
+
+ if (evlist == NULL) {
+ pr_debug("Failed to alloc evlist");
+ return TEST_FAIL;
+ }
+ __evsel__hw_cache_type_op_res_name(type, op, res,
+ name, sizeof(name));
+
+ err = parse_event(evlist, name);
+ if (err) {
+ pr_debug("Failure to parse cache event '%s' possibly as PMUs don't support it",
+ name);
+ evlist__delete(evlist);
+ continue;
+ }
+ evlist__for_each_entry(evlist, evsel) {
+ if (strcmp(evsel__name(evsel), name)) {
+ pr_debug("%s != %s\n", evsel__name(evsel), name);
+ ret = TEST_FAIL;
+ }
+ }
+ evlist__delete(evlist);
+ }
+ }
+ }
+ return ret;
+}
+
+static int perf_evsel__name_array_test(const char *const names[], int nr_names)
+{
+ int ret = TEST_OK;
+
+ for (int i = 0; i < nr_names; ++i) {
+ struct evlist *evlist = evlist__new();
+ struct evsel *evsel;
+ int err;
+
+ if (evlist == NULL) {
+ pr_debug("Failed to alloc evlist");
+ return TEST_FAIL;
+ }
+ err = parse_event(evlist, names[i]);
+ if (err) {
+ pr_debug("failed to parse event '%s', err %d\n",
+ names[i], err);
+ evlist__delete(evlist);
+ ret = TEST_FAIL;
+ continue;
+ }
+ evlist__for_each_entry(evlist, evsel) {
+ if (strcmp(evsel__name(evsel), names[i])) {
+ pr_debug("%s != %s\n", evsel__name(evsel), names[i]);
+ ret = TEST_FAIL;
+ }
+ }
+ evlist__delete(evlist);
+ }
+ return ret;
+}
+
+static int test__perf_evsel__roundtrip_name_test(struct test_suite *test __maybe_unused,
+ int subtest __maybe_unused)
+{
+ int err = 0, ret = TEST_OK;
+
+ err = perf_evsel__name_array_test(evsel__hw_names, PERF_COUNT_HW_MAX);
+ if (err)
+ ret = err;
+
+ err = perf_evsel__name_array_test(evsel__sw_names, PERF_COUNT_SW_DUMMY + 1);
+ if (err)
+ ret = err;
+
+ err = perf_evsel__roundtrip_cache_name_test();
+ if (err)
+ ret = err;
+
+ return ret;
+}
+
+DEFINE_SUITE("Roundtrip evsel->name", perf_evsel__roundtrip_name_test);