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-rw-r--r--tools/perf/tests/evsel-roundtrip-name.c116
1 files changed, 116 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 000000000..f7f3e5b4c
--- /dev/null
+++ b/tools/perf/tests/evsel-roundtrip-name.c
@@ -0,0 +1,116 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "evlist.h"
+#include "evsel.h"
+#include "parse-events.h"
+#include "tests.h"
+#include "debug.h"
+#include <errno.h>
+#include <linux/kernel.h>
+
+static int perf_evsel__roundtrip_cache_name_test(void)
+{
+ char name[128];
+ int type, op, err = 0, ret = 0, i, idx;
+ struct evsel *evsel;
+ struct evlist *evlist = evlist__new();
+
+ if (evlist == NULL)
+ return -ENOMEM;
+
+ for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
+ for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
+ /* skip invalid cache type */
+ if (!evsel__is_cache_op_valid(type, op))
+ continue;
+
+ for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
+ __evsel__hw_cache_type_op_res_name(type, op, i, name, sizeof(name));
+ err = parse_events(evlist, name, NULL);
+ if (err)
+ ret = err;
+ }
+ }
+ }
+
+ idx = 0;
+ evsel = evlist__first(evlist);
+
+ for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
+ for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
+ /* skip invalid cache type */
+ if (!evsel__is_cache_op_valid(type, op))
+ continue;
+
+ for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
+ __evsel__hw_cache_type_op_res_name(type, op, i, name, sizeof(name));
+ if (evsel->idx != idx)
+ continue;
+
+ ++idx;
+
+ if (strcmp(evsel__name(evsel), name)) {
+ pr_debug("%s != %s\n", evsel__name(evsel), name);
+ ret = -1;
+ }
+
+ evsel = evsel__next(evsel);
+ }
+ }
+ }
+
+ evlist__delete(evlist);
+ return ret;
+}
+
+static int __perf_evsel__name_array_test(const char *names[], int nr_names)
+{
+ int i, err;
+ struct evsel *evsel;
+ struct evlist *evlist = evlist__new();
+
+ if (evlist == NULL)
+ return -ENOMEM;
+
+ for (i = 0; i < nr_names; ++i) {
+ err = parse_events(evlist, names[i], NULL);
+ if (err) {
+ pr_debug("failed to parse event '%s', err %d\n",
+ names[i], err);
+ goto out_delete_evlist;
+ }
+ }
+
+ err = 0;
+ evlist__for_each_entry(evlist, evsel) {
+ if (strcmp(evsel__name(evsel), names[evsel->idx])) {
+ --err;
+ pr_debug("%s != %s\n", evsel__name(evsel), names[evsel->idx]);
+ }
+ }
+
+out_delete_evlist:
+ evlist__delete(evlist);
+ return err;
+}
+
+#define perf_evsel__name_array_test(names) \
+ __perf_evsel__name_array_test(names, ARRAY_SIZE(names))
+
+int test__perf_evsel__roundtrip_name_test(struct test *test __maybe_unused, int subtest __maybe_unused)
+{
+ int err = 0, ret = 0;
+
+ err = perf_evsel__name_array_test(evsel__hw_names);
+ 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;
+}