1// SPDX-License-Identifier: GPL-2.0
  2#include "evlist.h"
  3#include "evsel.h"
  4#include "parse-events.h"
  5#include "tests.h"
  6#include "debug.h"
  7#include <linux/kernel.h>
  8
  9static int perf_evsel__roundtrip_cache_name_test(void)
 10{
 11	int ret = TEST_OK;
 12
 13	for (int type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
 14		for (int op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
 15			/* skip invalid cache type */
 16			if (!evsel__is_cache_op_valid(type, op))
 17				continue;
 18
 19			for (int res = 0; res < PERF_COUNT_HW_CACHE_RESULT_MAX; res++) {
 20				char name[128];
 21				struct evlist *evlist = evlist__new();
 22				struct evsel *evsel;
 23				int err;
 24
 25				if (evlist == NULL) {
 26					pr_debug("Failed to alloc evlist");
 27					return TEST_FAIL;
 28				}
 29				__evsel__hw_cache_type_op_res_name(type, op, res,
 30								name, sizeof(name));
 31
 32				err = parse_event(evlist, name);
 33				if (err) {
 34					pr_debug("Failure to parse cache event '%s' possibly as PMUs don't support it",
 35						name);
 36					evlist__delete(evlist);
 37					continue;
 38				}
 39				evlist__for_each_entry(evlist, evsel) {
 40					if (strcmp(evsel__name(evsel), name)) {
 41						pr_debug("%s != %s\n", evsel__name(evsel), name);
 42						ret = TEST_FAIL;
 43					}
 44				}
 45				evlist__delete(evlist);
 46			}
 47		}
 48	}
 49	return ret;
 50}
 51
 52static int perf_evsel__name_array_test(const char *const names[], int nr_names)
 53{
 54	int ret = TEST_OK;
 55
 56	for (int i = 0; i < nr_names; ++i) {
 57		struct evlist *evlist = evlist__new();
 58		struct evsel *evsel;
 59		int err;
 60
 61		if (evlist == NULL) {
 62			pr_debug("Failed to alloc evlist");
 63			return TEST_FAIL;
 64		}
 65		err = parse_event(evlist, names[i]);
 66		if (err) {
 67			pr_debug("failed to parse event '%s', err %d\n",
 68				 names[i], err);
 69			evlist__delete(evlist);
 70			ret = TEST_FAIL;
 71			continue;
 72		}
 73		evlist__for_each_entry(evlist, evsel) {
 74			if (strcmp(evsel__name(evsel), names[i])) {
 75				pr_debug("%s != %s\n", evsel__name(evsel), names[i]);
 76				ret = TEST_FAIL;
 77			}
 78		}
 79		evlist__delete(evlist);
 80	}
 81	return ret;
 82}
 83
 84static int test__perf_evsel__roundtrip_name_test(struct test_suite *test __maybe_unused,
 85						 int subtest __maybe_unused)
 86{
 87	int err = 0, ret = TEST_OK;
 88
 89	err = perf_evsel__name_array_test(evsel__hw_names, PERF_COUNT_HW_MAX);
 90	if (err)
 91		ret = err;
 92
 93	err = perf_evsel__name_array_test(evsel__sw_names, PERF_COUNT_SW_DUMMY + 1);
 94	if (err)
 95		ret = err;
 96
 97	err = perf_evsel__roundtrip_cache_name_test();
 98	if (err)
 99		ret = err;
100
101	return ret;
102}
103
104DEFINE_SUITE("Roundtrip evsel->name", perf_evsel__roundtrip_name_test);