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 "pmu.h"
  8#include "pmu-hybrid.h"
  9#include <errno.h>
 10#include <linux/kernel.h>
 11
 12static int perf_evsel__roundtrip_cache_name_test(void)
 13{
 14	char name[128];
 15	int type, op, err = 0, ret = 0, i, idx;
 16	struct evsel *evsel;
 17	struct evlist *evlist = evlist__new();
 18
 19        if (evlist == NULL)
 20                return -ENOMEM;
 21
 22	for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
 23		for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
 24			/* skip invalid cache type */
 25			if (!evsel__is_cache_op_valid(type, op))
 26				continue;
 27
 28			for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
 29				__evsel__hw_cache_type_op_res_name(type, op, i, name, sizeof(name));
 30				err = parse_event(evlist, name);
 31				if (err)
 32					ret = err;
 33			}
 34		}
 35	}
 36
 37	idx = 0;
 38	evsel = evlist__first(evlist);
 39
 40	for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
 41		for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
 42			/* skip invalid cache type */
 43			if (!evsel__is_cache_op_valid(type, op))
 44				continue;
 45
 46			for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
 47				__evsel__hw_cache_type_op_res_name(type, op, i, name, sizeof(name));
 48				if (evsel->core.idx != idx)
 49					continue;
 50
 51				++idx;
 52
 53				if (strcmp(evsel__name(evsel), name)) {
 54					pr_debug("%s != %s\n", evsel__name(evsel), name);
 55					ret = -1;
 56				}
 57
 58				evsel = evsel__next(evsel);
 59			}
 60		}
 61	}
 62
 63	evlist__delete(evlist);
 64	return ret;
 65}
 66
 67static int __perf_evsel__name_array_test(const char *const names[], int nr_names,
 68					 int distance)
 69{
 70	int i, err;
 71	struct evsel *evsel;
 72	struct evlist *evlist = evlist__new();
 73
 74        if (evlist == NULL)
 75                return -ENOMEM;
 76
 77	for (i = 0; i < nr_names; ++i) {
 78		err = parse_event(evlist, names[i]);
 79		if (err) {
 80			pr_debug("failed to parse event '%s', err %d\n",
 81				 names[i], err);
 82			goto out_delete_evlist;
 83		}
 84	}
 85
 86	err = 0;
 87	evlist__for_each_entry(evlist, evsel) {
 88		if (strcmp(evsel__name(evsel), names[evsel->core.idx / distance])) {
 89			--err;
 90			pr_debug("%s != %s\n", evsel__name(evsel), names[evsel->core.idx / distance]);
 91		}
 92	}
 93
 94out_delete_evlist:
 95	evlist__delete(evlist);
 96	return err;
 97}
 98
 99#define perf_evsel__name_array_test(names, distance) \
100	__perf_evsel__name_array_test(names, ARRAY_SIZE(names), distance)
101
102static int test__perf_evsel__roundtrip_name_test(struct test_suite *test __maybe_unused,
103						 int subtest __maybe_unused)
104{
105	int err = 0, ret = 0;
106
107	if (perf_pmu__has_hybrid() && perf_pmu__hybrid_mounted("cpu_atom"))
108		return perf_evsel__name_array_test(evsel__hw_names, 2);
109
110	err = perf_evsel__name_array_test(evsel__hw_names, 1);
111	if (err)
112		ret = err;
113
114	err = __perf_evsel__name_array_test(evsel__sw_names, PERF_COUNT_SW_DUMMY + 1, 1);
115	if (err)
116		ret = err;
117
118	err = perf_evsel__roundtrip_cache_name_test();
119	if (err)
120		ret = err;
121
122	return ret;
123}
124
125DEFINE_SUITE("Roundtrip evsel->name", perf_evsel__roundtrip_name_test);