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 (!evsel__name_is(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 (!evsel__name_is(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(names: evsel__hw_names, nr_names: PERF_COUNT_HW_MAX);
90 if (err)
91 ret = err;
92
93 err = perf_evsel__name_array_test(names: evsel__sw_names, nr_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);
105

source code of linux/tools/perf/tests/evsel-roundtrip-name.c