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
perf_evsel__roundtrip_cache_name_test(void)12 static 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_events(evlist, name, NULL);
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
__perf_evsel__name_array_test(const char * const names[],int nr_names,int distance)67 static 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_events(evlist, names[i], NULL);
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
94 out_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
test__perf_evsel__roundtrip_name_test(struct test_suite * test __maybe_unused,int subtest __maybe_unused)102 static 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
125 DEFINE_SUITE("Roundtrip evsel->name", perf_evsel__roundtrip_name_test);
126