GNU Linux-libre 4.19.211-gnu1
[releases.git] / tools / perf / tests / evsel-roundtrip-name.c
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 <errno.h>
8 #include <linux/kernel.h>
9
10 static int perf_evsel__roundtrip_cache_name_test(void)
11 {
12         char name[128];
13         int type, op, err = 0, ret = 0, i, idx;
14         struct perf_evsel *evsel;
15         struct perf_evlist *evlist = perf_evlist__new();
16
17         if (evlist == NULL)
18                 return -ENOMEM;
19
20         for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
21                 for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
22                         /* skip invalid cache type */
23                         if (!perf_evsel__is_cache_op_valid(type, op))
24                                 continue;
25
26                         for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
27                                 __perf_evsel__hw_cache_type_op_res_name(type, op, i,
28                                                                         name, sizeof(name));
29                                 err = parse_events(evlist, name, NULL);
30                                 if (err)
31                                         ret = err;
32                         }
33                 }
34         }
35
36         idx = 0;
37         evsel = perf_evlist__first(evlist);
38
39         for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
40                 for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
41                         /* skip invalid cache type */
42                         if (!perf_evsel__is_cache_op_valid(type, op))
43                                 continue;
44
45                         for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
46                                 __perf_evsel__hw_cache_type_op_res_name(type, op, i,
47                                                                         name, sizeof(name));
48                                 if (evsel->idx != idx)
49                                         continue;
50
51                                 ++idx;
52
53                                 if (strcmp(perf_evsel__name(evsel), name)) {
54                                         pr_debug("%s != %s\n", perf_evsel__name(evsel), name);
55                                         ret = -1;
56                                 }
57
58                                 evsel = perf_evsel__next(evsel);
59                         }
60                 }
61         }
62
63         perf_evlist__delete(evlist);
64         return ret;
65 }
66
67 static int __perf_evsel__name_array_test(const char *names[], int nr_names)
68 {
69         int i, err;
70         struct perf_evsel *evsel;
71         struct perf_evlist *evlist = perf_evlist__new();
72
73         if (evlist == NULL)
74                 return -ENOMEM;
75
76         for (i = 0; i < nr_names; ++i) {
77                 err = parse_events(evlist, names[i], NULL);
78                 if (err) {
79                         pr_debug("failed to parse event '%s', err %d\n",
80                                  names[i], err);
81                         goto out_delete_evlist;
82                 }
83         }
84
85         err = 0;
86         evlist__for_each_entry(evlist, evsel) {
87                 if (strcmp(perf_evsel__name(evsel), names[evsel->idx])) {
88                         --err;
89                         pr_debug("%s != %s\n", perf_evsel__name(evsel), names[evsel->idx]);
90                 }
91         }
92
93 out_delete_evlist:
94         perf_evlist__delete(evlist);
95         return err;
96 }
97
98 #define perf_evsel__name_array_test(names) \
99         __perf_evsel__name_array_test(names, ARRAY_SIZE(names))
100
101 int test__perf_evsel__roundtrip_name_test(struct test *test __maybe_unused, int subtest __maybe_unused)
102 {
103         int err = 0, ret = 0;
104
105         err = perf_evsel__name_array_test(perf_evsel__hw_names);
106         if (err)
107                 ret = err;
108
109         err = __perf_evsel__name_array_test(perf_evsel__sw_names,
110                                             PERF_COUNT_SW_DUMMY + 1);
111         if (err)
112                 ret = err;
113
114         err = perf_evsel__roundtrip_cache_name_test();
115         if (err)
116                 ret = err;
117
118         return ret;
119 }