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1// SPDX-License-Identifier: GPL-2.0
2#include <stdlib.h>
3#include <sys/types.h>
4#include <unistd.h>
5#include <sys/prctl.h>
6#include "tests.h"
7#include "thread_map.h"
8#include "debug.h"
9
10#define NAME (const char *) "perf"
11#define NAMEUL (unsigned long) NAME
12
13int test__thread_map(struct test *test __maybe_unused, int subtest __maybe_unused)
14{
15 struct thread_map *map;
16
17 TEST_ASSERT_VAL("failed to set process name",
18 !prctl(PR_SET_NAME, NAMEUL, 0, 0, 0));
19
20 /* test map on current pid */
21 map = thread_map__new_by_pid(getpid());
22 TEST_ASSERT_VAL("failed to alloc map", map);
23
24 thread_map__read_comms(map);
25
26 TEST_ASSERT_VAL("wrong nr", map->nr == 1);
27 TEST_ASSERT_VAL("wrong pid",
28 thread_map__pid(map, 0) == getpid());
29 TEST_ASSERT_VAL("wrong comm",
30 thread_map__comm(map, 0) &&
31 !strcmp(thread_map__comm(map, 0), NAME));
32 TEST_ASSERT_VAL("wrong refcnt",
33 refcount_read(&map->refcnt) == 1);
34 thread_map__put(map);
35
36 /* test dummy pid */
37 map = thread_map__new_dummy();
38 TEST_ASSERT_VAL("failed to alloc map", map);
39
40 thread_map__read_comms(map);
41
42 TEST_ASSERT_VAL("wrong nr", map->nr == 1);
43 TEST_ASSERT_VAL("wrong pid", thread_map__pid(map, 0) == -1);
44 TEST_ASSERT_VAL("wrong comm",
45 thread_map__comm(map, 0) &&
46 !strcmp(thread_map__comm(map, 0), "dummy"));
47 TEST_ASSERT_VAL("wrong refcnt",
48 refcount_read(&map->refcnt) == 1);
49 thread_map__put(map);
50 return 0;
51}
52
53static int process_event(struct perf_tool *tool __maybe_unused,
54 union perf_event *event,
55 struct perf_sample *sample __maybe_unused,
56 struct machine *machine __maybe_unused)
57{
58 struct thread_map_event *map = &event->thread_map;
59 struct thread_map *threads;
60
61 TEST_ASSERT_VAL("wrong nr", map->nr == 1);
62 TEST_ASSERT_VAL("wrong pid", map->entries[0].pid == (u64) getpid());
63 TEST_ASSERT_VAL("wrong comm", !strcmp(map->entries[0].comm, NAME));
64
65 threads = thread_map__new_event(&event->thread_map);
66 TEST_ASSERT_VAL("failed to alloc map", threads);
67
68 TEST_ASSERT_VAL("wrong nr", threads->nr == 1);
69 TEST_ASSERT_VAL("wrong pid",
70 thread_map__pid(threads, 0) == getpid());
71 TEST_ASSERT_VAL("wrong comm",
72 thread_map__comm(threads, 0) &&
73 !strcmp(thread_map__comm(threads, 0), NAME));
74 TEST_ASSERT_VAL("wrong refcnt",
75 refcount_read(&threads->refcnt) == 1);
76 thread_map__put(threads);
77 return 0;
78}
79
80int test__thread_map_synthesize(struct test *test __maybe_unused, int subtest __maybe_unused)
81{
82 struct thread_map *threads;
83
84 TEST_ASSERT_VAL("failed to set process name",
85 !prctl(PR_SET_NAME, NAMEUL, 0, 0, 0));
86
87 /* test map on current pid */
88 threads = thread_map__new_by_pid(getpid());
89 TEST_ASSERT_VAL("failed to alloc map", threads);
90
91 thread_map__read_comms(threads);
92
93 TEST_ASSERT_VAL("failed to synthesize map",
94 !perf_event__synthesize_thread_map2(NULL, threads, process_event, NULL));
95
96 return 0;
97}
98
99int test__thread_map_remove(struct test *test __maybe_unused, int subtest __maybe_unused)
100{
101 struct thread_map *threads;
102 char *str;
103 int i;
104
105 TEST_ASSERT_VAL("failed to allocate map string",
106 asprintf(&str, "%d,%d", getpid(), getppid()) >= 0);
107
108 threads = thread_map__new_str(str, NULL, 0, false);
109
110 TEST_ASSERT_VAL("failed to allocate thread_map",
111 threads);
112
113 if (verbose > 0)
114 thread_map__fprintf(threads, stderr);
115
116 TEST_ASSERT_VAL("failed to remove thread",
117 !thread_map__remove(threads, 0));
118
119 TEST_ASSERT_VAL("thread_map count != 1", threads->nr == 1);
120
121 if (verbose > 0)
122 thread_map__fprintf(threads, stderr);
123
124 TEST_ASSERT_VAL("failed to remove thread",
125 !thread_map__remove(threads, 0));
126
127 TEST_ASSERT_VAL("thread_map count != 0", threads->nr == 0);
128
129 if (verbose > 0)
130 thread_map__fprintf(threads, stderr);
131
132 TEST_ASSERT_VAL("failed to not remove thread",
133 thread_map__remove(threads, 0));
134
135 for (i = 0; i < threads->nr; i++)
136 free(threads->map[i].comm);
137
138 free(threads);
139 return 0;
140}
1// SPDX-License-Identifier: GPL-2.0
2#include <stdlib.h>
3#include <string.h>
4#include <sys/types.h>
5#include <unistd.h>
6#include <sys/prctl.h>
7#include "tests.h"
8#include "thread_map.h"
9#include "debug.h"
10#include "event.h"
11#include "util/synthetic-events.h"
12#include <linux/zalloc.h>
13#include <perf/event.h>
14#include <internal/threadmap.h>
15
16struct perf_sample;
17struct perf_tool;
18struct machine;
19
20#define NAME (const char *) "perf"
21#define NAMEUL (unsigned long) NAME
22
23static int test__thread_map(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
24{
25 struct perf_thread_map *map;
26
27 TEST_ASSERT_VAL("failed to set process name",
28 !prctl(PR_SET_NAME, NAMEUL, 0, 0, 0));
29
30 /* test map on current pid */
31 map = thread_map__new_by_pid(getpid());
32 TEST_ASSERT_VAL("failed to alloc map", map);
33
34 thread_map__read_comms(map);
35
36 TEST_ASSERT_VAL("wrong nr", map->nr == 1);
37 TEST_ASSERT_VAL("wrong pid",
38 perf_thread_map__pid(map, 0) == getpid());
39 TEST_ASSERT_VAL("wrong comm",
40 perf_thread_map__comm(map, 0) &&
41 !strcmp(perf_thread_map__comm(map, 0), NAME));
42 TEST_ASSERT_VAL("wrong refcnt",
43 refcount_read(&map->refcnt) == 1);
44 perf_thread_map__put(map);
45
46 /* test dummy pid */
47 map = perf_thread_map__new_dummy();
48 TEST_ASSERT_VAL("failed to alloc map", map);
49
50 thread_map__read_comms(map);
51
52 TEST_ASSERT_VAL("wrong nr", map->nr == 1);
53 TEST_ASSERT_VAL("wrong pid", perf_thread_map__pid(map, 0) == -1);
54 TEST_ASSERT_VAL("wrong comm",
55 perf_thread_map__comm(map, 0) &&
56 !strcmp(perf_thread_map__comm(map, 0), "dummy"));
57 TEST_ASSERT_VAL("wrong refcnt",
58 refcount_read(&map->refcnt) == 1);
59 perf_thread_map__put(map);
60 return 0;
61}
62
63static int process_event(struct perf_tool *tool __maybe_unused,
64 union perf_event *event,
65 struct perf_sample *sample __maybe_unused,
66 struct machine *machine __maybe_unused)
67{
68 struct perf_record_thread_map *map = &event->thread_map;
69 struct perf_thread_map *threads;
70
71 TEST_ASSERT_VAL("wrong nr", map->nr == 1);
72 TEST_ASSERT_VAL("wrong pid", map->entries[0].pid == (u64) getpid());
73 TEST_ASSERT_VAL("wrong comm", !strcmp(map->entries[0].comm, NAME));
74
75 threads = thread_map__new_event(&event->thread_map);
76 TEST_ASSERT_VAL("failed to alloc map", threads);
77
78 TEST_ASSERT_VAL("wrong nr", threads->nr == 1);
79 TEST_ASSERT_VAL("wrong pid",
80 perf_thread_map__pid(threads, 0) == getpid());
81 TEST_ASSERT_VAL("wrong comm",
82 perf_thread_map__comm(threads, 0) &&
83 !strcmp(perf_thread_map__comm(threads, 0), NAME));
84 TEST_ASSERT_VAL("wrong refcnt",
85 refcount_read(&threads->refcnt) == 1);
86 perf_thread_map__put(threads);
87 return 0;
88}
89
90static int test__thread_map_synthesize(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
91{
92 struct perf_thread_map *threads;
93
94 TEST_ASSERT_VAL("failed to set process name",
95 !prctl(PR_SET_NAME, NAMEUL, 0, 0, 0));
96
97 /* test map on current pid */
98 threads = thread_map__new_by_pid(getpid());
99 TEST_ASSERT_VAL("failed to alloc map", threads);
100
101 thread_map__read_comms(threads);
102
103 TEST_ASSERT_VAL("failed to synthesize map",
104 !perf_event__synthesize_thread_map2(NULL, threads, process_event, NULL));
105
106 perf_thread_map__put(threads);
107 return 0;
108}
109
110static int test__thread_map_remove(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
111{
112 struct perf_thread_map *threads;
113 char *str;
114
115 TEST_ASSERT_VAL("failed to allocate map string",
116 asprintf(&str, "%d,%d", getpid(), getppid()) >= 0);
117
118 threads = thread_map__new_str(str, NULL, 0, false);
119 free(str);
120
121 TEST_ASSERT_VAL("failed to allocate thread_map",
122 threads);
123
124 if (verbose > 0)
125 thread_map__fprintf(threads, stderr);
126
127 TEST_ASSERT_VAL("failed to remove thread",
128 !thread_map__remove(threads, 0));
129
130 TEST_ASSERT_VAL("thread_map count != 1", threads->nr == 1);
131
132 if (verbose > 0)
133 thread_map__fprintf(threads, stderr);
134
135 TEST_ASSERT_VAL("failed to remove thread",
136 !thread_map__remove(threads, 0));
137
138 TEST_ASSERT_VAL("thread_map count != 0", threads->nr == 0);
139
140 if (verbose > 0)
141 thread_map__fprintf(threads, stderr);
142
143 TEST_ASSERT_VAL("failed to not remove thread",
144 thread_map__remove(threads, 0));
145
146 perf_thread_map__put(threads);
147 return 0;
148}
149
150DEFINE_SUITE("Thread map", thread_map);
151DEFINE_SUITE("Synthesize thread map", thread_map_synthesize);
152DEFINE_SUITE("Remove thread map", thread_map_remove);