6 #include "thread_map.h"
9 #define NAME (const char *) "perf"
10 #define NAMEUL (unsigned long) NAME
12 int test__thread_map(int subtest __maybe_unused)
14 struct thread_map *map;
16 TEST_ASSERT_VAL("failed to set process name",
17 !prctl(PR_SET_NAME, NAMEUL, 0, 0, 0));
19 /* test map on current pid */
20 map = thread_map__new_by_pid(getpid());
21 TEST_ASSERT_VAL("failed to alloc map", map);
23 thread_map__read_comms(map);
25 TEST_ASSERT_VAL("wrong nr", map->nr == 1);
26 TEST_ASSERT_VAL("wrong pid",
27 thread_map__pid(map, 0) == getpid());
28 TEST_ASSERT_VAL("wrong comm",
29 thread_map__comm(map, 0) &&
30 !strcmp(thread_map__comm(map, 0), NAME));
31 TEST_ASSERT_VAL("wrong refcnt",
32 atomic_read(&map->refcnt) == 1);
36 map = thread_map__new_dummy();
37 TEST_ASSERT_VAL("failed to alloc map", map);
39 thread_map__read_comms(map);
41 TEST_ASSERT_VAL("wrong nr", map->nr == 1);
42 TEST_ASSERT_VAL("wrong pid", thread_map__pid(map, 0) == -1);
43 TEST_ASSERT_VAL("wrong comm",
44 thread_map__comm(map, 0) &&
45 !strcmp(thread_map__comm(map, 0), "dummy"));
46 TEST_ASSERT_VAL("wrong refcnt",
47 atomic_read(&map->refcnt) == 1);
52 static int process_event(struct perf_tool *tool __maybe_unused,
53 union perf_event *event,
54 struct perf_sample *sample __maybe_unused,
55 struct machine *machine __maybe_unused)
57 struct thread_map_event *map = &event->thread_map;
58 struct thread_map *threads;
60 TEST_ASSERT_VAL("wrong nr", map->nr == 1);
61 TEST_ASSERT_VAL("wrong pid", map->entries[0].pid == (u64) getpid());
62 TEST_ASSERT_VAL("wrong comm", !strcmp(map->entries[0].comm, NAME));
64 threads = thread_map__new_event(&event->thread_map);
65 TEST_ASSERT_VAL("failed to alloc map", threads);
67 TEST_ASSERT_VAL("wrong nr", threads->nr == 1);
68 TEST_ASSERT_VAL("wrong pid",
69 thread_map__pid(threads, 0) == getpid());
70 TEST_ASSERT_VAL("wrong comm",
71 thread_map__comm(threads, 0) &&
72 !strcmp(thread_map__comm(threads, 0), NAME));
73 TEST_ASSERT_VAL("wrong refcnt",
74 atomic_read(&threads->refcnt) == 1);
75 thread_map__put(threads);
79 int test__thread_map_synthesize(int subtest __maybe_unused)
81 struct thread_map *threads;
83 TEST_ASSERT_VAL("failed to set process name",
84 !prctl(PR_SET_NAME, NAMEUL, 0, 0, 0));
86 /* test map on current pid */
87 threads = thread_map__new_by_pid(getpid());
88 TEST_ASSERT_VAL("failed to alloc map", threads);
90 thread_map__read_comms(threads);
92 TEST_ASSERT_VAL("failed to synthesize map",
93 !perf_event__synthesize_thread_map2(NULL, threads, process_event, NULL));
98 int test__thread_map_remove(int subtest __maybe_unused)
100 struct thread_map *threads;
104 TEST_ASSERT_VAL("failed to allocate map string",
105 asprintf(&str, "%d,%d", getpid(), getppid()) >= 0);
107 threads = thread_map__new_str(str, NULL, 0);
109 TEST_ASSERT_VAL("failed to allocate thread_map",
113 thread_map__fprintf(threads, stderr);
115 TEST_ASSERT_VAL("failed to remove thread",
116 !thread_map__remove(threads, 0));
118 TEST_ASSERT_VAL("thread_map count != 1", threads->nr == 1);
121 thread_map__fprintf(threads, stderr);
123 TEST_ASSERT_VAL("failed to remove thread",
124 !thread_map__remove(threads, 0));
126 TEST_ASSERT_VAL("thread_map count != 0", threads->nr == 0);
129 thread_map__fprintf(threads, stderr);
131 TEST_ASSERT_VAL("failed to not remove thread",
132 thread_map__remove(threads, 0));
134 for (i = 0; i < threads->nr; i++)
135 free(threads->map[i].comm);