xref: /openbmc/linux/tools/perf/tests/thread-map.c (revision 2c684d89)
1 #include <sys/types.h>
2 #include <unistd.h>
3 #include "tests.h"
4 #include "thread_map.h"
5 #include "debug.h"
6 
7 int test__thread_map(void)
8 {
9 	struct thread_map *map;
10 
11 	/* test map on current pid */
12 	map = thread_map__new_by_pid(getpid());
13 	TEST_ASSERT_VAL("failed to alloc map", map);
14 
15 	thread_map__read_comms(map);
16 
17 	TEST_ASSERT_VAL("wrong nr", map->nr == 1);
18 	TEST_ASSERT_VAL("wrong pid",
19 			thread_map__pid(map, 0) == getpid());
20 	TEST_ASSERT_VAL("wrong comm",
21 			thread_map__comm(map, 0) &&
22 			!strcmp(thread_map__comm(map, 0), "perf"));
23 	TEST_ASSERT_VAL("wrong refcnt",
24 			atomic_read(&map->refcnt) == 1);
25 	thread_map__put(map);
26 
27 	/* test dummy pid */
28 	map = thread_map__new_dummy();
29 	TEST_ASSERT_VAL("failed to alloc map", map);
30 
31 	thread_map__read_comms(map);
32 
33 	TEST_ASSERT_VAL("wrong nr", map->nr == 1);
34 	TEST_ASSERT_VAL("wrong pid", thread_map__pid(map, 0) == -1);
35 	TEST_ASSERT_VAL("wrong comm",
36 			thread_map__comm(map, 0) &&
37 			!strcmp(thread_map__comm(map, 0), "dummy"));
38 	TEST_ASSERT_VAL("wrong refcnt",
39 			atomic_read(&map->refcnt) == 1);
40 	thread_map__put(map);
41 	return 0;
42 }
43