[mirror_ubuntu-artful-kernel.git] / tools / perf / tests / thread-map.c

#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/prctl.h>
#include "tests.h"
#include "thread_map.h"
#include "debug.h"

#define NAME	(const char *) "perf"
#define NAMEUL	(unsigned long) NAME

int test__thread_map(int subtest __maybe_unused)
{
	struct thread_map *map;

	TEST_ASSERT_VAL("failed to set process name",
			!prctl(PR_SET_NAME, NAMEUL, 0, 0, 0));

	/* test map on current pid */
	map = thread_map__new_by_pid(getpid());
	TEST_ASSERT_VAL("failed to alloc map", map);

	thread_map__read_comms(map);

	TEST_ASSERT_VAL("wrong nr", map->nr == 1);
	TEST_ASSERT_VAL("wrong pid",
			thread_map__pid(map, 0) == getpid());
	TEST_ASSERT_VAL("wrong comm",
			thread_map__comm(map, 0) &&
			!strcmp(thread_map__comm(map, 0), NAME));
	TEST_ASSERT_VAL("wrong refcnt",
			atomic_read(&map->refcnt) == 1);
	thread_map__put(map);

	/* test dummy pid */
	map = thread_map__new_dummy();
	TEST_ASSERT_VAL("failed to alloc map", map);

	thread_map__read_comms(map);

	TEST_ASSERT_VAL("wrong nr", map->nr == 1);
	TEST_ASSERT_VAL("wrong pid", thread_map__pid(map, 0) == -1);
	TEST_ASSERT_VAL("wrong comm",
			thread_map__comm(map, 0) &&
			!strcmp(thread_map__comm(map, 0), "dummy"));
	TEST_ASSERT_VAL("wrong refcnt",
			atomic_read(&map->refcnt) == 1);
	thread_map__put(map);
	return 0;
}

static int process_event(struct perf_tool *tool __maybe_unused,
			 union perf_event *event,
			 struct perf_sample *sample __maybe_unused,
			 struct machine *machine __maybe_unused)
{
	struct thread_map_event *map = &event->thread_map;
	struct thread_map *threads;

	TEST_ASSERT_VAL("wrong nr",   map->nr == 1);
	TEST_ASSERT_VAL("wrong pid",  map->entries[0].pid == (u64) getpid());
	TEST_ASSERT_VAL("wrong comm", !strcmp(map->entries[0].comm, NAME));

	threads = thread_map__new_event(&event->thread_map);
	TEST_ASSERT_VAL("failed to alloc map", threads);

	TEST_ASSERT_VAL("wrong nr", threads->nr == 1);
	TEST_ASSERT_VAL("wrong pid",
			thread_map__pid(threads, 0) == getpid());
	TEST_ASSERT_VAL("wrong comm",
			thread_map__comm(threads, 0) &&
			!strcmp(thread_map__comm(threads, 0), NAME));
	TEST_ASSERT_VAL("wrong refcnt",
			atomic_read(&threads->refcnt) == 1);
	thread_map__put(threads);
	return 0;
}

int test__thread_map_synthesize(int subtest __maybe_unused)
{
	struct thread_map *threads;

	TEST_ASSERT_VAL("failed to set process name",
			!prctl(PR_SET_NAME, NAMEUL, 0, 0, 0));

	/* test map on current pid */
	threads = thread_map__new_by_pid(getpid());
	TEST_ASSERT_VAL("failed to alloc map", threads);

	thread_map__read_comms(threads);

	TEST_ASSERT_VAL("failed to synthesize map",
		!perf_event__synthesize_thread_map2(NULL, threads, process_event, NULL));

	return 0;
}

int test__thread_map_remove(int subtest __maybe_unused)
{
	struct thread_map *threads;
	char *str;
	int i;

	TEST_ASSERT_VAL("failed to allocate map string",
			asprintf(&str, "%d,%d", getpid(), getppid()) >= 0);

	threads = thread_map__new_str(str, NULL, 0);

	TEST_ASSERT_VAL("failed to allocate thread_map",
			threads);

	if (verbose)
		thread_map__fprintf(threads, stderr);

	TEST_ASSERT_VAL("failed to remove thread",
			!thread_map__remove(threads, 0));

	TEST_ASSERT_VAL("thread_map count != 1", threads->nr == 1);

	if (verbose)
		thread_map__fprintf(threads, stderr);

	TEST_ASSERT_VAL("failed to remove thread",
			!thread_map__remove(threads, 0));

	TEST_ASSERT_VAL("thread_map count != 0", threads->nr == 0);

	if (verbose)
		thread_map__fprintf(threads, stderr);

	TEST_ASSERT_VAL("failed to not remove thread",
			thread_map__remove(threads, 0));

	for (i = 0; i < threads->nr; i++)
		free(threads->map[i].comm);

	free(threads);
	return 0;
}
Commit	Line	Data
38af91f0	1	#include <stdlib.h>
134aa44f JO	2	#include <sys/types.h>
134aa44f JO	3	#include <unistd.h>
8fbc38aa	4	#include <sys/prctl.h>
134aa44f JO	5	#include "tests.h"
	6	#include "thread_map.h"
	7	#include "debug.h"
	8
8fbc38aa JO	9	#define NAME (const char *) "perf"
	10	#define NAMEUL (unsigned long) NAME
	11
721a1f53	12	int test__thread_map(int subtest __maybe_unused)
134aa44f JO	13	{
	14	struct thread_map *map;
	15
8fbc38aa JO	16	TEST_ASSERT_VAL("failed to set process name",
	17	!prctl(PR_SET_NAME, NAMEUL, 0, 0, 0));
	18
134aa44f JO	19	/* test map on current pid */
	20	map = thread_map__new_by_pid(getpid());
	21	TEST_ASSERT_VAL("failed to alloc map", map);
	22
	23	thread_map__read_comms(map);
	24
	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) &&
8fbc38aa	30	!strcmp(thread_map__comm(map, 0), NAME));
35318d20 JO	31	TEST_ASSERT_VAL("wrong refcnt",
35318d20 JO	32	atomic_read(&map->refcnt) == 1);
134aa44f JO	33	thread_map__put(map);
	34
	35	/* test dummy pid */
	36	map = thread_map__new_dummy();
	37	TEST_ASSERT_VAL("failed to alloc map", map);
	38
	39	thread_map__read_comms(map);
	40
	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"));
35318d20 JO	46	TEST_ASSERT_VAL("wrong refcnt",
35318d20 JO	47	atomic_read(&map->refcnt) == 1);
134aa44f JO	48	thread_map__put(map);
	49	return 0;
	50	}
99471c96 JO	51
	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)
	56	{
	57	struct thread_map_event *map = &event->thread_map;
59660942	58	struct thread_map *threads;
99471c96 JO	59
	60	TEST_ASSERT_VAL("wrong nr", map->nr == 1);
	61	TEST_ASSERT_VAL("wrong pid", map->entries[0].pid == (u64) getpid());
8fbc38aa	62	TEST_ASSERT_VAL("wrong comm", !strcmp(map->entries[0].comm, NAME));
59660942 JO	63
	64	threads = thread_map__new_event(&event->thread_map);
	65	TEST_ASSERT_VAL("failed to alloc map", threads);
	66
	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) &&
8fbc38aa	72	!strcmp(thread_map__comm(threads, 0), NAME));
59660942 JO	73	TEST_ASSERT_VAL("wrong refcnt",
	74	atomic_read(&threads->refcnt) == 1);
	75	thread_map__put(threads);
99471c96 JO	76	return 0;
	77	}
	78
	79	int test__thread_map_synthesize(int subtest __maybe_unused)
	80	{
	81	struct thread_map *threads;
	82
8fbc38aa JO	83	TEST_ASSERT_VAL("failed to set process name",
	84	!prctl(PR_SET_NAME, NAMEUL, 0, 0, 0));
	85
99471c96 JO	86	/* test map on current pid */
	87	threads = thread_map__new_by_pid(getpid());
	88	TEST_ASSERT_VAL("failed to alloc map", threads);
	89
	90	thread_map__read_comms(threads);
	91
	92	TEST_ASSERT_VAL("failed to synthesize map",
	93	!perf_event__synthesize_thread_map2(NULL, threads, process_event, NULL));
	94
	95	return 0;
	96	}
38af91f0 JO	97
	98	int test__thread_map_remove(int subtest __maybe_unused)
	99	{
	100	struct thread_map *threads;
	101	char *str;
	102	int i;
	103
	104	TEST_ASSERT_VAL("failed to allocate map string",
	105	asprintf(&str, "%d,%d", getpid(), getppid()) >= 0);
	106
	107	threads = thread_map__new_str(str, NULL, 0);
	108
	109	TEST_ASSERT_VAL("failed to allocate thread_map",
	110	threads);
	111
	112	if (verbose)
	113	thread_map__fprintf(threads, stderr);
	114
	115	TEST_ASSERT_VAL("failed to remove thread",
	116	!thread_map__remove(threads, 0));
	117
	118	TEST_ASSERT_VAL("thread_map count != 1", threads->nr == 1);
	119
	120	if (verbose)
	121	thread_map__fprintf(threads, stderr);
	122
	123	TEST_ASSERT_VAL("failed to remove thread",
	124	!thread_map__remove(threads, 0));
	125
	126	TEST_ASSERT_VAL("thread_map count != 0", threads->nr == 0);
	127
	128	if (verbose)
	129	thread_map__fprintf(threads, stderr);
	130
	131	TEST_ASSERT_VAL("failed to not remove thread",
	132	thread_map__remove(threads, 0));
	133
	134	for (i = 0; i < threads->nr; i++)
	135	free(threads->map[i].comm);
	136
	137	free(threads);
	138	return 0;
	139	}