[linux-2.6-block.git] / tools / perf / tests / thread-map.c

// SPDX-License-Identifier: GPL-2.0
#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(struct test *test __maybe_unused, 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",
			refcount_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",
			refcount_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",
			refcount_read(&threads->refcnt) == 1);
	thread_map__put(threads);
	return 0;
}

int test__thread_map_synthesize(struct test *test __maybe_unused, 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(struct test *test __maybe_unused, 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 > 0)
		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 > 0)
		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 > 0)
		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
b2441318	1	// SPDX-License-Identifier: GPL-2.0
38af91f0	2	#include <stdlib.h>
134aa44f JO	3	#include <sys/types.h>
134aa44f JO	4	#include <unistd.h>
8fbc38aa	5	#include <sys/prctl.h>
134aa44f JO	6	#include "tests.h"
	7	#include "thread_map.h"
	8	#include "debug.h"
	9
8fbc38aa JO	10	#define NAME (const char *) "perf"
	11	#define NAMEUL (unsigned long) NAME
	12
81f17c90	13	int test__thread_map(struct test *test __maybe_unused, int subtest __maybe_unused)
134aa44f JO	14	{
	15	struct thread_map *map;
	16
8fbc38aa JO	17	TEST_ASSERT_VAL("failed to set process name",
	18	!prctl(PR_SET_NAME, NAMEUL, 0, 0, 0));
	19
134aa44f JO	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) &&
8fbc38aa	31	!strcmp(thread_map__comm(map, 0), NAME));
35318d20	32	TEST_ASSERT_VAL("wrong refcnt",
364fed35	33	refcount_read(&map->refcnt) == 1);
134aa44f JO	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"));
35318d20	47	TEST_ASSERT_VAL("wrong refcnt",
364fed35	48	refcount_read(&map->refcnt) == 1);
134aa44f JO	49	thread_map__put(map);
	50	return 0;
	51	}
99471c96 JO	52
	53	static 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;
59660942	59	struct thread_map *threads;
99471c96 JO	60
	61	TEST_ASSERT_VAL("wrong nr", map->nr == 1);
	62	TEST_ASSERT_VAL("wrong pid", map->entries[0].pid == (u64) getpid());
8fbc38aa	63	TEST_ASSERT_VAL("wrong comm", !strcmp(map->entries[0].comm, NAME));
59660942 JO	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) &&
8fbc38aa	73	!strcmp(thread_map__comm(threads, 0), NAME));
59660942	74	TEST_ASSERT_VAL("wrong refcnt",
364fed35	75	refcount_read(&threads->refcnt) == 1);
59660942	76	thread_map__put(threads);
99471c96 JO	77	return 0;
	78	}
	79
81f17c90	80	int test__thread_map_synthesize(struct test *test __maybe_unused, int subtest __maybe_unused)
99471c96 JO	81	{
	82	struct thread_map *threads;
	83
8fbc38aa JO	84	TEST_ASSERT_VAL("failed to set process name",
	85	!prctl(PR_SET_NAME, NAMEUL, 0, 0, 0));
	86
99471c96 JO	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	}
38af91f0	98
81f17c90	99	int test__thread_map_remove(struct test *test __maybe_unused, int subtest __maybe_unused)
38af91f0 JO	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);
	109
	110	TEST_ASSERT_VAL("failed to allocate thread_map",
	111	threads);
	112
bb963e16	113	if (verbose > 0)
38af91f0 JO	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
bb963e16	121	if (verbose > 0)
38af91f0 JO	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
bb963e16	129	if (verbose > 0)
38af91f0 JO	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	}