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#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;
}
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