1 files changed, 44 insertions, 1 deletions

diff --git a/tools/perf/tests/thread-map.c b/tools/perf/tests/thread-map.c
index 138a0e3431fa..fccde848fe9c 100644
--- a/tools/perf/tests/thread-map.c
+++ b/tools/perf/tests/thread-map.c
@@ -4,7 +4,7 @@
 #include "thread_map.h"
 #include "debug.h"
 
-int test__thread_map(void)
+int test__thread_map(int subtest __maybe_unused)
 {
 	struct thread_map *map;
 
@@ -40,3 +40,46 @@ int test__thread_map(void)
 	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, "perf"));
+
+	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), "perf"));
+	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 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;
+}