These changes are the raw update to linux-4.4.6-rt14. Kernel sources

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

diff --git a/kernel/tools/perf/tests/thread-map.c b/kernel/tools/perf/tests/thread-map.c
new file mode 100644 (file)
index 0000000..138a0e3
--- /dev/null
+++ b/kernel/tools/perf/tests/thread-map.c
@@ -0,0 +1,42 @@
+#include <sys/types.h>
+#include <unistd.h>
+#include "tests.h"
+#include "thread_map.h"
+#include "debug.h"
+
+int test__thread_map(void)
+{
+       struct thread_map *map;
+
+       /* 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), "perf"));
+       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;
+}