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-rw-r--r--tools/perf/tests/thread-map.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/tools/perf/tests/thread-map.c b/tools/perf/tests/thread-map.c
index fccde848fe9c..cee2a2cdc933 100644
--- a/tools/perf/tests/thread-map.c
+++ b/tools/perf/tests/thread-map.c
@@ -1,13 +1,20 @@
#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);
@@ -19,7 +26,7 @@ int test__thread_map(int subtest __maybe_unused)
thread_map__pid(map, 0) == getpid());
TEST_ASSERT_VAL("wrong comm",
thread_map__comm(map, 0) &&
- !strcmp(thread_map__comm(map, 0), "perf"));
+ !strcmp(thread_map__comm(map, 0), NAME));
TEST_ASSERT_VAL("wrong refcnt",
atomic_read(&map->refcnt) == 1);
thread_map__put(map);
@@ -51,7 +58,7 @@ static int process_event(struct perf_tool *tool __maybe_unused,
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"));
+ 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);
@@ -61,7 +68,7 @@ static int process_event(struct perf_tool *tool __maybe_unused,
thread_map__pid(threads, 0) == getpid());
TEST_ASSERT_VAL("wrong comm",
thread_map__comm(threads, 0) &&
- !strcmp(thread_map__comm(threads, 0), "perf"));
+ !strcmp(thread_map__comm(threads, 0), NAME));
TEST_ASSERT_VAL("wrong refcnt",
atomic_read(&threads->refcnt) == 1);
thread_map__put(threads);
@@ -72,6 +79,9 @@ 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);