diff --git a/tools/testing/selftests/pidfd/pidfd_fdinfo_test.c b/tools/testing/selftests/pidfd/pidfd_fdinfo_test.c
index 3fd8e903118f..3bc46d6151f4 100644
--- a/tools/testing/selftests/pidfd/pidfd_fdinfo_test.c
+++ b/tools/testing/selftests/pidfd/pidfd_fdinfo_test.c
@@ -62,7 +62,7 @@ static void error_report(struct error *err, const char *test_name)
 		break;
 
 	case PIDFD_PASS:
-		ksft_test_result_pass("%s test: Passed\n");
+		ksft_test_result_pass("%s test: Passed\n", test_name);
 		break;
 
 	default:
diff --git a/tools/testing/selftests/pidfd/pidfd_test.c b/tools/testing/selftests/pidfd/pidfd_test.c
index e2dd4ed84984..cf4f3174c83e 100644
--- a/tools/testing/selftests/pidfd/pidfd_test.c
+++ b/tools/testing/selftests/pidfd/pidfd_test.c
@@ -380,13 +380,13 @@ static int test_pidfd_send_signal_syscall_support(void)
 
 static void *test_pidfd_poll_exec_thread(void *priv)
 {
-	ksft_print_msg("Child Thread: starting. pid %d tid %d ; and sleeping\n",
+	ksft_print_msg("Child Thread: starting. pid %d tid %ld ; and sleeping\n",
 			getpid(), syscall(SYS_gettid));
 	ksft_print_msg("Child Thread: doing exec of sleep\n");
 
 	execl("/bin/sleep", "sleep", str(CHILD_THREAD_MIN_WAIT), (char *)NULL);
 
-	ksft_print_msg("Child Thread: DONE. pid %d tid %d\n",
+	ksft_print_msg("Child Thread: DONE. pid %d tid %ld\n",
 			getpid(), syscall(SYS_gettid));
 	return NULL;
 }
@@ -426,7 +426,7 @@ static int child_poll_exec_test(void *args)
 {
 	pthread_t t1;
 
-	ksft_print_msg("Child (pidfd): starting. pid %d tid %d\n", getpid(),
+	ksft_print_msg("Child (pidfd): starting. pid %d tid %ld\n", getpid(),
 			syscall(SYS_gettid));
 	pthread_create(&t1, NULL, test_pidfd_poll_exec_thread, NULL);
 	/*
@@ -479,10 +479,10 @@ static void test_pidfd_poll_exec(int use_waitpid)
 
 static void *test_pidfd_poll_leader_exit_thread(void *priv)
 {
-	ksft_print_msg("Child Thread: starting. pid %d tid %d ; and sleeping\n",
+	ksft_print_msg("Child Thread: starting. pid %d tid %ld ; and sleeping\n",
 			getpid(), syscall(SYS_gettid));
 	sleep(CHILD_THREAD_MIN_WAIT);
-	ksft_print_msg("Child Thread: DONE. pid %d tid %d\n", getpid(), syscall(SYS_gettid));
+	ksft_print_msg("Child Thread: DONE. pid %d tid %ld\n", getpid(), syscall(SYS_gettid));
 	return NULL;
 }
 
@@ -491,7 +491,7 @@ static int child_poll_leader_exit_test(void *args)
 {
 	pthread_t t1, t2;
 
-	ksft_print_msg("Child: starting. pid %d tid %d\n", getpid(), syscall(SYS_gettid));
+	ksft_print_msg("Child: starting. pid %d tid %ld\n", getpid(), syscall(SYS_gettid));
 	pthread_create(&t1, NULL, test_pidfd_poll_leader_exit_thread, NULL);
 	pthread_create(&t2, NULL, test_pidfd_poll_leader_exit_thread, NULL);