1 files changed, 46 insertions, 25 deletions

diff --git a/tools/testing/selftests/sync/sync_test.c b/tools/testing/selftests/sync/sync_test.c
index 62fa666e501a..7f7938263c5c 100644
--- a/tools/testing/selftests/sync/sync_test.c
+++ b/tools/testing/selftests/sync/sync_test.c
@@ -31,62 +31,83 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/wait.h>
+#include <errno.h>
+#include <string.h>
 
+#include "../kselftest.h"
 #include "synctest.h"
 
 static int run_test(int (*test)(void), char *name)
 {
 	int result;
 	pid_t childpid;
+	int ret;
 
 	fflush(stdout);
 	childpid = fork();
 
 	if (childpid) {
 		waitpid(childpid, &result, 0);
-		if (WIFEXITED(result))
-			return WEXITSTATUS(result);
+		if (WIFEXITED(result)) {
+			ret = WEXITSTATUS(result);
+			if (!ret)
+				ksft_test_result_pass("[RUN]\t%s\n", name);
+			else
+				ksft_test_result_fail("[RUN]\t%s\n", name);
+			return ret;
+		}
 		return 1;
 	}
 
-	printf("[RUN]\tExecuting %s\n", name);
 	exit(test());
 }
 
-static int sync_api_supported(void)
+static void sync_api_supported(void)
 {
 	struct stat sbuf;
+	int ret;
 
-	return 0 == stat("/sys/kernel/debug/sync/sw_sync", &sbuf);
+	ret = stat("/sys/kernel/debug/sync/sw_sync", &sbuf);
+	if (!ret)
+		return;
+
+	if (errno == ENOENT)
+		ksft_exit_skip("Sync framework not supported by kernel\n");
+
+	if (errno == EACCES)
+		ksft_exit_skip("Run Sync test as root.\n");
+
+	ksft_exit_fail_msg("stat failed on /sys/kernel/debug/sync/sw_sync: %s",
+				strerror(errno));
 }
 
 int main(void)
 {
-	int err = 0;
+	int err;
 
-	if (!sync_api_supported()) {
-		printf("SKIP: Sync framework not supported by kernel\n");
-		return 0;
-	}
+	ksft_print_header();
+
+	sync_api_supported();
 
-	printf("[RUN]\tTesting sync framework\n");
+	ksft_print_msg("[RUN]\tTesting sync framework\n");
 
-	err += RUN_TEST(test_alloc_timeline);
-	err += RUN_TEST(test_alloc_fence);
-	err += RUN_TEST(test_alloc_fence_negative);
+	RUN_TEST(test_alloc_timeline);
+	RUN_TEST(test_alloc_fence);
+	RUN_TEST(test_alloc_fence_negative);
 
-	err += RUN_TEST(test_fence_one_timeline_wait);
-	err += RUN_TEST(test_fence_one_timeline_merge);
-	err += RUN_TEST(test_fence_merge_same_fence);
-	err += RUN_TEST(test_fence_multi_timeline_wait);
-	err += RUN_TEST(test_stress_two_threads_shared_timeline);
-	err += RUN_TEST(test_consumer_stress_multi_producer_single_consumer);
-	err += RUN_TEST(test_merge_stress_random_merge);
+	RUN_TEST(test_fence_one_timeline_wait);
+	RUN_TEST(test_fence_one_timeline_merge);
+	RUN_TEST(test_fence_merge_same_fence);
+	RUN_TEST(test_fence_multi_timeline_wait);
+	RUN_TEST(test_stress_two_threads_shared_timeline);
+	RUN_TEST(test_consumer_stress_multi_producer_single_consumer);
+	RUN_TEST(test_merge_stress_random_merge);
 
+	err = ksft_get_fail_cnt();
 	if (err)
-		printf("[FAIL]\tsync errors: %d\n", err);
-	else
-		printf("[OK]\tsync\n");
+		ksft_exit_fail_msg("%d out of %d sync tests failed\n",
+					err, ksft_test_num());
 
-	return !!err;
+	/* need this return to keep gcc happy */
+	return ksft_exit_pass();
 }