linux-kernel - [PATCH v2 4/4] kselftests: vdso: vdso_test_gettimeofday: conform test to TAP output

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Date: Mon, 10 Jun 2024 10:41:29 +0500
From: Muhammad Usama Anjum <usama.anjum@...labora.com>
To: Shuah Khan <shuah@...nel.org>,
	Vincenzo Frascino <vincenzo.frascino@....com>,
	Muhammad Usama Anjum <usama.anjum@...labora.com>,
	Tiezhu Yang <yangtiezhu@...ngson.cn>,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: kernel@...labora.com
Subject: [PATCH v2 4/4] kselftests: vdso: vdso_test_gettimeofday: conform test to TAP output

Conform the layout, informational and status messages to TAP. No
functional change is intended other than the layout of output messages.

Signed-off-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
---
 .../selftests/vDSO/vdso_test_gettimeofday.c   | 23 ++++++++++---------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/tools/testing/selftests/vDSO/vdso_test_gettimeofday.c b/tools/testing/selftests/vDSO/vdso_test_gettimeofday.c
index ee4f1ca56a71a..2f42277b29ffe 100644
--- a/tools/testing/selftests/vDSO/vdso_test_gettimeofday.c
+++ b/tools/testing/selftests/vDSO/vdso_test_gettimeofday.c
@@ -24,10 +24,13 @@ int main(int argc, char **argv)
 {
 	const char *version = versions[VDSO_VERSION];
 	const char **name = (const char **)&names[VDSO_NAMES];
-
 	unsigned long sysinfo_ehdr = getauxval(AT_SYSINFO_EHDR);
+
+	ksft_print_header();
+	ksft_set_plan(1);
+
 	if (!sysinfo_ehdr) {
-		printf("AT_SYSINFO_EHDR is not present!\n");
+		ksft_print_msg("AT_SYSINFO_EHDR is not present!\n");
 		return KSFT_SKIP;
 	}
 
@@ -38,20 +41,18 @@ int main(int argc, char **argv)
 	gtod_t gtod = (gtod_t)vdso_sym(version, name[0]);
 
 	if (!gtod) {
-		printf("Could not find %s\n", name[0]);
+		ksft_print_msg("Could not find %s\n", name[0]);
 		return KSFT_SKIP;
 	}
 
 	struct timeval tv;
 	long ret = gtod(&tv, 0);
 
-	if (ret == 0) {
-		printf("The time is %lld.%06lld\n",
-		       (long long)tv.tv_sec, (long long)tv.tv_usec);
-	} else {
-		printf("%s failed\n", name[0]);
-		return KSFT_FAIL;
-	}
+	if (ret == 0)
+		ksft_test_result_pass("The time is %lld.%06lld\n",
+				      (long long)tv.tv_sec, (long long)tv.tv_usec);
+	else
+		ksft_test_result_fail("%s failed\n", name[0]);
 
-	return 0;
+	ksft_finished();
 }
-- 
2.39.2