linux-kernel - [PATCH v2 1/7] selftests/mm: hugepage-shm: conform test to TAP format output

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240112072144.620098-1-usama.anjum@collabora.com>
Date: Fri, 12 Jan 2024 12:21:34 +0500
From: Muhammad Usama Anjum <usama.anjum@...labora.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
	Shuah Khan <shuah@...nel.org>
Cc: Muhammad Usama Anjum <usama.anjum@...labora.com>,
	kernel@...labora.com,
	linux-mm@...ck.org,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/7] selftests/mm: hugepage-shm: conform test to TAP format output

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

The "." was being printed inside for loop to indicate the writes
progress. This was extraneous and hence removed in the patch.

Signed-off-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
---
 tools/testing/selftests/mm/hugepage-shm.c | 47 +++++++++++------------
 1 file changed, 22 insertions(+), 25 deletions(-)

diff --git a/tools/testing/selftests/mm/hugepage-shm.c b/tools/testing/selftests/mm/hugepage-shm.c
index 478bb1e989e9..f949dbbc3454 100644
--- a/tools/testing/selftests/mm/hugepage-shm.c
+++ b/tools/testing/selftests/mm/hugepage-shm.c
@@ -34,11 +34,10 @@
 #include <sys/ipc.h>
 #include <sys/shm.h>
 #include <sys/mman.h>
+#include "../kselftest.h"
 
 #define LENGTH (256UL*1024*1024)
 
-#define dprintf(x)  printf(x)
-
 /* Only ia64 requires this */
 #ifdef __ia64__
 #define ADDR (void *)(0x8000000000000000UL)
@@ -54,44 +53,42 @@ int main(void)
 	unsigned long i;
 	char *shmaddr;
 
+	ksft_print_header();
+	ksft_set_plan(1);
+
 	shmid = shmget(2, LENGTH, SHM_HUGETLB | IPC_CREAT | SHM_R | SHM_W);
-	if (shmid < 0) {
-		perror("shmget");
-		exit(1);
-	}
-	printf("shmid: 0x%x\n", shmid);
+	if (shmid < 0)
+		ksft_exit_fail_msg("shmget: %s\n", strerror(errno));
+
+	ksft_print_msg("shmid: 0x%x\n", shmid);
 
 	shmaddr = shmat(shmid, ADDR, SHMAT_FLAGS);
 	if (shmaddr == (char *)-1) {
-		perror("Shared memory attach failure");
 		shmctl(shmid, IPC_RMID, NULL);
-		exit(2);
+		ksft_exit_fail_msg("Shared memory attach failure: %s\n", strerror(errno));
 	}
-	printf("shmaddr: %p\n", shmaddr);
 
-	dprintf("Starting the writes:\n");
-	for (i = 0; i < LENGTH; i++) {
+	ksft_print_msg("shmaddr: %p\n", shmaddr);
+
+	ksft_print_msg("Starting the writes:");
+	for (i = 0; i < LENGTH; i++)
 		shmaddr[i] = (char)(i);
-		if (!(i % (1024 * 1024)))
-			dprintf(".");
-	}
-	dprintf("\n");
+	ksft_print_msg("Done.\n");
 
-	dprintf("Starting the Check...");
+	ksft_print_msg("Starting the Check...");
 	for (i = 0; i < LENGTH; i++)
-		if (shmaddr[i] != (char)i) {
-			printf("\nIndex %lu mismatched\n", i);
-			exit(3);
-		}
-	dprintf("Done.\n");
+		if (shmaddr[i] != (char)i)
+			ksft_exit_fail_msg("\nIndex %lu mismatched\n", i);
+	ksft_print_msg("Done.\n");
 
 	if (shmdt((const void *)shmaddr) != 0) {
-		perror("Detach failure");
 		shmctl(shmid, IPC_RMID, NULL);
-		exit(4);
+		ksft_exit_fail_msg("Detach failure: %s\n", strerror(errno));
 	}
 
 	shmctl(shmid, IPC_RMID, NULL);
 
-	return 0;
+	ksft_test_result_pass("Completed test\n");
+
+	ksft_finished();
 }
-- 
2.42.0