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

Message ID 20240111115639.3981970-1-usama.anjum@collabora.com
State Superseded
Headers show
Series [1/7] selftests/mm: hugepage-shm: conform test to TAP format output | expand

Commit Message

Muhammad Usama Anjum Jan. 11, 2024, 11:56 a.m. UTC
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@collabora.com>
---
 tools/testing/selftests/mm/hugepage-shm.c | 47 +++++++++++------------
 1 file changed, 22 insertions(+), 25 deletions(-)
diff mbox series

Patch

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();
 }