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* [PATCH 01/12] selftests/mm: map_fixed_noreplace: conform test to TAP format output
@ 2024-01-31 14:05 Muhammad Usama Anjum
  2024-01-31 14:05 ` [PATCH 02/12] selftests/mm: map_hugetlb: " Muhammad Usama Anjum
                   ` (10 more replies)
  0 siblings, 11 replies; 12+ messages in thread
From: Muhammad Usama Anjum @ 2024-01-31 14:05 UTC (permalink / raw)
  To: Andrew Morton, Shuah Khan
  Cc: Muhammad Usama Anjum, kernel, linux-mm, linux-kselftest, linux-kernel

Conform the layout, informational and status messages to TAP. No
functional change is intended other than the layout of output messages.
While at it, convert commenting style from // to /**/.

Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
---
 .../selftests/mm/map_fixed_noreplace.c        | 96 ++++++-------------
 1 file changed, 31 insertions(+), 65 deletions(-)

diff --git a/tools/testing/selftests/mm/map_fixed_noreplace.c b/tools/testing/selftests/mm/map_fixed_noreplace.c
index 598159f3df1f2..b74813fdc9514 100644
--- a/tools/testing/selftests/mm/map_fixed_noreplace.c
+++ b/tools/testing/selftests/mm/map_fixed_noreplace.c
@@ -12,6 +12,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include "../kselftest.h"
 
 static void dump_maps(void)
 {
@@ -28,15 +29,12 @@ static unsigned long find_base_addr(unsigned long size)
 
 	flags = MAP_PRIVATE | MAP_ANONYMOUS;
 	addr = mmap(NULL, size, PROT_NONE, flags, -1, 0);
-	if (addr == MAP_FAILED) {
-		printf("Error: couldn't map the space we need for the test\n");
-		return 0;
-	}
+	if (addr == MAP_FAILED)
+		ksft_exit_fail_msg("Error: couldn't map the space we need for the test\n");
+
+	if (munmap(addr, size) != 0)
+		ksft_exit_fail_msg("Error: munmap failed\n");
 
-	if (munmap(addr, size) != 0) {
-		printf("Error: couldn't map the space we need for the test\n");
-		return 0;
-	}
 	return (unsigned long)addr;
 }
 
@@ -46,51 +44,39 @@ int main(void)
 	unsigned long flags, addr, size, page_size;
 	char *p;
 
+	ksft_print_header();
+	ksft_set_plan(9);
+
 	page_size = sysconf(_SC_PAGE_SIZE);
 
-	//let's find a base addr that is free before we start the tests
+	/* let's find a base addr that is free before we start the tests */
 	size = 5 * page_size;
 	base_addr = find_base_addr(size);
-	if (!base_addr) {
-		printf("Error: couldn't map the space we need for the test\n");
-		return 1;
-	}
 
 	flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED_NOREPLACE;
 
-	// Check we can map all the areas we need below
-	errno = 0;
+	/* Check we can map all the areas we need below */
 	addr = base_addr;
 	size = 5 * page_size;
 	p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0);
-
-	printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
-
 	if (p == MAP_FAILED) {
 		dump_maps();
-		printf("Error: couldn't map the space we need for the test\n");
-		return 1;
+		ksft_exit_fail_msg("Error: couldn't map the space we need for the test\n");
 	}
-
-	errno = 0;
 	if (munmap((void *)addr, 5 * page_size) != 0) {
 		dump_maps();
-		printf("Error: munmap failed!?\n");
-		return 1;
+		ksft_exit_fail_msg("Error: munmap failed!?\n");
 	}
-	printf("unmap() successful\n");
+	ksft_test_result_pass("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
 
-	errno = 0;
 	addr = base_addr + page_size;
 	size = 3 * page_size;
 	p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0);
-	printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
-
 	if (p == MAP_FAILED) {
 		dump_maps();
-		printf("Error: first mmap() failed unexpectedly\n");
-		return 1;
+		ksft_exit_fail_msg("Error: first mmap() failed unexpectedly\n");
 	}
+	ksft_test_result_pass("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
 
 	/*
 	 * Exact same mapping again:
@@ -100,17 +86,14 @@ int main(void)
 	 *     +3 | mapped | new
 	 *     +4 |  free  | new
 	 */
-	errno = 0;
 	addr = base_addr;
 	size = 5 * page_size;
 	p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0);
-	printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
-
 	if (p != MAP_FAILED) {
 		dump_maps();
-		printf("Error:1: mmap() succeeded when it shouldn't have\n");
-		return 1;
+		ksft_exit_fail_msg("Error:1: mmap() succeeded when it shouldn't have\n");
 	}
+	ksft_test_result_pass("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
 
 	/*
 	 * Second mapping contained within first:
@@ -121,17 +104,14 @@ int main(void)
 	 *     +3 | mapped |
 	 *     +4 |  free  |
 	 */
-	errno = 0;
 	addr = base_addr + (2 * page_size);
 	size = page_size;
 	p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0);
-	printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
-
 	if (p != MAP_FAILED) {
 		dump_maps();
-		printf("Error:2: mmap() succeeded when it shouldn't have\n");
-		return 1;
+		ksft_exit_fail_msg("Error:2: mmap() succeeded when it shouldn't have\n");
 	}
+	ksft_test_result_pass("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
 
 	/*
 	 * Overlap end of existing mapping:
@@ -141,17 +121,14 @@ int main(void)
 	 *     +3 | mapped | new
 	 *     +4 |  free  | new
 	 */
-	errno = 0;
 	addr = base_addr + (3 * page_size);
 	size = 2 * page_size;
 	p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0);
-	printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
-
 	if (p != MAP_FAILED) {
 		dump_maps();
-		printf("Error:3: mmap() succeeded when it shouldn't have\n");
-		return 1;
+		ksft_exit_fail_msg("Error:3: mmap() succeeded when it shouldn't have\n");
 	}
+	ksft_test_result_pass("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
 
 	/*
 	 * Overlap start of existing mapping:
@@ -161,17 +138,14 @@ int main(void)
 	 *     +3 | mapped |
 	 *     +4 |  free  |
 	 */
-	errno = 0;
 	addr = base_addr;
 	size = 2 * page_size;
 	p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0);
-	printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
-
 	if (p != MAP_FAILED) {
 		dump_maps();
-		printf("Error:4: mmap() succeeded when it shouldn't have\n");
-		return 1;
+		ksft_exit_fail_msg("Error:4: mmap() succeeded when it shouldn't have\n");
 	}
+	ksft_test_result_pass("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
 
 	/*
 	 * Adjacent to start of existing mapping:
@@ -181,17 +155,14 @@ int main(void)
 	 *     +3 | mapped |
 	 *     +4 |  free  |
 	 */
-	errno = 0;
 	addr = base_addr;
 	size = page_size;
 	p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0);
-	printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
-
 	if (p == MAP_FAILED) {
 		dump_maps();
-		printf("Error:5: mmap() failed when it shouldn't have\n");
-		return 1;
+		ksft_exit_fail_msg("Error:5: mmap() failed when it shouldn't have\n");
 	}
+	ksft_test_result_pass("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
 
 	/*
 	 * Adjacent to end of existing mapping:
@@ -201,27 +172,22 @@ int main(void)
 	 *     +3 | mapped |
 	 *     +4 |  free  |  new
 	 */
-	errno = 0;
 	addr = base_addr + (4 * page_size);
 	size = page_size;
 	p = mmap((void *)addr, size, PROT_NONE, flags, -1, 0);
-	printf("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
-
 	if (p == MAP_FAILED) {
 		dump_maps();
-		printf("Error:6: mmap() failed when it shouldn't have\n");
-		return 1;
+		ksft_exit_fail_msg("Error:6: mmap() failed when it shouldn't have\n");
 	}
+	ksft_test_result_pass("mmap() @ 0x%lx-0x%lx p=%p result=%m\n", addr, addr + size, p);
 
 	addr = base_addr;
 	size = 5 * page_size;
 	if (munmap((void *)addr, size) != 0) {
 		dump_maps();
-		printf("Error: munmap failed!?\n");
-		return 1;
+		ksft_exit_fail_msg("Error: munmap failed!?\n");
 	}
-	printf("unmap() successful\n");
+	ksft_test_result_pass("Base Address unmap() successful\n");
 
-	printf("OK\n");
-	return 0;
+	ksft_finished();
 }
-- 
2.42.0



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2024-01-31 14:05 [PATCH 01/12] selftests/mm: map_fixed_noreplace: conform test to TAP format output Muhammad Usama Anjum
2024-01-31 14:05 ` [PATCH 02/12] selftests/mm: map_hugetlb: " Muhammad Usama Anjum
2024-01-31 14:05 ` [PATCH 03/12] selftests/mm: map_populate: " Muhammad Usama Anjum
2024-01-31 14:05 ` [PATCH 04/12] selftests/mm: mlock-random-test: " Muhammad Usama Anjum
2024-01-31 14:05 ` [PATCH 05/12] selftests/mm: mlock2-tests: " Muhammad Usama Anjum
2024-01-31 14:05 ` [PATCH 06/12] selftests/mm: mrelease_test: " Muhammad Usama Anjum
2024-01-31 14:05 ` [PATCH 07/12] selftests/mm: mremap_dontunmap: " Muhammad Usama Anjum
2024-01-31 14:05 ` [PATCH 08/12] selftests/mm: split_huge_page_test: " Muhammad Usama Anjum
2024-01-31 14:05 ` [PATCH 09/12] selftests/mm: thp_settings: conform " Muhammad Usama Anjum
2024-01-31 14:05 ` [PATCH 10/12] selftests/mm: thuge-gen: " Muhammad Usama Anjum
2024-01-31 14:05 ` [PATCH 11/12] selftests/mm: transhuge-stress: " Muhammad Usama Anjum
2024-01-31 14:05 ` [PATCH 12/12] selftests/mm: virtual_address_range: " Muhammad Usama Anjum

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