The patch titled
Subject: selftests/mm: map_populate: conform test to TAP format output
has been added to the -mm mm-unstable branch. Its filename is
selftests-mm-map_populate-conform-test-to-tap-format-output.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-mm-map_populate-conform-test-to-tap-format-output.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
Subject: selftests/mm: map_populate: conform test to TAP format output
Date: Fri, 2 Feb 2024 16:31:10 +0500
Conform the layout, informational and status messages to TAP. No
functional change is intended other than the layout of output messages.
Minor cleanups have also been included.
Link: https://lkml.kernel.org/r/20240202113119.2047740-4-usama.anjum@xxxxxxxxxxxxx
Signed-off-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
Cc: Shuah Khan <shuah@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/mm/map_populate.c | 37 ++++++++++++--------
1 file changed, 23 insertions(+), 14 deletions(-)
--- a/tools/testing/selftests/mm/map_populate.c~selftests-mm-map_populate-conform-test-to-tap-format-output
+++ a/tools/testing/selftests/mm/map_populate.c
@@ -16,19 +16,21 @@
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include "../kselftest.h"
#define MMAP_SZ 4096
-#define BUG_ON(condition, description) \
- do { \
- if (condition) { \
- fprintf(stderr, "[FAIL]\t%s:%d\t%s:%s\n", __func__, \
- __LINE__, (description), strerror(errno)); \
- exit(1); \
- } \
+#define BUG_ON(condition, description) \
+ do { \
+ if (condition) \
+ ksft_exit_fail_msg("[FAIL]\t%s:%d\t%s:%s\n", \
+ __func__, __LINE__, (description), \
+ strerror(errno)); \
} while (0)
-static int parent_f(int sock, unsigned long *smap, int child)
+#define TESTS_IN_CHILD 2
+
+static void parent_f(int sock, unsigned long *smap, int child)
{
int status, ret;
@@ -43,9 +45,10 @@ static int parent_f(int sock, unsigned l
BUG_ON(ret <= 0, "write(sock)");
waitpid(child, &status, 0);
- BUG_ON(!WIFEXITED(status), "child in unexpected state");
- return WEXITSTATUS(status);
+ /* The ksft macros don't keep counters between processes */
+ ksft_cnt.ksft_pass = WEXITSTATUS(status);
+ ksft_cnt.ksft_fail = TESTS_IN_CHILD - WEXITSTATUS(status);
}
static int child_f(int sock, unsigned long *smap, int fd)
@@ -64,10 +67,11 @@ static int child_f(int sock, unsigned lo
ret = read(sock, &buf, sizeof(int));
BUG_ON(ret <= 0, "read(sock)");
- BUG_ON(*smap == 0x22222BAD, "MAP_POPULATE didn't COW private page");
- BUG_ON(*smap != 0xdeadbabe, "mapping was corrupted");
+ ksft_test_result(*smap != 0x22222BAD, "MAP_POPULATE COW private page\n");
+ ksft_test_result(*smap == 0xdeadbabe, "The mapping state\n");
- return 0;
+ /* The ksft macros don't keep counters between processes */
+ return ksft_cnt.ksft_pass;
}
int main(int argc, char **argv)
@@ -76,6 +80,9 @@ int main(int argc, char **argv)
FILE *ftmp;
unsigned long *smap;
+ ksft_print_header();
+ ksft_set_plan(TESTS_IN_CHILD);
+
ftmp = tmpfile();
BUG_ON(!ftmp, "tmpfile()");
@@ -101,7 +108,9 @@ int main(int argc, char **argv)
ret = close(sock[0]);
BUG_ON(ret, "close()");
- return parent_f(sock[1], smap, child);
+ parent_f(sock[1], smap, child);
+
+ ksft_finished();
}
ret = close(sock[1]);
_
Patches currently in -mm which might be from usama.anjum@xxxxxxxxxxxxx are
selftests-core-include-linux-close_rangeh-for-close_range_-macros.patch
selftests-mm-map_fixed_noreplace-conform-test-to-tap-format-output.patch
selftests-mm-map_hugetlb-conform-test-to-tap-format-output.patch
selftests-mm-map_populate-conform-test-to-tap-format-output.patch
selftests-mm-mlock-random-test-conform-test-to-tap-format-output.patch
selftests-mm-mlock2-tests-conform-test-to-tap-format-output.patch
selftests-mm-mrelease_test-conform-test-to-tap-format-output.patch
selftests-mm-mremap_dontunmap-conform-test-to-tap-format-output.patch
selftests-mm-split_huge_page_test-conform-test-to-tap-format-output.patch
selftests-mm-thp_settings-conform-to-tap-format-output.patch
selftests-mm-thuge-gen-conform-to-tap-format-output.patch
selftests-mm-transhuge-stress-conform-to-tap-format-output.patch
selftests-mm-virtual_address_range-conform-to-tap-format-output.patch
selftests-mm-hugetlb_reparenting_test-do-not-unmount.patch
selftests-mm-run_vmtests-remove-sudo-and-conform-to-tap.patch
selftests-mm-run_vmtests-remove-sudo-and-conform-to-tap-fix.patch
selftests-mm-save-and-restore-nr_hugepages-value.patch
selftests-mm-protection_keys-save-restore-nr_hugepages-settings.patch
selftests-mm-run_vmtestssh-add-missing-tests.patch
selftests-mm-run_vmtestssh-add-missing-tests-fix.patch
