The patch titled
Subject: selftests/mm: gup_test: conform test to TAP format output
has been added to the -mm mm-unstable branch. Its filename is
selftests-mm-gup_test-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-gup_test-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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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
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------------------------------------------------------
From: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
Subject: selftests/mm: gup_test: conform test to TAP format output
Date: Tue, 2 Jan 2024 10:38:06 +0500
Conform the layout, informational and status messages to TAP. No
functional change is intended other than the layout of output messages.
Link: https://lkml.kernel.org/r/20240102053807.2114200-1-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/gup_test.c | 65 ++++++++++++------------
1 file changed, 33 insertions(+), 32 deletions(-)
--- a/tools/testing/selftests/mm/gup_test.c~selftests-mm-gup_test-conform-test-to-tap-format-output
+++ a/tools/testing/selftests/mm/gup_test.c
@@ -50,39 +50,41 @@ static char *cmd_to_str(unsigned long cm
void *gup_thread(void *data)
{
struct gup_test gup = *(struct gup_test *)data;
- int i;
+ int i, status;
/* Only report timing information on the *_BENCHMARK commands: */
if ((cmd == PIN_FAST_BENCHMARK) || (cmd == GUP_FAST_BENCHMARK) ||
(cmd == PIN_LONGTERM_BENCHMARK)) {
for (i = 0; i < repeats; i++) {
gup.size = size;
- if (ioctl(gup_fd, cmd, &gup))
- perror("ioctl"), exit(1);
+ status = ioctl(gup_fd, cmd, &gup);
+ if (status)
+ break;
pthread_mutex_lock(&print_mutex);
- printf("%s: Time: get:%lld put:%lld us",
- cmd_to_str(cmd), gup.get_delta_usec,
- gup.put_delta_usec);
+ ksft_print_msg("%s: Time: get:%lld put:%lld us",
+ cmd_to_str(cmd), gup.get_delta_usec,
+ gup.put_delta_usec);
if (gup.size != size)
- printf(", truncated (size: %lld)", gup.size);
- printf("\n");
+ ksft_print_msg(", truncated (size: %lld)", gup.size);
+ ksft_print_msg("\n");
pthread_mutex_unlock(&print_mutex);
}
} else {
gup.size = size;
- if (ioctl(gup_fd, cmd, &gup)) {
- perror("ioctl");
- exit(1);
- }
+ status = ioctl(gup_fd, cmd, &gup);
+ if (status)
+ goto return_;
pthread_mutex_lock(&print_mutex);
- printf("%s: done\n", cmd_to_str(cmd));
+ ksft_print_msg("%s: done\n", cmd_to_str(cmd));
if (gup.size != size)
- printf("Truncated (size: %lld)\n", gup.size);
+ ksft_print_msg("Truncated (size: %lld)\n", gup.size);
pthread_mutex_unlock(&print_mutex);
}
+return_:
+ ksft_test_result(!status, "ioctl status %d\n", status);
return NULL;
}
@@ -170,7 +172,7 @@ int main(int argc, char **argv)
touch = 1;
break;
default:
- return -1;
+ ksft_exit_fail_msg("Wrong argument\n");
}
}
@@ -198,11 +200,12 @@ int main(int argc, char **argv)
}
}
+ ksft_print_header();
+ ksft_set_plan(nthreads);
+
filed = open(file, O_RDWR|O_CREAT);
- if (filed < 0) {
- perror("open");
- exit(filed);
- }
+ if (filed < 0)
+ ksft_exit_fail_msg("Unable to open %s: %s\n", file, strerror(errno));
gup.nr_pages_per_call = nr_pages;
if (write)
@@ -213,27 +216,24 @@ int main(int argc, char **argv)
switch (errno) {
case EACCES:
if (getuid())
- printf("Please run this test as root\n");
+ ksft_print_msg("Please run this test as root\n");
break;
case ENOENT:
- if (opendir("/sys/kernel/debug") == NULL) {
- printf("mount debugfs at /sys/kernel/debug\n");
- break;
- }
- printf("check if CONFIG_GUP_TEST is enabled in kernel config\n");
+ if (opendir("/sys/kernel/debug") == NULL)
+ ksft_print_msg("mount debugfs at /sys/kernel/debug\n");
+ ksft_print_msg("check if CONFIG_GUP_TEST is enabled in kernel config\n");
break;
default:
- perror("failed to open " GUP_TEST_FILE);
+ ksft_print_msg("failed to open %s: %s\n", GUP_TEST_FILE, strerror(errno));
break;
}
- exit(KSFT_SKIP);
+ ksft_test_result_skip("Please run this test as root\n");
+ return ksft_exit_pass();
}
p = mmap(NULL, size, PROT_READ | PROT_WRITE, flags, filed, 0);
- if (p == MAP_FAILED) {
- perror("mmap");
- exit(1);
- }
+ if (p == MAP_FAILED)
+ ksft_exit_fail_msg("mmap: %s\n", strerror(errno));
gup.addr = (unsigned long)p;
if (thp == 1)
@@ -264,7 +264,8 @@ int main(int argc, char **argv)
ret = pthread_join(tid[i], NULL);
assert(ret == 0);
}
+
free(tid);
- return 0;
+ return ksft_exit_pass();
}
_
Patches currently in -mm which might be from usama.anjum@xxxxxxxxxxxxx are
mm-selftests-hugepage-mremap-conform-test-to-tap-format-output.patch
selftests-mm-gup_test-conform-test-to-tap-format-output.patch
