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selftests/mm: add a few options for uffd-unit-test

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Namely:

  "-f": add a wildcard filter for tests to run
  "-l": list tests rather than running any
  "-h": help msg

Link: https://lkml.kernel.org/r/20230417195317.898696-4-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: Mika Penttilä <mpenttil@redhat.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Nadav Amit <nadav.amit@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Peter Xu 2023-04-17 15:53:14 -04:00 committed by Andrew Morton
parent 0f230bc24b
commit 21337f2af1
1 changed files with 45 additions and 7 deletions
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52
tools/testing/selftests/mm/uffd-unit-tests.c
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@ -909,28 +909,65 @@ uffd_test_case_t uffd_tests[] = {
},
};
static void usage(const char *prog)
{
printf("usage: %s [-f TESTNAME]\n", prog);
puts("");
puts(" -f: test name to filter (e.g., event)");
puts(" -h: show the help msg");
puts(" -l: list tests only");
puts("");
exit(KSFT_FAIL);
}
int main(int argc, char *argv[])
{
int n_tests = sizeof(uffd_tests) / sizeof(uffd_test_case_t);
int n_mems = sizeof(mem_types) / sizeof(mem_type_t);
const char *test_filter = NULL;
bool list_only = false;
uffd_test_case_t *test;
mem_type_t *mem_type;
uffd_test_args_t args;
char test_name[128];
const char *errmsg;
int has_uffd;
int has_uffd, opt;
int i, j;
has_uffd = test_uffd_api(false);
has_uffd |= test_uffd_api(true);
while ((opt = getopt(argc, argv, "f:hl")) != -1) {
switch (opt) {
case 'f':
test_filter = optarg;
break;
case 'l':
list_only = true;
break;
case 'h':
default:
/* Unknown */
usage(argv[0]);
break;
}
}
if (!has_uffd) {
printf("Userfaultfd not supported or unprivileged, skip all tests\n");
exit(KSFT_SKIP);
if (!test_filter && !list_only) {
has_uffd = test_uffd_api(false);
has_uffd |= test_uffd_api(true);
if (!has_uffd) {
printf("Userfaultfd not supported or unprivileged, skip all tests\n");
exit(KSFT_SKIP);
}
}
for (i = 0; i < n_tests; i++) {
test = &uffd_tests[i];
if (test_filter && !strstr(test->name, test_filter))
continue;
if (list_only) {
printf("%s\n", test->name);
continue;
}
for (j = 0; j < n_mems; j++) {
mem_type = &mem_types[j];
if (!(test->mem_targets & mem_type->mem_flag))
@ -952,7 +989,8 @@ int main(int argc, char *argv[])
}
}
uffd_test_report();
if (!list_only)
uffd_test_report();
return ksft_get_fail_cnt() ? KSFT_FAIL : KSFT_PASS;
}