Commit 21337f2a authored by Peter Xu's avatar Peter Xu Committed by Andrew Morton

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

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.comSigned-off-by: default avatarPeter Xu <peterx@redhat.com>
Reviewed-by: default avatarDavid 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: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 0f230bc2
...@@ -909,18 +909,48 @@ uffd_test_case_t uffd_tests[] = { ...@@ -909,18 +909,48 @@ 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 main(int argc, char *argv[])
{ {
int n_tests = sizeof(uffd_tests) / sizeof(uffd_test_case_t); int n_tests = sizeof(uffd_tests) / sizeof(uffd_test_case_t);
int n_mems = sizeof(mem_types) / sizeof(mem_type_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; uffd_test_case_t *test;
mem_type_t *mem_type; mem_type_t *mem_type;
uffd_test_args_t args; uffd_test_args_t args;
char test_name[128]; char test_name[128];
const char *errmsg; const char *errmsg;
int has_uffd; int has_uffd, opt;
int i, j; int i, j;
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 (!test_filter && !list_only) {
has_uffd = test_uffd_api(false); has_uffd = test_uffd_api(false);
has_uffd |= test_uffd_api(true); has_uffd |= test_uffd_api(true);
...@@ -928,9 +958,16 @@ int main(int argc, char *argv[]) ...@@ -928,9 +958,16 @@ int main(int argc, char *argv[])
printf("Userfaultfd not supported or unprivileged, skip all tests\n"); printf("Userfaultfd not supported or unprivileged, skip all tests\n");
exit(KSFT_SKIP); exit(KSFT_SKIP);
} }
}
for (i = 0; i < n_tests; i++) { for (i = 0; i < n_tests; i++) {
test = &uffd_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++) { for (j = 0; j < n_mems; j++) {
mem_type = &mem_types[j]; mem_type = &mem_types[j];
if (!(test->mem_targets & mem_type->mem_flag)) if (!(test->mem_targets & mem_type->mem_flag))
...@@ -952,6 +989,7 @@ int main(int argc, char *argv[]) ...@@ -952,6 +989,7 @@ int main(int argc, char *argv[])
} }
} }
if (!list_only)
uffd_test_report(); uffd_test_report();
return ksft_get_fail_cnt() ? KSFT_FAIL : KSFT_PASS; return ksft_get_fail_cnt() ? KSFT_FAIL : KSFT_PASS;
......
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