static volatile int sink_target;
volatile int *value_sink = &sink_target;
+static struct resctrl_test *resctrl_tests[] = {
+ &mbm_test,
+ &mba_test,
+ &cmt_test,
+ &l3_cat_test,
+};
+
static int detect_vendor(void)
{
FILE *inf = fopen("/proc/cpuinfo", "r");
static void cmd_help(void)
{
+ int i;
+
printf("usage: resctrl_tests [-h] [-t test list] [-n no_of_bits] [-b benchmark_cmd [option]...]\n");
printf("\t-b benchmark_cmd [option]...: run specified benchmark for MBM, MBA and CMT\n");
printf("\t default benchmark is builtin fill_buf\n");
printf("\t-t test list: run tests specified in the test list, ");
printf("e.g. -t mbm,mba,cmt,cat\n");
+ printf("\t\tSupported tests:\n");
+ for (i = 0; i < ARRAY_SIZE(resctrl_tests); i++)
+ printf("\t\t\t%s\n", resctrl_tests[i]->name);
printf("\t-n no_of_bits: run cache tests using specified no of bits in cache bit mask\n");
printf("\t-p cpu_no: specify CPU number to run the test. 1 is default\n");
printf("\t-h: help\n");
signal_handler_unregister();
}
-static void run_mbm_test(const struct user_params *uparams)
+static bool test_vendor_specific_check(const struct resctrl_test *test)
{
- int res;
-
- ksft_print_msg("Starting MBM BW change ...\n");
-
- if (test_prepare()) {
- ksft_exit_fail_msg("Abnormal failure when preparing for the test\n");
- return;
- }
-
- if (!validate_resctrl_feature_request("L3_MON", "mbm_total_bytes") ||
- !validate_resctrl_feature_request("L3_MON", "mbm_local_bytes") ||
- (get_vendor() != ARCH_INTEL)) {
- ksft_test_result_skip("Hardware does not support MBM or MBM is disabled\n");
- goto cleanup;
- }
-
- res = mbm_bw_change(uparams);
- ksft_test_result(!res, "MBM: bw change\n");
- if ((get_vendor() == ARCH_INTEL) && res)
- ksft_print_msg("Intel MBM may be inaccurate when Sub-NUMA Clustering is enabled. Check BIOS configuration.\n");
+ if (!test->vendor_specific)
+ return true;
-cleanup:
- test_cleanup();
+ return get_vendor() & test->vendor_specific;
}
-static void run_mba_test(const struct user_params *uparams)
+static void run_single_test(const struct resctrl_test *test, const struct user_params *uparams)
{
- int res;
-
- ksft_print_msg("Starting MBA Schemata change ...\n");
+ int ret;
- if (test_prepare()) {
- ksft_exit_fail_msg("Abnormal failure when preparing for the test\n");
+ if (test->disabled)
return;
- }
- if (!validate_resctrl_feature_request("MB", NULL) ||
- !validate_resctrl_feature_request("L3_MON", "mbm_local_bytes") ||
- (get_vendor() != ARCH_INTEL)) {
- ksft_test_result_skip("Hardware does not support MBA or MBA is disabled\n");
- goto cleanup;
- }
-
- res = mba_schemata_change(uparams);
- ksft_test_result(!res, "MBA: schemata change\n");
-
-cleanup:
- test_cleanup();
-}
-
-static void run_cmt_test(const struct user_params *uparams)
-{
- int res;
-
- ksft_print_msg("Starting CMT test ...\n");
-
- if (test_prepare()) {
- ksft_exit_fail_msg("Abnormal failure when preparing for the test\n");
+ if (!test_vendor_specific_check(test)) {
+ ksft_test_result_skip("Hardware does not support %s\n", test->name);
return;
}
- if (!validate_resctrl_feature_request("L3_MON", "llc_occupancy") ||
- !validate_resctrl_feature_request("L3", NULL)) {
- ksft_test_result_skip("Hardware does not support CMT or CMT is disabled\n");
- goto cleanup;
- }
-
- res = cmt_resctrl_val(uparams);
- ksft_test_result(!res, "CMT: test\n");
- if ((get_vendor() == ARCH_INTEL) && res)
- ksft_print_msg("Intel CMT may be inaccurate when Sub-NUMA Clustering is enabled. Check BIOS configuration.\n");
-
-cleanup:
- test_cleanup();
-}
-
-static void run_cat_test(const struct user_params *uparams)
-{
- int res;
-
- ksft_print_msg("Starting CAT test ...\n");
+ ksft_print_msg("Starting %s test ...\n", test->name);
if (test_prepare()) {
ksft_exit_fail_msg("Abnormal failure when preparing for the test\n");
return;
}
- if (!validate_resctrl_feature_request("L3", NULL)) {
- ksft_test_result_skip("Hardware does not support CAT or CAT is disabled\n");
+ if (!test->feature_check(test)) {
+ ksft_test_result_skip("Hardware does not support %s or %s is disabled\n",
+ test->name, test->name);
goto cleanup;
}
- res = cat_perf_miss_val(uparams, "L3");
- ksft_test_result(!res, "CAT: test\n");
+ ret = test->run_test(test, uparams);
+ ksft_test_result(!ret, "%s: test\n", test->name);
cleanup:
test_cleanup();
int main(int argc, char **argv)
{
- bool mbm_test = true, mba_test = true, cmt_test = true;
+ int tests = ARRAY_SIZE(resctrl_tests);
+ bool test_param_seen = false;
struct user_params uparams;
char *span_str = NULL;
- bool cat_test = true;
- int tests = 0;
int ret, c, i;
init_user_params(&uparams);
case 't':
token = strtok(optarg, ",");
- mbm_test = false;
- mba_test = false;
- cmt_test = false;
- cat_test = false;
+ if (!test_param_seen) {
+ for (i = 0; i < ARRAY_SIZE(resctrl_tests); i++)
+ resctrl_tests[i]->disabled = true;
+ tests = 0;
+ test_param_seen = true;
+ }
while (token) {
- if (!strncmp(token, MBM_STR, sizeof(MBM_STR))) {
- mbm_test = true;
- tests++;
- } else if (!strncmp(token, MBA_STR, sizeof(MBA_STR))) {
- mba_test = true;
- tests++;
- } else if (!strncmp(token, CMT_STR, sizeof(CMT_STR))) {
- cmt_test = true;
- tests++;
- } else if (!strncmp(token, CAT_STR, sizeof(CAT_STR))) {
- cat_test = true;
- tests++;
- } else {
- printf("invalid argument\n");
+ bool found = false;
+
+ for (i = 0; i < ARRAY_SIZE(resctrl_tests); i++) {
+ if (!strcasecmp(token, resctrl_tests[i]->name)) {
+ if (resctrl_tests[i]->disabled)
+ tests++;
+ resctrl_tests[i]->disabled = false;
+ found = true;
+ }
+ }
+
+ if (!found) {
+ printf("invalid test: %s\n", token);
return -1;
}
uparams.benchmark_cmd[5] = NULL;
}
- ksft_set_plan(tests ? : 4);
-
- if (mbm_test)
- run_mbm_test(&uparams);
-
- if (mba_test)
- run_mba_test(&uparams);
-
- if (cmt_test)
- run_cmt_test(&uparams);
+ ksft_set_plan(tests);
- if (cat_test)
- run_cat_test(&uparams);
+ for (i = 0; i < ARRAY_SIZE(resctrl_tests); i++)
+ run_single_test(resctrl_tests[i], &uparams);
free(span_str);
ksft_finished();
projects / linux-2.6-microblaze.git / blobdiff