[PATCH v8 12/13] selftests/resctrl: Disable MBA and MBM tests for AMD

[Fenghua Yu]

From: Babu Moger <babu.moger@xxxxxxx>

For now, disable MBA and MBM tests for AMD. Deciding test pass/fail
is not clear right now. We can enable when we have some clarity.

Signed-off-by: Babu Moger <babu.moger@xxxxxxx>
Signed-off-by: Fenghua Yu <fenghua.yu@xxxxxxxxx>
---
 tools/testing/selftests/resctrl/cat_test.c      | 4 ++--
 tools/testing/selftests/resctrl/resctrl_tests.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/resctrl/cat_test.c b/tools/testing/selftests/resctrl/cat_test.c
index c194fcc42407..5da43767b973 100644
--- a/tools/testing/selftests/resctrl/cat_test.c
+++ b/tools/testing/selftests/resctrl/cat_test.c
@@ -64,8 +64,8 @@ static void show_cache_info(unsigned long sum_llc_perf_miss, int no_of_bits,
 				allocated_cache_lines * 100;
 
 	printf("%sok CAT: cache miss rate within %d%%\n",
-	       abs((int)diff_percent) > MAX_DIFF_PERCENT ? "not " : "",
-	       MAX_DIFF_PERCENT);
+	       !is_amd && abs((int)diff_percent) > MAX_DIFF_PERCENT ?
+	       "not " : "", MAX_DIFF_PERCENT);
 	tests_run++;
 	printf("# Percent diff=%d\n", abs((int)diff_percent));
 	printf("# Number of bits: %d\n", no_of_bits);
diff --git a/tools/testing/selftests/resctrl/resctrl_tests.c b/tools/testing/selftests/resctrl/resctrl_tests.c
index 884e918b1e97..425cc85ac883 100644
--- a/tools/testing/selftests/resctrl/resctrl_tests.c
+++ b/tools/testing/selftests/resctrl/resctrl_tests.c
@@ -158,7 +158,7 @@ int main(int argc, char **argv)
 	check_resctrlfs_support();
 	filter_dmesg();
 
-	if (mbm_test) {
+	if (!is_amd && mbm_test) {
 		printf("# Starting MBM BW change ...\n");
 		if (!has_ben)
 			sprintf(benchmark_cmd[5], "%s", "mba");
@@ -168,7 +168,7 @@ int main(int argc, char **argv)
 		tests_run++;
 	}
 
-	if (mba_test) {
+	if (!is_amd && mba_test) {
 		printf("# Starting MBA Schemata change ...\n");
 		if (!has_ben)
 			sprintf(benchmark_cmd[1], "%d", span);
-- 
2.19.1