[PATCH v7 11/13] selftests/resctrl: Use cache index3 id for AMD schemata masks

[Fenghua Yu]

From: Babu Moger <babu.moger@xxxxxxx>

AMD uses the cache l3 boundary for schemata masks. Update it accordigly.

Signed-off-by: Babu Moger <babu.moger@xxxxxxx>
Signed-off-by: Fenghua Yu <fenghua.yu@xxxxxxxxx>
---
 tools/testing/selftests/resctrl/resctrlfs.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/resctrl/resctrlfs.c b/tools/testing/selftests/resctrl/resctrlfs.c
index 137b926955ca..0f834a7aad49 100644
--- a/tools/testing/selftests/resctrl/resctrlfs.c
+++ b/tools/testing/selftests/resctrl/resctrlfs.c
@@ -110,8 +110,13 @@ int get_resource_id(int cpu_no, int *resource_id)
 	char phys_pkg_path[1024];
 	FILE *fp;
 
-	sprintf(phys_pkg_path, "%s%d/topology/physical_package_id",
-		PHYS_ID_PATH, cpu_no);
+	if (authentic_amd)
+		sprintf(phys_pkg_path, "%s%d/cache/index3/id",
+			PHYS_ID_PATH, cpu_no);
+	else
+		sprintf(phys_pkg_path, "%s%d/topology/physical_package_id",
+			PHYS_ID_PATH, cpu_no);
+
 	fp = fopen(phys_pkg_path, "r");
 	if (!fp) {
 		perror("Failed to open physical_package_id");
-- 
2.7.4