selftests/resctrl: Use cache index3 id for AMD schemata masks

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

Signed-off-by: Babu Moger <babu.moger@amd.com>
Co-developed-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>

diff --git a/tools/testing/selftests/resctrl/resctrlfs.c b/tools/testing/selftests/resctrl/resctrlfs.c
index 8772c8c4d5d0cb88d64447803c1705c93cf1578f..19c0ec4045a40b242d2186a5e724022642cb1d6b 100644 (file)
--- a/tools/testing/selftests/resctrl/resctrlfs.c
+++ b/tools/testing/selftests/resctrl/resctrlfs.c
@@ -113,8 +113,13 @@ 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 (is_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");