diff --git a/config_spec.yml b/config_spec.yml
index b858606e685..b8090035d18 100644
--- a/config_spec.yml
+++ b/config_spec.yml
@@ -253,3 +253,9 @@ perf:
   cache_shaders:
     type: bool
     default: true
+  override_clockspeed: 
+    type: bool
+    default: false
+  cpu_clockspeed_scale:
+    type: number
+    default: 1