diff --git a/src/cpu/checker/cpu.hh b/src/cpu/checker/cpu.hh
index a508c56ba..6d6ae1e0a 100644
--- a/src/cpu/checker/cpu.hh
+++ b/src/cpu/checker/cpu.hh
@@ -170,7 +170,7 @@ class CheckerCPU : public BaseCPU
 
     virtual Counter totalInstructions() const
     {
-        return numInst - startNumInst;
+        return 0;
     }
 
     // number of simulated loads
diff --git a/src/python/m5/objects/Root.py b/src/python/m5/objects/Root.py
index 373475a7a..33dd22620 100644
--- a/src/python/m5/objects/Root.py
+++ b/src/python/m5/objects/Root.py
@@ -7,7 +7,7 @@ from Debug import Debug
 
 class Root(SimObject):
     type = 'Root'
-    clock = Param.RootClock('200MHz', "tick frequency")
+    clock = Param.RootClock('1THz', "tick frequency")
     max_tick = Param.Tick('0', "maximum simulation ticks (0 = infinite)")
     progress_interval = Param.Tick('0',
         "print a progress message every n ticks (0 = never)")