diff -r edde97a6ea7c -r 73d1aaf6c6ff src/sim/eventq.hh
--- a/src/sim/eventq.hh	Sun Apr 18 21:33:59 2010 -0700
+++ b/src/sim/eventq.hh	Sun Apr 18 22:24:37 2010 -0700
@@ -49,6 +49,11 @@
 #include "base/types.hh"
 #include "sim/serialize.hh"
 
+#ifndef NDEBUG
+#define EVENTQ_STATS
+#include "base/statistics.hh"
+#endif
+
 class EventQueue;       // forward declaration
 
 extern EventQueue mainEventQueue;
@@ -420,7 +425,19 @@
 #ifndef SWIG
     virtual void serialize(std::ostream &os);
     virtual void unserialize(Checkpoint *cp, const std::string &section);
-#endif
+
+    void regStats();
+#ifdef EVENTQ_STATS
+    Stats::Scalar scheduled;
+    Stats::Scalar descheduled;
+    Stats::Scalar rescheduled;
+    Stats::Scalar squashed;
+
+    Stats::Formula deschedule_rate;
+    Stats::Formula reschedule_rate;
+    Stats::Formula squash_rate;
+#endif // EVENTQ_STATS
+#endif // SWIG
 };
 
 #ifndef SWIG
@@ -500,6 +517,10 @@
 
     if (DTRACE(Event))
         event->trace("scheduled");
+
+#ifdef EVENTQ_STATS
+    scheduled++;
+#endif
 }
 
 inline void
@@ -518,6 +539,10 @@
 
     if (DTRACE(Event))
         event->trace("descheduled");
+
+#ifdef EVENTQ_STATS
+    descheduled++;
+#endif
 }
 
 inline void
@@ -541,6 +566,10 @@
 
     if (DTRACE(Event))
         event->trace("rescheduled");
+
+#ifdef EVENTQ_STATS
+    rescheduled++;
+#endif
 }
 
 template <class T, void (T::* F)()>
diff -r edde97a6ea7c -r 73d1aaf6c6ff src/sim/eventq.cc
--- a/src/sim/eventq.cc	Sun Apr 18 21:33:59 2010 -0700
+++ b/src/sim/eventq.cc	Sun Apr 18 22:24:37 2010 -0700
@@ -207,6 +207,9 @@
         }
     } else {
         event->flags.clear(Event::Squashed);
+#ifdef EVENTQ_STATS
+        squashed++;
+#endif
     }
 
     if (event->flags.isSet(Event::AutoDelete) && !event->scheduled())
@@ -412,3 +415,48 @@
 EventQueue::EventQueue(const string &n)
     : objName(n), head(NULL)
 {}
+
+void
+EventQueue::regStats()
+{
+#ifdef EVENTQ_STATS
+    scheduled
+        .name(name() + ".scheduled")
+        .desc("Total number of events scheduled")
+        ;
+
+    descheduled
+        .name(name() + ".descheduled")
+        .desc("Total number of events descheduled")
+        ;
+
+    rescheduled
+        .name(name() + ".rescheduled")
+        .desc("Total number of events rescheduled")
+        ;
+
+    squashed
+        .name(name() + ".squashed")
+        .desc("Total number of events squashed from processing")
+        ;
+
+    deschedule_rate
+        .name(name() + ".deschedule_rate")
+        .desc("Rate of total deschedules to total schedules")
+        ;
+
+    reschedule_rate
+        .name(name() + ".reschedule_rate")
+        .desc("Rate of total reschedules to total schedules")
+        ;
+
+    squash_rate
+        .name(name() + ".squash_rate")
+        .desc("Rate of events squashed from processing to scheduled events")
+        ;
+
+    deschedule_rate = descheduled / scheduled;
+    reschedule_rate = rescheduled / scheduled;
+    squash_rate = squashed / scheduled;
+#endif // EVENTQ_STATS
+}
diff -r edde97a6ea7c -r 73d1aaf6c6ff src/sim/root.cc
--- a/src/sim/root.cc	Sun Apr 18 21:33:59 2010 -0700
+++ b/src/sim/root.cc	Sun Apr 18 22:24:37 2010 -0700
@@ -37,12 +37,19 @@
 
 #include "base/misc.hh"
 #include "params/Root.hh"
+#include "sim/eventq.hh"
 #include "sim/sim_object.hh"
 
 // Dummy Object
 struct Root : public SimObject
 {
     Root(RootParams *params) : SimObject(params) {}
+
+    void
+    regStats()
+    {
+        mainEventQueue.regStats();
+    }
 };
 
 Root *