diff --git a/src/module-cache.coffee b/src/module-cache.coffee
index c7e2c0b87..8ef68c011 100644
--- a/src/module-cache.coffee
+++ b/src/module-cache.coffee
@@ -99,6 +99,24 @@ getCachedModulePath = (relativePath, parentModule) ->
 
   undefined
 
+debug = false
+if debug
+  global.loadCount = 0
+  global.requireTime = 0
+
+  originalLoad = Module::load
+  Module::load = ->
+    global.loadCount++
+    originalLoad.apply(this, arguments)
+
+
+  originalRequire = Module::require
+  Module::require = ->
+    startTime = Date.now()
+    exports = originalRequire.apply(this, arguments)
+    global.requireTime += Date.now() - startTime
+    exports
+
 registered = false
 exports.register = ->
   return if registered