1 files changed, 11 insertions, 3 deletions
diff --git a/activesupport/lib/active_support/testing/performance/rubinius.rb b/activesupport/lib/active_support/testing/performance/rubinius.rb
index d91337c469..55fdd9fc9c 100644
--- a/activesupport/lib/active_support/testing/performance/rubinius.rb
+++ b/activesupport/lib/active_support/testing/performance/rubinius.rb
@@ -5,16 +5,20 @@ module ActiveSupport
     module Performance
       protected
         def run_gc
+          GC.run(true)
         end
 
-      module Metrics
-        class Base
+      module Metrics        
+        class Base          
+          # TODO
           def profile
             yield
           end
 
           protected
+            # overridden by each implementation
             def with_gc_stats
+              GC.run(true)
               yield
             end
         end
@@ -22,14 +26,18 @@ module ActiveSupport
         class Time < Base; end
         
         class ProcessTime < Time
+          # unsupported
           def measure; 0; end
         end
 
         class WallTime < Time
-          def measure; 0; end
+          def measure
+            super
+          end
         end
 
         class CpuTime < Time
+          # unsupported
           def measure; 0; end
         end