1 files changed, 59 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/testing/performance/ruby/mri.rb b/activesupport/lib/active_support/testing/performance/ruby/mri.rb
new file mode 100644
index 0000000000..86e650050b
--- /dev/null
+++ b/activesupport/lib/active_support/testing/performance/ruby/mri.rb
@@ -0,0 +1,59 @@
+module ActiveSupport
+  module Testing
+    module Performance
+      module Metrics
+        class Base
+          protected
+            # Ruby 1.8 + ruby-prof wrapper (enable/disable stats for Benchmarker)
+            if GC.respond_to?(:enable_stats)
+              def with_gc_stats
+                GC.enable_stats
+                GC.start
+                yield
+              ensure
+                GC.disable_stats
+              end
+            end
+        end
+            
+        class Memory < DigitalInformationUnit
+          # Ruby 1.8 + ruby-prof wrapper
+          if RubyProf.respond_to?(:measure_memory)
+            def measure
+              RubyProf.measure_memory
+            end
+          end
+        end
+          
+        class Objects < Amount
+          # Ruby 1.8 + ruby-prof wrapper
+          if RubyProf.respond_to?(:measure_allocations)
+            def measure
+              RubyProf.measure_allocations
+            end
+          end
+        end
+        
+        class GcRuns < Amount
+          # Ruby 1.8 + ruby-prof wrapper
+          if RubyProf.respond_to?(:measure_gc_runs)
+            def measure
+              RubyProf.measure_gc_runs
+            end
+          end
+        end
+        
+        class GcTime < Time
+          # Ruby 1.8 + ruby-prof wrapper
+          if RubyProf.respond_to?(:measure_gc_time)
+            def measure
+              RubyProf.measure_gc_time / 1000.0 / 1000.0
+            end
+          end
+        end
+      end
+    end
+  end
+end
+            
+