Added track_as method

README.md

@@ -49,6 +49,21 @@ class MyClass
 end
 ```
 
+Also Rubik can track inline block execution times.
+
+```ruby
+class MyClass
+  include Rubik
+
+  def run
+    track_as 'myclass#run_method' do
+      # do some stuff
+      sleep 1
+    end
+  end
+end
+```
+
 ### Custom Metrics
 Just use the Rubik.push_metric method to push your custom metric.
 

lib/rubik.rb

@@ -6,6 +6,13 @@
 module Rubik
   extend ActiveSupport::Concern
 
+  def track_as key
+    start = Time.now.to_f
+    yield
+    delta = ((Time.now.to_f - start) * 1000).ceil
+    Rubik.push key, delta
+  end
+
   class << self
     SAMPLE_SIZE = 500
     attr_accessor :redis