    # File lib/merb-core/controller/merb_controller.rb, line 281
      def _dispatch(action=:index)
        Merb.logger.info { "Params: #{self.class._filter_params(request.params).inspect}" }
        start = Time.now
        if self.class.callable_actions.include?(action.to_s)
          super(action)
        else
          raise ActionNotFound, "Action '#{action}' was not found in #{self.class}"
        end
        @_benchmarks[:action_time] = Time.now - start
        self
      end