brynary/rack-bug

#
module Rack
  class Bug

    class MemoryPanel < Panel

      def before(env)
        @original_memory = `ps -o rss= -p #{$$}`.to_i
      end

      def after(env, status, headers, body)
        @total_memory = `ps -o rss= -p #{$$}`.to_i
        @memory_increase = @total_memory - @original_memory
      end

      def heading
        "#{@memory_increase} KB &#916;, #{@total_memory} KB total"
      end

      def has_content?
        false
      end

    end

  end
end