<%= @count %> records processed
<%= @time_start %> => start controller
<%= @time_after_db %> => after database operations (<%= @time_after_db - @time_start %> seconds)
<%= @time_after_sort %> => after sorting (<%= @time_after_sort - @time_after_db %> seconds)
<%= @time_after_json %> => after to_json is processed (<%= @time_after_json - @time_after_sort %> seconds)
<%= Time.now %> => after view output (<%= Time.now - @time_after_json %> seconds)