profiler.rb

# lib/profiler.rb

class Profiler

    def self.prof(file_name)
  
      RubyProf.start
      yield
      results = RubyProf.stop
  
      # Print a flat profile to text
      File.open "#{Rails.root}/tmp/profiler-#{file_name}-graph.html", 'w' do |file|
        RubyProf::GraphHtmlPrinter.new(results).print(file)
      end
      File.open "#{Rails.root}/tmp/profiler-#{file_name}-stack.html", 'w' do |file|
        RubyProf::CallStackPrinter.new(results).print(file)
      end
  
    end
  
  end