getting profile for rails

gistfile1.rb

def prof(&block)
  result = RubyProf.profile(&block)
  filename = "result-#{Time.now.to_i}.html"
  File.open(filename, 'w') do |file|
    RubyProf::FlatPrinter.new(result).print(file, :min_percent => 1)
  end
  puts "=> #{filename}"
end

# Load the rails application
require File.expand_path('../application', __FILE__)

prof do
  # Initialize the rails application
  Rails3Profile::Application.initialize!
end