module Prof

def self.print_profile(results, io = $stderr)
  total = results.detect { |i|
    i.method_class.nil? && i.method_id == :"#toplevel"
  }.total_time
  total = 0.001 if total < 0.001
  io.puts "  %%   cumulative   self              self     total"
  io.puts " time   seconds   seconds    calls  ms/call  ms/call  name"
  sum = 0.0
  for r in results
    sum += r.self_time
    name =  if r.method_class.nil?
              r.method_id.to_s
            elsif r.method_class.is_a?(Class)
              "#{r.method_class}##{r.method_id}"
            else
              "#{r.method_class}.#{r.method_id}"
            end
    io.printf "%6.2f %8.3f  %8.3f %8d %8.2f %8.2f  %s\n",
      r.self_time / total * 100,
      sum,
      r.self_time,
      r.count,
      r.self_time * 1000 / r.count,
      r.total_time * 1000 / r.count,
      name
  end
end