vendor/rails/railties/lib/rubyprof_ext.rb

   1 require 'prof'
   2
   3 module Prof #:nodoc:
   4   # Adapted from Shugo Maeda's unprof.rb
   5   def self.print_profile(results, io = $stderr)
   6     total = results.detect { |i|
   7       i.method_class.nil? && i.method_id == :"#toplevel"
   8     }.total_time
   9     total = 0.001 if total < 0.001
  10
  11     io.puts "  %%   cumulative   self              self     total"
  12     io.puts " time   seconds   seconds    calls  ms/call  ms/call  name"
  13
  14     sum = 0.0
  15     for r in results
  16       sum += r.self_time
  17
  18       name =  if r.method_class.nil?
  19                 r.method_id.to_s
  20               elsif r.method_class.is_a?(Class)
  21                 "#{r.method_class}##{r.method_id}"
  22               else
  23                 "#{r.method_class}.#{r.method_id}"
  24               end
  25       io.printf "%6.2f %8.3f  %8.3f %8d %8.2f %8.2f  %s\n",
  26         r.self_time / total * 100,
  27         sum,
  28         r.self_time,
  29         r.count,
  30         r.self_time * 1000 / r.count,
  31         r.total_time * 1000 / r.count,
  32         name
  33     end
  34   end
  35 end