vendor/rails/railties/lib/commands/performance/benchmarker.rb

   1 if ARGV.empty?
   2   puts "Usage: ./script/performance/benchmarker [times] 'Person.expensive_way' 'Person.another_expensive_way' ..."
   3   exit 1
   4 end
   5
   6 begin
   7   N = Integer(ARGV.first)
   8   ARGV.shift
   9 rescue ArgumentError
  10   N = 1
  11 end
  12
  13 require RAILS_ROOT + '/config/environment'
  14 require 'benchmark'
  15 include Benchmark
  16
  17 # Don't include compilation in the benchmark
  18 ARGV.each { |expression| eval(expression) }
  19
  20 bm(6) do |x|
  21   ARGV.each_with_index do |expression, idx|
  22     x.report("##{idx + 1}") { N.times { eval(expression) } }
  23   end
  24 end