ruby_prof_helper.rb

module Profiler
  self.singleton_class.instance_eval do
    attr_accessor :defaults
  end
  self.defaults = {
    open: true,
    path: 'tmp',
    name: 'profile'
  }
  def self.profile options = {}, &block
    options = defaults.merge options
    profile = RubyProf.profile(&block)
    RubyProf::MultiPrinter.new(profile)
      .print(:path => options[:path], :profile => options[:name])
    if options[:open]
      `open #{options[:path]}/#{options[:name]}.stack.html`
    end
    profile
  end
end