$:.unshift File.expand_path('../lib', __FILE__) require 'stackprof' class A def initialize pow self.class.newobj math end def pow 2 ** 100 end def self.newobj Object.new Object.new end def math 2.times do 2 + 3 * 4 ^ 5 / 6 end end end #profile = StackProf.run(:object, 1) do #profile = StackProf.run(:wall, 1000) do profile = StackProf.run(:cpu, 1000) do 1_000_000.times do A.new end end result = StackProf::Report.new(profile) puts result.print_method(/pow|newobj|math/) puts result.print_text puts result.print_graphviz puts result.print_debug