    # File lib/phusion_passenger/analytics_logger.rb, line 70
                    def begin_measure(name, extra_info = nil)
                            if extra_info
                                    extra_info_base64 = [extra_info].pack("m")
                                    extra_info_base64.gsub!("\n", "")
                                    extra_info_base64.strip!
                            else
                                    extra_info_base64 = nil
                            end
                            times = NativeSupport.process_times
                            message "BEGIN: #{name} (#{current_timestamp.to_s(36)},#{times.utime.to_s(36)},#{times.stime.to_s(36)}) #{extra_info_base64}"
                    end