    # File lib/stella/report.rb, line 338
            def metrics_pack
              return unless metrics
              pack = ::MetricsPack.new
              pack.update Stella.now, runid.shorten, metrics.requests, metrics.response_time, metrics.socket_connect, metrics.send_request.to_f.to_s,
                          metrics.first_byte, metrics.last_byte, metrics.request_headers_size, metrics.request_content_size,
                          metrics.response_headers_size, metrics.response_content_size, 0, error_count
              pack
            end