code: func getLoad() (loads []float64, err error) {
  	data, err := ioutil.ReadFile(procFilePath("loadavg"))
  	if err != nil {
  		return nil, err
  	}
  	loads, err = parseLoad(string(data))
  	if err != nil {
  		return nil, err
  	}
  	return loads, nil
  }
docs: // Read loadavg from /proc.