code: func convertResourceCPUToString(cpu *resource.Quantity, divisor resource.Quantity) (string, error) {
  	c := int64(math.Ceil(float64(cpu.MilliValue()) / float64(divisor.MilliValue())))
  	return strconv.FormatInt(c, 10), nil
  }
docs: // convertResourceCPUToString converts cpu value to the format of divisor and returns
  // ceiling of the value.