code: func (task *Task) buildExplicitLinuxCPUSpec() (specs.LinuxCPU, error) {
  	if task.CPU > maxTaskVCPULimit {
  		return specs.LinuxCPU{},
  			errors.Errorf("task CPU spec builder: unsupported CPU limits, requested=%f, max-supported=%d",
  				task.CPU, maxTaskVCPULimit)
  	}
  	taskCPUPeriod := uint64(defaultCPUPeriod / time.Microsecond)
  	taskCPUQuota := int64(task.CPU * float64(taskCPUPeriod))
  
  	// TODO: DefaultCPUPeriod only permits 10VCPUs.
  	// Adaptive calculation of CPUPeriod required for further support
  	// (samuelkarp) The largest available EC2 instance in terms of CPU count is a x1.32xlarge,
  	// with 128 vCPUs. If we assume a fixed evaluation period of 100ms (100000us),
  	// we'd need a quota of 12800000us, which is longer than the maximum of 1000000.
  	// For 128 vCPUs, we'd probably need something like a 1ms (1000us - the minimum)
  	// evaluation period, an 128000us quota in order to stay within the min/max limits.
  	return specs.LinuxCPU{
  		Quota:  &taskCPUQuota,
  		Period: &taskCPUPeriod,
  	}, nil
  }
docs: // buildExplicitLinuxCPUSpec builds CPU spec when task CPU limits are
  // explicitly requested