// Input parameters and resulting value is number of microseconds.
func MilliCPUToQuota(milliCPU int64, period int64) (quota int64) {
	// CFS quota is measured in two values:
	//  - cfs_period_us=100ms (the amount of time to measure usage across given by period)
	//  - cfs_quota=20ms (the amount of cpu time allowed to be used across a period)
	// so in the above example, you are limited to 20% of a single CPU

	cgroupManager CgroupManager
	// Maximum number of pids in a pod
	podPidsLimit int64
	// enforceCPULimits controls whether cfs quota is enforced or not
	enforceCPULimits bool
	// cpuCFSQuotaPeriod is the cfs period value, cfs_period_us, setting per
	// node for all containers in usec
	cpuCFSQuotaPeriod uint64
}

// Make sure that podContainerManagerImpl implements the PodContainerManager interface

	if errInt != nil {
		return nil, fmt.Errorf("failed to convert CPU quota as integer for cgroup %v: %v", cgroupPath, errInt)
	}
	cpuPeriod, errP := fscommon.GetCgroupParamUint(cgroupPath, "cpu.cfs_period_us")
	if errP != nil {
		return nil, fmt.Errorf("failed to read CPU period for cgroup %v: %v", cgroupPath, errP)
	}
	cpuShares, errS := fscommon.GetCgroupParamUint(cgroupPath, "cpu.shares")
	if errS != nil {

	// CPU cgroup is required and so it expected to be mounted at this point.
	periodExists, err := utilpath.Exists(utilpath.CheckFollowSymlink, path.Join(cpuMountPoint, "cpu.cfs_period_us"))
	if err != nil {
		klog.ErrorS(err, "Failed to detect if CPU cgroup cpu.cfs_period_us is available")
	}
	quotaExists, err := utilpath.Exists(utilpath.CheckFollowSymlink, path.Join(cpuMountPoint, "cpu.cfs_quota_us"))
	if err != nil {

	RunOnce bool
	// cpuCFSQuota enables CPU CFS quota enforcement for containers that
	// specify CPU limits
	CPUCFSQuota bool
	// CPUCFSQuotaPeriod sets the CPU CFS quota period value, cpu.cfs_period_us, defaults to 100ms
	CPUCFSQuotaPeriod metav1.Duration
	// maxOpenFiles is Number of files that can be opened by Kubelet process.
	MaxOpenFiles int64

	fs.DurationVar(&c.CPUCFSQuotaPeriod.Duration, "cpu-cfs-quota-period", c.CPUCFSQuotaPeriod.Duration, "Sets CPU CFS quota period value, cpu.cfs_period_us, defaults to Linux Kernel default")