s.CgroupRoot = "/"
		}

		machineInfo, err := kubeDeps.CAdvisorInterface.MachineInfo()
		if err != nil {
			return err
		}
		reservedSystemCPUs, err := getReservedCPUs(machineInfo, s.ReservedSystemCPUs)
		if err != nil {
			return err
		}
		if reservedSystemCPUs.Size() > 0 {
			// at cmd option validation phase it is tested either --system-reserved-cgroup or --kube-reserved-cgroup is specified, so overwrite should be ok