}

func detectNumCPU() int {
	// try get numCPU from /sys firstly due to a known issue (https://github.com/kubernetes/kubernetes/issues/99225)
	_, numCPU, err := machine.GetTopology(sysfs.NewRealSysFs())
	if err != nil || numCPU < 1 {
		return goruntime.NumCPU()
	}
	return numCPU
}