// each core.
func (topo *CPUTopology) CPUsPerCore() int {
	if topo.NumCores == 0 {
		return 0
	}
	return topo.NumCPUs / topo.NumCores
}

// CPUsPerSocket returns the number of logical CPUs are associated with
// each socket.
func (topo *CPUTopology) CPUsPerSocket() int {
	if topo.NumSockets == 0 {
		return 0
	}
	return topo.NumCPUs / topo.NumSockets
}

// "fully available" means that all the CPUs in it are free.
func (a *cpuAccumulator) isSocketFree(socketID int) bool {
	return a.details.CPUsInSockets(socketID).Size() == a.topo.CPUsPerSocket()
}

// Returns true if the supplied core is fully available in `a.details`.
// "fully available" means that all the CPUs in it are free.
func (a *cpuAccumulator) isCoreFree(coreID int) bool {