if a.isNUMANodeFree(numa) {
			free = append(free, numa)
		}
	}
	return free
}

// Returns free socket IDs as a slice sorted by sortAvailableSockets().
func (a *cpuAccumulator) freeSockets() []int {
	free := []int{}
	for _, socket := range a.sortAvailableSockets() {
		if a.isSocketFree(socket) {
			free = append(free, socket)
		}
	}
	return free
}