public double calculate(HostData host) {
ArrayList<VmAllocation> vms =
new ArrayList<VmAllocation>(host.getHost().getVMAllocations());
vms.add(host.getHost().getPrivDomainAllocation());
int cpu = 0;
int mem = 0;
double bw = 0;
for (VmAllocation vm : vms) {
// If the VMAllocation has an associated VM, record its resource allocation.
if (vm.getVm() != null) cpu += vm.getCpu();
mem += vm.getMemory();
bw += vm.getBandwidth();
}
Resources res = host.getHostDescription().getResourceCapacity();
return (cpu * mem * bw) / (res.getCpu() * res.getMemory() * res.getBandwidth());
}
