org.cloudbus.cloudsim

Class VmScheduler

java.lang.Object

org.cloudbus.cloudsim.VmScheduler

Direct Known Subclasses:

VmSchedulerSpaceShared, VmSchedulerTimeShared

public abstract class VmScheduler
extends Object

VmScheduler is an abstract class that represents the policy used by a VMM to share processing power among VMs running in a host.

Since:

CloudSim Toolkit 1.0

Author:

Rodrigo N. Calheiros, Anton Beloglazov

Constructor Summary

Constructors

Constructor and Description
VmScheduler(List<? extends Pe> pelist) Creates a new HostAllocationPolicy.

Method Summary

Methods

Modifier and Type	Method and Description
abstract boolean	allocatePesForVm(Vm vm, List<Double> mipsShare) Allocates PEs for a VM.
void	deallocatePesForAllVms() Releases PEs allocated to all the VMs.
abstract void	deallocatePesForVm(Vm vm) Releases PEs allocated to a VM.
List<Double>	getAllocatedMipsForVm(Vm vm) Returns the MIPS share of each Pe that is allocated to a given VM.
double	getAvailableMips() Gets the free mips.
double	getMaxAvailableMips() Returns maximum available MIPS among all the PEs.
protected Map<String,List<Double>>	getMipsMap() Gets the mips map.
double	getPeCapacity() Returns PE capacity in MIPS.
<T extends Pe> List<T>	getPeList() Gets the vm list.
Map<String,List<Pe>>	getPeMap() Gets the pe map.
List<Pe>	getPesAllocatedForVM(Vm vm) Gets the pes allocated for vm.
double	getTotalAllocatedMipsForVm(Vm vm) Gets the total allocated MIPS for a VM over all the PEs.
List<String>	getVmsMigratingIn() Gets the vms migrating in.
List<String>	getVmsMigratingOut() Gets the vms in migration.
protected void	setAvailableMips(double availableMips) Sets the free mips.
protected void	setMipsMap(Map<String,List<Double>> mipsMap) Sets the mips map.
protected <T extends Pe> void	setPeList(List<T> peList) Sets the vm list.
protected void	setPeMap(Map<String,List<Pe>> peMap) Sets the pe map.
protected void	setVmsMigratingIn(List<String> vmsMigratingIn) Sets the vms migrating in.
protected void	setVmsMigratingOut(List<String> vmsInMigration) Sets the vms in migration.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

VmScheduler

public VmScheduler(List<? extends Pe> pelist)

Creates a new HostAllocationPolicy.

Parameters:

pelist - the pelist

Method Detail

allocatePesForVm

public abstract boolean allocatePesForVm(Vm vm,
                       List<Double> mipsShare)

Allocates PEs for a VM.

Parameters:

vm - the vm

mipsShare - the mips share

Returns:

$true if this policy allows a new VM in the host, $false otherwise

deallocatePesForVm

public abstract void deallocatePesForVm(Vm vm)

Releases PEs allocated to a VM.

Parameters:

vm - the vm

deallocatePesForAllVms

public void deallocatePesForAllVms()

Releases PEs allocated to all the VMs.

getPesAllocatedForVM

public List<Pe> getPesAllocatedForVM(Vm vm)

Gets the pes allocated for vm.

Parameters:

vm - the vm

Returns:

the pes allocated for vm

getAllocatedMipsForVm

public List<Double> getAllocatedMipsForVm(Vm vm)

Returns the MIPS share of each Pe that is allocated to a given VM.

Parameters:

vm - the vm

Returns:

an array containing the amount of MIPS of each pe that is available to the VM

getTotalAllocatedMipsForVm

public double getTotalAllocatedMipsForVm(Vm vm)

Gets the total allocated MIPS for a VM over all the PEs.

Parameters:

vm - the vm

Returns:

the allocated mips for vm

getMaxAvailableMips

public double getMaxAvailableMips()

Returns maximum available MIPS among all the PEs.

Returns:

max mips

getPeCapacity

public double getPeCapacity()

Returns PE capacity in MIPS.

Returns:

mips

getPeList

public <T extends Pe> List<T> getPeList()

Gets the vm list.

Type Parameters:

T - the generic type

Returns:

the vm list

setPeList

protected <T extends Pe> void setPeList(List<T> peList)

Sets the vm list.

Type Parameters:

T - the generic type

Parameters:

peList - the pe list

getMipsMap

protected Map<String,List<Double>> getMipsMap()

Gets the mips map.

Returns:

the mips map

setMipsMap

protected void setMipsMap(Map<String,List<Double>> mipsMap)

Sets the mips map.

Parameters:

mipsMap - the mips map

getAvailableMips

public double getAvailableMips()

Gets the free mips.

Returns:

the free mips

setAvailableMips

protected void setAvailableMips(double availableMips)

Sets the free mips.

Parameters:

availableMips - the new free mips

getVmsMigratingOut

public List<String> getVmsMigratingOut()

Gets the vms in migration.

Returns:

the vms in migration

setVmsMigratingOut

protected void setVmsMigratingOut(List<String> vmsInMigration)

Sets the vms in migration.

Parameters:

vmsInMigration - the new vms migrating out

getVmsMigratingIn

public List<String> getVmsMigratingIn()

Gets the vms migrating in.

Returns:

the vms migrating in

setVmsMigratingIn

protected void setVmsMigratingIn(List<String> vmsMigratingIn)

Sets the vms migrating in.

Parameters:

vmsMigratingIn - the new vms migrating in

getPeMap

public Map<String,List<Pe>> getPeMap()

Gets the pe map.

Returns:

the pe map

setPeMap

protected void setPeMap(Map<String,List<Pe>> peMap)

Sets the pe map.

Parameters:

peMap - the pe map