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Commit 06322462 authored by Anton Beloglazov's avatar Anton Beloglazov
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Refactored power VM allocation policies, removed old policies, reimplemented the… 

Refactored power VM allocation policies, removed old policies, reimplemented the DVFS and single threshold policies
parent 4529b632
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modules/cloudsim-examples/src/main/java/org/cloudbus/cloudsim/examples/CloudSimExample2.java
View file @ 06322462
......@@ -153,7 +153,7 @@ public class CloudSimExample2 {
}
catch (Exception e) {
e.printStackTrace();
Log.printLine("Unwanted errors happen");
Log.printLine("The simulation has been terminated due to an unexpected error");
}
}
......
modules/cloudsim-examples/src/main/java/org/cloudbus/cloudsim/examples/CloudSimExample3.java
View file @ 06322462
......@@ -152,7 +152,7 @@ public class CloudSimExample3 {
}
catch (Exception e) {
e.printStackTrace();
Log.printLine("Unwanted errors happen");
Log.printLine("The simulation has been terminated due to an unexpected error");
}
}
......
modules/cloudsim-examples/src/main/java/org/cloudbus/cloudsim/examples/CloudSimExample4.java
View file @ 06322462
......@@ -150,7 +150,7 @@ public class CloudSimExample4 {
}
catch (Exception e) {
e.printStackTrace();
Log.printLine("Unwanted errors happen");
Log.printLine("The simulation has been terminated due to an unexpected error");
}
}
......
modules/cloudsim-examples/src/main/java/org/cloudbus/cloudsim/examples/CloudSimExample5.java
View file @ 06322462
......@@ -154,7 +154,7 @@ public class CloudSimExample5 {
}
catch (Exception e) {
e.printStackTrace();
Log.printLine("Unwanted errors happen");
Log.printLine("The simulation has been terminated due to an unexpected error");
}
}
......
modules/cloudsim-examples/src/main/java/org/cloudbus/cloudsim/examples/CloudSimExample6.java
View file @ 06322462
......@@ -152,7 +152,7 @@ public class CloudSimExample6 {
catch (Exception e)
{
e.printStackTrace();
Log.printLine("Unwanted errors happen");
Log.printLine("The simulation has been terminated due to an unexpected error");
}
}
......
modules/cloudsim-examples/src/main/java/org/cloudbus/cloudsim/examples/CloudSimExample7.java
View file @ 06322462
......@@ -190,7 +190,7 @@ public class CloudSimExample7 {
catch (Exception e)
{
e.printStackTrace();
Log.printLine("Unwanted errors happen");
Log.printLine("The simulation has been terminated due to an unexpected error");
}
}
......
modules/cloudsim-examples/src/main/java/org/cloudbus/cloudsim/examples/CloudSimExample8.java
View file @ 06322462
......@@ -154,7 +154,7 @@ public class CloudSimExample8 {
catch (Exception e)
{
e.printStackTrace();
Log.printLine("Unwanted errors happen");
Log.printLine("The simulation has been terminated due to an unexpected error");
}
}
......
modules/cloudsim-examples/src/main/java/org/cloudbus/cloudsim/examples/network/NetworkExample1.java
View file @ 06322462
......@@ -146,7 +146,7 @@ public class NetworkExample1 {
}
catch (Exception e) {
e.printStackTrace();
Log.printLine("Unwanted errors happen");
Log.printLine("The simulation has been terminated due to an unexpected error");
}
}
......
modules/cloudsim-examples/src/main/java/org/cloudbus/cloudsim/examples/network/NetworkExample2.java
View file @ 06322462
......@@ -171,7 +171,7 @@ public class NetworkExample2 {
}
catch (Exception e) {
e.printStackTrace();
Log.printLine("Unwanted errors happen");
Log.printLine("The simulation has been terminated due to an unexpected error");
}
}
......
modules/cloudsim-examples/src/main/java/org/cloudbus/cloudsim/examples/network/NetworkExample3.java
View file @ 06322462
......@@ -177,7 +177,7 @@ public class NetworkExample3 {
}
catch (Exception e) {
e.printStackTrace();
Log.printLine("Unwanted errors happen");
Log.printLine("The simulation has been terminated due to an unexpected error");
}
}
......
modules/cloudsim-examples/src/main/java/org/cloudbus/cloudsim/examples/network/NetworkExample4.java
View file @ 06322462
......@@ -138,7 +138,7 @@ public class NetworkExample4 {
}
catch (Exception e) {
e.printStackTrace();
Log.printLine("Unwanted errors happen");
Log.printLine("The simulation has been terminated due to an unexpected error");
}
}
......
modules/cloudsim/src/main/java/org/cloudbus/cloudsim/core/CloudSim.java
View file @ 06322462
......@@ -127,10 +127,10 @@ public class CloudSim {
// set all the above entity IDs
cisId = cis.getId();
} catch (IllegalArgumentException s) {
Log.printLine("CloudSim.init(): Unwanted errors happen");
Log.printLine("CloudSim.init(): The simulation has been terminated due to an unexpected error");
Log.printLine(s.getMessage());
} catch (Exception e) {
Log.printLine("CloudSim.init(): Unwanted errors happen");
Log.printLine("CloudSim.init(): The simulation has been terminated due to an unexpected error");
Log.printLine(e.getMessage());
}
}
......
modules/cloudsim/src/main/java/org/cloudbus/cloudsim/network/datacenter/Switch.java.edited deleted 100644 → 0
View file @ 4529b632
package org.cloudbus.cloudsim.network.datacenter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.SortedMap;
import java.util.SortedSet;
import java.util.TreeMap;
import java.util.Map.Entry;
import java.util.TreeSet;
import org.cloudbus.cloudsim.Log;
import org.cloudbus.cloudsim.Vm;
import org.cloudbus.cloudsim.core.CloudSim;
import org.cloudbus.cloudsim.core.CloudSimTags;
import org.cloudbus.cloudsim.core.SimEntity;
import org.cloudbus.cloudsim.core.SimEvent;
import org.cloudbus.cloudsim.core.predicates.PredicateType;
import org.cloudbus.cloudsim.lists.VmList;
public class Switch extends SimEntity {
// switch level
public int id;
public int level;// three levels
public int datacenterid;
public Map<Integer, List<NetworkPacket>> uplinkswitchpktlist;
public Map<Integer, List<NetworkPacket>> downlinkswitchpktlist;
public Map<Integer, NetworkHost> hostlist;
public List<Switch> uplinkswitches;
public List<Switch> downlinkswitches;
public Map<Integer, List<NetworkPacket>> packetTohost;
int type;// edge switch or aggregation switch
public double uplinkbandwidth;
public double downlinkbandwidth;
public double latency;
public double numport;
public NetworkDatacenter dc;
public SortedMap<Double, List<NetworkHost>> fintimelistHost = new TreeMap<Double, List<NetworkHost>>();// something
// is
// running
// on
// these
// hosts
public SortedMap<Double, List<NetworkVm>> fintimelistVM = new TreeMap<Double, List<NetworkVm>>();// something
// is
// running
// on
// these
// hosts
public ArrayList<NetworkPacket> pktlist;
public List<Vm> BagofTaskVm = new ArrayList<Vm>();
public double switching_delay;
public Map<Integer, NetworkVm> Vmlist;
public Switch(String name, int level, NetworkDatacenter dc) {
super(name);
this.level = level;
/*
* if(level==Constants.EDGE_LEVEL) { hostlist=new
* HashMap<Integer,HPCHost>(); uplinkswitchpktlist=new
* HashMap<Integer,List<HostPacket>>(); packetTohost=new
* HashMap<Integer,List<HostPacket>>();
* uplinkbandwidth=Constants.BandWidthEdgeAgg;
* downlinkbandwidth=Constants.BandWidthEdgeHost;
* latency=Constants.SwitchingDelayEdge;
* numport=Constants.EdgeSwitchPort; uplinkswitches=new
* ArrayList<Switch>();
*
* } if(level==Constants.Agg_LEVEL) { downlinkswitchpktlist=new
* HashMap<Integer,List<HostPacket>>(); uplinkswitchpktlist=new
* HashMap<Integer,List<HostPacket>>();
* uplinkbandwidth=Constants.BandWidthAggRoot;
* downlinkbandwidth=Constants.BandWidthEdgeAgg;
* latency=Constants.SwitchingDelayAgg; numport=Constants.AggSwitchPort;
* uplinkswitches=new ArrayList<Switch>(); downlinkswitches=new
* ArrayList<Switch>(); } if(level==Constants.ROOT_LEVEL) {
* downlinkswitchpktlist=new HashMap<Integer,List<HostPacket>>();
* downlinkswitches=new ArrayList<Switch>();
*
* downlinkbandwidth=Constants.BandWidthAggRoot;
* latency=Constants.SwitchingDelayRoot;
* numport=Constants.RootSwitchPort;
*
* }
*/
this.dc = dc;
// TODO Auto-generated constructor stub
}
@Override
public void startEntity() {
Log.printLine(getName() + " is starting...");
schedule(getId(), 0, CloudSimTags.RESOURCE_CHARACTERISTICS_REQUEST);
}
@Override
public void processEvent(SimEvent ev) {
// Log.printLine(CloudSim.clock()+"[Broker]: event received:"+ev.getTag());
switch (ev.getTag()) {
// Resource characteristics request
case CloudSimTags.Network_Event_UP:
// process the packet from down switch or host
processpacket_up(ev);
break;
case CloudSimTags.Network_Event_DOWN:
// process the packet from uplink
processpacket_down(ev);
break;
case CloudSimTags.Network_Event_send:
processpacketforward(ev);
break;
case CloudSimTags.Network_Event_Host:
processhostpacket(ev);
break;
// Resource characteristics answer
case CloudSimTags.RESOURCE_Register:
registerHost(ev);
break;
// other unknown tags are processed by this method
default:
processOtherEvent(ev);
break;
}
}
protected void processhostpacket(SimEvent ev) {
// TODO Auto-generated method stub
// Send packet to host
NetworkPacket hspkt = (NetworkPacket) ev.getData();
NetworkHost hs = this.hostlist.get(hspkt.recieverhostid);
hs.packetrecieved.add(hspkt);
}
protected void processpacket_down(SimEvent ev) {
// TODO Auto-generated method stub
// packet coming from up level router.
// has to send downward
// check which switch to forward to
// add packet in the switch list
// add packet in the host list
// int src=ev.getSource();
NetworkPacket hspkt = (NetworkPacket) ev.getData();
int recvVMid = hspkt.pkt.reciever;
CloudSim.cancelAll(getId(), new PredicateType(
CloudSimTags.Network_Event_send));
schedule(getId(), this.latency, CloudSimTags.Network_Event_send);
if (this.level == NetworkConstants.EDGE_LEVEL) {
// packet is to be recieved by host
int hostid = dc.VmtoHostlist.get(recvVMid);
hspkt.recieverhostid = hostid;
List<NetworkPacket> pktlist = this.packetTohost.get(hostid);
if (pktlist == null) {
pktlist = new ArrayList<NetworkPacket>();
this.packetTohost.put(hostid, pktlist);
}
pktlist.add(hspkt);
return;
}
if (this.level == NetworkConstants.Agg_LEVEL) {
// packet is coming from root so need to be sent to edgelevel swich
// find the id for edgelevel switch
int switchid = dc.VmToSwitchid.get(recvVMid);
List<NetworkPacket> pktlist = this.downlinkswitchpktlist.get(switchid);
if (pktlist == null) {
pktlist = new ArrayList<NetworkPacket>();
this.downlinkswitchpktlist.put(switchid, pktlist);
}
pktlist.add(hspkt);
return;
}
}
protected void processpacket_up(SimEvent ev) {
// TODO Auto-generated method stub
// packet coming from down level router.
// has to send up
// check which switch to forward to
// add packet in the switch list
//
// int src=ev.getSource();
NetworkPacket hspkt = (NetworkPacket) ev.getData();
int recvVMid = hspkt.pkt.reciever;
CloudSim.cancelAll(getId(), new PredicateType(
CloudSimTags.Network_Event_send));
schedule(getId(), this.switching_delay, CloudSimTags.Network_Event_send);
if (this.level == NetworkConstants.EDGE_LEVEL) {
// packet is recieved from host
// packet is to be sent to aggregate level or to another host in the
// same level
int hostid = dc.VmtoHostlist.get(recvVMid);
NetworkHost hs = this.hostlist.get(hostid);
hspkt.recieverhostid = hostid;
if (hs != null) {
// packet to be sent to host connected to the switch
List<NetworkPacket> pktlist = this.packetTohost.get(hostid);
if (pktlist == null) {
pktlist = new ArrayList<NetworkPacket>();
this.packetTohost.put(hostid, pktlist);
}
pktlist.add(hspkt);
return;
}
// packet is to be sent to upper switch
// ASSUMPTION EACH EDGE is Connected to one aggregate level switch
Switch sw = this.uplinkswitches.get(0);
List<NetworkPacket> pktlist = this.uplinkswitchpktlist.get(sw.getId());
if (pktlist == null) {
pktlist = new ArrayList<NetworkPacket>();
this.uplinkswitchpktlist.put(sw.getId(), pktlist);
}
pktlist.add(hspkt);
return;
}
if (this.level == NetworkConstants.Agg_LEVEL) {
// packet is coming from edge level router so need to be sent to
// either root or another edge level swich
// find the id for edgelevel switch
int switchid = dc.VmToSwitchid.get(recvVMid);
boolean flagtoswtich = false;
for (Switch sw : this.downlinkswitches) {
if (switchid == sw.getId())
flagtoswtich = true;
}
if (flagtoswtich) {
List<NetworkPacket> pktlist = this.downlinkswitchpktlist
.get(switchid);
if (pktlist == null) {
pktlist = new ArrayList<NetworkPacket>();
this.downlinkswitchpktlist.put(switchid, pktlist);
}
pktlist.add(hspkt);
} else// send to up
{
Switch sw = this.uplinkswitches.get(0);
List<NetworkPacket> pktlist = this.uplinkswitchpktlist.get(sw
.getId());
if (pktlist == null) {
pktlist = new ArrayList<NetworkPacket>();
this.uplinkswitchpktlist.put(sw.getId(), pktlist);
}
pktlist.add(hspkt);
}
}
if (this.level == NetworkConstants.ROOT_LEVEL) {
// get id of edge router
int edgeswitchid = dc.VmToSwitchid.get(recvVMid);
// search which aggregate switch has it
int aggSwtichid = -1;
;
for (Switch sw : this.downlinkswitches) {
for (Switch edge : sw.downlinkswitches) {
if (edge.getId() == edgeswitchid) {
aggSwtichid = sw.getId();
break;
}
}
}
if (aggSwtichid < 0)
System.out.println(" No destination for this packet");
else {
List<NetworkPacket> pktlist = this.downlinkswitchpktlist
.get(aggSwtichid);
if (pktlist == null) {
pktlist = new ArrayList<NetworkPacket>();
this.downlinkswitchpktlist.put(aggSwtichid, pktlist);
}
pktlist.add(hspkt);
}
}
}
private void registerHost(SimEvent ev) {
// TODO Auto-generated method stub
NetworkHost hs = (NetworkHost) ev.getData();
hostlist.put(hs.getId(), (NetworkHost) ev.getData());
}
protected void processpacket(SimEvent ev) {
// TODO Auto-generated method stub
// send packet to itself with switching delay (discarding other)
CloudSim.cancelAll(getId(), new PredicateType(
CloudSimTags.Network_Event_UP));
schedule(getId(), this.switching_delay, CloudSimTags.Network_Event_UP);
pktlist.add((NetworkPacket) ev.getData());
// add the packet in the list
}
private void processOtherEvent(SimEvent ev) {
// TODO Auto-generated method stub
}
protected void processpacketforward(SimEvent ev) {
// TODO Auto-generated method stub
// search for the host and packets..send to them
if (this.downlinkswitchpktlist != null) {
for (Entry<Integer, List<NetworkPacket>> es : downlinkswitchpktlist
.entrySet()) {
int tosend = es.getKey();
List<NetworkPacket> hspktlist = es.getValue();
if (!hspktlist.isEmpty()) {
double avband = this.downlinkbandwidth / hspktlist.size();
Iterator<NetworkPacket> it = hspktlist.iterator();
while (it.hasNext()) {
NetworkPacket hspkt = it.next();
double delay = 1000 * hspkt.pkt.data / avband;
this.send(tosend, delay,
CloudSimTags.Network_Event_DOWN, hspkt);
}
hspktlist.clear();
}
}
}
if (this.uplinkswitchpktlist != null) {
for (Entry<Integer, List<NetworkPacket>> es : uplinkswitchpktlist
.entrySet()) {
int tosend = es.getKey();
List<NetworkPacket> hspktlist = es.getValue();
if (!hspktlist.isEmpty()) {
double avband = this.uplinkbandwidth / hspktlist.size();
Iterator<NetworkPacket> it = hspktlist.iterator();
while (it.hasNext()) {
NetworkPacket hspkt = it.next();
double delay = 1000 * hspkt.pkt.data / avband;
this.send(tosend, delay, CloudSimTags.Network_Event_UP,
hspkt);
}
hspktlist.clear();
}
}
}
if (this.packetTohost != null) {
for (Entry<Integer, List<NetworkPacket>> es : packetTohost.entrySet()) {
int tosend = es.getKey();
NetworkHost hs = this.hostlist.get(tosend);
List<NetworkPacket> hspktlist = es.getValue();
if (!hspktlist.isEmpty()) {
double avband = this.downlinkbandwidth / hspktlist.size();
Iterator<NetworkPacket> it = hspktlist.iterator();
while (it.hasNext()) {
NetworkPacket hspkt = it.next();
// hspkt.recieverhostid=tosend;
// hs.packetrecieved.add(hspkt);
this.send(this.getId(), hspkt.pkt.data / avband,
CloudSimTags.Network_Event_Host, hspkt);
}
hspktlist.clear();
}
}
}
// or to switch at next level.
// clear the list
}
private NetworkHost getHostwithVM(int vmid) {
// TODO Auto-generated method stub
for (Entry<Integer, NetworkHost> es : this.hostlist.entrySet()) {
Vm vm = VmList.getById(es.getValue().getVmList(), vmid);
if (vm != null)
return es.getValue();
}
return null;
}
private List<NetworkVm> getfreeVmlist(int numVMReq) {
// TODO Auto-generated method stub
List<NetworkVm> freehostls = new ArrayList<NetworkVm>();
for (Entry<Integer, NetworkVm> et : this.Vmlist.entrySet()) {
if (et.getValue().isFree()) {
freehostls.add(et.getValue());
}
if (freehostls.size() == numVMReq)
break;
}
return freehostls;
}
private List<NetworkHost> getfreehostlist(int numhost) {
// TODO Auto-generated method stub
<<<<<<< .mine
List<NetworkHost> freehostls=new ArrayList<NetworkHost>();
for(Entry<Integer,NetworkHost> et:this.hostlist.entrySet())
{
if(et.getValue().getNumberOfFreePes()==et.getValue().getNumberOfPes())
{
=======
List<NetworkHost> freehostls = new ArrayList<NetworkHost>();
for (Entry<Integer, NetworkHost> et : this.hostlist.entrySet()) {
if (et.getValue().getFreePesNumber() == et.getValue()
.getPesNumber()) {
>>>>>>> .r111
freehostls.add(et.getValue());
}
if (freehostls.size() == numhost)
break;
}
return freehostls;
}
@Override
public void shutdownEntity() {
Log.printLine(getName() + " is shutting down...");
}
}
modules/cloudsim/src/main/java/org/cloudbus/cloudsim/power/PowerVmAllocationPolicySimple.java → modules/cloudsim/src/main/java/org/cloudbus/cloudsim/power/PowerVmAllocationPolicyAbstract.java
View file @ 06322462
/*
* Title: CloudSim Toolkit Description: CloudSim (Cloud Simulation) Toolkit for Modeling and
* Simulation of Parallel and Distributed Systems such as Clusters and Clouds Licence: GPL -
* http://www.gnu.org/copyleft/gpl.html
*
* Copyright (c) 2008, The University of Melbourne, Australia
*/
package org.cloudbus.cloudsim.power;
import java.util.HashMap;
......@@ -19,34 +11,29 @@ import org.cloudbus.cloudsim.VmAllocationPolicy;
import org.cloudbus.cloudsim.core.CloudSim;
/**
* PowerVmAllocationPolicySingleThresholdFixed is an VMAllocationPolicy that chooses, as the host
* for a VM, the host with the least power increase due to utilization increase.
* The Class PowerVmAllocationPolicyAbstract.
*
* @author Anton Beloglazov
* @since CloudSim Toolkit 4.3
* @invariant $none
* @since Jan 5, 2012
*/
public class PowerVmAllocationPolicySimple extends VmAllocationPolicy {
public abstract class PowerVmAllocationPolicyAbstract extends VmAllocationPolicy {
/** The vm table. */
private Map<String, Host> vmTable;
private final Map<String, Host> vmTable = new HashMap<String, Host>();
/**
* Instantiates a new PowerVmAllocationPolicySimple.
* Instantiates a new power vm allocation policy abstract.
*
* @param hostList the host list
* @param list the list
*/
public PowerVmAllocationPolicySimple(List<? extends Host> hostList) {
super(hostList);
setVmTable(new HashMap<String, Host>());
public PowerVmAllocationPolicyAbstract(List<? extends Host> list) {
super(list);
}
/**
* Allocates a host for a given VM.
*
* @param vm VM specification
/*
* (non-Javadoc)
*
* @return $true if the host could be allocated; $false otherwise
* @see org.cloudbus.cloudsim.VmAllocationPolicy#allocateHostForVm(org.cloudbus.cloudsim.Vm)
*/
@Override
public boolean allocateHostForVm(Vm vm) {
......@@ -79,11 +66,10 @@ public class PowerVmAllocationPolicySimple extends VmAllocationPolicy {
}
/**
* Determines a host to allocate for the VM.
* Find host for vm.
*
* @param vm the vm
*
* @return the host
* @return the power host
*/
public PowerHost findHostForVm(Vm vm) {
for (PowerHost host : this.<PowerHost> getHostList()) {
......@@ -97,18 +83,7 @@ public class PowerVmAllocationPolicySimple extends VmAllocationPolicy {
/*
* (non-Javadoc)
*
* @see org.cloudbus.cloudsim.VmAllocationPolicy#optimizeAllocation(java.util.List)
*/
@Override
public List<Map<String, Object>> optimizeAllocation(List<? extends Vm> vmList) {
// This policy doesn't optimize the VM allocation
return null;
}
/**
* Releases the host used by a VM.
*
* @param vm the vm
* @see org.cloudbus.cloudsim.VmAllocationPolicy#deallocateHostForVm(org.cloudbus.cloudsim.Vm)
*/
@Override
public void deallocateHostForVm(Vm vm) {
......@@ -118,40 +93,26 @@ public class PowerVmAllocationPolicySimple extends VmAllocationPolicy {
}
}
/**
* Gets the host that is executing the given VM belonging to the given user.
*
* @param vm the vm
/*
* (non-Javadoc)
*
* @return the Host with the given vmID and userID; $null if not found
* @see org.cloudbus.cloudsim.VmAllocationPolicy#getHost(org.cloudbus.cloudsim.Vm)
*/
@Override
public Host getHost(Vm vm) {
return getVmTable().get(vm.getUid());
}
/**
* Gets the host that is executing the given VM belonging to the given user.
*
* @param vmId the vm id
* @param userId the user id
/*
* (non-Javadoc)
*
* @return the Host with the given vmID and userID; $null if not found
* @see org.cloudbus.cloudsim.VmAllocationPolicy#getHost(int, int)
*/
@Override
public Host getHost(int vmId, int userId) {
return getVmTable().get(Vm.getUid(userId, vmId));
}
/**
* Sets the vm table.
*
* @param vmTable the vm table
*/
public void setVmTable(Map<String, Host> vmTable) {
this.vmTable = vmTable;
}
/**
* Gets the vm table.
*
......
modules/cloudsim/src/main/java/org/cloudbus/cloudsim/power/PowerVmAllocationPolicyDoubleThresholdAbstract.java deleted 100644 → 0
View file @ 4529b632
/*
* Title: CloudSim Toolkit Description: CloudSim (Cloud Simulation) Toolkit for Modeling and
* Simulation of Parallel and Distributed Systems such as Clusters and Clouds Licence: GPL -
* http://www.gnu.org/copyleft/gpl.html
*
* Copyright (c) 2008, The University of Melbourne, Australia
*/
package org.cloudbus.cloudsim.power;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.cloudbus.cloudsim.Host;
import org.cloudbus.cloudsim.Log;
import org.cloudbus.cloudsim.Vm;
import org.cloudbus.cloudsim.VmAllocationPolicySimple;
import org.cloudbus.cloudsim.core.CloudSim;
/**
* The Class PowerVmAllocationPolicyDoubleThresholdAbstract.
*/
public class PowerVmAllocationPolicyDoubleThresholdAbstract extends VmAllocationPolicySimple {
/** The hosts PEs. */
protected Map<String, Integer> hostsPes;
/** The hosts utilization. */
protected Map<Integer, Double> hostsUtilization;
/** The hosts memory. */
protected Map<Integer, Integer> hostsRam;
/** The hosts bw. */
protected Map<Integer, Long> hostsBw;
/** The old allocation. */
private List<Map<String, Object>> savedAllocation;
/** The utilization threshold lower. */
private double utilizationThresholdLower;
/** The utilization threshold upper. */
private double utilizationThresholdUpper;
/**
* Instantiates a new vM provisioner mpp.
*
* @param list the list
* @param utilizationThresholdLower the utilization threshold lower
* @param utilizationThresholdUpper the utilization threshold upper
*/
public PowerVmAllocationPolicyDoubleThresholdAbstract(
List<? extends PowerHost> list,
double utilizationThresholdLower,
double utilizationThresholdUpper) {
super(list);
setSavedAllocation(new ArrayList<Map<String, Object>>());
setUtilizationThresholdLower(utilizationThresholdLower);
setUtilizationThresholdUpper(utilizationThresholdUpper);
}
/**
* Determines a host to allocate for the VM.
*
* @param vm the vm
*
* @return the host
*/
public PowerHost findHostForVm(Vm vm) {
double minPower = Double.MAX_VALUE;
PowerHost allocatedHost = null;
for (PowerHost host : this.<PowerHost> getHostList()) {
if (host.isSuitableForVm(vm)) {
if (getMaxUtilizationAfterAllocation(host, vm) > getUtilizationThresholdUpper()) {
continue;
}
try {
double powerAfterAllocation = getPowerAfterAllocation(host, vm);
if (powerAfterAllocation != -1) {
double powerDiff = powerAfterAllocation - host.getPower();
if (powerDiff < minPower) {
minPower = powerDiff;
allocatedHost = host;
}
}
} catch (Exception e) {
}
}
}
return allocatedHost;
}
/**
* Allocates a host for a given VM.
*
* @param vm VM specification
*
* @return $true if the host could be allocated; $false otherwise
*
* @pre $none
* @post $none
*/
@Override
public boolean allocateHostForVm(Vm vm) {
PowerHost allocatedHost = findHostForVm(vm);
if (allocatedHost != null && allocatedHost.vmCreate(vm)) { // if vm has been succesfully
// created in the host
getVmTable().put(vm.getUid(), allocatedHost);
Log.formatLine(
"%.2f: VM #" + vm.getId() + " has been allocated to the host #" + allocatedHost.getId()
+ "\n",
CloudSim.clock());
return true;
}
return false;
}
/**
* Releases the host used by a VM.
*
* @param vm the vm
*
* @pre $none
* @post none
*/
@Override
public void deallocateHostForVm(Vm vm) {
if (getVmTable().containsKey(vm.getUid())) {
PowerHost host = (PowerHost) getVmTable().remove(vm.getUid());
if (host != null) {
host.vmDestroy(vm);
}
}
}
/**
* Optimize allocation of the VMs according to current utilization.
*
* @param vmList the vm list
*
* @return the array list< hash map< string, object>>
*/
@Override
public List<Map<String, Object>> optimizeAllocation(List<? extends Vm> vmList) {
Log.printLine("optimizeAllocation() method must be overriden by a child class");
return null;
}
/**
* Save allocation.
*
* @param vmList the vm list
*/
protected void saveAllocation(List<? extends Vm> vmList) {
getSavedAllocation().clear();
for (Vm vm : vmList) {
Map<String, Object> map = new HashMap<String, Object>();
// Log.printLine("Trying to save VM #" + vm.getId());
map.put("vm", vm);
map.put("host", vm.getHost());
getSavedAllocation().add(map);
// we do not destroy current allocation
// vm.getHost().vmDestroy(vm);
// getVmTable().remove(vm.getUid());
}
}
/**
* Restore allocation.
*
* @param vmsToRestore the vms to restore
* @param list
*/
protected void restoreAllocation(List<Vm> vmsToRestore, List<Host> hostList) {
// getVmTable().clear();
for (Host host : hostList) {
host.vmDestroyAll();
host.reallocateMigratingInVms();
}
/*
* for (Map<String, Object> map : getSavedAllocation()) { //Vm vm = (Vm) map.get("vm");
* PowerHost host = (PowerHost) map.get("host"); //PowerHost host = (PowerHost)
* vm.getHost(); if (host != null) { host.vmDestroyAll(); // vm.getHost().vmDestroy(vm); }
* //PowerHost host = (PowerHost) map.get("host"); //host.vmDestroy(vm);
* //host.vmDestroyAll(); }
*/
for (Map<String, Object> map : getSavedAllocation()) {
Vm vm = (Vm) map.get("vm");
PowerHost host = (PowerHost) map.get("host");
// Log.printLine("Trying to restore VM #" + vm.getId() + " on host #" + host.getId());
if (!vmsToRestore.contains(vm)) {
// Log.printLine("VM #" + vm.getVmId() +
// " skipped because it's not in the toRestore list");
continue;
}
if (!host.vmCreate(vm)) {
Log.printLine("failed");
}
getVmTable().put(vm.getUid(), host);
Log.printLine("Restored VM #" + vm.getId() + " on host #" + host.getId());
// host.vmDestroy(vm);
// if (!host.vmCreate(vm)) {
// host.vmCreateBestEffort(vm);
// }
// getVmTable().put(vm.getUid(), host);
}
}
/**
* Gets the power after allocation.
*
* @param host the host
* @param vm the vm
*
* @return the power after allocation
*/
protected double getPowerAfterAllocation(PowerHost host, Vm vm) {
List<Double> allocatedMipsForVm = null;
PowerHost allocatedHost = (PowerHost) vm.getHost();
if (allocatedHost != null) {
allocatedMipsForVm = allocatedHost.getAllocatedMipsForVm(vm);
}
if (!host.allocatePesForVm(vm, vm.getCurrentRequestedMips())) {
return -1;
}
double power = host.getPower();
host.deallocatePesForVm(vm);
if (allocatedHost != null && allocatedMipsForVm != null) {
vm.getHost().allocatePesForVm(vm, allocatedMipsForVm);
}
return power;
}
/**
* Gets the power after allocation.
*
* @param host the host
* @param vm the vm
*
* @return the power after allocation
*/
protected double getMaxUtilizationAfterAllocation(PowerHost host, Vm vm) {
List<Double> allocatedMipsForVm = null;
PowerHost allocatedHost = (PowerHost) vm.getHost();
if (allocatedHost != null) {
allocatedMipsForVm = vm.getHost().getAllocatedMipsForVm(vm);
}
if (!host.allocatePesForVm(vm, vm.getCurrentRequestedMips())) {
return -1;
}
double maxUtilization = host.getMaxUtilizationAmongVmsPes(vm);
host.deallocatePesForVm(vm);
if (allocatedHost != null && allocatedMipsForVm != null) {
vm.getHost().allocatePesForVm(vm, allocatedMipsForVm);
}
return maxUtilization;
}
/**
* Gets the saved allocation.
*
* @return the saved allocation
*/
protected List<Map<String, Object>> getSavedAllocation() {
return savedAllocation;
}
/**
* Sets the saved allocation.
*
* @param savedAllocation the saved allocation
*/
protected void setSavedAllocation(List<Map<String, Object>> savedAllocation) {
this.savedAllocation = savedAllocation;
}
/**
* Sets the utilization threshold lower.
*
* @param utilizationThresholdLower the new utilization threshold lower
*/
public void setUtilizationThresholdLower(double utilizationThresholdLower) {
this.utilizationThresholdLower = utilizationThresholdLower;
}
/**
* Gets the utilization threshold lower.
*
* @return the utilization threshold lower
*/
public double getUtilizationThresholdLower() {
return utilizationThresholdLower;
}
/**
* Sets the utilization threshold upper.
*
* @param utilizationThresholdUpper the new utilization threshold upper
*/
public void setUtilizationThresholdUpper(double utilizationThresholdUpper) {
this.utilizationThresholdUpper = utilizationThresholdUpper;
}
/**
* Gets the utilization threshold upper.
*
* @return the utilization threshold upper
*/
public double getUtilizationThresholdUpper() {
return utilizationThresholdUpper;
}
}
modules/cloudsim/src/main/java/org/cloudbus/cloudsim/power/PowerVmAllocationPolicyDvfs.java 0 → 100644
View file @ 06322462
package org.cloudbus.cloudsim.power;
import java.util.List;
import java.util.Map;
import org.cloudbus.cloudsim.Host;
import org.cloudbus.cloudsim.Vm;
/**
* This a simple class representing a DVFS VM allocation policy. The actual application of DVFS
* (adjustment of the host's power consumption) happens in the PowerDatacenter class.
*
* @author Anton Beloglazov
* @since Jan 5, 2012
*
*/
public class PowerVmAllocationPolicyDvfs extends PowerVmAllocationPolicyAbstract {
/**
* Instantiates a new power vm allocation policy dvfs.
*
* @param list the list
*/
public PowerVmAllocationPolicyDvfs(List<? extends Host> list) {
super(list);
}
/*
* (non-Javadoc)
*
* @see org.cloudbus.cloudsim.VmAllocationPolicy#optimizeAllocation(java.util.List)
*/
@Override
public List<Map<String, Object>> optimizeAllocation(List<? extends Vm> vmList) {
// This policy doesn't optimize the VM allocation
return null;
}
}
modules/cloudsim/src/main/java/org/cloudbus/cloudsim/power/PowerVmAllocationPolicyMigrationAbstract.java
View file @ 06322462
......@@ -19,7 +19,7 @@ import org.cloudbus.cloudsim.util.ExecutionTimeMeasurer;
/**
* The Class PowerVmAllocationPolicyMigrationAbstract.
*/
public abstract class PowerVmAllocationPolicyMigrationAbstract extends PowerVmAllocationPolicySimple {
public abstract class PowerVmAllocationPolicyMigrationAbstract extends PowerVmAllocationPolicyAbstract {
/** The vm selection policy. */
private PowerVmSelectionPolicy vmSelectionPolicy;
......@@ -27,9 +27,6 @@ public abstract class PowerVmAllocationPolicyMigrationAbstract extends PowerVmAl
/** The saved allocation. */
private final List<Map<String, Object>> savedAllocation = new ArrayList<Map<String, Object>>();
/** The utilization threshold. */
private double utilizationThreshold = 0.9;
/** The utilization history. */
private final Map<Integer, List<Double>> utilizationHistory = new HashMap<Integer, List<Double>>();
......@@ -64,21 +61,6 @@ public abstract class PowerVmAllocationPolicyMigrationAbstract extends PowerVmAl
setVmSelectionPolicy(vmSelectionPolicy);
}
/**
* Instantiates a new power vm allocation policy migration abstract.
*
* @param hostList the host list
* @param vmSelectionPolicy the vm selection policy
* @param utilizationThreshold the utilization threshold
*/
public PowerVmAllocationPolicyMigrationAbstract(
List<? extends Host> hostList,
PowerVmSelectionPolicy vmSelectionPolicy,
double utilizationThreshold) {
this(hostList, vmSelectionPolicy);
setUtilizationThreshold(utilizationThreshold);
}
/**
* Optimize allocation of the VMs according to current utilization.
*
......@@ -130,28 +112,15 @@ public abstract class PowerVmAllocationPolicyMigrationAbstract extends PowerVmAl
List<PowerHostUtilizationHistory> overUtilizedHosts) {
List<Map<String, Object>> migrationMap = new LinkedList<Map<String, Object>>();
List<PowerHost> switchedOffHosts = getSwitchedOffHosts();
Set<PowerHost> excludedHostsForFindingUnderUtilizedHost = new HashSet<PowerHost>(); // over-utilized
// hosts
// +
// hosts
// that
// are
// selected
// to
// migrate
// VMs
// to
// from
// over-utilized
// hosts
// over-utilized hosts + hosts that are selected to migrate VMs to from over-utilized hosts
Set<PowerHost> excludedHostsForFindingUnderUtilizedHost = new HashSet<PowerHost>();
excludedHostsForFindingUnderUtilizedHost.addAll(overUtilizedHosts);
excludedHostsForFindingUnderUtilizedHost.addAll(switchedOffHosts);
excludedHostsForFindingUnderUtilizedHost.addAll(extractHostListFromMigrationMap(migrationMap));
Set<PowerHost> excludedHostsForFindingNewVmPlacement = new HashSet<PowerHost>(); // over-utilized
// +
// under-utilized
// hosts
// over-utilized + under-utilized hosts
Set<PowerHost> excludedHostsForFindingNewVmPlacement = new HashSet<PowerHost>();
excludedHostsForFindingNewVmPlacement.addAll(overUtilizedHosts);
excludedHostsForFindingNewVmPlacement.addAll(switchedOffHosts);
......@@ -188,9 +157,6 @@ public abstract class PowerVmAllocationPolicyMigrationAbstract extends PowerVmAl
List<Map<String, Object>> newVmPlacement = getNewVmPlacementFromUnderUtilizedHost(
vmsToMigrateFromUnderUtilizedHost,
excludedHostsForFindingNewVmPlacement);
// if (newVmPlacement.isEmpty()) {
// break;
// }
excludedHostsForFindingUnderUtilizedHost.addAll(extractHostListFromMigrationMap(newVmPlacement));
......@@ -268,12 +234,11 @@ public abstract class PowerVmAllocationPolicyMigrationAbstract extends PowerVmAl
return isHostOverUtilizedAfterAllocation;
}
/*
* (non-Javadoc)
/**
* Find host for vm.
*
* @see
* org.cloudbus.cloudsim.experiments.power.PowerVmAllocationPolicySimple#findHostForVm(org.cloudbus
* .cloudsim.Vm)
* @param vm the vm
* @return the power host
*/
@Override
public PowerHost findHostForVm(Vm vm) {
......@@ -325,6 +290,13 @@ public abstract class PowerVmAllocationPolicyMigrationAbstract extends PowerVmAl
return migrationMap;
}
/**
* Gets the new vm placement from under utilized host.
*
* @param vmsToMigrate the vms to migrate
* @param excludedHosts the excluded hosts
* @return the new vm placement from under utilized host
*/
protected List<Map<String, Object>> getNewVmPlacementFromUnderUtilizedHost(
List<? extends Vm> vmsToMigrate,
Set<? extends Host> excludedHosts) {
......@@ -567,14 +539,8 @@ public abstract class PowerVmAllocationPolicyMigrationAbstract extends PowerVmAl
double hostUtilizationMips = host.getUtilizationOfCpuMips();
for (Vm vm2 : host.getVmList()) {
if (host.getVmsMigratingIn().contains(vm2)) {
hostUtilizationMips += host.getTotalAllocatedMipsForVm(vm2) * 0.9 / 0.1; // calculate
// additional
// potential
// CPU
// usage
// of a
// migrating
// in VM
// calculate additional potential CPU usage of a migrating in VM
hostUtilizationMips += host.getTotalAllocatedMipsForVm(vm2) * 0.9 / 0.1;
}
}
......@@ -592,24 +558,6 @@ public abstract class PowerVmAllocationPolicyMigrationAbstract extends PowerVmAl
return savedAllocation;
}
/**
* Sets the utilization threshold.
*
* @param utilizationThreshold the new utilization threshold
*/
protected void setUtilizationThreshold(double utilizationThreshold) {
this.utilizationThreshold = utilizationThreshold;
}
/**
* Gets the utilization threshold.
*
* @return the utilization threshold
*/
protected double getUtilizationThreshold() {
return utilizationThreshold;
}
/**
* Sets the vm selection policy.
*
......
modules/cloudsim/src/main/java/org/cloudbus/cloudsim/power/PowerVmAllocationPolicyMigrationInterQuartileRange.java
View file @ 06322462
......@@ -33,7 +33,7 @@ public class PowerVmAllocationPolicyMigrationInterQuartileRange extends
double safetyParameter,
PowerVmAllocationPolicyMigrationAbstract fallbackVmAllocationPolicy,
double utilizationThreshold) {
super(hostList, vmSelectionPolicy, utilizationThreshold);
super(hostList, vmSelectionPolicy);
setSafetyParameter(safetyParameter);
setFallbackVmAllocationPolicy(fallbackVmAllocationPolicy);
}
......
modules/cloudsim/src/main/java/org/cloudbus/cloudsim/power/PowerVmAllocationPolicyMigrationLocalRegression.java
View file @ 06322462
......@@ -36,7 +36,7 @@ public class PowerVmAllocationPolicyMigrationLocalRegression extends PowerVmAllo
double schedulingInterval,
PowerVmAllocationPolicyMigrationAbstract fallbackVmAllocationPolicy,
double utilizationThreshold) {
super(hostList, vmSelectionPolicy, utilizationThreshold);
super(hostList, vmSelectionPolicy);
setSafetyParameter(safetyParameter);
setSchedulingInterval(schedulingInterval);
setFallbackVmAllocationPolicy(fallbackVmAllocationPolicy);
......
modules/cloudsim/src/main/java/org/cloudbus/cloudsim/power/PowerVmAllocationPolicyMigrationMedianAbsoluteDeviation.java
View file @ 06322462
......@@ -33,7 +33,7 @@ public class PowerVmAllocationPolicyMigrationMedianAbsoluteDeviation extends
double safetyParameter,
PowerVmAllocationPolicyMigrationAbstract fallbackVmAllocationPolicy,
double utilizationThreshold) {
super(hostList, vmSelectionPolicy, utilizationThreshold);
super(hostList, vmSelectionPolicy);
setSafetyParameter(safetyParameter);
setFallbackVmAllocationPolicy(fallbackVmAllocationPolicy);
}
......
modules/cloudsim/src/main/java/org/cloudbus/cloudsim/power/PowerVmAllocationPolicyMigrationMedianAbsoluteDeviation2.java
View file @ 06322462
......@@ -35,7 +35,7 @@ public class PowerVmAllocationPolicyMigrationMedianAbsoluteDeviation2 extends
double safetyParameter,
PowerVmAllocationPolicyMigrationAbstract fallbackVmAllocationPolicy,
double utilizationThreshold) {
super(hostList, vmSelectionPolicy, utilizationThreshold);
super(hostList, vmSelectionPolicy);
setSafetyParameter(safetyParameter);
setFallbackVmAllocationPolicy(fallbackVmAllocationPolicy);
}
......
modules/cloudsim/src/main/java/org/cloudbus/cloudsim/power/PowerVmAllocationPolicyMigrationThresholds.java → modules/cloudsim/src/main/java/org/cloudbus/cloudsim/power/PowerVmAllocationPolicyMigrationStaticThreshold.java
View file @ 06322462
......@@ -8,7 +8,10 @@ import org.cloudbus.cloudsim.Vm;
/**
* The Class PowerVmAllocationPolicyMigrationThresholds.
*/
public class PowerVmAllocationPolicyMigrationThresholds extends PowerVmAllocationPolicyMigrationAbstract {
public class PowerVmAllocationPolicyMigrationStaticThreshold extends PowerVmAllocationPolicyMigrationAbstract {
/** The utilization threshold. */
private double utilizationThreshold = 0.9;
/**
* Instantiates a new power vm allocation policy migration mad.
......@@ -17,11 +20,12 @@ public class PowerVmAllocationPolicyMigrationThresholds extends PowerVmAllocatio
* @param vmSelectionPolicy the vm selection policy
* @param utilizationThreshold the utilization threshold
*/
public PowerVmAllocationPolicyMigrationThresholds(
public PowerVmAllocationPolicyMigrationStaticThreshold(
List<? extends Host> hostList,
PowerVmSelectionPolicy vmSelectionPolicy,
double utilizationThreshold) {
super(hostList, vmSelectionPolicy, utilizationThreshold);
super(hostList, vmSelectionPolicy);
setUtilizationThreshold(utilizationThreshold);
}
/**
......@@ -41,4 +45,22 @@ public class PowerVmAllocationPolicyMigrationThresholds extends PowerVmAllocatio
return utilization > getUtilizationThreshold();
}
/**
* Sets the utilization threshold.
*
* @param utilizationThreshold the new utilization threshold
*/
protected void setUtilizationThreshold(double utilizationThreshold) {
this.utilizationThreshold = utilizationThreshold;
}
/**
* Gets the utilization threshold.
*
* @return the utilization threshold
*/
protected double getUtilizationThreshold() {
return utilizationThreshold;
}
}
modules/cloudsim/src/main/java/org/cloudbus/cloudsim/power/PowerVmAllocationPolicySingleThreshold.java deleted 100644 → 0
View file @ 4529b632
/*
* Title: CloudSim Toolkit Description: CloudSim (Cloud Simulation) Toolkit for Modeling and
* Simulation of Clouds Licence: GPL - http://www.gnu.org/copyleft/gpl.html
*
* Copyright (c) 2009-2010, The University of Melbourne, Australia
*/
package org.cloudbus.cloudsim.power;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.cloudbus.cloudsim.Host;
import org.cloudbus.cloudsim.Log;
import org.cloudbus.cloudsim.Vm;
import org.cloudbus.cloudsim.VmAllocationPolicySimple;
import org.cloudbus.cloudsim.core.CloudSim;
import org.cloudbus.cloudsim.power.lists.PowerVmList;
/**
* PowerVmAllocationPolicySingleThreshold is an VMAllocationPolicy that chooses a host with the
* least power increase due to utilization increase caused by the VM allocation.
*
* @author Anton Beloglazov
* @since CloudSim Toolkit 2.0
*/
public class PowerVmAllocationPolicySingleThreshold extends VmAllocationPolicySimple {
/** The hosts PEs. */
protected Map<String, Integer> hostsPes;
/** The hosts utilization. */
protected Map<Integer, Double> hostsUtilization;
/** The hosts memory. */
protected Map<Integer, Integer> hostsRam;
/** The hosts bw. */
protected Map<Integer, Long> hostsBw;
/** The old allocation. */
private List<Map<String, Object>> savedAllocation;
/** The utilization threshold. */
private double utilizationThreshold;
/**
* Instantiates a new vM provisioner mpp.
*
* @param list the list
* @param utilizationThreshold the utilization bound
*/
public PowerVmAllocationPolicySingleThreshold(List<? extends PowerHost> list, double utilizationThreshold) {
super(list);
setSavedAllocation(new ArrayList<Map<String, Object>>());
setUtilizationThreshold(utilizationThreshold);
}
/**
* Determines a host to allocate for the VM.
*
* @param vm the vm
*
* @return the host
*/
public PowerHost findHostForVm(Vm vm) {
double minPower = Double.MAX_VALUE;
PowerHost allocatedHost = null;
for (PowerHost host : this.<PowerHost> getHostList()) {
if (host.isSuitableForVm(vm)) {
if (getMaxUtilizationAfterAllocation(host, vm) > getUtilizationThreshold()) {
continue;
}
try {
double powerAfterAllocation = getPowerAfterAllocation(host, vm);
if (powerAfterAllocation != -1) {
double powerDiff = powerAfterAllocation - host.getPower();
if (powerDiff < minPower) {
minPower = powerDiff;
allocatedHost = host;
}
}
} catch (Exception e) {
}
}
}
return allocatedHost;
}
/**
* Allocates a host for a given VM.
*
* @param vm VM specification
*
* @return $true if the host could be allocated; $false otherwise
*
* @pre $none
* @post $none
*/
@Override
public boolean allocateHostForVm(Vm vm) {
PowerHost allocatedHost = findHostForVm(vm);
if (allocatedHost != null && allocatedHost.vmCreate(vm)) { // if vm has been succesfully
// created in the host
getVmTable().put(vm.getUid(), allocatedHost);
Log.formatLine(
"%.2f: VM #" + vm.getId() + " has been allocated to the host #" + allocatedHost.getId()
+ "\n",
CloudSim.clock());
return true;
}
return false;
}
/**
* Releases the host used by a VM.
*
* @param vm the vm
*
* @pre $none
* @post none
*/
@Override
public void deallocateHostForVm(Vm vm) {
if (getVmTable().containsKey(vm.getUid())) {
PowerHost host = (PowerHost) getVmTable().remove(vm.getUid());
if (host != null) {
host.vmDestroy(vm);
}
}
}
/**
* Optimize allocation of the VMs according to current utilization.
*
* @param vmList the vm list
* @param utilizationThreshold the utilization bound
*
* @return the array list< hash map< string, object>>
*/
@Override
public List<Map<String, Object>> optimizeAllocation(List<? extends Vm> vmList) {
List<Map<String, Object>> migrationMap = new ArrayList<Map<String, Object>>();
if (vmList.isEmpty()) {
return migrationMap;
}
saveAllocation(vmList);
List<Vm> vmsToRestore = new ArrayList<Vm>();
vmsToRestore.addAll(vmList);
List<Vm> vmsToMigrate = new ArrayList<Vm>();
for (Vm vm : vmList) {
if (vm.isInMigration()) {
continue;
}
vmsToMigrate.add(vm);
vm.getHost().vmDestroy(vm);
}
PowerVmList.sortByCpuUtilization(vmsToMigrate);
for (PowerHost host : this.<PowerHost> getHostList()) {
host.reallocateMigratingInVms();
}
for (Vm vm : vmsToMigrate) {
PowerHost oldHost = (PowerHost) getVmTable().get(vm.getUid());
PowerHost allocatedHost = findHostForVm(vm);
if (allocatedHost != null && allocatedHost.getId() != oldHost.getId()) {
allocatedHost.vmCreate(vm);
Log.printLine("VM #" + vm.getId() + " allocated to host #" + allocatedHost.getId());
Map<String, Object> migrate = new HashMap<String, Object>();
migrate.put("vm", vm);
migrate.put("host", allocatedHost);
migrationMap.add(migrate);
}
}
restoreAllocation(vmsToRestore, getHostList());
return migrationMap;
}
/**
* Save allocation.
*
* @param vmList the vm list
*/
protected void saveAllocation(List<? extends Vm> vmList) {
getSavedAllocation().clear();
for (Vm vm : vmList) {
Map<String, Object> map = new HashMap<String, Object>();
map.put("vm", vm);
map.put("host", vm.getHost());
getSavedAllocation().add(map);
}
}
/**
* Restore allocation.
*
* @param vmsToRestore the vms to restore
*/
protected void restoreAllocation(List<Vm> vmsToRestore, List<Host> hostList) {
for (Host host : hostList) {
host.vmDestroyAll();
host.reallocateMigratingInVms();
}
for (Map<String, Object> map : getSavedAllocation()) {
Vm vm = (Vm) map.get("vm");
PowerHost host = (PowerHost) map.get("host");
if (!vmsToRestore.contains(vm)) {
continue;
}
if (!host.vmCreate(vm)) {
Log.printLine("Something is wrong, the VM can's be restored");
System.exit(0);
}
getVmTable().put(vm.getUid(), host);
Log.printLine("Restored VM #" + vm.getId() + " on host #" + host.getId());
}
}
/**
* Gets the power after allocation.
*
* @param host the host
* @param vm the vm
*
* @return the power after allocation
*/
protected double getPowerAfterAllocation(PowerHost host, Vm vm) {
List<Double> allocatedMipsForVm = null;
PowerHost allocatedHost = (PowerHost) vm.getHost();
if (allocatedHost != null) {
allocatedMipsForVm = allocatedHost.getAllocatedMipsForVm(vm);
}
if (!host.allocatePesForVm(vm, vm.getCurrentRequestedMips())) {
return -1;
}
double power = host.getPower();
host.deallocatePesForVm(vm);
if (allocatedHost != null && allocatedMipsForVm != null) {
vm.getHost().allocatePesForVm(vm, allocatedMipsForVm);
}
return power;
}
/**
* Gets the power after allocation.
*
* @param host the host
* @param vm the vm
*
* @return the power after allocation
*/
protected double getMaxUtilizationAfterAllocation(PowerHost host, Vm vm) {
List<Double> allocatedMipsForVm = null;
PowerHost allocatedHost = (PowerHost) vm.getHost();
if (allocatedHost != null) {
allocatedMipsForVm = vm.getHost().getAllocatedMipsForVm(vm);
}
if (!host.allocatePesForVm(vm, vm.getCurrentRequestedMips())) {
return -1;
}
double maxUtilization = host.getMaxUtilizationAmongVmsPes(vm);
host.deallocatePesForVm(vm);
if (allocatedHost != null && allocatedMipsForVm != null) {
vm.getHost().allocatePesForVm(vm, allocatedMipsForVm);
}
return maxUtilization;
}
/**
* Gets the saved allocation.
*
* @return the saved allocation
*/
protected List<Map<String, Object>> getSavedAllocation() {
return savedAllocation;
}
/**
* Sets the saved allocation.
*
* @param savedAllocation the saved allocation
*/
protected void setSavedAllocation(List<Map<String, Object>> savedAllocation) {
this.savedAllocation = savedAllocation;
}
/**
* Gets the utilization bound.
*
* @return the utilization bound
*/
protected double getUtilizationThreshold() {
return utilizationThreshold;
}
/**
* Sets the utilization bound.
*
* @param utilizationThreshold the new utilization bound
*/
protected void setUtilizationThreshold(double utilizationThreshold) {
this.utilizationThreshold = utilizationThreshold;
}
}
modules/cloudsim/src/main/java/org/cloudbus/cloudsim/power/PowerVmAllocationPolicySingleThresholdFixed.java deleted 100644 → 0
View file @ 4529b632
/*
* Title: CloudSim Toolkit Description: CloudSim (Cloud Simulation) Toolkit for Modeling and
* Simulation of Parallel and Distributed Systems such as Clusters and Clouds Licence: GPL -
* http://www.gnu.org/copyleft/gpl.html
*
* Copyright (c) 2008, The University of Melbourne, Australia
*/
package org.cloudbus.cloudsim.power;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.cloudbus.cloudsim.Log;
import org.cloudbus.cloudsim.Vm;
import org.cloudbus.cloudsim.power.lists.PowerVmList;
// TODO: rewrite this as a child of PolicyMigrationAbstract, remove doubleThresholdAbstract, single
// threshold and policy simple
/**
* PowerVmAllocationPolicySingleThresholdFixed is an VMAllocationPolicy that chooses, as the host
* for a VM, the host with the least power increase due to utilization increase.
*
* @author Anton Beloglazov
* @since CloudSim Toolkit 4.3
* @invariant $none
*/
public class PowerVmAllocationPolicySingleThresholdFixed extends
PowerVmAllocationPolicyDoubleThresholdAbstract {
/**
* Instantiates a new vM provisioner mpp.
*
* @param list the list
* @param utilizationThreshold the utilization bound
*/
public PowerVmAllocationPolicySingleThresholdFixed(
List<? extends PowerHost> list,
double utilizationThreshold) {
super(list, 0, utilizationThreshold);
}
/**
* Optimize allocation of the VMs according to current utilization.
*
* @param vmList the vm list
* @param utilizationThreshold the utilization bound
*
* @return the array list< hash map< string, object>>
*/
@Override
public List<Map<String, Object>> optimizeAllocation(List<? extends Vm> vmList) {
List<Map<String, Object>> migrationMap = new ArrayList<Map<String, Object>>();
if (vmList.isEmpty()) {
return migrationMap;
}
saveAllocation(vmList);
List<Vm> vmsToRestore = new ArrayList<Vm>();
vmsToRestore.addAll(vmList);
List<Vm> vmTmpList = new ArrayList<Vm>();
vmTmpList.addAll(vmList);
PowerVmList.sortByCpuUtilization(vmTmpList);
for (PowerHost host : this.<PowerHost> getHostList()) {
// host.vmDestroyAll();
host.reallocateMigratingInVms();
}
for (Vm vm : vmTmpList) {
// Log.printLine("VM #" + vm.getId() + " utilization: " + String.format("%.2f;",
// vm.getTotalUtilization(CloudSim.clock()) * 100));
if (vm.isInMigration()) {
continue;
}
/**
* TODO: some VMs are still not migrated to the destination but, but migration takes
* long time and before the end new optimization happens. Some new Vms are allocated to
* that host, because there is no knowledge that some VMs are being migrated to that
* host. Therefore, some allocations fail.
*/
PowerHost oldHost = (PowerHost) getVmTable().get(vm.getUid());
// if (oldHost.getId() == 375 && vm.getId() == 383) {
// Log.printLine("found");
// }
// PowerHost oldHost = vm.getHost();
PowerHost allocatedHost = findHostForVm(vm);
// if (allocatedHost.getId() == 235 && vm.getId() == 383) {
// Log.printLine("found");
// }
if (allocatedHost != null) {
// if (vm.getId() == 60 && allocatedHost.getId() == 51) {
// Log.printLine(vm.getId());
// }
Log.printLine("VM #" + vm.getId() + " allocated to host #" + allocatedHost.getId());
allocatedHost.vmCreate(vm);
if (allocatedHost.getId() != oldHost.getId()) {
Map<String, Object> migrate = new HashMap<String, Object>();
migrate.put("vm", vm);
migrate.put("host", allocatedHost);
migrationMap.add(migrate);
// getVmTable().put(vm.getUid(), allocatedHost);
// vmsToRestore.remove(vm);
// Log.printLine("Skip restore of VM #" + vm.getId());
}
}
}
restoreAllocation(vmsToRestore, getHostList());
return migrationMap;
}
}
modules/cloudsim/src/test/java/org/cloudbus/cloudsim/TimeSharedProblemDetector.java
View file @ 06322462
......@@ -147,7 +147,7 @@ public class TimeSharedProblemDetector {
Log.printLine("CloudSimExample1 finished!");
} catch (Exception e) {
e.printStackTrace();
Log.printLine("Unwanted errors happen");
Log.printLine("The simulation has been terminated due to an unexpected error");
}
}
......
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