-/* Copyright (c) 2014, 2016. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2014-2018. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
import java.util.ArrayList;
import java.util.List;
-
-import org.simgrid.msg.*;
+import org.simgrid.msg.Host;
+import org.simgrid.msg.HostFailureException;
+import org.simgrid.msg.HostNotFoundException;
+import org.simgrid.msg.Msg;
+import org.simgrid.msg.MsgException;
import org.simgrid.msg.Process;
+import org.simgrid.msg.VM;
public class Test extends Process{
- Test(String hostname, String name) throws HostNotFoundException, NativeException {
+ Test(String hostname, String name) throws HostNotFoundException {
super(hostname, name);
}
+ public void doMigration(VM vm, Host src, Host dst) throws HostFailureException{
+ Msg.info(" - Launch migration from "+ src.getName() +" to " + dst.getName());
+ double startTime = Msg.getClock();
+ vm.migrate(dst);
+ double endTime = Msg.getClock();
+ Msg.info(" - End of Migration from "+ src.getName() +" to " + dst.getName()+ " (duration:" +
+ (endTime-startTime)+")");
+ }
+
public void main(String[] strings) throws MsgException {
- double startTime = 0;
- double endTime = 0;
-
- /* get hosts 1 and 2*/
- Host host0 = null;
- Host host1 = null;
-
- try {
- host0 = Host.getByName("PM0");
- host1 = Host.getByName("PM1");
- }catch (HostNotFoundException e) {
- e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
- }
+ Host host0 = Host.getByName("PM0");
+ Host host1 = Host.getByName("PM1");
- List<VM> vms = new ArrayList<VM>();
+ List<VM> vms = new ArrayList<>();
/* Create VM1 */
int dpRate = 70;
Msg.info("Load of collocated VMs fluctuate between 0 and 90% in order to create a starvation issue and see "
+ "whether it impacts or not the migration time");
- XVM vm1 = null;
- vm1 = new XVM(host0, "vm0",
- 1, // Nb of vcpu
+ XVM vm1 = new XVM(host0, "vm0",
2048, // Ramsize,
- 125, // Net Bandwidth
- null, //VM disk image
- -1, //size of disk image,
125, // Net bandwidth,
dpRate // Memory intensity
);
vm1.start();
/* Collocated VMs */
- int collocatedSrc = 6;
- int vmSrcLoad[] = {
+ int[] vmSrcLoad = {
80,
0,
90,
90,
};
- XVM tmp = null;
- for (int i=1 ; i<= collocatedSrc ; i++){
+ XVM tmp;
+ for (int i=1 ; i<= vmSrcLoad.length ; i++){
tmp = new XVM(host0, "vm"+i,
- 1, // Nb of vcpu
2048, // Ramsize,
- 125, // Net Bandwidth
- null, //VM disk image
- -1, //size of disk image,
125, // Net bandwidth,
dpRate // Memory intensity
);
tmp.setLoad(vmSrcLoad[i-1]);
}
- int collocatedDst = 6;
- int vmDstLoad[] = {
+ int[] vmDstLoad = {
0,
40,
90,
80,
};
- for (int i=1 ; i <= collocatedDst ; i++){
- tmp = new XVM(host1, "vm"+(i+collocatedSrc),
- 1, // Nb of vcpu
+ for (int i=1 ; i <= vmDstLoad.length ; i++){
+ tmp = new XVM(host1, "vm"+(i+vmSrcLoad.length),
2048, // Ramsize,
- 125, // Net Bandwidth
- null, //VM disk image
- -1, //size of disk image,
125, // Net bandwidth,
dpRate // Memory intensity
);
Msg.info("Round trip of VM1 (load "+load1+"%)");
vm1.setLoad(load1);
- Msg.info(" - Launch migration from PM0 to PM1");
- startTime = Msg.getClock();
- vm1.migrate(host1);
- endTime = Msg.getClock();
- Msg.info(" - End of Migration from PM0 to PM1 (duration:"+(endTime-startTime)+")");
- Msg.info(" - Launch migration from PM1 to PM0");
- startTime = Msg.getClock();
- vm1.migrate(host0);
- endTime = Msg.getClock();
- Msg.info(" - End of Migration from PM1 to PM0 (duration:"+(endTime-startTime)+")");
-
+ doMigration(vm1, host0, host1);
+ doMigration(vm1, host1, host0);
Msg.info("");
Msg.info("");
Msg.info("Round trip of VM1 (load "+load2+"%)");
vm1.setLoad(load2);
- Msg.info(" - Launch migration from PM0 to PM1");
- startTime = Msg.getClock();
- vm1.migrate(host1);
- endTime = Msg.getClock();
- Msg.info(" - End of Migration from PM0 to PM1 (duration:"+(endTime-startTime)+")");
- Msg.info(" - Launch migration from PM1 to PM0");
- startTime = Msg.getClock();
- vm1.migrate(host0);
- endTime = Msg.getClock();
- Msg.info(" - End of Migration from PM1 to PM0 (duration:"+(endTime-startTime)+")");
+ doMigration(vm1, host0, host1);
+ doMigration(vm1, host1, host0);
Main.setEndOfTest();
Msg.info("Forcefully destroy VMs");