- 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("host0");
- host1 = Host.getByName("host1");
- }catch (HostNotFoundException e) {
- e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
- }
-
- List<VM> vms = new ArrayList<VM>();
-
- /* Create VM1 */
- int dpRate = 70;
- int load1 = 90;
- int load2 = 80;
-
-
- Msg.info("This example evaluates the migration time of a VM in presence of collocated VMs on the source and the dest nodes");
- Msg.info("The migrated VM has a memory intensity rate of 70% of the network BW and a cpu load of 90% \"(see cloudcom 2013 paper \"Adding a Live Migration Model Into SimGrid\" for further information) ");
-
- 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
- 2048, // Ramsize,
- 125, // Net Bandwidth
- null, //VM disk image
- -1, //size of disk image,
- 125, // Net bandwidth,
- dpRate // Memory intensity
- );
- vms.add(vm1);
- vm1.start();
-
- /* Collocated VMs */
- int collocatedSrc = 6;
- int vmSrcLoad[] = {
- 80,
- 0,
- 90,
- 40,
- 30,
- 90,
- };
-
- XVM tmp = null;
- for (int i=1 ; i<= collocatedSrc ; 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
- );
- vms.add(tmp);
- tmp.start();
- tmp.setLoad(vmSrcLoad[i-1]);
- }
-
- int collocatedDst = 6;
- int vmDstLoad[] = {
- 0,
- 40,
- 90,
- 100,
- 0,
- 80,
- };
-
- for (int i=1 ; i <= collocatedDst ; i++){
- tmp = new XVM(
- host1,
- "vm"+(i+collocatedSrc),
- 1, // Nb of vcpu
- 2048, // Ramsize,
- 125, // Net Bandwidth
- null, //VM disk image
- -1, //size of disk image,
- 125, // Net bandwidth,
- dpRate // Memory intensity
- );
- vms.add(tmp);
- tmp.start();
- tmp.setLoad(vmDstLoad[i-1]);
- }
-
- Msg.info("Round trip of VM1 (load "+load1+"%)");
- vm1.setLoad(load1);
- Msg.info(" - Launch migration from host 0 to host 1");
- startTime = Msg.getClock();
- vm1.migrate(host1);
- endTime = Msg.getClock();
- Msg.info(" - End of Migration from host 0 to host 1 (duration:"+(endTime-startTime)+")");
- Msg.info(" - Launch migration from host 1 to host 0");
- startTime = Msg.getClock();
- vm1.migrate(host0);
- endTime = Msg.getClock();
- Msg.info(" - End of Migration from host 1 to host 0 (duration:"+(endTime-startTime)+")");
-
- Msg.info("\n \n \nRound trip of VM1 (load "+load2+"%)");
- vm1.setLoad(load2);
- Msg.info(" - Launch migration from host 0 to host 1");
- startTime = Msg.getClock();
- vm1.migrate(host1);
- endTime = Msg.getClock();
- Msg.info(" - End of Migration from host 0 to host 1 (duration:"+(endTime-startTime)+")");
- Msg.info(" - Launch migration from host 1 to host 0");
- startTime = Msg.getClock();
- vm1.migrate(host0);
- endTime = Msg.getClock();
- Msg.info(" - End of Migration from host 1 to host 0 (duration:"+(endTime-startTime)+")");
-
- Main.setEndOfTest();
- Msg.info("Destroy VMs");
- for (VM vm: vms)
- vm.destroy();