1 /* Copyright (c) 2016. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
8 import org.simgrid.msg.Msg;
9 import org.simgrid.msg.VM;
10 import org.simgrid.msg.Host;
11 import org.simgrid.msg.Task;
12 import org.simgrid.msg.Process;
13 import org.simgrid.msg.MsgException;
14 import org.simgrid.msg.HostFailureException;
15 import org.simgrid.msg.HostNotFoundException;
16 import org.simgrid.msg.TaskCancelledException;
17 import org.simgrid.msg.NativeException;
19 /* This class is a process in charge of running the test. It creates and starts the VMs, and fork processes within VMs */
20 public class EnergyVMRunner extends Process {
22 public class DummyProcess extends Process {
23 public DummyProcess (Host host, String name) {
28 public void main(String[] strings) {
29 Task task = new Task(this.getHost().getName()+"-task", 300E6 , 0);
32 } catch (HostFailureException | TaskCancelledException e) {
33 Msg.error(e.getMessage());
36 Msg.info("This worker is done.");
40 EnergyVMRunner(Host host, String name, String[] args) throws HostNotFoundException, NativeException {
41 super(host, name, args);
45 public void main(String[] strings) throws HostNotFoundException, HostFailureException {
47 Host host1 = Host.getByName("MyHost1");
48 Host host2 = Host.getByName("MyHost2");
49 Host host3 = Host.getByName("MyHost3");
51 Msg.info("Creating and starting two VMs");
52 VM vmHost1 = new VM(host1, "vmHost1", 4, 2048, 100, null, 1024 * 20, 10,50);
55 VM vmHost3 = new VM(host3, "vmHost3", 4, 2048, 100, null, 1024 * 20, 10,50);
58 Msg.info("Create two tasks on Host1: one inside a VM, the other directly on the host");
59 new DummyProcess (vmHost1, "p11");
60 new DummyProcess (host1, "p12");
62 Msg.info("Create two tasks on Host2: both directly on the host");
63 new DummyProcess (host2, "p21");
64 new DummyProcess (host2, "p22");
66 Msg.info("Create two tasks on Host3: both inside a VM");
67 new DummyProcess (vmHost3, "p31");
68 new DummyProcess (vmHost3, "p312");
70 Msg.info("Wait 5 seconds. The tasks are still running (they run for 3 seconds, but 2 tasks are co-located, "
71 + "so they run for 6 seconds)");
73 Msg.info("Wait another 5 seconds. The tasks stop at some point in between");