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/* Copyright (c) 2007-2025. 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 org.simgrid.s4u.*;
class Executor extends Actor {
public void run()
{
execute(300E6);
Engine.info("This worker is done.");
}
}
class dvfs extends Actor {
public void run()
{
Engine e = get_engine();
Host host1 = e.host_by_name("MyHost1");
Host host2 = e.host_by_name("MyHost2");
Host host3 = e.host_by_name("MyHost3");
/* Host 1 */
Engine.info("Creating and starting two VMs");
var vm_host1 = host1.create_vm("vm_host1", 1);
vm_host1.start();
var vm_host2 = host2.create_vm("vm_host2", 1);
vm_host2.start();
Engine.info("Create two activities on Host1: both inside a VM");
vm_host1.add_actor("p11", new Executor());
vm_host1.add_actor("p12", new Executor());
Engine.info("Create two activities on Host2: one inside a VM, the other directly on the host");
vm_host2.add_actor("p21", new Executor());
host2.add_actor("p22", new Executor());
Engine.info("Create two activities on Host3: both directly on the host");
host3.add_actor("p31", new Executor());
host3.add_actor("p32", new Executor());
Engine.info("Wait 5 seconds. The activities are still running (they run for 3 seconds, but 2 activities are "
+ "co-located, so they run for 6 seconds)");
sleep_for(5);
Engine.info("Wait another 5 seconds. The activities stop at some point in between");
sleep_for(5);
vm_host1.destroy();
vm_host2.destroy();
}
}
public class energy_vm {
public static void main(String[] args)
{
Engine e = new Engine(args);
e.plugin_host_energy_init();
if (args.length < 1)
Engine.die("Usage: java -cp energy_vm.jar energy_vm platform_file\n\tExample: java -cp energy_vm.jar energy_vm "
+ "../platforms/energy_platform.xml\n");
e.load_platform(args[0]);
e.host_by_name("MyHost1").add_actor("dvfs", new dvfs());
e.run();
Engine.info("Simulation ends. Host2 and Host3 must have the exact same energy consumption; Host1 "
+ "is multi-core and will differ.",
Engine.get_clock());
// The following call is useless in your code, but our continuous integration uses it to track memleaks
e.force_garbage_collection();
}
}
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