1 /* Copyright (c) 2007-2010, 2013-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "simgrid/msg.h"
10 #include "xbt/sysdep.h" /* calloc */
11 #include "simgrid/plugins.h"
13 /* Create a log channel to have nice outputs. */
15 #include "xbt/asserts.h"
17 XBT_LOG_NEW_DEFAULT_CATEGORY(energy_vm, "Messages of this example");
20 static int worker_func() {
21 msg_task_t task1 = MSG_task_create("t1", 300E6, 0, NULL);
22 MSG_task_execute (task1);
23 MSG_task_destroy(task1);
24 XBT_INFO("This worker is done.");
28 static int dvfs(int argc, char *argv[])
30 msg_host_t host1 = MSG_host_by_name("MyHost1");
31 msg_host_t host2 = MSG_host_by_name("MyHost2");
32 msg_host_t host3 = MSG_host_by_name("MyHost3");
35 XBT_INFO("Creating and starting two VMs");
36 msg_vm_t vm1 = MSG_vm_create(host1, "vm1", 4, 2048, 100, NULL, 1024 * 20, 10,50);
38 msg_vm_t vm2 = MSG_vm_create(host3, "vm2", 4, 2048, 100, NULL, 1024 * 20, 10,50);
41 XBT_INFO("Create two tasks on Host1: one inside a VM, the other directly on the host");
42 MSG_process_create("p11", worker_func, NULL, vm1);
43 MSG_process_create("p12", worker_func, NULL, host1);
45 XBT_INFO("Create two tasks on Host2: both directly on the host");
46 MSG_process_create("p21", worker_func, NULL, host2);
47 MSG_process_create("p22", worker_func, NULL, host2);
49 XBT_INFO("Create two tasks on Host3: both inside a VM");
50 MSG_process_create("p31", worker_func, NULL, vm2);
51 MSG_process_create("p32", worker_func, NULL, vm2);
53 XBT_INFO("Wait 5 seconds. The tasks are still running (they run for 3 seconds, but 2 tasks are co-located, so they run for 6 seconds)");
55 XBT_INFO("Wait another 5 seconds. The tasks stop at some point in between");
64 int main(int argc, char *argv[])
66 msg_error_t res = MSG_OK;
67 sg_energy_plugin_init();
68 MSG_init(&argc, argv);
71 XBT_CRITICAL("Usage: %s platform_file\n", argv[0]);
72 xbt_die("example: %s msg_platform.xml\n", argv[0]);
75 MSG_create_environment(argv[1]);
77 /* Application deployment */
78 MSG_process_create("dvfs",dvfs,NULL,MSG_host_by_name("MyHost1"));
82 XBT_INFO("Total simulation time: %.2f; All hosts must have the exact same energy consumption.", MSG_get_clock());