1 /* Copyright (c) 2007-2019. 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. */
7 #include "simgrid/msg.h"
8 #include "simgrid/plugins/energy.h"
10 XBT_LOG_NEW_DEFAULT_CATEGORY(energy_vm, "Messages of this example");
12 static int worker_func(XBT_ATTRIB_UNUSED int argc, XBT_ATTRIB_UNUSED char* argv[])
14 msg_task_t task1 = MSG_task_create("t1", 300E6, 0, NULL);
15 MSG_task_execute (task1);
16 MSG_task_destroy(task1);
17 XBT_INFO("This worker is done.");
21 static int dvfs(XBT_ATTRIB_UNUSED int argc, XBT_ATTRIB_UNUSED char* argv[])
23 msg_host_t host1 = MSG_host_by_name("MyHost1");
24 msg_host_t host2 = MSG_host_by_name("MyHost2");
25 msg_host_t host3 = MSG_host_by_name("MyHost3");
28 XBT_INFO("Creating and starting two VMs");
29 msg_vm_t vm_host1 = MSG_vm_create_core(host1, "vm_host1");
30 MSG_vm_start(vm_host1);
31 msg_vm_t vm_host2 = MSG_vm_create_core(host2, "vm_host2");
32 MSG_vm_start(vm_host2);
34 XBT_INFO("Create two tasks on Host1: both inside a VM");
35 MSG_process_create("p11", worker_func, NULL, (msg_host_t)vm_host1);
36 MSG_process_create("p12", worker_func, NULL, (msg_host_t)vm_host1);
38 XBT_INFO("Create two tasks on Host2: one inside a VM, the other directly on the host");
39 MSG_process_create("p21", worker_func, NULL, (msg_host_t)vm_host2);
40 MSG_process_create("p22", worker_func, NULL, host2);
42 XBT_INFO("Create two tasks on Host3: both directly on the host");
43 MSG_process_create("p31", worker_func, NULL, host3);
44 MSG_process_create("p32", worker_func, NULL, host3);
46 XBT_INFO("Wait 5 seconds. The tasks are still running (they run for 3 seconds, but 2 tasks are co-located, "
47 "so they run for 6 seconds)");
49 XBT_INFO("Wait another 5 seconds. The tasks stop at some point in between");
52 MSG_vm_destroy(vm_host1);
53 MSG_vm_destroy(vm_host2);
58 int main(int argc, char *argv[])
60 sg_host_energy_plugin_init();
61 MSG_init(&argc, argv);
63 xbt_assert(argc > 1, "Usage: %s platform_file\n\tExample: %s msg_platform.xml\n", argv[0], argv[0]);
65 MSG_create_environment(argv[1]);
67 MSG_process_create("dvfs",dvfs,NULL,MSG_host_by_name("MyHost1"));
69 msg_error_t res = MSG_main();
71 XBT_INFO("Total simulation time: %.2f; Host2 and Host3 must have the exact same energy consumption; Host1 is "
72 "multi-core and will differ.",