static int worker_func() {
- msg_task_t task1 = MSG_task_create("t1", 300E6, 0, NULL);
- MSG_task_execute (task1);
- MSG_task_destroy(task1);
- XBT_INFO("This worker is done.");
- return 0;
+ msg_task_t task1 = MSG_task_create("t1", 300E6, 0, NULL);
+ MSG_task_execute (task1);
+ MSG_task_destroy(task1);
+ XBT_INFO("This worker is done.");
+ return 0;
}
static int dvfs(int argc, char *argv[])
{
- msg_host_t host1 = MSG_host_by_name("MyHost1");
- msg_host_t host2 = MSG_host_by_name("MyHost2");
- msg_host_t host3 = MSG_host_by_name("MyHost3");
-
- /* Host 1 */
- XBT_INFO("Creating and starting two VMs");
- msg_vm_t vm_host1 = MSG_vm_create(host1, "vm_host1", 4, 2048, 100, NULL, 1024 * 20, 10,50);
- MSG_vm_start(vm_host1);
- msg_vm_t vm_host3 = MSG_vm_create(host3, "vm_host3", 4, 2048, 100, NULL, 1024 * 20, 10,50);
- MSG_vm_start(vm_host3);
-
- XBT_INFO("Create two tasks on Host1: one inside a VM, the other directly on the host");
- MSG_process_create("p11", worker_func, NULL, vm_host1);
- MSG_process_create("p12", worker_func, NULL, host1);
-
- XBT_INFO("Create two tasks on Host2: both directly on the host");
- MSG_process_create("p21", worker_func, NULL, host2);
- MSG_process_create("p22", worker_func, NULL, host2);
-
- XBT_INFO("Create two tasks on Host3: both inside a VM");
- MSG_process_create("p31", worker_func, NULL, vm_host3);
- MSG_process_create("p32", worker_func, NULL, vm_host3);
-
- 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)");
- MSG_process_sleep(5);
- XBT_INFO("Wait another 5 seconds. The tasks stop at some point in between");
- MSG_process_sleep(5);
-
- MSG_vm_shutdown(vm_host1);
- MSG_vm_shutdown(vm_host3);
-
- return 0;
+ msg_host_t host1 = MSG_host_by_name("MyHost1");
+ msg_host_t host2 = MSG_host_by_name("MyHost2");
+ msg_host_t host3 = MSG_host_by_name("MyHost3");
+
+ /* Host 1 */
+ XBT_INFO("Creating and starting two VMs");
+ msg_vm_t vm_host1 = MSG_vm_create(host1, "vm_host1", 4, 2048, 100, NULL, 1024 * 20, 10,50);
+ MSG_vm_start(vm_host1);
+ msg_vm_t vm_host3 = MSG_vm_create(host3, "vm_host3", 4, 2048, 100, NULL, 1024 * 20, 10,50);
+ MSG_vm_start(vm_host3);
+
+ XBT_INFO("Create two tasks on Host1: one inside a VM, the other directly on the host");
+ MSG_process_create("p11", worker_func, NULL, vm_host1);
+ MSG_process_create("p12", worker_func, NULL, host1);
+
+ XBT_INFO("Create two tasks on Host2: both directly on the host");
+ MSG_process_create("p21", worker_func, NULL, host2);
+ MSG_process_create("p22", worker_func, NULL, host2);
+
+ XBT_INFO("Create two tasks on Host3: both inside a VM");
+ MSG_process_create("p31", worker_func, NULL, vm_host3);
+ MSG_process_create("p32", worker_func, NULL, vm_host3);
+
+ 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)");
+ MSG_process_sleep(5);
+ XBT_INFO("Wait another 5 seconds. The tasks stop at some point in between");
+ MSG_process_sleep(5);
+
+ MSG_vm_shutdown(vm_host1);
+ MSG_vm_shutdown(vm_host3);
+
+ return 0;
}
int main(int argc, char *argv[])
{
- msg_error_t res = MSG_OK;
- sg_energy_plugin_init();
- MSG_init(&argc, argv);
+ msg_error_t res = MSG_OK;
+ sg_energy_plugin_init();
+ MSG_init(&argc, argv);
- if (argc != 2) {
- XBT_CRITICAL("Usage: %s platform_file\n", argv[0]);
- xbt_die("example: %s msg_platform.xml\n", argv[0]);
- }
+ xbt_assert(argc > 1, "Usage: %s platform_file\n"
+ "\tExample: %s msg_platform.xml\n",
+ argv[0], argv[0]);
- MSG_create_environment(argv[1]);
+ MSG_create_environment(argv[1]);
- /* Application deployment */
- MSG_process_create("dvfs",dvfs,NULL,MSG_host_by_name("MyHost1"));
+ /* Application deployment */
+ MSG_process_create("dvfs",dvfs,NULL,MSG_host_by_name("MyHost1"));
- res = MSG_main();
+ res = MSG_main();
- XBT_INFO("Total simulation time: %.2f; All hosts must have the exact same energy consumption.", MSG_get_clock());
+ XBT_INFO("Total simulation time: %.2f; All hosts must have the exact same energy consumption.", MSG_get_clock());
- if (res == MSG_OK)
- return 0;
- else
- return 1;
+ return res != MSG_OK;
}
