/* 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. */
-#include<stdio.h>
+#include <stdio.h>
#include "simgrid/msg.h"
#include "xbt/sysdep.h" /* calloc */
-#include "simgrid/plugins.h"
+#include "simgrid/plugins/energy.h"
/* Create a log channel to have nice outputs. */
#include "xbt/log.h"
#include "xbt/asserts.h"
-XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
- "Messages specific for this msg example");
+XBT_LOG_NEW_DEFAULT_CATEGORY(energy_vm, "Messages of this example");
-static msg_host_t host1 = NULL;
-static msg_host_t host2 = NULL;
-static msg_vm_t vm1 = NULL;
-
-int dvfs(int argc, char *argv[]);
static int worker_func() {
- //MSG_process_on_exit(shutdown_vm, NULL);
-
- msg_task_t task1 = MSG_task_create("t1", 300E6, 0, NULL);
+ msg_task_t task1 = MSG_task_create("t1", 300E6, 0, NULL);
MSG_task_execute (task1);
MSG_task_destroy(task1);
- XBT_INFO("Worker fun done");
- return 0;
+ XBT_INFO("This worker is done.");
+ return 0;
}
-int dvfs(int argc, char *argv[])
+static int dvfs(int argc, char *argv[])
{
- host1 = MSG_host_by_name("MyHost1");
- host2 = MSG_host_by_name("MyHost2");
+ 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 a VM");
- vm1 = MSG_vm_create(host1,
- "vm1", /* name */
- 4, /* number of cpus */
- 2048, /* ram size */
- 100, /* net cap */
- NULL, /* disk path */
- 1024 * 20, /* disk size */
- 10, /* mig netspeed */
- 50 /* dp intensity */
- );
-
- // on Host1 create two tasks, one inside a VM the other one directly on the host
- MSG_vm_start(vm1);
- MSG_process_create("p11", worker_func, NULL, vm1);
+ 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("Task on Host started");
-
- // on Host2, create two tasks directly on the host: Energy of host 1 and host 2 should be the same.
+ 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);
- /* Wait and see */
- MSG_process_sleep(5);
- MSG_process_sleep(5);
- MSG_vm_shutdown(vm1);
+ 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;
}
sg_energy_plugin_init();
MSG_init(&argc, argv);
- if (argc != 3) {
- XBT_CRITICAL("Usage: %s platform_file deployment_file\n",
- argv[0]);
- XBT_CRITICAL
- ("example: %s msg_platform.xml msg_deployment.xml\n",
- argv[0]);
- exit(1);
- }
+ xbt_assert(argc > 1, "Usage: %s platform_file\n"
+ "\tExample: %s msg_platform.xml\n",
+ argv[0], argv[0]);
MSG_create_environment(argv[1]);
/* Application deployment */
- MSG_function_register("dvfs_test", dvfs);
-
- MSG_launch_application(argv[2]);
+ MSG_process_create("dvfs",dvfs,NULL,MSG_host_by_name("MyHost1"));
res = MSG_main();
- XBT_INFO("Total simulation time: %.2f", 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;
}
