1 /* Copyright (c) 2007, 2008, 2009, 2010. 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. */
10 #include "xbt/sysdep.h" /* calloc */
12 /* Create a log channel to have nice outputs. */
14 #include "xbt/asserts.h"
16 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
17 "Messages specific for this msg example");
19 int dvfs(int argc, char *argv[]);
22 int dvfs(int argc, char *argv[])
24 msg_host_t host = NULL;
25 msg_task_t task1 = NULL;
27 host = MSG_get_host_by_name("MyHost1");
30 double current_peak = MSG_get_host_current_power_peak(host);
31 XBT_INFO("Current power peak=%lf", current_peak);
33 double consumed_energy = MSG_get_host_consumed_energy(host);
34 XBT_INFO("Total energy (Joules): %lf", consumed_energy);
37 task1 = MSG_task_create ("t1", 100E6, 0, NULL);
38 MSG_task_execute (task1);
39 MSG_task_destroy(task1);
41 task_time = MSG_get_clock();
42 XBT_INFO("Task1 simulation time: %le", task_time);
43 consumed_energy = MSG_get_host_consumed_energy(host);
44 XBT_INFO("Total energy (Joules): %lf", consumed_energy);
46 // ========= Change power peak =========
48 double peak_at = MSG_get_host_power_peak_at(host, peak_index);
49 XBT_INFO("=========Changing power peak value to %lf (at index %d)", peak_at, peak_index);
51 MSG_set_host_power_peak_at(host, peak_index);
54 task1 = MSG_task_create ("t2", 100E6, 0, NULL);
55 MSG_task_execute (task1);
56 MSG_task_destroy(task1);
58 task_time = MSG_get_clock() - task_time;
59 XBT_INFO("Task2 simulation time: %le", task_time);
61 consumed_energy = MSG_get_host_consumed_energy(host);
62 XBT_INFO("Total energy (Joules): %lf", consumed_energy);
67 task_time = MSG_get_clock() - task_time;
68 XBT_INFO("Task3 (sleep) simulation time: %le", task_time);
69 consumed_energy = MSG_get_host_consumed_energy(host);
70 XBT_INFO("Total energy (Joules): %lf", consumed_energy);
76 int main(int argc, char *argv[])
78 msg_error_t res = MSG_OK;
80 MSG_init(&argc, argv);
83 XBT_CRITICAL("Usage: %s platform_file deployment_file\n",
86 ("example: %s msg_platform.xml msg_deployment.xml\n",
91 MSG_create_environment(argv[1]);
93 /* Application deployment */
94 MSG_function_register("dvfs_test", dvfs);
96 MSG_launch_application(argv[2]);
100 XBT_INFO("Total simulation time: %le", MSG_get_clock());