2 /* Copyright (c) 2007-2010, 2013. The SimGrid Team.
3 * All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
11 #include "xbt/sysdep.h" /* calloc */
12 #include "simgrid/plugins.h"
14 /* Create a log channel to have nice outputs. */
16 #include "xbt/asserts.h"
18 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
19 "Messages specific for this msg example");
21 int dvfs(int argc, char *argv[]);
24 int dvfs(int argc, char *argv[])
26 msg_host_t host = NULL;
27 msg_task_t task1 = NULL;
29 host = MSG_get_host_by_name("MyHost1");
32 double current_peak = MSG_get_host_current_power_peak(host);
33 XBT_INFO("Current power peak=%f", current_peak);
35 double consumed_energy = MSG_get_host_consumed_energy(host);
36 XBT_INFO("Total energy (Joules): %f", consumed_energy);
39 task1 = MSG_task_create ("t1", 100E6, 0, NULL);
40 MSG_task_execute (task1);
41 MSG_task_destroy(task1);
43 task_time = MSG_get_clock();
44 XBT_INFO("Task1 simulation time: %e", task_time);
45 consumed_energy = MSG_get_host_consumed_energy(host);
46 XBT_INFO("Total energy (Joules): %f", consumed_energy);
48 // ========= Change power peak =========
50 double peak_at = MSG_get_host_power_peak_at(host, peak_index);
51 XBT_INFO("=========Changing power peak value to %f (at index %d)", peak_at, peak_index);
53 MSG_set_host_power_peak_at(host, peak_index);
56 task1 = MSG_task_create ("t2", 100E6, 0, NULL);
57 MSG_task_execute (task1);
58 MSG_task_destroy(task1);
60 task_time = MSG_get_clock() - task_time;
61 XBT_INFO("Task2 simulation time: %e", task_time);
63 consumed_energy = MSG_get_host_consumed_energy(host);
64 XBT_INFO("Total energy (Joules): %f", consumed_energy);
69 task_time = MSG_get_clock() - task_time;
70 XBT_INFO("Task3 (sleep) simulation time: %e", task_time);
71 consumed_energy = MSG_get_host_consumed_energy(host);
72 XBT_INFO("Total energy (Joules): %f", consumed_energy);
77 int main(int argc, char *argv[])
79 msg_error_t res = MSG_OK;
80 sg_energy_plugin_init();
81 MSG_init(&argc, argv);
84 XBT_CRITICAL("Usage: %s platform_file deployment_file\n",
87 ("example: %s msg_platform.xml msg_deployment.xml\n",
92 MSG_create_environment(argv[1]);
94 /* Application deployment */
95 MSG_function_register("dvfs_test", dvfs);
97 MSG_launch_application(argv[2]);
101 XBT_INFO("Total simulation time: %e", MSG_get_clock());