+++ /dev/null
-/* Copyright (c) 2007-2010, 2013-2015. The SimGrid Team.
- * All rights reserved. */
-
-/* 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 "simgrid/msg.h"
-
-/** @addtogroup MSG_examples
- *
- * - <b>energy-pstate/energy-pstate.c</b> Shows how a set of pstates can be defined for a host and how the current
- * pstate can be
- * accessed/changed with @ref MSG_get_host_current_power_peak and @ref MSG_set_host_pstate.
- * Make sure to read the platform XML file for details on how to declare the CPU capacity for each pstate.
- */
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(test, "Pstate properties test");
-
-static int dvfs(int argc, char *argv[])
-{
- double workload = 100E6;
- msg_host_t host = MSG_host_self();
-
- int nb = MSG_host_get_nb_pstates(host);
- XBT_INFO("Count of Processor states=%d", nb);
-
- double current_peak = MSG_host_get_current_power_peak(host);
- XBT_INFO("Current power peak=%f", current_peak);
-
- // Run a task
- msg_task_t task1 = MSG_task_create ("t1", workload, 0, NULL);
- MSG_task_execute (task1);
- MSG_task_destroy(task1);
-
- double task_time = MSG_get_clock();
- XBT_INFO("Task1 simulation time: %e", task_time);
-
- // Change power peak
- int new_pstate = 2;
- xbt_assert(new_pstate < nb, "Cannot set the host %s at pstate %d because it only provides %d pstates.",
- MSG_host_get_name(host), new_pstate, nb);
-
- double peak_at = MSG_host_get_power_peak_at(host, new_pstate);
- XBT_INFO("Changing power peak value to %f (at index %d)", peak_at, new_pstate);
-
- MSG_host_set_pstate(host, new_pstate);
-
- current_peak = MSG_host_get_current_power_peak(host);
- XBT_INFO("Current power peak=%f", current_peak);
-
- // Run a second task
- task1 = MSG_task_create ("t1", workload, 0, NULL);
- MSG_task_execute (task1);
- MSG_task_destroy(task1);
-
- task_time = MSG_get_clock() - task_time;
- XBT_INFO("Task2 simulation time: %e", task_time);
-
- // Verify the default pstate is set to 0
- host = MSG_host_by_name("MyHost2");
- int nb2 = MSG_host_get_nb_pstates(host);
- XBT_INFO("Count of Processor states=%d", nb2);
-
- double current_peak2 = MSG_host_get_current_power_peak(host);
- XBT_INFO("Current power peak=%f", current_peak2);
- return 0;
-}
-
-int main(int argc, char *argv[])
-{
- MSG_init(&argc, argv);
-
- xbt_assert(argc == 2, "Usage: %s platform_file\n\tExample: %s msg_platform.xml\n", argv[0], argv[0]);
-
- MSG_create_environment(argv[1]);
-
- MSG_process_create("dvfs_test", dvfs, NULL, MSG_get_host_by_name("MyHost1"));
- MSG_process_create("dvfs_test", dvfs, NULL, MSG_get_host_by_name("MyHost2"));
-
- msg_error_t res = MSG_main();
-
- XBT_INFO("Total simulation time: %e", MSG_get_clock());
-
- return res != MSG_OK;
-}
