+++ /dev/null
-/* Copyright (c) 2007-2010, 2013. 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 "msg/msg.h"
-#include "xbt/sysdep.h" /* calloc */
-
-/* Create a log channel to have nice outputs. */
-#include "xbt/log.h"
-#include "xbt/asserts.h"
-
-
-/** @addtogroup MSG_examples
- *
- * - <b>energy/e1/e1.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_power_peak_at.
- * 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");
-
-int dvfs(int argc, char *argv[]);
-
-
-int dvfs(int argc, char *argv[])
-{
- msg_host_t host = NULL;
- msg_task_t task1 = NULL;
- double task_time = 0;
- double workload = 100E6;
- int new_peak_index=2;
- host = MSG_host_self();; //MSG_get_host_by_name("MyHost1");
-
- int nb = MSG_get_host_nb_pstates(host);
- XBT_INFO("Number of Processor states=%d", nb);
-
- double current_peak = MSG_get_host_current_power_peak(host);
- XBT_INFO("Current power peak=%f", current_peak);
-
- // Run a task
- task1 = MSG_task_create ("t1", workload, 0, NULL);
- MSG_task_execute (task1);
- MSG_task_destroy(task1);
-
- task_time = MSG_get_clock();
- XBT_INFO("Task1 simulation time: %e", task_time);
-
- // Change power peak
- if ((new_peak_index >= nb) || (new_peak_index < 0))
- {
- XBT_INFO("Cannot set pstate %d, host supports only %d pstates", new_peak_index, nb);
- return 0;
- }
-
- double peak_at = MSG_get_host_power_peak_at(host, new_peak_index);
- XBT_INFO("Changing power peak value to %f (at index %d)", peak_at, new_peak_index);
-
- MSG_set_host_power_peak_at(host, new_peak_index);
-
- current_peak = MSG_get_host_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_get_host_by_name("MyHost2");
- int nb2 = MSG_get_host_nb_pstates(host);
- XBT_INFO("Number of Processor states=%d", nb2);
-
- double current_peak2 = MSG_get_host_current_power_peak(host);
- XBT_INFO("Current power peak=%f", current_peak2);
- return 0;
-}
-
-int main(int argc, char *argv[])
-{
- msg_error_t res = MSG_OK;
-
- 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);
- }
-
- MSG_create_environment(argv[1]);
-
- /* Application deployment */
- MSG_function_register("dvfs_test", dvfs);
-
- MSG_launch_application(argv[2]);
-
- res = MSG_main();
-
- XBT_INFO("Total simulation time: %e", MSG_get_clock());
-
- if (res == MSG_OK)
- return 0;
- else
- return 1;
-}
-
