-/* Copyright (c) 2007-2010, 2013-2014. The SimGrid Team.
+/* 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"
-#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_pstate.
- * Make sure to read the platform XML file for details on how
- * to declare the CPU capacity for each pstate.
- *
+ * - <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_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");
-
-int dvfs(int argc, char *argv[]);
+XBT_LOG_NEW_DEFAULT_CATEGORY(test, "Pstate properties test");
-
-int dvfs(int argc, char *argv[])
+static 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");
+ msg_host_t host = MSG_host_self();; //MSG_get_host_by_name("MyHost1");
int nb = MSG_host_get_nb_pstates(host);
XBT_INFO("Count of Processor states=%d", nb);
XBT_INFO("Current power peak=%f", current_peak);
// Run a task
- task1 = MSG_task_create ("t1", workload, 0, NULL);
+ msg_task_t task1 = MSG_task_create ("t1", workload, 0, NULL);
MSG_task_execute (task1);
MSG_task_destroy(task1);
- task_time = MSG_get_clock();
+ double 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;
- }
+ 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_host_get_power_peak_at(host, new_peak_index);
XBT_INFO("Changing power peak value to %f (at index %d)", peak_at, new_peak_index);
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");
+ host = MSG_host_by_name("MyHost2");
int nb2 = MSG_host_get_nb_pstates(host);
XBT_INFO("Count of Processor states=%d", nb2);
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 == 2, "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_test", dvfs, NULL, MSG_get_host_by_name("MyHost1"));
+ MSG_process_create("dvfs_test", dvfs, NULL, MSG_get_host_by_name("MyHost2"));
res = MSG_main();
XBT_INFO("Total simulation time: %e", MSG_get_clock());
- if (res == MSG_OK)
- return 0;
- else
- return 1;
+ return res != MSG_OK;
}
-