X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d04fca45db7b95d95da6615e54a38c467ef3c230..3170b91295658a54f2ab6af187ec0bb239ffa9ea:/examples/msg/energy/consumption/energy_consumption.c?ds=sidebyside

diff --git a/examples/msg/energy/consumption/energy_consumption.c b/examples/msg/energy/consumption/energy_consumption.c
new file mode 100644
index 0000000000..822f1d7aad
--- /dev/null
+++ b/examples/msg/energy/consumption/energy_consumption.c
@@ -0,0 +1,120 @@
+/* Copyright (c) 2007-2010, 2013-2014. 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<stdio.h>
+
+#include "simgrid/msg.h"
+#include "xbt/sysdep.h"         /* calloc */
+#include "simgrid/plugins.h"
+
+/* Create a log channel to have nice outputs. */
+#include "xbt/log.h"
+#include "xbt/asserts.h"
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
+                             "Messages specific for this msg example");
+
+int dvfs(int argc, char *argv[]);
+
+
+int dvfs(int argc, char *argv[])
+{
+  msg_host_t host = NULL;
+  msg_task_t task1 = NULL;
+  host = MSG_get_host_by_name("MyHost1");
+
+
+  XBT_INFO("Energetic profile: %s",
+		  MSG_host_get_property_value(host,"watt_per_state"));
+  XBT_INFO("Initial peak speed=%.0E flop/s; Energy dissipated =%.0E J",
+		  MSG_host_get_current_power_peak(host), MSG_host_get_consumed_energy(host));
+
+  double start = MSG_get_clock();
+  XBT_INFO("Sleep for 10 seconds");
+  MSG_process_sleep(10);
+  XBT_INFO("Done sleeping (duration: %.2f s). Current peak speed=%.0E; Energy dissipated=%.2f J",
+		  MSG_get_clock()-start,
+		  MSG_host_get_current_power_peak(host), MSG_host_get_consumed_energy(host));
+
+  // Run a task
+  start = MSG_get_clock();
+  XBT_INFO("Run a task for 100E6 flops");
+  task1 = MSG_task_create ("t1", 100E6, 0, NULL);
+  MSG_task_execute (task1);
+  MSG_task_destroy(task1);
+  XBT_INFO("Task done (duration: %.2f s). Current peak speed=%.0E flop/s; Energy dissipated=%.0f J",
+		  MSG_get_clock()-start,
+		  MSG_host_get_current_power_peak(host), MSG_host_get_consumed_energy(host));
+
+  // ========= Change power peak =========
+  int pstate=2;
+  MSG_host_set_pstate(host, pstate);
+  XBT_INFO("========= Requesting pstate %d (speed should be of %.2f flop/s and is of %.2f flop/s)",
+		  pstate,
+		  MSG_host_get_power_peak_at(host, pstate),
+		  MSG_host_get_current_power_peak(host));
+
+  // Run a second task
+  start = MSG_get_clock();
+  XBT_INFO("Run a task for 100E6 flops");
+  task1 = MSG_task_create ("t2", 100E6, 0, NULL);
+  MSG_task_execute (task1);
+  MSG_task_destroy(task1);
+  XBT_INFO("Task done (duration: %.2f s). Current peak speed=%.0E flop/s; Energy dissipated=%.0f J",
+		  MSG_get_clock()-start,
+		  MSG_host_get_current_power_peak(host), MSG_host_get_consumed_energy(host));
+
+  start = MSG_get_clock();
+  XBT_INFO("Sleep for 4 seconds");
+  MSG_process_sleep(4);
+  XBT_INFO("Done sleeping (duration: %.2f s). Current peak speed=%.0E flop/s; Energy dissipated=%.0f J",
+		  MSG_get_clock()-start,
+		  MSG_host_get_current_power_peak(host), MSG_host_get_consumed_energy(host));
+
+  // =========== Turn the other host off ==========
+  XBT_INFO("Turning MyHost2 off, and sleeping another 10 seconds. MyHost2 dissipated %.0f J so far.",
+		  MSG_host_get_consumed_energy(MSG_get_host_by_name("MyHost2")) );
+  MSG_host_off(MSG_get_host_by_name("MyHost2"));
+  start = MSG_get_clock();
+  MSG_process_sleep(10);
+  XBT_INFO("Done sleeping (duration: %.2f s). Current peak speed=%.0E flop/s; Energy dissipated=%.0f J",
+		  MSG_get_clock()-start,
+		  MSG_host_get_current_power_peak(host), MSG_host_get_consumed_energy(host));
+  return 0;
+}
+
+int main(int argc, char *argv[])
+{
+  msg_error_t res = MSG_OK;
+  sg_energy_plugin_init();
+  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: %.2f", MSG_get_clock());
+
+  if (res == MSG_OK)
+    return 0;
+  else
+    return 1;
+}
+