--- /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"
+#include "simgrid/plugins/energy.h"
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
+
+static void simulate_bootup(msg_host_t host) {
+ int previous_pstate = MSG_host_get_pstate(host);
+
+ XBT_INFO("Switch to virtual pstate 3, that encodes the shutting down state in the XML file of that example");
+ MSG_host_set_pstate(host,3);
+
+ msg_host_t host_list[1] = {host};
+ double flops_amount[1] = {1};
+ double bytes_amount[1] = {0};
+
+ XBT_INFO("Actually start the host");
+ MSG_host_on(host);
+
+ XBT_INFO("Simulate the boot up by executing one flop on that host");
+ // We use a parallel task to run some task on a remote host.
+ msg_task_t bootup = MSG_parallel_task_create("boot up", 1, host_list, flops_amount, bytes_amount, NULL);
+ MSG_task_execute(bootup);
+ MSG_task_destroy(bootup);
+
+ XBT_INFO("Switch back to previously selected pstate %d", previous_pstate);
+ MSG_host_set_pstate(host, previous_pstate);
+}
+
+static void simulate_shutdown(msg_host_t host) {
+ int previous_pstate = MSG_host_get_pstate(host);
+
+ XBT_INFO("Switch to virtual pstate 4, that encodes the shutting down state in the XML file of that example");
+ MSG_host_set_pstate(host,4);
+
+ msg_host_t host_list[1] = {host};
+ double flops_amount[1] = {1};
+ double bytes_amount[1] = {0};
+
+ XBT_INFO("Simulate the shutdown by executing one flop on that remote host (using a parallel task)");
+ msg_task_t shutdown = MSG_parallel_task_create("shutdown", 1, host_list, flops_amount, bytes_amount, NULL);
+ MSG_task_execute(shutdown);
+ MSG_task_destroy(shutdown);
+
+ XBT_INFO("Switch back to previously selected pstate %d", previous_pstate);
+ MSG_host_set_pstate(host, previous_pstate);
+
+ XBT_INFO("Actually shutdown the host");
+ MSG_host_off(host);
+}
+
+static int onoff(int argc, char *argv[]) {
+ msg_host_t host1 = MSG_host_by_name("MyHost1");
+
+ XBT_INFO("Energetic profile: %s", MSG_host_get_property_value(host1,"watt_per_state"));
+ XBT_INFO("Initial peak speed=%.0E flop/s; Energy dissipated =%.0E J",
+ MSG_host_get_current_power_peak(host1), sg_host_get_consumed_energy(host1));
+
+ XBT_INFO("Sleep for 10 seconds");
+ MSG_process_sleep(10);
+ XBT_INFO("Done sleeping. Current peak speed=%.0E; Energy dissipated=%.2f J",
+ MSG_host_get_current_power_peak(host1), sg_host_get_consumed_energy(host1));
+
+ simulate_shutdown(host1);
+ XBT_INFO("Host1 is now OFF. Current peak speed=%.0E flop/s; Energy dissipated=%.0f J",
+ MSG_host_get_current_power_peak(host1), sg_host_get_consumed_energy(host1));
+
+ XBT_INFO("Sleep for 10 seconds");
+ MSG_process_sleep(10);
+ XBT_INFO("Done sleeping. Current peak speed=%.0E; Energy dissipated=%.2f J",
+ MSG_host_get_current_power_peak(host1), sg_host_get_consumed_energy(host1));
+
+ simulate_bootup(host1);
+ XBT_INFO("Host1 is now ON again. Current peak speed=%.0E flop/s; Energy dissipated=%.0f J",
+ MSG_host_get_current_power_peak(host1), sg_host_get_consumed_energy(host1));
+
+ return 0;
+}
+
+int main(int argc, char *argv[])
+{
+ msg_error_t res = MSG_OK;
+ sg_energy_plugin_init();
+ 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("onoff_test", onoff, NULL, MSG_get_host_by_name("MyHost2"));
+
+ res = MSG_main();
+
+ XBT_INFO("Total simulation time: %.2f", MSG_get_clock());
+
+ return res != MSG_OK;
+}
