+++ /dev/null
-/* Copyright (c) 2007-2020. 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/s4u.hpp"
-#include "simgrid/plugins/energy.h"
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "Messages specific for this s4u example");
-
-static void dvfs()
-{
- simgrid::s4u::Host* host1 = simgrid::s4u::Host::by_name("MyHost1");
- simgrid::s4u::Host* host2 = simgrid::s4u::Host::by_name("MyHost2");
-
- XBT_INFO("Energetic profile: %s", host1->get_property("wattage_per_state"));
- XBT_INFO("Initial peak speed=%.0E flop/s; Energy dissipated =%.0E J", host1->get_speed(),
- sg_host_get_consumed_energy(host1));
-
- double start = simgrid::s4u::Engine::get_clock();
- XBT_INFO("Sleep for 10 seconds");
- simgrid::s4u::this_actor::sleep_for(10);
- XBT_INFO("Done sleeping (duration: %.2f s). Current peak speed=%.0E; Energy dissipated=%.2f J",
- simgrid::s4u::Engine::get_clock() - start, host1->get_speed(), sg_host_get_consumed_energy(host1));
-
- // Execute something
- start = simgrid::s4u::Engine::get_clock();
- double flopAmount = 100E6;
- XBT_INFO("Run a task of %.0E flops", flopAmount);
- simgrid::s4u::this_actor::execute(flopAmount);
- XBT_INFO("Task done (duration: %.2f s). Current peak speed=%.0E flop/s; Current consumption: from %.0fW to %.0fW"
- " depending on load; Energy dissipated=%.0f J",
- simgrid::s4u::Engine::get_clock() - start, host1->get_speed(),
- sg_host_get_wattmin_at(host1, host1->get_pstate()), sg_host_get_wattmax_at(host1, host1->get_pstate()),
- sg_host_get_consumed_energy(host1));
-
- // ========= Change power peak =========
- int pstate = 2;
- host1->set_pstate(pstate);
- XBT_INFO("========= Requesting pstate %d (speed should be of %.0E flop/s and is of %.0E flop/s)", pstate,
- host1->get_pstate_speed(pstate), host1->get_speed());
-
- // Run another task
- start = simgrid::s4u::Engine::get_clock();
- XBT_INFO("Run a task of %.0E flops", flopAmount);
- simgrid::s4u::this_actor::execute(flopAmount);
- XBT_INFO("Task done (duration: %.2f s). Current peak speed=%.0E flop/s; Energy dissipated=%.0f J",
- simgrid::s4u::Engine::get_clock() - start, host1->get_speed(), sg_host_get_consumed_energy(host1));
-
- start = simgrid::s4u::Engine::get_clock();
- XBT_INFO("Sleep for 4 seconds");
- simgrid::s4u::this_actor::sleep_for(4);
- XBT_INFO("Done sleeping (duration: %.2f s). Current peak speed=%.0E flop/s; Energy dissipated=%.0f J",
- simgrid::s4u::Engine::get_clock() - start, host1->get_speed(), sg_host_get_consumed_energy(host1));
-
- // =========== Turn the other host off ==========
- XBT_INFO("Turning MyHost2 off, and sleeping another 10 seconds. MyHost2 dissipated %.0f J so far.",
- sg_host_get_consumed_energy(host2));
- host2->turn_off();
- start = simgrid::s4u::Engine::get_clock();
- simgrid::s4u::this_actor::sleep_for(10);
- XBT_INFO("Done sleeping (duration: %.2f s). Current peak speed=%.0E flop/s; Energy dissipated=%.0f J",
- simgrid::s4u::Engine::get_clock() - start, host1->get_speed(), sg_host_get_consumed_energy(host1));
-}
-
-int main(int argc, char* argv[])
-{
- sg_host_energy_plugin_init();
- simgrid::s4u::Engine e(&argc, argv);
-
- xbt_assert(argc == 2, "Usage: %s platform_file\n\tExample: %s ../platforms/energy_platform.xml\n", argv[0], argv[0]);
-
- e.load_platform(argv[1]);
- simgrid::s4u::Actor::create("dvfs_test", simgrid::s4u::Host::by_name("MyHost1"), dvfs);
-
- e.run();
-
- XBT_INFO("End of simulation.");
-
- return 0;
-}