/* 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/kernel/ProfileBuilder.hpp"
#include "simgrid/s4u.hpp"
-/* This example demonstrates how to attach a profile to a host or a link,
- * to specify external changes to the resource speed. The first way to do
- * so is to use a file in the XML, while the second is to use the programmatic interface.
- */
+/* This example demonstrates how to attach a profile to a host or a link, to specify external changes to the resource
+ * speed. The first way to do so is to use a file in the XML, while the second is to use the programmatic interface. */
XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_platform_profile, "Messages specific for this s4u example");
+namespace sg4 = simgrid::s4u;
-/* Main function of the Yielder actor */
static void watcher()
{
- const simgrid::s4u::Host* jupiter = simgrid::s4u::Host::by_name("Jupiter");
- const simgrid::s4u::Host* fafard = simgrid::s4u::Host::by_name("Fafard");
- const simgrid::s4u::Link* link1 = simgrid::s4u::Link::by_name("1");
- const simgrid::s4u::Link* link2 = simgrid::s4u::Link::by_name("2");
+ const auto* jupiter = sg4::Host::by_name("Jupiter");
+ const auto* fafard = sg4::Host::by_name("Fafard");
+ const auto* lilibeth = sg4::Host::by_name("Lilibeth");
+ const auto* link1 = sg4::Link::by_name("1");
+ const auto* link2 = sg4::Link::by_name("2");
+
+ std::vector<sg4::Link*> links;
+ double lat = 0;
+ jupiter->route_to(fafard, links, &lat);
+
+ std::string path;
+ for (const auto* l : links)
+ path += (path.empty() ? "" : ", ") + std::string("link '") + l->get_name() + std::string("'");
+ XBT_INFO("Path from Jupiter to Fafard: %s (latency: %fs).", path.c_str(), lat);
for (int i = 0; i < 10; i++) {
- XBT_INFO("Fafard: %.0fGflops, Jupiter: % 3.0fGflops, Link1: (%.2fMB/s %.0fms), Link2: (%.2fMB/s %.0fms)",
+ XBT_INFO("Fafard: %.0fMflops, Jupiter: %4.0fMflops, Lilibeth: %3.1fMflops, Link1: (%.2fMB/s %.0fms), Link2: "
+ "(%.2fMB/s %.0fms)",
fafard->get_speed() * fafard->get_available_speed() / 1000000,
- jupiter->get_speed() * jupiter->get_available_speed() / 1000000, link1->get_bandwidth() / 1000,
+ jupiter->get_speed() * jupiter->get_available_speed() / 1000000,
+ lilibeth->get_speed() * lilibeth->get_available_speed() / 1000000, link1->get_bandwidth() / 1000,
link1->get_latency() * 1000, link2->get_bandwidth() / 1000, link2->get_latency() * 1000);
- simgrid::s4u::this_actor::sleep_for(1);
+ sg4::this_actor::sleep_for(1);
}
}
int main(int argc, char* argv[])
{
- simgrid::s4u::Engine e(&argc, argv);
+ sg4::Engine e(&argc, argv);
- xbt_assert(argc > 1, "Usage: %s platform_file\n\tExample: %s platform.xml deployment.xml\n", argv[0], argv[0]);
+ xbt_assert(argc > 1, "Usage: %s platform_file\n\tExample: %s platform.xml\n", argv[0], argv[0]);
e.load_platform(argv[1]);
- simgrid::s4u::Actor::create("watcher", e.host_by_name("Tremblay"), watcher);
+ // Add a new host programmatically, and attach a simple speed profile to it (alternate between full and half speed
+ // every two seconds
+ e.get_netzone_root()
+ ->create_host("Lilibeth", 25e6)
+ ->set_speed_profile(simgrid::kernel::profile::ProfileBuilder::from_string("lilibeth_profile", R"(
+0 1.0
+2 0.5
+)",
+ 4))
+ ->seal();
+
+ // Add a watcher of the changes
+ sg4::Actor::create("watcher", e.host_by_name("Fafard"), watcher);
- e.run(); /* - Run the simulation */
+ e.run();
return 0;
}
