1 /* Copyright (c) 2010-2017. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "simgrid/s4u.hpp"
8 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "Messages specific for this s4u example");
10 static int executor(std::vector<std::string> /*args*/)
12 /* this_actor::execute() tells SimGrid to pause the calling actor
13 * until its host has computed the amount of flops passed as a parameter */
14 simgrid::s4u::this_actor::execute(98095);
17 /* This simple example does not do anything beyond that */
21 static int privileged(std::vector<std::string> /*args*/)
23 /* This version of this_actor::execute() specifies that this execution
24 * gets a larger share of the resource.
26 * Since the priority is 2, it computes twice as fast as a regular one.
28 * So instead of a half/half sharing between the two executions,
29 * we get a 1/3 vs 2/3 sharing. */
30 simgrid::s4u::this_actor::execute(98095, 2);
33 /* Note that the timings printed when executing this example are a bit misleading,
34 * because the uneven sharing only last until the privileged actor ends.
35 * After this point, the unprivileged one gets 100% of the CPU and finishes
40 int main(int argc, char* argv[])
42 simgrid::s4u::Engine e(&argc, argv);
43 std::vector<std::string> args;
44 xbt_assert(argc > 1, "Usage: %s platform_file\n\tExample: %s msg_platform.xml\n", argv[0], argv[0]);
46 e.loadPlatform(argv[1]);
48 simgrid::s4u::Actor::createActor("executor", simgrid::s4u::Host::by_name("Tremblay"), executor, args);
49 simgrid::s4u::Actor::createActor("privileged", simgrid::s4u::Host::by_name("Tremblay"), privileged, args);