1 /* Copyright (c) 2010-2023. 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 /* This source code simply loads the platform. This is only useful to play
7 * with the tracing module. See the tesh file to see how to generate the
11 #include "simgrid/instr.h"
12 #include "simgrid/s4u.hpp"
14 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "Messages specific for this s4u example");
15 namespace sg4 = simgrid::s4u;
17 static void trace_fun()
19 // Set initial values for the link user variables
20 // This example uses source and destination where source and destination are the name of hosts in the platform file.
21 // The functions will set/change the value of the variable for all links in the route between source and destination.
23 // Set the Link_Capacity variable
24 simgrid::instr::set_link_variable("Tremblay", "Bourassa", "Link_Capacity", 12.34);
25 simgrid::instr::set_link_variable("Fafard", "Ginette", "Link_Capacity", 56.78);
27 // Set the Link_Utilization variable
28 simgrid::instr::set_link_variable("Tremblay", "Bourassa", "Link_Utilization", 1.2);
29 simgrid::instr::set_link_variable("Fafard", "Ginette", "Link_Utilization", 3.4);
31 // run the simulation, update my variables accordingly
32 for (int i = 0; i < 10; i++) {
33 sg4::this_actor::execute(1e6);
35 // Add to link user variables
36 simgrid::instr::add_link_variable("Tremblay", "Bourassa", "Link_Utilization", 5.6);
37 simgrid::instr::add_link_variable("Fafard", "Ginette", "Link_Utilization", 7.8);
40 for (int i = 0; i < 10; i++) {
41 sg4::this_actor::execute(1e6);
43 // Subtract from link user variables
44 simgrid::instr::sub_link_variable("Tremblay", "Bourassa", "Link_Utilization", 3.4);
45 simgrid::instr::sub_link_variable("Fafard", "Ginette", "Link_Utilization", 5.6);
49 int main(int argc, char* argv[])
51 sg4::Engine e(&argc, argv);
52 xbt_assert(argc > 1, "Usage: %s platform_file\n \tExample: %s small_platform.xml\n", argv[0], argv[0]);
54 e.load_platform(argv[1]);
56 // declaring link user variables (one without, another with an RGB color)
57 simgrid::instr::declare_link_variable("Link_Capacity");
58 simgrid::instr::declare_link_variable("Link_Utilization", "0.9 0.1 0.1");
60 sg4::Actor::create("master", e.host_by_name("Tremblay"), trace_fun);
61 sg4::Actor::create("worker", e.host_by_name("Tremblay"), trace_fun);
62 sg4::Actor::create("worker", e.host_by_name("Jupiter"), trace_fun);
63 sg4::Actor::create("worker", e.host_by_name("Fafard"), trace_fun);
64 sg4::Actor::create("worker", e.host_by_name("Ginette"), trace_fun);
65 sg4::Actor::create("worker", e.host_by_name("Bourassa"), trace_fun);