1 /* Copyright (c) 2012-2018. 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/msg.h>
8 //dump function to create and execute a task
9 static void create_and_execute_task (void)
11 msg_task_t task = MSG_task_create("task", 1000000, 0, NULL);
12 MSG_task_execute (task);
13 MSG_task_destroy (task);
16 static int trace_fun(int argc, char *argv[])
18 //set initial values for the link user variables this example only shows for links identified by "6" and "3" in the
21 //Set the Link_Capacity variable
22 TRACE_link_variable_set("6", "Link_Capacity", 12.34);
23 TRACE_link_variable_set("3", "Link_Capacity", 56.78);
25 //Set the Link_Utilization variable
26 TRACE_link_variable_set("3", "Link_Utilization", 1.2);
27 TRACE_link_variable_set("6", "Link_Utilization", 3.4);
29 //run the simulation, update my variables accordingly
30 for (int i = 0; i < 10; i++) {
31 create_and_execute_task ();
33 //Add to link user variables
34 TRACE_link_variable_add ("3", "Link_Utilization", 5.6);
35 TRACE_link_variable_add ("6", "Link_Utilization", 7.8);
38 for (int i = 0; i < 10; i++) {
39 create_and_execute_task ();
41 //Subtract from link user variables
42 TRACE_link_variable_sub ("3", "Link_Utilization", 3.4);
43 TRACE_link_variable_sub ("6", "Link_Utilization", 5.6);
49 int main(int argc, char *argv[])
51 MSG_init(&argc, argv);
52 xbt_assert(argc > 2, "Usage: %s platform_file deployment_file\n"
53 "\tExample: %s msg_platform.xml msg_deployment.xml\n", argv[0], argv[0]);
55 MSG_create_environment(argv[1]);
57 //declaring link user variables (one without, another with a RGB color)
58 TRACE_link_variable_declare("Link_Capacity");
59 TRACE_link_variable_declare_with_color ("Link_Utilization", "0.9 0.1 0.1");
61 //register functions and launch deployment
62 MSG_function_register("master", trace_fun);
63 MSG_function_register("worker", trace_fun);
64 MSG_launch_application(argv[2]);