1 /* Copyright (c) 2012-2020. 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(XBT_ATTRIB_UNUSED int argc, XBT_ATTRIB_UNUSED char* argv[])
18 //Set initial values for the link user variables
19 //This example uses source and destination where source and destination are the name of hosts in the platform file.
20 //The functions will set/change the value of the variable for all links in the route between source and destination.
22 //Set the Link_Capacity variable
23 TRACE_link_srcdst_variable_set("Tremblay", "Bourassa", "Link_Capacity", 12.34);
24 TRACE_link_srcdst_variable_set("Fafard", "Ginette", "Link_Capacity", 56.78);
26 //Set the Link_Utilization variable
27 TRACE_link_srcdst_variable_set("Tremblay", "Bourassa", "Link_Utilization", 1.2);
28 TRACE_link_srcdst_variable_set("Fafard", "Ginette", "Link_Utilization", 3.4);
30 //run the simulation, update my variables accordingly
31 for (int i = 0; i < 10; i++) {
32 create_and_execute_task ();
34 //Add to link user variables
35 TRACE_link_srcdst_variable_add ("Tremblay", "Bourassa", "Link_Utilization", 5.6);
36 TRACE_link_srcdst_variable_add ("Fafard", "Ginette", "Link_Utilization", 7.8);
39 for (int i = 0; i < 10; i++) {
40 create_and_execute_task ();
42 //Subtract from link user variables
43 TRACE_link_srcdst_variable_sub ("Tremblay", "Bourassa", "Link_Utilization", 3.4);
44 TRACE_link_srcdst_variable_sub ("Fafard", "Ginette", "Link_Utilization", 5.6);
50 int main(int argc, char *argv[])
52 MSG_init(&argc, argv);
53 xbt_assert(argc > 1, "Usage: %s platform_file\n \tExample: %s msg_platform.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 MSG_process_create("master", trace_fun, NULL, MSG_host_by_name("Tremblay"));
62 MSG_process_create("worker", trace_fun, NULL, MSG_host_by_name("Tremblay"));
63 MSG_process_create("worker", trace_fun, NULL, MSG_host_by_name("Jupiter"));
64 MSG_process_create("worker", trace_fun, NULL, MSG_host_by_name("Fafard"));
65 MSG_process_create("worker", trace_fun, NULL, MSG_host_by_name("Ginette"));
66 MSG_process_create("worker", trace_fun, NULL, MSG_host_by_name("Bourassa"));