+++ /dev/null
-/* Copyright (c) 2010-2020. The SimGrid Team. All rights reserved. */
-
-/* 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/instr.h>
-#include <simgrid/s4u.hpp>
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_trace_masterworker, "Messages specific for this example");
-
-struct Task {
- std::string name;
- std::string category;
- double flops;
-};
-
-static void master(std::vector<std::string> args)
-{
- xbt_assert(args.size() > 4, "The master function expects at least 3 arguments");
-
- long tasks_count = std::stol(args[1]);
- double compute_cost = std::stod(args[2]);
- long communication_cost = std::stol(args[3]);
- size_t workers_count = args.size() - 4;
- const char* my_hostname = simgrid::s4u::this_actor::get_host()->get_cname();
- auto mailbox = simgrid::s4u::Mailbox::by_name("master_mailbox");
-
- XBT_DEBUG("Got %zu workers and %ld tasks to process", workers_count, tasks_count);
-
- // setting the variable "is_master" (previously declared) to value 1
- TRACE_host_variable_set(my_hostname, "is_master", 1);
-
- TRACE_mark("msmark", "start_send_tasks");
- for (int i = 0; i < tasks_count; i++) {
- // setting the variable "task_creation" to value i
- TRACE_host_variable_set(my_hostname, "task_creation", i);
-
- // setting the category of task to "compute"
- Task task = {"task", "compute", compute_cost};
- mailbox->put(new Task(task), communication_cost);
- }
- TRACE_mark("msmark", "finish_send_tasks");
-
- XBT_DEBUG("All tasks have been dispatched. Request all workers to stop.");
- for (unsigned int i = 0; i < workers_count; i++) {
- Task finalize = {"finalize", "finalize", 0};
- mailbox->put(new Task(finalize), 0);
- }
-}
-
-static void worker(std::vector<std::string> args)
-{
- xbt_assert(args.size() == 1, "The worker expects no argument");
-
- const char* my_hostname = simgrid::s4u::this_actor::get_host()->get_cname();
- auto mailbox = simgrid::s4u::Mailbox::by_name("master_mailbox");
-
- TRACE_host_variable_set(my_hostname, "is_worker", 1);
- TRACE_host_variable_set(my_hostname, "task_computation", 0);
-
- while (true) {
- const auto* task = static_cast<Task*>(mailbox->get());
- if (task->name == "finalize") {
- delete task;
- break;
- }
- // adding the task's cost to the variable "task_computation"
- TRACE_host_variable_add(my_hostname, "task_computation", task->flops);
- simgrid::s4u::this_actor::exec_init(task->flops)
- ->set_name(task->name)
- ->set_tracing_category(task->category)
- ->wait();
- delete task;
- }
-
- XBT_DEBUG("Exiting now.");
-}
-
-int main(int argc, char* argv[])
-{
- simgrid::s4u::Engine e(&argc, argv);
- xbt_assert(argc > 2, "Usage: %s platform_file deployment_file\n", argv[0]);
-
- e.load_platform(argv[1]);
-
- // declaring user variables
- TRACE_host_variable_declare("is_worker");
- TRACE_host_variable_declare("is_master");
- TRACE_host_variable_declare("task_creation");
- TRACE_host_variable_declare("task_computation");
-
- // declaring user markers and values
- TRACE_declare_mark("msmark");
- TRACE_declare_mark_value("msmark", "start_send_tasks");
- TRACE_declare_mark_value("msmark", "finish_send_tasks");
-
- // declaring user categories with RGB colors (values from 0 to 1)
- TRACE_category_with_color("compute", "1 0 0"); // compute is red
- TRACE_category_with_color("finalize", "0 1 0"); // finalize is green
- // categories without user-defined colors receive random colors generated by the tracing system
- TRACE_category("request");
- TRACE_category_with_color("report", NULL);
-
- e.register_function("master", &master);
- e.register_function("worker", &worker);
- e.load_deployment(argv[2]);
-
- e.run();
-
- XBT_DEBUG("Simulation is over");
-
- unsigned int cursor;
- xbt_dynar_t categories = TRACE_get_categories();
- if (categories) {
- XBT_INFO("Declared tracing categories:");
- char* category;
- xbt_dynar_foreach (categories, cursor, category) {
- XBT_INFO("%s", category);
- }
- xbt_dynar_free(&categories);
- }
-
- xbt_dynar_t marks = TRACE_get_marks();
- if (marks) {
- XBT_INFO("Declared marks:");
- char* mark;
- xbt_dynar_foreach (marks, cursor, mark) {
- XBT_INFO("%s", mark);
- }
- xbt_dynar_free(&marks);
- }
-
- return 0;
-}
