1 /* Copyright (c) 2007-2014. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "simgrid/msg.h"
11 #include "xbt/asserts.h"
13 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
14 "Messages specific for this msg example");
16 /** @addtogroup MSG_examples
18 * - <b>gtnets</b> Simple ping-pong using GTNeTs instead of the SimGrid network models.
21 int master(int argc, char *argv[]);
22 int slave(int argc, char *argv[]);
23 int timer(int argc, char *argv[]);
24 msg_error_t test_all(const char *platform_file,
25 const char *application_file);
29 //keep a pointer to all surf running tasks.
32 double start_time, end_time, elapsed_time;
33 double gl_data_size[NTASKS];
34 msg_task_t gl_task_array[NTASKS];
35 const char *slavenames[NTASKS];
36 const char *masternames[NTASKS];
37 int gl_task_array_id = 0;
38 int count_finished = 0;
40 #define FINALIZE ((void*)221297) /* a magic number to tell people to stop working */
43 int master(int argc, char *argv[])
45 char *slavename = NULL;
46 double task_comm_size = 0;
49 //unique id to control statistics
53 XBT_INFO("Strange number of arguments expected 3 got %d", argc - 1);
58 read = sscanf(argv[1], "%lg", &task_comm_size);
59 xbt_assert(read, "Invalid argument %s\n", argv[1]);
64 sprintf(id_alias, "flow_%d", id);
65 slavenames[id] = slavename;
66 TRACE_category(id_alias);
68 masternames[id] = MSG_host_get_name(MSG_host_self());
70 { /* Task creation. */
71 char sprintf_buffer[64] = "Task_0";
72 todo = MSG_task_create(sprintf_buffer, 0, task_comm_size, NULL);
73 MSG_task_set_category(todo, id_alias);
74 //keep track of running tasks
75 gl_task_array[id] = todo;
76 gl_data_size[id] = task_comm_size;
81 /* time measurement */
82 sprintf(id_alias, "%d", id);
83 start_time = MSG_get_clock();
84 MSG_task_send(todo, id_alias);
85 end_time = MSG_get_clock();
93 int timer(int argc, char *argv[])
99 XBT_INFO("Strange number of arguments expected 2 got %d", argc - 1);
102 sscanf(argv[1], "%d", &first_sleep);
103 sscanf(argv[2], "%d", &sleep_time);
106 MSG_process_sleep(first_sleep);
110 MSG_process_sleep(sleep_time);
116 /** Receiver function */
117 int slave(int argc, char *argv[])
120 msg_task_t task = NULL;
123 #ifdef HAVE_LATENCY_BOUND_TRACKING
124 int limited_latency = 0;
126 double remaining = 0;
130 XBT_INFO("Strange number of arguments expected 1 got %d", argc - 1);
134 sprintf(id_alias, "%d", id);
137 a = MSG_task_receive(&(task), id_alias);
140 if(count_finished == 0){
147 XBT_INFO("Hey?! What's up?");
148 xbt_die("Unexpected behavior.");
151 elapsed_time = MSG_get_clock() - start_time;
157 for (id = 0; id < NTASKS; id++) {
158 if (gl_task_array[id] == NULL) continue;
159 if (gl_task_array[id] == task) {
160 #ifdef HAVE_LATENCY_BOUND_TRACKING
161 limited_latency = MSG_task_is_latency_bounded(gl_task_array[id]);
162 if (limited_latency) {
163 XBT_INFO("WARNING FLOW[%d] is limited by latency!!", id);
167 ("===> Estimated Bw of FLOW[%d] : %f ; message from %s to %s with remaining : %f",
168 id, gl_data_size[id] / elapsed_time, masternames[id],
169 slavenames[id], 0.0);
170 MSG_task_destroy(gl_task_array[id]);
171 gl_task_array[id]=NULL;
174 MSG_task_get_remaining_communication(gl_task_array[id]);
175 #ifdef HAVE_LATENCY_BOUND_TRACKING
176 limited_latency = MSG_task_is_latency_bounded(gl_task_array[id]);
178 if (limited_latency) {
179 XBT_INFO("WARNING FLOW[%d] is limited by latency!!", id);
183 ("===> Estimated Bw of FLOW[%d] : %f ; message from %s to %s with remaining : %f",
184 id, (gl_data_size[id] - remaining) / elapsed_time,
185 masternames[id], slavenames[id], remaining);
187 MSG_task_destroy(gl_task_array[id]);
188 gl_task_array[id]=NULL;
195 snprintf(mark, 100, "flow_%d_finished", trace_id);
196 TRACE_mark("endmark", mark);
198 if(bool_printed==2 && gl_task_array[trace_id]) MSG_task_destroy(gl_task_array[trace_id]);
204 msg_error_t test_all(const char *platform_file,
205 const char *application_file)
207 msg_error_t res = MSG_OK;
209 { /* Simulation setting */
210 MSG_create_environment(platform_file);
213 TRACE_declare_mark("endmark");
215 { /* Application deployment */
216 MSG_function_register("master", master);
217 MSG_function_register("slave", slave);
218 MSG_function_register("timer", timer);
220 MSG_launch_application(application_file);
224 } /* end_of_test_all */
227 int main(int argc, char *argv[])
229 msg_error_t res = MSG_OK;
232 MSG_init(&argc, argv);
234 printf("Usage: %s platform_file deployment_file\n", argv[0]);
238 res = test_all(argv[1], argv[2]);