1 /* Copyright (c) 2007-2015. 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. */
7 #include "simgrid/msg.h"
8 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
10 static int computation_fun(int argc, char *argv[])
12 const char *pr_name = MSG_process_get_name(MSG_process_self());
13 const char *host_name = MSG_host_get_name(MSG_host_self());
15 msg_task_t task = MSG_task_create("Task", 1000000, 1000000, NULL);
17 double clock_sta = MSG_get_clock();
18 MSG_task_execute(task);
19 double clock_end = MSG_get_clock();
21 XBT_INFO("%s:%s task executed %g", host_name, pr_name, clock_end - clock_sta);
23 MSG_task_destroy(task);
28 static void launch_computation_worker(msg_host_t host)
30 const char *pr_name = "compute";
31 char **argv = xbt_new(char *, 2);
32 argv[0] = xbt_strdup(pr_name);
35 MSG_process_create_with_arguments(pr_name, computation_fun, NULL, host, 1, argv);
40 msg_process_t tx_proc;
44 static int communication_tx_fun(int argc, char *argv[])
46 xbt_assert(argc == 2);
47 const char *mbox = argv[1];
49 msg_task_t task = MSG_task_create("Task", 1000000, 1000000, NULL);
51 struct task_priv *priv = xbt_new(struct task_priv, 1);
52 priv->tx_proc = MSG_process_self();
53 priv->tx_host = MSG_host_self();
54 priv->clock_sta = MSG_get_clock();
56 MSG_task_set_data(task, priv);
58 MSG_task_send(task, mbox);
63 static int communication_rx_fun(int argc, char *argv[])
65 const char *pr_name = MSG_process_get_name(MSG_process_self());
66 const char *host_name = MSG_host_get_name(MSG_host_self());
67 xbt_assert(argc == 2);
68 const char *mbox = argv[1];
70 msg_task_t task = NULL;
71 MSG_task_recv(&task, mbox);
73 struct task_priv *priv = MSG_task_get_data(task);
74 double clock_end = MSG_get_clock();
76 XBT_INFO("%s:%s to %s:%s => %g sec", MSG_host_get_name(priv->tx_host), MSG_process_get_name(priv->tx_proc),
77 host_name, pr_name, clock_end - priv->clock_sta);
80 MSG_task_destroy(task);
85 static void launch_communication_worker(msg_host_t tx_host, msg_host_t rx_host)
87 char *mbox = bprintf("MBOX:%s-%s", MSG_host_get_name(tx_host), MSG_host_get_name(rx_host));
90 const char *pr_name_tx = "comm_tx";
91 argv = xbt_new(char *, 3);
92 argv[0] = xbt_strdup(pr_name_tx);
93 argv[1] = xbt_strdup(mbox);
96 MSG_process_create_with_arguments(pr_name_tx, communication_tx_fun, NULL, tx_host, 2, argv);
98 const char *pr_name_rx = "comm_rx";
99 argv = xbt_new(char *, 3);
100 argv[0] = xbt_strdup(pr_name_rx);
101 argv[1] = xbt_strdup(mbox);
104 MSG_process_create_with_arguments(pr_name_rx, communication_rx_fun, NULL, rx_host, 2, argv);
110 static int master_main(int argc, char *argv[])
112 msg_host_t pm0 = MSG_host_by_name("Fafard");
113 msg_host_t pm1 = MSG_host_by_name("Tremblay");
114 msg_host_t pm2 = MSG_host_by_name("Bourassa");
116 XBT_INFO("## Test 1 (started): check computation on normal PMs");
118 XBT_INFO("### Put a task on a PM");
119 launch_computation_worker(pm0);
120 MSG_process_sleep(2);
122 XBT_INFO("### Put two tasks on a PM");
123 launch_computation_worker(pm0);
124 launch_computation_worker(pm0);
125 MSG_process_sleep(2);
127 XBT_INFO("### Put a task on each PM");
128 launch_computation_worker(pm0);
129 launch_computation_worker(pm1);
130 MSG_process_sleep(2);
132 XBT_INFO("## Test 1 (ended)");
134 XBT_INFO("## Test 2 (started): check impact of running a task inside a VM (there is no degradation for the moment)");
136 XBT_INFO("### Put a VM on a PM, and put a task to the VM");
137 msg_vm_t vm0 = MSG_vm_create_core(pm0, "VM0");
139 launch_computation_worker(vm0);
140 MSG_process_sleep(2);
143 XBT_INFO("## Test 2 (ended)");
145 XBT_INFO("## Test 3 (started): check impact of running a task collocated with a VM (there is no VM noise for the moment)");
147 XBT_INFO("### Put a VM on a PM, and put a task to the PM");
148 vm0 = MSG_vm_create_core(pm0, "VM0");
150 launch_computation_worker(pm0);
151 MSG_process_sleep(2);
154 XBT_INFO("## Test 3 (ended)");
156 XBT_INFO("## Test 4 (started): compare the cost of running two tasks inside two different VMs collocated or not (for"
157 " the moment, there is no degradation for the VMs. Hence, the time should be equals to the time of test 1");
159 XBT_INFO("### Put two VMs on a PM, and put a task to each VM");
160 vm0 = MSG_vm_create_core(pm0, "VM0");
161 msg_vm_t vm1 = MSG_vm_create_core(pm0, "VM1");
164 launch_computation_worker(vm0);
165 launch_computation_worker(vm1);
166 MSG_process_sleep(2);
170 XBT_INFO("### Put a VM on each PM, and put a task to each VM");
171 vm0 = MSG_vm_create_core(pm0, "VM0");
172 vm1 = MSG_vm_create_core(pm1, "VM1");
175 launch_computation_worker(vm0);
176 launch_computation_worker(vm1);
177 MSG_process_sleep(2);
180 XBT_INFO("## Test 4 (ended)");
182 XBT_INFO("## Test 5 (started): Analyse network impact");
183 XBT_INFO("### Make a connection between PM0 and PM1");
184 launch_communication_worker(pm0, pm1);
185 MSG_process_sleep(5);
187 XBT_INFO("### Make two connection between PM0 and PM1");
188 launch_communication_worker(pm0, pm1);
189 launch_communication_worker(pm0, pm1);
190 MSG_process_sleep(5);
192 XBT_INFO("### Make a connection between PM0 and VM0@PM0");
193 vm0 = MSG_vm_create_core(pm0, "VM0");
195 launch_communication_worker(pm0, vm0);
196 MSG_process_sleep(5);
199 XBT_INFO("### Make a connection between PM0 and VM0@PM1");
200 vm0 = MSG_vm_create_core(pm1, "VM0");
202 launch_communication_worker(pm0, vm0);
203 MSG_process_sleep(5);
206 XBT_INFO("### Make two connections between PM0 and VM0@PM1");
207 vm0 = MSG_vm_create_core(pm1, "VM0");
209 launch_communication_worker(pm0, vm0);
210 launch_communication_worker(pm0, vm0);
211 MSG_process_sleep(5);
214 XBT_INFO("### Make a connection between PM0 and VM0@PM1, and also make a connection between PM0 and PM1");
215 vm0 = MSG_vm_create_core(pm1, "VM0");
217 launch_communication_worker(pm0, vm0);
218 launch_communication_worker(pm0, pm1);
219 MSG_process_sleep(5);
222 XBT_INFO("### Make a connection between VM0@PM0 and PM1@PM1, and also make a connection between VM0@PM0 and VM1@PM1");
223 vm0 = MSG_vm_create_core(pm0, "VM0");
224 vm1 = MSG_vm_create_core(pm1, "VM1");
227 launch_communication_worker(vm0, vm1);
228 launch_communication_worker(vm0, vm1);
229 MSG_process_sleep(5);
233 XBT_INFO("## Test 5 (ended)");
235 XBT_INFO("## Test 6 (started): Check migration impact (not yet implemented neither on the CPU resource nor on the"
237 XBT_INFO("### Relocate VM0 between PM0 and PM1");
238 vm0 = MSG_vm_create_core(pm0, "VM0");
239 s_vm_params_t params;
240 memset(¶ms, 0, sizeof(params));
241 params.ramsize = 1L * 1024 * 1024 * 1024; // 1Gbytes
242 MSG_vm_set_params(vm0, ¶ms);
245 launch_communication_worker(vm0, pm2);
246 MSG_process_sleep(0.01);
247 MSG_vm_migrate(vm0, pm1);
248 MSG_process_sleep(0.01);
249 MSG_vm_migrate(vm0, pm0);
250 MSG_process_sleep(5);
252 XBT_INFO("## Test 6 (ended)");
257 static void launch_master(msg_host_t host)
259 const char *pr_name = "master_";
260 char **argv = xbt_new(char *, 2);
261 argv[0] = xbt_strdup(pr_name);
264 MSG_process_create_with_arguments(pr_name, master_main, NULL, host, 1, argv);
267 int main(int argc, char *argv[])
269 /* Get the arguments */
270 MSG_init(&argc, argv);
272 /* load the platform file */
273 const char* platform = "../../platforms/small_platform.xml";
276 MSG_create_environment(platform);
278 msg_host_t pm0 = MSG_host_by_name("Fafard");
281 int res = MSG_main();
282 XBT_INFO("Bye (simulation time %g)", MSG_get_clock());
284 return !(res == MSG_OK);