/* 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 <stdio.h>
-#include "simgrid/msg.h" /* Yeah! If you want to use msg, you need to include simgrid/msg.h */
-#include "xbt/sysdep.h" /* calloc, printf */
+#include "simgrid/msg.h"
-/* Create a log channel to have nice outputs. */
-#include "xbt/log.h"
-#include "xbt/asserts.h"
-XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
- "Messages specific for this msg example");
+XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
/** @addtogroup MSG_examples
*
- * - <b>priority/priority.c</b>: Demonstrates the use of @ref
- * MSG_task_set_bound to change the computation priority of a
- * given task.
- *
+ * - <b>cloud/bound.c</b>: Demonstrates the use of @ref MSG_task_set_bound
*/
static int worker_main(int argc, char *argv[])
int use_bound = xbt_str_parse_int(argv[2], "Second parameter (use_bound) should be 0 or 1 but is: %s");
double bound = xbt_str_parse_double(argv[3], "Invalid bound: %s");
- {
- double clock_sta = MSG_get_clock();
-
- msg_task_t task = MSG_task_create("Task", computation_amount, 0, NULL);
- if (use_bound)
- MSG_task_set_bound(task, bound);
- MSG_task_execute(task);
- MSG_task_destroy(task);
-
- double clock_end = MSG_get_clock();
- double duration = clock_end - clock_sta;
- double flops_per_sec = computation_amount / duration;
-
- if (use_bound)
- XBT_INFO("bound to %f => duration %f (%f flops/s)", bound, duration, flops_per_sec);
- else
- XBT_INFO("not bound => duration %f (%f flops/s)", duration, flops_per_sec);
- }
+ double clock_sta = MSG_get_clock();
+
+ msg_task_t task = MSG_task_create("Task", computation_amount, 0, NULL);
+ if (use_bound)
+ MSG_task_set_bound(task, bound);
+ MSG_task_execute(task);
+ MSG_task_destroy(task);
+
+ double clock_end = MSG_get_clock();
+ double duration = clock_end - clock_sta;
+ double flops_per_sec = computation_amount / duration;
+
+ if (use_bound)
+ XBT_INFO("bound to %f => duration %f (%f flops/s)", bound, duration, flops_per_sec);
+ else
+ XBT_INFO("not bound => duration %f (%f flops/s)", duration, flops_per_sec);
return 0;
}
MSG_process_create_with_arguments(pr_name, worker_main, NULL, host, 4, argv);
}
-
-
static int worker_busy_loop_main(int argc, char *argv[])
{
msg_task_t *task = MSG_process_get_data(MSG_process_self());
- for (;;)
- MSG_task_execute(*task);
+ MSG_task_execute(*task);
return 0;
}
msg_task_t task0 = MSG_task_create("Task0", DOUBLE_MAX, 0, NULL);
msg_task_t task1 = MSG_task_create("Task1", DOUBLE_MAX, 0, NULL);
- msg_process_t pr0 = MSG_process_create("worker0", worker_busy_loop_main, &task0, vm0);
- msg_process_t pr1 = MSG_process_create("worker1", worker_busy_loop_main, &task1, vm1);
-
+ MSG_process_create("worker0", worker_busy_loop_main, &task0, vm0);
+ MSG_process_create("worker1", worker_busy_loop_main, &task1, vm1);
double task0_remain_prev = MSG_task_get_flops_amount(task0);
double task1_remain_prev = MSG_task_get_flops_amount(task1);
task1_remain_prev = task1_remain_now;
}
}
+ MSG_process_sleep(2000); // let the tasks end
- MSG_process_kill(pr0);
- MSG_process_kill(pr1);
-
MSG_vm_destroy(vm0);
MSG_vm_destroy(vm1);
}
-
-
static void test_one_task(msg_host_t hostA)
{
const double cpu_speed = MSG_host_get_speed(hostA);
XBT_INFO("### Test: with/without MSG_task_set_bound");
- {
- XBT_INFO("### Test: no bound for Task1@%s", hostA_name);
- launch_worker(hostA, "worker0", computation_amount, 0, 0);
- }
+ XBT_INFO("### Test: no bound for Task1@%s", hostA_name);
+ launch_worker(hostA, "worker0", computation_amount, 0, 0);
MSG_process_sleep(1000);
- {
- XBT_INFO("### Test: 50%% for Task1@%s", hostA_name);
- launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed / 2);
- }
+ XBT_INFO("### Test: 50%% for Task1@%s", hostA_name);
+ launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed / 2);
MSG_process_sleep(1000);
- {
- XBT_INFO("### Test: 33%% for Task1@%s", hostA_name);
- launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed / 3);
- }
+ XBT_INFO("### Test: 33%% for Task1@%s", hostA_name);
+ launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed / 3);
MSG_process_sleep(1000);
- {
- XBT_INFO("### Test: zero for Task1@%s (i.e., unlimited)", hostA_name);
- launch_worker(hostA, "worker0", computation_amount, 1, 0);
- }
+ XBT_INFO("### Test: zero for Task1@%s (i.e., unlimited)", hostA_name);
+ launch_worker(hostA, "worker0", computation_amount, 1, 0);
MSG_process_sleep(1000);
- {
- XBT_INFO("### Test: 200%% for Task1@%s (i.e., meaningless)", hostA_name);
- launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed * 2);
- }
+ XBT_INFO("### Test: 200%% for Task1@%s (i.e., meaningless)", hostA_name);
+ launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed * 2);
MSG_process_sleep(1000);
}
-
static void test_two_tasks(msg_host_t hostA, msg_host_t hostB)
{
const double cpu_speed = MSG_host_get_speed(hostA);
const char *hostA_name = MSG_host_get_name(hostA);
const char *hostB_name = MSG_host_get_name(hostB);
- {
- XBT_INFO("### Test: no bound for Task1@%s, no bound for Task2@%s", hostA_name, hostB_name);
- launch_worker(hostA, "worker0", computation_amount, 0, 0);
- launch_worker(hostB, "worker1", computation_amount, 0, 0);
- }
+ XBT_INFO("### Test: no bound for Task1@%s, no bound for Task2@%s", hostA_name, hostB_name);
+ launch_worker(hostA, "worker0", computation_amount, 0, 0);
+ launch_worker(hostB, "worker1", computation_amount, 0, 0);
MSG_process_sleep(1000);
- {
- XBT_INFO("### Test: 0 for Task1@%s, 0 for Task2@%s (i.e., unlimited)", hostA_name, hostB_name);
- launch_worker(hostA, "worker0", computation_amount, 1, 0);
- launch_worker(hostB, "worker1", computation_amount, 1, 0);
- }
+ XBT_INFO("### Test: 0 for Task1@%s, 0 for Task2@%s (i.e., unlimited)", hostA_name, hostB_name);
+ launch_worker(hostA, "worker0", computation_amount, 1, 0);
+ launch_worker(hostB, "worker1", computation_amount, 1, 0);
MSG_process_sleep(1000);
- {
- XBT_INFO("### Test: 50%% for Task1@%s, 50%% for Task2@%s", hostA_name, hostB_name);
- launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed / 2);
- launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed / 2);
- }
+ XBT_INFO("### Test: 50%% for Task1@%s, 50%% for Task2@%s", hostA_name, hostB_name);
+ launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed / 2);
+ launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed / 2);
MSG_process_sleep(1000);
- {
- XBT_INFO("### Test: 25%% for Task1@%s, 25%% for Task2@%s", hostA_name, hostB_name);
- launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed / 4);
- launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed / 4);
- }
+ XBT_INFO("### Test: 25%% for Task1@%s, 25%% for Task2@%s", hostA_name, hostB_name);
+ launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed / 4);
+ launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed / 4);
MSG_process_sleep(1000);
- {
- XBT_INFO("### Test: 75%% for Task1@%s, 100%% for Task2@%s", hostA_name, hostB_name);
- launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed * 0.75);
- launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed);
- }
+ XBT_INFO("### Test: 75%% for Task1@%s, 100%% for Task2@%s", hostA_name, hostB_name);
+ launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed * 0.75);
+ launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed);
MSG_process_sleep(1000);
- {
- XBT_INFO("### Test: no bound for Task1@%s, 25%% for Task2@%s", hostA_name, hostB_name);
- launch_worker(hostA, "worker0", computation_amount, 0, 0);
- launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed / 4);
- }
+ XBT_INFO("### Test: no bound for Task1@%s, 25%% for Task2@%s", hostA_name, hostB_name);
+ launch_worker(hostA, "worker0", computation_amount, 0, 0);
+ launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed / 4);
MSG_process_sleep(1000);
- {
- XBT_INFO("### Test: 75%% for Task1@%s, 25%% for Task2@%s", hostA_name, hostB_name);
- launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed * 0.75);
- launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed / 4);
- }
+ XBT_INFO("### Test: 75%% for Task1@%s, 25%% for Task2@%s", hostA_name, hostB_name);
+ launch_worker(hostA, "worker0", computation_amount, 1, cpu_speed * 0.75);
+ launch_worker(hostB, "worker1", computation_amount, 1, cpu_speed / 4);
MSG_process_sleep(1000);
}
msg_host_t pm0 = xbt_dynar_get_as(hosts_dynar, 0, msg_host_t);
msg_host_t pm1 = xbt_dynar_get_as(hosts_dynar, 0, msg_host_t);
+ XBT_INFO("# 1. Put a single task on a PM. ");
+ test_one_task(pm0);
+ XBT_INFO(" ");
- {
- XBT_INFO("# 1. Put a single task on a PM. ");
- test_one_task(pm0);
- XBT_INFO(" ");
+ XBT_INFO("# 2. Put two tasks on a PM.");
+ test_two_tasks(pm0, pm0);
+ XBT_INFO(" ");
+ msg_host_t vm0 = MSG_vm_create_core(pm0, "VM0");
+ MSG_vm_start(vm0);
- XBT_INFO("# 2. Put two tasks on a PM.");
- test_two_tasks(pm0, pm0);
- XBT_INFO(" ");
- }
-
-
- {
- msg_host_t vm0 = MSG_vm_create_core(pm0, "VM0");
- MSG_vm_start(vm0);
-
- XBT_INFO("# 3. Put a single task on a VM. ");
- test_one_task(vm0);
- XBT_INFO(" ");
-
- XBT_INFO("# 4. Put two tasks on a VM.");
- test_two_tasks(vm0, vm0);
- XBT_INFO(" ");
-
-
- MSG_vm_destroy(vm0);
- }
-
-
- {
- msg_host_t vm0 = MSG_vm_create_core(pm0, "VM0");
- MSG_vm_start(vm0);
-
- XBT_INFO("# 6. Put a task on a PM and a task on a VM.");
- test_two_tasks(pm0, vm0);
- XBT_INFO(" ");
+ XBT_INFO("# 3. Put a single task on a VM. ");
+ test_one_task(vm0);
+ XBT_INFO(" ");
+ XBT_INFO("# 4. Put two tasks on a VM.");
+ test_two_tasks(vm0, vm0);
+ XBT_INFO(" ");
- MSG_vm_destroy(vm0);
- }
+ MSG_vm_destroy(vm0);
+ vm0 = MSG_vm_create_core(pm0, "VM0");
+ MSG_vm_start(vm0);
- {
- msg_host_t vm0 = MSG_vm_create_core(pm0, "VM0");
- const double cpu_speed = MSG_host_get_speed(pm0);
- MSG_vm_set_bound(vm0, cpu_speed / 10);
- MSG_vm_start(vm0);
+ XBT_INFO("# 6. Put a task on a PM and a task on a VM.");
+ test_two_tasks(pm0, vm0);
+ XBT_INFO(" ");
- XBT_INFO("# 7. Put a single task on the VM capped by 10%%.");
- test_one_task(vm0);
- XBT_INFO(" ");
+ MSG_vm_destroy(vm0);
- XBT_INFO("# 8. Put two tasks on the VM capped by 10%%.");
- test_two_tasks(vm0, vm0);
- XBT_INFO(" ");
+ vm0 = MSG_vm_create_core(pm0, "VM0");
+ double cpu_speed = MSG_host_get_speed(pm0);
+ MSG_vm_set_bound(vm0, cpu_speed / 10);
+ MSG_vm_start(vm0);
- XBT_INFO("# 9. Put a task on a PM and a task on the VM capped by 10%%.");
- test_two_tasks(pm0, vm0);
- XBT_INFO(" ");
+ XBT_INFO("# 7. Put a single task on the VM capped by 10%%.");
+ test_one_task(vm0);
+ XBT_INFO(" ");
- MSG_vm_destroy(vm0);
- }
+ XBT_INFO("# 8. Put two tasks on the VM capped by 10%%.");
+ test_two_tasks(vm0, vm0);
+ XBT_INFO(" ");
+ XBT_INFO("# 9. Put a task on a PM and a task on the VM capped by 10%%.");
+ test_two_tasks(pm0, vm0);
+ XBT_INFO(" ");
- {
- msg_host_t vm0 = MSG_vm_create_core(pm0, "VM0");
+ MSG_vm_destroy(vm0);
- s_vm_params_t params;
- memset(¶ms, 0, sizeof(params));
- params.ramsize = 1L * 1000 * 1000 * 1000; // 1Gbytes
- MSG_host_set_params(vm0, ¶ms);
- MSG_vm_start(vm0);
+ vm0 = MSG_vm_create_core(pm0, "VM0");
- const double cpu_speed = MSG_host_get_speed(pm0);
- MSG_vm_start(vm0);
+ s_vm_params_t params;
+ memset(¶ms, 0, sizeof(params));
+ params.ramsize = 1L * 1000 * 1000 * 1000; // 1Gbytes
+ MSG_host_set_params(vm0, ¶ms);
+ MSG_vm_start(vm0);
- XBT_INFO("# 10. Test migration");
- const double computation_amount = cpu_speed * 10;
+ cpu_speed = MSG_host_get_speed(pm0);
+ MSG_vm_start(vm0);
- XBT_INFO("# 10. (a) Put a task on a VM without any bound.");
- launch_worker(vm0, "worker0", computation_amount, 0, 0);
- MSG_process_sleep(1000);
- XBT_INFO(" ");
+ XBT_INFO("# 10. Test migration");
+ const double computation_amount = cpu_speed * 10;
- XBT_INFO("# 10. (b) set 10%% bound to the VM, and then put a task on the VM.");
- MSG_vm_set_bound(vm0, cpu_speed / 10);
- launch_worker(vm0, "worker0", computation_amount, 0, 0);
- MSG_process_sleep(1000);
- XBT_INFO(" ");
+ XBT_INFO("# 10. (a) Put a task on a VM without any bound.");
+ launch_worker(vm0, "worker0", computation_amount, 0, 0);
+ MSG_process_sleep(1000);
+ XBT_INFO(" ");
- XBT_INFO("# 10. (c) migrate");
- MSG_vm_migrate(vm0, pm1);
- XBT_INFO(" ");
+ XBT_INFO("# 10. (b) set 10%% bound to the VM, and then put a task on the VM.");
+ MSG_vm_set_bound(vm0, cpu_speed / 10);
+ launch_worker(vm0, "worker0", computation_amount, 0, 0);
+ MSG_process_sleep(1000);
+ XBT_INFO(" ");
- XBT_INFO("# 10. (d) Put a task again on the VM.");
- launch_worker(vm0, "worker0", computation_amount, 0, 0);
- MSG_process_sleep(1000);
- XBT_INFO(" ");
+ XBT_INFO("# 10. (c) migrate");
+ MSG_vm_migrate(vm0, pm1);
+ XBT_INFO(" ");
- MSG_vm_destroy(vm0);
- }
+ XBT_INFO("# 10. (d) Put a task again on the VM.");
+ launch_worker(vm0, "worker0", computation_amount, 0, 0);
+ MSG_process_sleep(1000);
+ XBT_INFO(" ");
+ MSG_vm_destroy(vm0);
XBT_INFO("# 11. Change a bound dynamically.");
test_dynamic_change();
MSG_init(&argc, argv);
/* load the platform file */
- if (argc != 2) {
- printf("Usage: %s example/msg/cloud/simple_plat.xml\n", argv[0]);
- return 1;
- }
+ xbt_assert(argc == 2, "Usage: %s platform_file\n\tExample: %s ../platforms/small_platform.xml\n", argv[0], argv[0]);
MSG_create_environment(argv[1]);
int res = MSG_main();
XBT_INFO("Bye (simulation time %g)", MSG_get_clock());
-
return !(res == MSG_OK);
}