-/* Copyright (c) 2007-2013. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2015. 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 <stdio.h>
-#include "msg/msg.h" /* Yeah! If you want to use msg, you need to include msg/msg.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 */
/* Create a log channel to have nice outputs. */
{
char **argv = xbt_new(char *, 5);
argv[0] = xbt_strdup(pr_name);
- argv[1] = bprintf("%lf", computation_amount);
+ argv[1] = bprintf("%f", computation_amount);
argv[2] = bprintf("%d", use_bound);
- argv[3] = bprintf("%lf", bound);
+ argv[3] = bprintf("%f", bound);
argv[4] = NULL;
MSG_process_create_with_arguments(pr_name, worker_main, NULL, host, 4, argv);
}
-#if 0
-static int worker_busy_loop_main(int argc, char *argv[])
-{
- double clock_sta = MSG_get_clock();
- msg_task_t task = MSG_task_create("Task", 100, 0, NULL);
- MSG_task_execute(task);
- MSG_task_destroy(task);
- double clock_sta = MSG_get_clock();
+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);
return 0;
}
-
-static msg_process_t launch_busy_loop_worker(msg_host_t host, const char *pr_name)
-{
- char **argv = xbt_new(char *, 2);
- argv[0] = xbt_strdup(pr_name);
- argv[1] = NULL;
-
- msg_process_t pr = MSG_process_create_with_arguments(pr_name, worker_busy_loop_main, NULL, host, 1, argv);
- return pr;
-}
+/* FIXME: */
+#define DOUBLE_MAX 1e11
static void test_dynamic_change(void)
{
msg_host_t vm1 = MSG_vm_create_core(pm0, "VM1");
MSG_vm_start(vm0);
MSG_vm_start(vm1);
-#endif
+ 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);
+
+
+ double task0_remain_prev = MSG_task_get_flops_amount(task0);
+ double task1_remain_prev = MSG_task_get_flops_amount(task1);
+
+ {
+ const double cpu_speed = MSG_get_host_speed(pm0);
+ int i = 0;
+ for (i = 0; i < 10; i++) {
+ double new_bound = (cpu_speed / 10) * i;
+ XBT_INFO("set bound of VM1 to %f", new_bound);
+ MSG_vm_set_bound(vm1, new_bound);
+ MSG_process_sleep(100);
+
+ double task0_remain_now = MSG_task_get_flops_amount(task0);
+ double task1_remain_now = MSG_task_get_flops_amount(task1);
+
+ double task0_flops_per_sec = task0_remain_prev - task0_remain_now;
+ double task1_flops_per_sec = task1_remain_prev - task1_remain_now;
+
+ XBT_INFO("Task0@VM0: %f flops/s", task0_flops_per_sec / 100);
+ XBT_INFO("Task1@VM1: %f flops/s", task1_flops_per_sec / 100);
+
+ task0_remain_prev = task0_remain_now;
+ task1_remain_prev = task1_remain_now;
+ }
+ }
+
+ MSG_process_kill(pr0);
+ MSG_process_kill(pr1);
+ MSG_vm_destroy(vm0);
+ MSG_vm_destroy(vm1);
+}
{
xbt_dynar_t hosts_dynar = MSG_hosts_as_dynar();
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);
{
}
+ {
+ msg_host_t vm0 = MSG_vm_create_core(pm0, "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);
+
+ const double cpu_speed = MSG_get_host_speed(pm0);
+ MSG_vm_start(vm0);
+
+ XBT_INFO("# 10. Test migration");
+ const double computation_amount = cpu_speed * 10;
+
+ 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. (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. (c) migrate");
+ MSG_vm_migrate(vm0, pm1);
+ 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(" ");
+
+ MSG_vm_destroy(vm0);
+ }
+
+
+ XBT_INFO("# 11. Change a bound dynamically.");
+ test_dynamic_change();
+
return 0;
}
MSG_init(&argc, argv);
/* load the platform file */
- xbt_assert(argc == 2);
+ if (argc != 2) {
+ printf("Usage: %s example/msg/cloud/simple_plat.xml\n", argv[0]);
+ return 1;
+ }
+
MSG_create_environment(argv[1]);
xbt_dynar_t hosts_dynar = MSG_hosts_as_dynar();
