#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(energy_vm, "Messages of this example");
-static msg_host_t host1 = NULL;
-static msg_host_t host2 = NULL;
-static msg_vm_t vm1 = NULL;
-
-int dvfs(int argc, char *argv[]);
static int worker_func() {
- //MSG_process_on_exit(shutdown_vm, NULL);
-
msg_task_t task1 = MSG_task_create("t1", 300E6, 0, NULL);
MSG_task_execute (task1);
MSG_task_destroy(task1);
- XBT_INFO("Worker fun done");
+ XBT_INFO("This worker is done.");
return 0;
}
-int dvfs(int argc, char *argv[])
+static int dvfs(int argc, char *argv[])
{
- host1 = MSG_host_by_name("MyHost1");
- host2 = MSG_host_by_name("MyHost2");
+ msg_host_t host1 = MSG_host_by_name("MyHost1");
+ msg_host_t host2 = MSG_host_by_name("MyHost2");
+ msg_host_t host3 = MSG_host_by_name("MyHost3");
/* Host 1 */
- XBT_INFO("Creating and starting a VM");
- vm1 = MSG_vm_create(host1,
- "vm1", /* name */
- 4, /* number of cpus */
- 2048, /* ram size */
- 100, /* net cap */
- NULL, /* disk path */
- 1024 * 20, /* disk size */
- 10, /* mig netspeed */
- 50 /* dp intensity */
- );
-
- // on Host1 create two tasks, one inside a VM the other one directly on the host
+ XBT_INFO("Creating and starting two VMs");
+ msg_vm_t vm1 = MSG_vm_create(host1, "vm1", 4, 2048, 100, NULL, 1024 * 20, 10,50);
MSG_vm_start(vm1);
+ msg_vm_t vm2 = MSG_vm_create(host3, "vm2", 4, 2048, 100, NULL, 1024 * 20, 10,50);
+ MSG_vm_start(vm2);
+
+ XBT_INFO("Create two tasks on Host1: one inside a VM, the other directly on the host");
MSG_process_create("p11", worker_func, NULL, vm1);
MSG_process_create("p12", worker_func, NULL, host1);
- //XBT_INFO("Task on Host started");
-
- // on Host2, create two tasks directly on the host: Energy of host 1 and host 2 should be the same.
+ XBT_INFO("Create two tasks on Host2: both directly on the host");
MSG_process_create("p21", worker_func, NULL, host2);
MSG_process_create("p22", worker_func, NULL, host2);
- /* Wait and see */
+ XBT_INFO("Create two tasks on Host3: both inside a VM");
+ MSG_process_create("p31", worker_func, NULL, vm2);
+ MSG_process_create("p32", worker_func, NULL, vm2);
+
+ XBT_INFO("Wait 5 seconds. The tasks are still running (they run for 3 seconds, but 2 tasks are co-located, so they run for 6 seconds)");
MSG_process_sleep(5);
+ XBT_INFO("Wait another 5 seconds. The tasks stop at some point in between");
MSG_process_sleep(5);
+
MSG_vm_shutdown(vm1);
+ MSG_vm_shutdown(vm2);
return 0;
}
sg_energy_plugin_init();
MSG_init(&argc, argv);
- if (argc != 3) {
- XBT_CRITICAL("Usage: %s platform_file deployment_file\n",
- argv[0]);
- XBT_CRITICAL
- ("example: %s msg_platform.xml msg_deployment.xml\n",
- argv[0]);
- exit(1);
+ if (argc != 2) {
+ XBT_CRITICAL("Usage: %s platform_file\n", argv[0]);
+ xbt_die("example: %s msg_platform.xml\n", argv[0]);
}
MSG_create_environment(argv[1]);
/* Application deployment */
- MSG_function_register("dvfs_test", dvfs);
-
- MSG_launch_application(argv[2]);
+ MSG_process_create("dvfs",dvfs,NULL,MSG_host_by_name("MyHost1"));
res = MSG_main();
- XBT_INFO("Total simulation time: %.2f", MSG_get_clock());
+ XBT_INFO("Total simulation time: %.2f; All hosts must have the exact same energy consumption.", MSG_get_clock());
if (res == MSG_OK)
return 0;
<platform version="3">
<AS id="AS0" routing="Full">
<!-- Multiple pstate processor capacities can be defined as a list of powers specified for a given host -->
- <!-- The enabled pstate can be set through the "pstate" attribute (lowest pstate corresponds to the highest processor power) -->
+ <!-- Attribute 'pstate' specifies the initialy selected pstate (here, the lowest pstate corresponds to the highest processor power) -->
<host id="MyHost1" power="100.0Mf,50.0Mf,20.0Mf" pstate="0" >
<!-- List of min_power:max_power pairs (in Watts) corresponding to the power consumed when the processor is idle and when it is fully loaded -->
<!-- The list must contain one power pair for each previously defined pstate-->
<prop id="watt_off" value="10" />
</host>
<host id="MyHost2" power="100.0Mf,50.0Mf,20.0Mf" pstate="0" >
- <prop id="watt_per_state" value="95.0:200.0, 93.0:170.0, 90.0:150.0" />
+ <prop id="watt_per_state" value="100.0:200.0, 93.0:170.0, 90.0:150.0" />
<prop id="watt_off" value="10" />
</host>
<host id="MyHost3" power="100.0Mf,50.0Mf,20.0Mf" pstate="0" >
- <prop id="watt_per_state" value="95.0:200.0, 93.0:170.0, 90.0:150.0" />
+ <prop id="watt_per_state" value="100.0:200.0, 93.0:170.0, 90.0:150.0" />
<prop id="watt_off" value="10" />
</host>
