#include "simdag/simdag.h"
#include "private.h"
-#include "xbt/asserts.h"
#include "xbt/sysdep.h"
+#include "xbt/dynar.h"
#include "surf/surf.h"
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_kernel, msg,
+ "Logging specific to SimDag (kernel)");
+
SD_global_t sd_global = NULL;
/* Initialises SD internal data. This function should be called before any other SD function.
sd_global = xbt_new0(s_SD_global_t, 1);
sd_global->workstations = xbt_dict_new();
sd_global->workstation_count = 0;
- /*sd_global->links = xbt_dynar_new(sizeof(s_SD_link_t), __SD_link_destroy);*/
sd_global->links = xbt_dict_new();
+ sd_global->watch_point_reached = 0;
+
+ s_SD_task_t task;
+ sd_global->not_scheduled_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
+ sd_global->scheduled_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
+ sd_global->running_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
+ sd_global->done_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
+ sd_global->failed_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
surf_init(argc, argv);
}
void *surf_workstation = NULL;
void *surf_link = NULL;
- CHECK_INIT_DONE();
+ SD_CHECK_INIT_DONE();
surf_timer_resource_init(platform_file); /* tell Surf to create the environnement */
/*printf("surf_workstation_resource = %p, workstation_set = %p\n", surf_workstation_resource, workstation_set);
printf("surf_network_resource = %p, network_link_set = %p\n", surf_network_resource, network_link_set);*/
- surf_workstation_resource_init_KCCFLN05(platform_file);
- /*surf_workstation_resource_init_CLM03(platform_file);*/
+ /*surf_workstation_resource_init_KCCFLN05(platform_file);*/
+ surf_workstation_resource_init_CLM03(platform_file);
/*printf("surf_workstation_resource = %p, workstation_set = %p\n", surf_workstation_resource, workstation_set);
printf("surf_network_resource = %p, network_link_set = %p\n", surf_network_resource, network_link_set);*/
}
xbt_dict_foreach(network_link_set, cursor, name, surf_link) {
- __SD_link_create(surf_link, name, NULL);
+ __SD_link_create(surf_link, NULL);
}
}
{
/* TODO */
+ double total_time = 0.0; /* we stop the simulation when total_time >= how_long */
+ double elapsed_time = 0.0;
+ SD_task_t task;
+ surf_action_t action;
+
+ /* create the array that will be returned */
+ const int task_number = xbt_swag_size(sd_global->scheduled_task_set) + xbt_swag_size(sd_global->running_task_set);
+ SD_task_t *changed_tasks = xbt_new0(SD_task_t, task_number + 1);
+ changed_tasks[task_number] = NULL;
+ int changed_task_number = 0;
+
+ surf_solve(); /* Takes traces into account. Returns 0.0 */
+
+ sd_global->watch_point_reached = 0;
+
+ /* main loop */
+ while (elapsed_time >= 0.0 && total_time < how_long && !sd_global->watch_point_reached) {
+
+ /* explore the scheduled tasks */
+ xbt_swag_foreach(task, sd_global->scheduled_task_set) {
+ INFO1("Examining task '%s'...", SD_task_get_name(task));
+ task->state_changed = 0;
+ if (xbt_dynar_length(task->tasks_before) == 0) {
+ INFO1("The dependencies are satisfied. Executing task '%s'", SD_task_get_name(task));
+ action = __SD_task_run(task);
+ surf_workstation_resource->common_public->action_set_data(action, task);
+ task->state_changed = 1;
+ changed_tasks[changed_task_number++] = task;
+ }
+ else {
+ INFO1("Cannot execute task '%s' now because some depencies are not satisfied.", SD_task_get_name(task));
+ }
+ }
+
+ elapsed_time = surf_solve();
+ if (elapsed_time > 0.0)
+ total_time += elapsed_time;
+ /* INFO1("Total time: %f", total_time);*/
+
+ while ((action = xbt_swag_extract(surf_workstation_resource->common_public->states.done_action_set))) {
+ task = action->data;
+ INFO1("Task '%s' done", SD_task_get_name(task));
+ __SD_task_set_state(task, SD_DONE);
+ __SD_task_remove_dependencies(task);
+ if (!task->state_changed) {
+ task->state_changed = 1;
+ changed_tasks[changed_task_number++] = task;
+ }
+ }
+
+ while ((action = xbt_swag_extract(surf_workstation_resource->common_public->states.failed_action_set))) {
+ task = action->data;
+ INFO1("Task '%s' failed", SD_task_get_name(task));
+ __SD_task_set_state(task, SD_FAILED);
+ if (!task->state_changed) {
+ task->state_changed = 1;
+ changed_tasks[changed_task_number++] = task;
+ }
+ }
+ }
+
+ INFO0("Simulation finished");
+
+ INFO1("Number of tasks whose state has changed: %d", changed_task_number);
+ return changed_tasks;
+}
+
+void SD_test() {
/* temporary test to explore the workstations and the links */
xbt_dict_cursor_t cursor = NULL;
char *name = NULL;
xbt_dict_foreach(sd_global->links, cursor, name, link) {
bandwidth = SD_link_get_current_bandwidth(link);
latency = SD_link_get_current_latency(link);
- printf("Link name: %s, bandwidth: %f, latency; %f\n", name, bandwidth, latency);
+ printf("Link name: %s, bandwidth: %f, latency: %f\n", name, bandwidth, latency);
}
/* test the route between two workstations */
printf("%s ", SD_link_get_name(route[i]));
}
printf("\n");
-
- return NULL;
}
-/* Destroys all SD data. This function should be called when the simulation is over.
+/* Destroys all SD internal data. This function should be called when the simulation is over.
+ * The tasks should have been destroyed first.
*/
-void SD_clean() {
+void SD_exit() {
if (sd_global != NULL) {
xbt_dict_free(&sd_global->workstations);
xbt_dict_free(&sd_global->links);
xbt_free(sd_global);
+
+ xbt_swag_free(sd_global->not_scheduled_task_set);
+ xbt_swag_free(sd_global->scheduled_task_set);
+ xbt_swag_free(sd_global->running_task_set);
+ xbt_swag_free(sd_global->done_task_set);
+ xbt_swag_free(sd_global->failed_task_set);
+
surf_exit();
- /* TODO: destroy the tasks */
}
}