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SimDag instrumentation for categorized resource utilization
[simgrid.git] / src / simdag / sd_global.c
index 093b77e..7662cdb 100644 (file)
 #include "xbt/log.h"
 #include "xbt/str.h"
 #include "xbt/config.h"
+#include "instr/private.h"
+#ifdef HAVE_LUA
+#include <lua.h>
+#include <lauxlib.h>
+#include <lualib.h>
+#endif
 
 XBT_LOG_NEW_CATEGORY(sd, "Logging specific to SimDag");
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_kernel, sd,
@@ -35,6 +41,9 @@ XBT_LOG_EXTERNAL_CATEGORY(sd_workstation);
  */
 void SD_init(int *argc, char **argv)
 {
+#ifdef HAVE_TRACING
+  TRACE_global_init (argc, argv);
+#endif
 
   s_SD_task_t task;
 
@@ -58,9 +67,11 @@ void SD_init(int *argc, char **argv)
 
   sd_global->not_scheduled_task_set =
     xbt_swag_new(xbt_swag_offset(task, state_hookup));
-  sd_global->scheduled_task_set =
+  sd_global->schedulable_task_set =
     xbt_swag_new(xbt_swag_offset(task, state_hookup));
-  sd_global->ready_task_set =
+  sd_global->scheduled_task_set =
+      xbt_swag_new(xbt_swag_offset(task, state_hookup));
+  sd_global->runnable_task_set =
     xbt_swag_new(xbt_swag_offset(task, state_hookup));
   sd_global->in_fifo_task_set =
     xbt_swag_new(xbt_swag_offset(task, state_hookup));
@@ -73,7 +84,7 @@ void SD_init(int *argc, char **argv)
   sd_global->task_number = 0;
 
   surf_init(argc, argv);
-  xbt_cfg_set_string(_surf_cfg_set, "workstation/model", "ptask_L07");
+  xbt_cfg_setdefault_string(_surf_cfg_set, "workstation/model", "ptask_L07");
 }
 
 /**
@@ -96,8 +107,9 @@ void SD_application_reinit(void)
   if (SD_INITIALISED()) {
     DEBUG0("Recreating the swags...");
     xbt_swag_free(sd_global->not_scheduled_task_set);
+    xbt_swag_free(sd_global->schedulable_task_set);
     xbt_swag_free(sd_global->scheduled_task_set);
-    xbt_swag_free(sd_global->ready_task_set);
+    xbt_swag_free(sd_global->runnable_task_set);
     xbt_swag_free(sd_global->in_fifo_task_set);
     xbt_swag_free(sd_global->running_task_set);
     xbt_swag_free(sd_global->done_task_set);
@@ -105,9 +117,11 @@ void SD_application_reinit(void)
 
     sd_global->not_scheduled_task_set =
       xbt_swag_new(xbt_swag_offset(task, state_hookup));
+    sd_global->schedulable_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->ready_task_set =
+    sd_global->runnable_task_set =
       xbt_swag_new(xbt_swag_offset(task, state_hookup));
     sd_global->in_fifo_task_set =
       xbt_swag_new(xbt_swag_offset(task, state_hookup));
@@ -155,8 +169,8 @@ void SD_create_environment(const char *platform_file)
   DEBUG0("SD_create_environment");
 
   surf_config_models_setup(platform_file);
-
   parse_platform_file(platform_file);
+  surf_config_models_create_elms();
 
   /* now let's create the SD wrappers for workstations and links */
   xbt_dict_foreach(surf_model_resource_set(surf_workstation_model), cursor,
@@ -170,12 +184,16 @@ void SD_create_environment(const char *platform_file)
 
   DEBUG2("Workstation number: %d, link number: %d",
          SD_workstation_get_number(), SD_link_get_number());
+
+#ifdef HAVE_TRACING
+  TRACE_surf_save_onelink ();
+#endif
 }
 
 /**
  * \brief Launches the simulation.
  *
- * The function will execute the \ref SD_READY ready tasks.
+ * The function will execute the \ref SD_RUNNABLE runnable tasks.
  * The simulation will be stopped when its time reaches \a how_long,
  * when a watch point is reached, or when no more task can be executed.
  * Then you can call SD_simulate() again.
@@ -184,21 +202,20 @@ void SD_create_environment(const char *platform_file)
  * \return a NULL-terminated array of \ref SD_task_t whose state has changed.
  * \see SD_task_schedule(), SD_task_watch()
  */
-SD_task_t *SD_simulate(double how_long)
+xbt_dynar_t SD_simulate(double how_long)
 {
   double total_time = 0.0;      /* we stop the simulation when total_time >= how_long */
   double elapsed_time = 0.0;
   SD_task_t task, task_safe, dst;
   SD_dependency_t dependency;
   surf_action_t action;
-  SD_task_t *res = NULL;
   xbt_dynar_t changed_tasks = xbt_dynar_new(sizeof(SD_task_t), NULL);
-  unsigned int iter;
+  unsigned int iter, depcnt;
   static int first_time = 1;
 
   SD_CHECK_INIT_DONE();
 
-  INFO0("Starting simulation...");
+  VERB0("Starting simulation...");
 
   if (first_time) {
     surf_presolve();            /* Takes traces into account */
@@ -211,9 +228,9 @@ SD_task_t *SD_simulate(double how_long)
   }
   sd_global->watch_point_reached = 0;
 
-  /* explore the ready tasks */
-  xbt_swag_foreach_safe(task, task_safe, sd_global->ready_task_set) {
-    INFO1("Executing task '%s'", SD_task_get_name(task));
+  /* explore the runnable tasks */
+  xbt_swag_foreach_safe(task, task_safe, sd_global->runnable_task_set) {
+    VERB1("Executing task '%s'", SD_task_get_name(task));
     if (__SD_task_try_to_run(task) && !xbt_dynar_member(changed_tasks, &task))
       xbt_dynar_push(changed_tasks, &task);
   }
@@ -242,7 +259,7 @@ SD_task_t *SD_simulate(double how_long)
         task = action->data;
         task->start_time = surf_workstation_model->action_get_start_time(task->surf_action);
         task->finish_time = surf_get_clock();
-        INFO1("Task '%s' done", SD_task_get_name(task));
+        VERB1("Task '%s' done", SD_task_get_name(task));
         DEBUG0("Calling __SD_task_just_done");
         __SD_task_just_done(task);
         DEBUG1("__SD_task_just_done called on task '%s'",
@@ -253,14 +270,38 @@ SD_task_t *SD_simulate(double how_long)
           xbt_dynar_push(changed_tasks, &task);
 
         /* remove the dependencies after this task */
-        while (xbt_dynar_length(task->tasks_after) > 0) {
-          xbt_dynar_get_cpy(task->tasks_after, 0, &dependency);
-          dst = dependency->dst;
-          SD_task_dependency_remove(task, dst);
-
-          /* is dst ready now? */
-          if (__SD_task_is_ready(dst) && !sd_global->watch_point_reached) {
-            INFO1("Executing task '%s'", SD_task_get_name(dst));
+        xbt_dynar_foreach(task->tasks_after, depcnt, dependency){
+                       dst = dependency->dst;
+          if (dst->unsatisfied_dependencies>0)
+                 dst->unsatisfied_dependencies--;
+          if (dst->is_not_ready>0)
+                 dst->is_not_ready--;
+
+          if (!(dst->unsatisfied_dependencies)){
+                 if (__SD_task_is_scheduled(dst))
+                         __SD_task_set_state(dst, SD_RUNNABLE);
+                 else
+                         __SD_task_set_state(dst, SD_SCHEDULABLE);
+          }
+
+          if (SD_task_get_kind(dst) == SD_TASK_COMM_E2E){
+                 SD_dependency_t comm_dep;
+                 SD_task_t comm_dst;
+                 xbt_dynar_get_cpy(dst->tasks_after, 0, &comm_dep);
+                 comm_dst = comm_dep->dst;
+                 if (__SD_task_is_not_scheduled(comm_dst) &&
+                         comm_dst->is_not_ready>0){
+                         comm_dst->is_not_ready--;
+
+                                 if (!(comm_dst->is_not_ready)){
+                                         __SD_task_set_state(comm_dst, SD_SCHEDULABLE);
+                                 }
+                         }
+          }
+
+          /* is dst runnable now? */
+          if (__SD_task_is_runnable(dst) && !sd_global->watch_point_reached) {
+            VERB1("Executing task '%s'", SD_task_get_name(dst));
             if (__SD_task_try_to_run(dst) &&
                 !xbt_dynar_member(changed_tasks, &task))
               xbt_dynar_push(changed_tasks, &task);
@@ -273,7 +314,7 @@ SD_task_t *SD_simulate(double how_long)
         task = action->data;
         task->start_time = surf_workstation_model->action_get_start_time(task->surf_action);
         task->finish_time = surf_get_clock();
-        INFO1("Task '%s' failed", SD_task_get_name(task));
+        VERB1("Task '%s' failed", SD_task_get_name(task));
         __SD_task_set_state(task, SD_FAILED);
         surf_workstation_model->action_unref(action);
         task->surf_action = NULL;
@@ -287,19 +328,12 @@ SD_task_t *SD_simulate(double how_long)
     }
   }
 
-  res = xbt_new0(SD_task_t, (xbt_dynar_length(changed_tasks) + 1));
-
-  xbt_dynar_foreach(changed_tasks, iter, task) {
-    res[iter] = task;
-  }
-  xbt_dynar_free(&changed_tasks);
-
-  INFO0("Simulation finished");
+  VERB0("Simulation finished");
   DEBUG3("elapsed_time = %f, total_time = %f, watch_point_reached = %d",
          elapsed_time, total_time, sd_global->watch_point_reached);
   DEBUG1("current time = %f", surf_get_clock());
 
-  return res;
+  return changed_tasks;
 }
 
 /**
@@ -324,6 +358,9 @@ double SD_get_clock(void)
  */
 void SD_exit(void)
 {
+#ifdef HAVE_TRACING
+  TRACE_surf_release ();
+#endif
   if (SD_INITIALISED()) {
     DEBUG0("Destroying workstation and link dictionaries...");
     xbt_dict_free(&sd_global->workstations);
@@ -341,8 +378,9 @@ void SD_exit(void)
 
     DEBUG0("Destroying the swags...");
     xbt_swag_free(sd_global->not_scheduled_task_set);
+    xbt_swag_free(sd_global->schedulable_task_set);
     xbt_swag_free(sd_global->scheduled_task_set);
-    xbt_swag_free(sd_global->ready_task_set);
+    xbt_swag_free(sd_global->runnable_task_set);
     xbt_swag_free(sd_global->in_fifo_task_set);
     xbt_swag_free(sd_global->running_task_set);
     xbt_swag_free(sd_global->done_task_set);
@@ -358,3 +396,23 @@ void SD_exit(void)
     /* we cannot use exceptions here because xbt is not running! */
   }
 }
+
+/**
+ * \bried load script file
+ */
+
+void SD_load_environment_script(const char* script_file)
+{
+#ifdef HAVE_LUA
+    lua_State *L = lua_open();
+    luaL_openlibs(L);
+
+    if (luaL_loadfile(L, script_file) || lua_pcall(L, 0, 0, 0)) {
+         printf("error: %s\n", lua_tostring(L, -1));
+         return;
+       }
+#else
+    xbt_die("Lua is not available!! to call SD_load_environment_script, lua should be available...");
+#endif
+    return;
+}