Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
model-checker : add ignore mechanism for global variables (data + bss segments) in...
[simgrid.git] / src / simix / smx_global.c
index 3280f7a..728da6f 100644 (file)
@@ -1,5 +1,4 @@
-/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
- * All rights reserved.                                                     */
+/* Copyright (c) 2007-2012. 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. */
@@ -23,7 +22,7 @@ static void* SIMIX_action_mallocator_new_f(void);
 static void SIMIX_action_mallocator_free_f(void* action);
 static void SIMIX_action_mallocator_reset_f(void* action);
 
-extern void smx_ctx_raw_new_sr(void);
+static void SIMIX_clean(void);
 
 /* FIXME: Yeah, I'll do it in a portable maner one day [Mt] */
 #include <signal.h>
@@ -49,6 +48,7 @@ XBT_INLINE double SIMIX_timer_next(void)
 }
 
 /**
+ * \ingroup SIMIX_API
  * \brief Initialize SIMIX internal data.
  *
  * \param argc Argc
@@ -61,6 +61,11 @@ void SIMIX_global_init(int *argc, char **argv)
   if (!simix_global) {
     simix_global = xbt_new0(s_smx_global_t, 1);
 
+#ifdef TIME_BENCH_AMDAHL
+    simix_global->timer_seq = xbt_os_timer_new();
+    simix_global->timer_par = xbt_os_timer_new();
+    xbt_os_timer_start(simix_global->timer_seq);
+#endif
     simix_global->process_to_run = xbt_dynar_new(sizeof(smx_process_t), NULL);
     simix_global->process_that_ran = xbt_dynar_new(sizeof(smx_process_t), NULL);
     simix_global->process_list =
@@ -77,6 +82,7 @@ void SIMIX_global_init(int *argc, char **argv)
     simix_global->action_mallocator = xbt_mallocator_new(65536,
         SIMIX_action_mallocator_new_f, SIMIX_action_mallocator_free_f,
         SIMIX_action_mallocator_reset_f);
+    simix_global->autorestart = SIMIX_host_restart_processes;
 
     surf_init(argc, argv);      /* Initialize SURF structures */
     SIMIX_context_mod_init();
@@ -91,6 +97,11 @@ void SIMIX_global_init(int *argc, char **argv)
 
     /* Prepare to display some more info when dying on Ctrl-C pressing */
     signal(SIGINT, inthandler);
+
+    /* register a function to be called by SURF after the environment creation */
+    sg_platf_init();
+    sg_platf_postparse_add_cb(SIMIX_post_create_environment);
+
   }
   if (!simix_timers) {
     simix_timers = xbt_heap_new(8, &free);
@@ -98,16 +109,19 @@ void SIMIX_global_init(int *argc, char **argv)
 
   XBT_DEBUG("ADD SIMIX LEVELS");
   SIMIX_HOST_LEVEL = xbt_lib_add_level(host_lib,SIMIX_host_destroy);
+
+  atexit(SIMIX_clean);
 }
 
 /**
+ * \ingroup SIMIX_API
  * \brief Clean the SIMIX simulation
  *
  * This functions remove the memory used by SIMIX
  */
-void SIMIX_clean(void)
+static void SIMIX_clean(void)
 {
-#ifdef TIME_BENCH
+#ifdef TIME_BENCH_PER_SR
   smx_ctx_raw_new_sr();
 #endif
 
@@ -143,6 +157,15 @@ void SIMIX_clean(void)
 
   surf_exit();
 
+#ifdef TIME_BENCH_AMDAHL
+  xbt_os_timer_stop(simix_global->timer_seq);
+  XBT_INFO("Amdhal timing informations. Sequential time: %lf; Parallel time: %lf",
+           xbt_os_timer_elapsed(simix_global->timer_seq),
+           xbt_os_timer_elapsed(simix_global->timer_par));
+  xbt_os_timer_free(simix_global->timer_seq);
+  xbt_os_timer_free(simix_global->timer_par);
+#endif
+
   xbt_mallocator_free(simix_global->action_mallocator);
   xbt_free(simix_global);
   simix_global = NULL;
@@ -152,13 +175,14 @@ void SIMIX_clean(void)
 
 
 /**
+ * \ingroup SIMIX_API
  * \brief A clock (in second).
  *
  * \return Return the clock.
  */
 XBT_INLINE double SIMIX_get_clock(void)
 {
-  if(MC_IS_ENABLED){
+  if(MC_is_active()){
     return MC_process_clock_get(SIMIX_process_self());
   }else{
     return surf_get_clock();
@@ -178,6 +202,10 @@ static int process_syscall_color(void *p)
   }
 }
 
+/**
+ * \ingroup SIMIX_API
+ * \brief Run the main simulation loop.
+ */
 void SIMIX_run(void)
 {
   double time = 0;
@@ -191,7 +219,7 @@ void SIMIX_run(void)
   do {
     XBT_DEBUG("New Schedule Round; size(queue)=%lu",
         xbt_dynar_length(simix_global->process_to_run));
-#ifdef TIME_BENCH
+#ifdef TIME_BENCH_PER_SR
     smx_ctx_raw_new_sr();
 #endif
     while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
@@ -199,7 +227,15 @@ void SIMIX_run(void)
               xbt_dynar_length(simix_global->process_to_run));
 
       /* Run all processes that are ready to run, possibly in parallel */
+#ifdef TIME_BENCH_AMDAHL
+      xbt_os_timer_stop(simix_global->timer_seq);
+      xbt_os_timer_resume(simix_global->timer_par);
+#endif
       SIMIX_process_runall();
+#ifdef TIME_BENCH_AMDAHL
+      xbt_os_timer_stop(simix_global->timer_par);
+      xbt_os_timer_resume(simix_global->timer_seq);
+#endif
 
       /* Move all killing processes to the end of the list, because killing a process that have an ongoing simcall is a bad idea */
       xbt_dynar_three_way_partition(simix_global->process_that_ran, process_syscall_color);
@@ -310,12 +346,12 @@ void SIMIX_run(void)
 }
 
 /**
- *     \brief Set the date to execute a function
+ *   \brief Set the date to execute a function
  *
  * Set the date to execute the function on the surf.
- *     \param date Date to execute function
- *     \param function Function to be executed
- *     \param arg Parameters of the function
+ *   \param date Date to execute function
+ *   \param function Function to be executed
+ *   \param arg Parameters of the function
  *
  */
 XBT_INLINE void SIMIX_timer_set(double date, void *function, void *arg)
@@ -350,7 +386,7 @@ XBT_INLINE void SIMIX_function_register_process_create(smx_creation_func_t
  *
  * \param function Kill process function
  */
-XBT_INLINE void SIMIX_function_register_process_kill(void_pfn_smxprocess_t
+XBT_INLINE void SIMIX_function_register_process_kill(void_pfn_smxprocess_t_smxprocess_t
                                                      function)
 {
   simix_global->kill_process_function = function;
@@ -413,6 +449,13 @@ void SIMIX_display_process_status(void)
 
       case SIMIX_ACTION_IO:
         action_description = "I/O";
+        break;
+      /* **************************************/
+      /* TUTORIAL: New API                    */
+      case SIMIX_ACTION_NEW_API:
+        action_description = "NEW API";
+      /* **************************************/
+
         break;
       }
       XBT_INFO("Process %lu (%s@%s): waiting for %s action %p (%s) in state %d to finish",
@@ -445,3 +488,9 @@ static void SIMIX_action_mallocator_reset_f(void* action) {
   memset(action, 0, sizeof(s_smx_action_t));
   ((smx_action_t) action)->simcalls = fifo;
 }
+
+xbt_dict_t SIMIX_asr_get_properties(const char *name)
+{
+  return xbt_lib_get_or_null(as_router_lib, name, ROUTING_PROP_ASR_LEVEL);
+}
+