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implement quiet exit (fixes #10045)
[simgrid.git] / src / surf / surf_config.c
index 7f5e6fb..0fff09f 100644 (file)
@@ -9,13 +9,13 @@
 #include "xbt/config.h"
 #include "xbt/str.h"
 #include "surf/surf_private.h"
+#include "simix/context.h"
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_config, surf,
                                 "About the configuration of surf (and the rest of the simulation)");
 
 xbt_cfg_t _surf_cfg_set = NULL;
 
-
 /* Parse the command line, looking for options */
 static void surf_config_cmd_line(int *argc, char **argv)
 {
@@ -29,19 +29,34 @@ static void surf_config_cmd_line(int *argc, char **argv)
       opt++;
 
       xbt_cfg_set_parse(_surf_cfg_set, opt);
-      DEBUG1("Did apply '%s' as config setting", opt);
+      XBT_DEBUG("Did apply '%s' as config setting", opt);
       remove_it = 1;
     } else if (!strncmp(argv[i], "--cfg-help", strlen("--cfg-help") + 1) ||
                !strncmp(argv[i], "--help", strlen("--help") + 1)) {
-      printf("Description of the configuration accepted by this simulator:\n");
+      printf
+          ("Description of the configuration accepted by this simulator:\n");
       xbt_cfg_help(_surf_cfg_set);
-      printf("\nYou can also use --help-models to see the details of all models known by this simulator.\n");
+      printf
+          ("\nYou can also use --help-models to see the details of all models known by this simulator.\n");
+#ifdef HAVE_TRACING
+      printf
+          ("\nYou can also use --help-tracing to see the details of all tracing options known by this simulator.\n");
+#endif
       exit(0);
-    } else if (!strncmp(argv[i], "--help-models", strlen("--help-models")+1)) {
-      model_help("workstation",surf_workstation_model_description);
-      model_help("CPU",surf_cpu_model_description);
-      model_help("network",surf_network_model_description);
+    } else
+        if (!strncmp
+            (argv[i], "--help-models", strlen("--help-models") + 1)) {
+      model_help("workstation", surf_workstation_model_description);
+      model_help("CPU", surf_cpu_model_description);
+      model_help("network", surf_network_model_description);
       exit(0);
+#ifdef HAVE_TRACING
+    }else
+        if (!strncmp
+            (argv[i], "--help-tracing", strlen("--help-tracing") + 1)) {
+      TRACE_help (1);
+      exit(0);
+#endif
     }
     if (remove_it) {            /*remove this from argv */
       for (j = i + 1; j < *argc; j++) {
@@ -65,13 +80,13 @@ static void _surf_cfg_cb__workstation_model(const char *name, int pos)
 {
   char *val;
 
-  xbt_assert0(_surf_init_status < 2,
+  xbt_assert(_surf_init_status < 2,
               "Cannot change the model after the initialization");
 
   val = xbt_cfg_get_string(_surf_cfg_set, name);
 
-  if (!strcmp(val,"help")) {
-    model_help("workstation",surf_workstation_model_description);
+  if (!strcmp(val, "help")) {
+    model_help("workstation", surf_workstation_model_description);
     exit(0);
   }
 
@@ -84,13 +99,13 @@ static void _surf_cfg_cb__cpu_model(const char *name, int pos)
 {
   char *val;
 
-  xbt_assert0(_surf_init_status < 2,
+  xbt_assert(_surf_init_status < 2,
               "Cannot change the model after the initialization");
 
   val = xbt_cfg_get_string(_surf_cfg_set, name);
 
-  if (!strcmp(val,"help")) {
-    model_help("CPU",surf_cpu_model_description);
+  if (!strcmp(val, "help")) {
+    model_help("CPU", surf_cpu_model_description);
     exit(0);
   }
 
@@ -103,13 +118,13 @@ static void _surf_cfg_cb__network_model(const char *name, int pos)
 {
   char *val;
 
-  xbt_assert0(_surf_init_status < 2,
+  xbt_assert(_surf_init_status < 2,
               "Cannot change the model after the initialization");
 
   val = xbt_cfg_get_string(_surf_cfg_set, name);
 
-  if (!strcmp(val,"help")) {
-    model_help("network",surf_network_model_description);
+  if (!strcmp(val, "help")) {
+    model_help("network", surf_network_model_description);
     exit(0);
   }
 
@@ -119,69 +134,132 @@ static void _surf_cfg_cb__network_model(const char *name, int pos)
 
 
 /* callbacks of the network models values */
-static void _surf_cfg_cb__tcp_gamma(const char *name, int pos) {
+static void _surf_cfg_cb__tcp_gamma(const char *name, int pos)
+{
   sg_tcp_gamma = xbt_cfg_get_double(_surf_cfg_set, name);
 }
-static void _surf_cfg_cb__latency_factor(const char *name, int pos) {
+
+static void _surf_cfg_cb__maxmin_precision(const char* name, int pos)
+{
+  sg_maxmin_precision = xbt_cfg_get_double(_surf_cfg_set, name);
+}
+
+static void _surf_cfg_cb__sender_gap(const char* name, int pos)
+{
+  sg_sender_gap = xbt_cfg_get_double(_surf_cfg_set, name);
+}
+
+static void _surf_cfg_cb__latency_factor(const char *name, int pos)
+{
   sg_latency_factor = xbt_cfg_get_double(_surf_cfg_set, name);
 }
-static void _surf_cfg_cb__bandwidth_factor(const char *name, int pos) {
+
+static void _surf_cfg_cb__bandwidth_factor(const char *name, int pos)
+{
   sg_bandwidth_factor = xbt_cfg_get_double(_surf_cfg_set, name);
 }
-static void _surf_cfg_cb__weight_S(const char *name, int pos) {
+
+static void _surf_cfg_cb__weight_S(const char *name, int pos)
+{
   sg_weight_S_parameter = xbt_cfg_get_double(_surf_cfg_set, name);
 }
-static void _surf_cfg_cb__surf_maxmin_selective_update(const char *name, int pos) {
-       sg_maxmin_selective_update = xbt_cfg_get_int(_surf_cfg_set, name);
+
+static void _surf_cfg_cb__surf_maxmin_selective_update(const char *name,
+                                                       int pos)
+{
+  sg_maxmin_selective_update = xbt_cfg_get_int(_surf_cfg_set, name);
 }
 
 /* callback of the inclusion path */
-static void _surf_cfg_cb__surf_path(const char *name, int pos) {
+static void _surf_cfg_cb__surf_path(const char *name, int pos)
+{
   char *path = xbt_cfg_get_string_at(_surf_cfg_set, name, pos);
   xbt_dynar_push(surf_path, &path);
 }
 
 /* callback to decide if we want to use the model-checking */
 #include "xbt_modinter.h"
-int _surf_do_model_check = 0; /* this variable is used accros the lib */
+extern int _surf_do_model_check;   /* this variable lives in xbt_main until I find a right location for it */
+
+static void _surf_cfg_cb_model_check(const char *name, int pos)
+{
+  _surf_do_model_check = xbt_cfg_get_int(_surf_cfg_set, name);
 
-static void _surf_cfg_cb_model_check(const char *name, int pos) {
-  _surf_do_model_check = 1;
-  /* Tell modules using mallocators that they shouldn't. MC don't like them */
-  xbt_fifo_preinit();
-  xbt_dict_preinit();
+  if (_surf_do_model_check) {
+    /* Tell modules using mallocators that they shouldn't. MC don't like them */
+    xbt_fifo_preinit();
+    xbt_dict_preinit();
+  }
+}
+
+extern int _surf_do_verbose_exit;
+
+static void _surf_cfg_cb_verbose_exit(const char *name, int pos)
+{
+  _surf_do_verbose_exit = xbt_cfg_get_int(_surf_cfg_set, name);
+}
+
+
+static void _surf_cfg_cb_context_factory(const char *name, int pos)
+{
+  smx_context_factory_name = xbt_cfg_get_string(_surf_cfg_set, name);
+}
+
+static void _surf_cfg_cb_context_stack_size(const char *name, int pos)
+{
+  smx_context_stack_size = xbt_cfg_get_int(_surf_cfg_set, name) * 1024;
+}
+
+static void _surf_cfg_cb_contexts_nthreads(const char *name, int pos)
+{
+  SIMIX_context_set_nthreads(xbt_cfg_get_int(_surf_cfg_set, name));
+}
+
+static void _surf_cfg_cb_contexts_parallel_threshold(const char *name, int pos)
+{
+  SIMIX_context_set_parallel_threshold(xbt_cfg_get_int(_surf_cfg_set, name));
+}
+
+static void _surf_cfg_cb__surf_network_fullduplex(const char *name,
+                                                  int pos)
+{
+  sg_network_fullduplex = xbt_cfg_get_int(_surf_cfg_set, name);
 }
 
 #ifdef HAVE_GTNETS
-static void _surf_cfg_cb__gtnets_jitter(const char *name, int pos){
-       sg_gtnets_jitter = xbt_cfg_get_double(_surf_cfg_set, name);
+static void _surf_cfg_cb__gtnets_jitter(const char *name, int pos)
+{
+  sg_gtnets_jitter = xbt_cfg_get_double(_surf_cfg_set, name);
 }
-static void _surf_cfg_cb__gtnets_jitter_seed(const char *name, int pos){
-       sg_gtnets_jitter_seed = xbt_cfg_get_int(_surf_cfg_set, name);
+
+static void _surf_cfg_cb__gtnets_jitter_seed(const char *name, int pos)
+{
+  sg_gtnets_jitter_seed = xbt_cfg_get_int(_surf_cfg_set, name);
 }
 #endif
 
 /* create the config set, register what should be and parse the command line*/
 void surf_config_init(int *argc, char **argv)
 {
-    char *description = xbt_malloc(1024), *p = description;
-    char *default_value;
-    double double_default_value;
-       int default_value_int;
-    int i;
+  char *description = xbt_malloc(1024), *p = description;
+  char *default_value;
+  double double_default_value;
+  int default_value_int;
+  int i;
 
   /* Create the configuration support */
   if (_surf_init_status == 0) { /* Only create stuff if not already inited */
     _surf_init_status = 1;
 
-    sprintf(description, "The model to use for the CPU. Possible values: ");
+    sprintf(description,
+            "The model to use for the CPU. Possible values: ");
     p = description;
     while (*(++p) != '\0');
     for (i = 0; surf_cpu_model_description[i].name; i++)
-      p +=
-        sprintf(p, "%s%s", (i == 0 ? "" : ", "),
-                surf_cpu_model_description[i].name);
-    sprintf(p,".\n       (use 'help' as a value to see the long description of each model)");
+      p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
+                   surf_cpu_model_description[i].name);
+    sprintf(p,
+            ".\n       (use 'help' as a value to see the long description of each model)");
     default_value = xbt_strdup("Cas01");
     xbt_cfg_register(&_surf_cfg_set,
                      "cpu/model", description, xbt_cfgelm_string,
@@ -192,10 +270,10 @@ void surf_config_init(int *argc, char **argv)
     p = description;
     while (*(++p) != '\0');
     for (i = 0; surf_network_model_description[i].name; i++)
-      p +=
-        sprintf(p, "%s%s", (i == 0 ? "" : ", "),
-                surf_network_model_description[i].name);
-    sprintf(p,".\n       (use 'help' as a value to see the long description of each model)");
+      p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
+                   surf_network_model_description[i].name);
+    sprintf(p,
+            ".\n       (use 'help' as a value to see the long description of each model)");
     default_value = xbt_strdup("LV08");
     xbt_cfg_register(&_surf_cfg_set,
                      "network/model", description, xbt_cfgelm_string,
@@ -207,15 +285,15 @@ void surf_config_init(int *argc, char **argv)
     p = description;
     while (*(++p) != '\0');
     for (i = 0; surf_workstation_model_description[i].name; i++)
-      p +=
-        sprintf(p, "%s%s", (i == 0 ? "" : ", "),
-                surf_workstation_model_description[i].name);
-    sprintf(p,".\n       (use 'help' as a value to see the long description of each model)");
+      p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
+                   surf_workstation_model_description[i].name);
+    sprintf(p,
+            ".\n       (use 'help' as a value to see the long description of each model)");
     default_value = xbt_strdup("CLM03");
     xbt_cfg_register(&_surf_cfg_set,
                      "workstation/model", description, xbt_cfgelm_string,
-                     &default_value, 1, 1, &_surf_cfg_cb__workstation_model,
-                     NULL);
+                     &default_value, 1, 1,
+                     &_surf_cfg_cb__workstation_model, NULL);
 
     xbt_free(description);
 
@@ -226,66 +304,134 @@ void surf_config_init(int *argc, char **argv)
 
     xbt_cfg_register(&_surf_cfg_set, "TCP_gamma",
                      "Size of the biggest TCP window (cat /proc/sys/net/ipv4/tcp_[rw]mem for recv/send window; Use the last given value, which is the max window size)",
-                     xbt_cfgelm_double, NULL, 1, 1, _surf_cfg_cb__tcp_gamma, NULL);
-    xbt_cfg_set_double(_surf_cfg_set, "TCP_gamma", 20000.0);
+                     xbt_cfgelm_double, NULL, 1, 1,
+                     _surf_cfg_cb__tcp_gamma, NULL);
+    xbt_cfg_setdefault_double(_surf_cfg_set, "TCP_gamma", 20000.0);
+
+    xbt_cfg_register(&_surf_cfg_set, "maxmin/precision",
+                     "Minimum retained action value when updating simulation",
+                     xbt_cfgelm_double, NULL, 1, 1, _surf_cfg_cb__maxmin_precision, NULL);
+    xbt_cfg_setdefault_double(_surf_cfg_set, "maxmin/precision", 0.00001); // FIXME use setdefault everywhere here!
 
     /* The parameters of network models */
+
+    double_default_value = 0.0;
+    xbt_cfg_register(&_surf_cfg_set, "network/sender_gap",
+                     "Minimum gap between two overlapping sends",
+                     xbt_cfgelm_double, &double_default_value, 1, 1,
+                     _surf_cfg_cb__sender_gap, NULL);
+
     double_default_value = 1.0;
     xbt_cfg_register(&_surf_cfg_set, "network/latency_factor",
                      "Correction factor to apply to the provided latency (default value set by network model)",
-                     xbt_cfgelm_double, &double_default_value, 1, 1, _surf_cfg_cb__latency_factor, NULL);
+                     xbt_cfgelm_double, &double_default_value, 1, 1,
+                     _surf_cfg_cb__latency_factor, NULL);
     double_default_value = 1.0;
     xbt_cfg_register(&_surf_cfg_set, "network/bandwidth_factor",
                      "Correction factor to apply to the provided bandwidth (default value set by network model)",
-                     xbt_cfgelm_double, &double_default_value, 1, 1, _surf_cfg_cb__bandwidth_factor, NULL);
+                     xbt_cfgelm_double, &double_default_value, 1, 1,
+                     _surf_cfg_cb__bandwidth_factor, NULL);
     double_default_value = 0.0;
     xbt_cfg_register(&_surf_cfg_set, "network/weight_S",
                      "Correction factor to apply to the weight of competing streams(default value set by network model)",
-                     xbt_cfgelm_double, &double_default_value, 1, 1, _surf_cfg_cb__weight_S, NULL);
+                     xbt_cfgelm_double, &double_default_value, 1, 1,
+                     _surf_cfg_cb__weight_S, NULL);
 
     /* Inclusion path */
     xbt_cfg_register(&_surf_cfg_set, "path",
                      "Lookup path for inclusions in platform and deployment XML files",
-                     xbt_cfgelm_string, NULL, 0, 0, _surf_cfg_cb__surf_path,
-                     NULL);
+                     xbt_cfgelm_string, NULL, 0, 0,
+                     _surf_cfg_cb__surf_path, NULL);
 
-               default_value_int = 0;
+    default_value_int = 0;
     xbt_cfg_register(&_surf_cfg_set, "maxmin_selective_update",
                      "Update the constraint set propagating recursively to others constraints",
-                     xbt_cfgelm_int, &default_value_int, 0, 1, _surf_cfg_cb__surf_maxmin_selective_update, NULL);
+                     xbt_cfgelm_int, &default_value_int, 0, 1,
+                     _surf_cfg_cb__surf_maxmin_selective_update, NULL);
 
     /* do model-check */
     default_value_int = 0;
     xbt_cfg_register(&_surf_cfg_set, "model-check",
                      "Activate the model-checking of the \"simulated\" system (EXPERIMENTAL -- msg only for now)",
-                     xbt_cfgelm_int, &default_value_int, 0, 1, _surf_cfg_cb_model_check, NULL);
+                     xbt_cfgelm_int, &default_value_int, 0, 1,
+                     _surf_cfg_cb_model_check, NULL);
+    
+    /*
+       FIXME: this function is not setting model-check to it's default value because
+       internally it calls to variable->cb_set that in this case is the function 
+       _surf_cfg_cb_model_check which sets it's value to 1 (instead of the default value 0)
+       xbt_cfg_set_int(_surf_cfg_set, "model-check", default_value_int); */
+
+    /* do verbose-exit */
+    default_value_int = 0;
+    xbt_cfg_register(&_surf_cfg_set, "verbose-exit",
+                     "Activate the \"do nothing\" mode in Ctrl-C",
+                     xbt_cfgelm_int, &default_value_int, 0, 1,
+                     _surf_cfg_cb_verbose_exit, NULL);
+    
+    
+    /* context factory */
+    default_value = xbt_strdup("ucontext");
+    xbt_cfg_register(&_surf_cfg_set, "contexts/factory",
+                     "Context factory to use in SIMIX (ucontext, thread or raw)",
+                     xbt_cfgelm_string, &default_value, 1, 1, _surf_cfg_cb_context_factory, NULL);
+
+    /* stack size of contexts in Ko */
+    default_value_int = 128;
+    xbt_cfg_register(&_surf_cfg_set, "contexts/stack_size",
+                     "Stack size of contexts in Ko (ucontext or raw only)",
+                     xbt_cfgelm_int, &default_value_int, 1, 1,
+                     _surf_cfg_cb_context_stack_size, NULL);
+
+    /* number of parallel threads for user processes */
+    default_value_int = 1;
+    xbt_cfg_register(&_surf_cfg_set, "contexts/nthreads",
+                     "Number of parallel threads for user contexts (EXPERIMENTAL)",
+                     xbt_cfgelm_int, &default_value_int, 1, 1,
+                     _surf_cfg_cb_contexts_nthreads, NULL);
+
+    /* minimal number of user contexts to be run in parallel */
+    default_value_int = 1;
+    xbt_cfg_register(&_surf_cfg_set, "contexts/parallel_threshold",
+        "Minimal number of user contexts to be run in parallel",
+        xbt_cfgelm_int, &default_value_int, 1, 1,
+        _surf_cfg_cb_contexts_parallel_threshold, NULL);
+
+    default_value_int = 0;
+    xbt_cfg_register(&_surf_cfg_set, "fullduplex",
+                     "Activate the interferences between uploads and downloads for fluid max-min models (LV08, CM03)",
+                     xbt_cfgelm_int, &default_value_int, 0, 1,
+                     _surf_cfg_cb__surf_network_fullduplex, NULL);
+    xbt_cfg_setdefault_int(_surf_cfg_set, "fullduplex", default_value_int);
 
 #ifdef HAVE_GTNETS
     xbt_cfg_register(&_surf_cfg_set, "gtnets_jitter",
-                     "Double value to oscillate the link latency, uniformly in random interval [-latency*gtnets_jitter,latency*gtnets_jitter)", xbt_cfgelm_double,
-                     NULL, 1, 1, _surf_cfg_cb__gtnets_jitter, NULL);
-    xbt_cfg_set_double(_surf_cfg_set, "gtnets_jitter", 0.0);
+                     "Double value to oscillate the link latency, uniformly in random interval [-latency*gtnets_jitter,latency*gtnets_jitter)",
+                     xbt_cfgelm_double, NULL, 1, 1,
+                     _surf_cfg_cb__gtnets_jitter, NULL);
+    xbt_cfg_setdefault_double(_surf_cfg_set, "gtnets_jitter", 0.0);
 
     default_value_int = 10;
     xbt_cfg_register(&_surf_cfg_set, "gtnets_jitter_seed",
                      "Use a positive seed to reproduce jitted results, value must be in [1,1e8], default is 10",
-                     xbt_cfgelm_int, &default_value_int, 0, 1, _surf_cfg_cb__gtnets_jitter_seed, NULL);
+                     xbt_cfgelm_int, &default_value_int, 0, 1,
+                     _surf_cfg_cb__gtnets_jitter_seed, NULL);
 #endif
 
     if (!surf_path) {
       /* retrieves the current directory of the        current process */
       const char *initial_path = __surf_get_initial_path();
-      xbt_assert0((initial_path),
+      xbt_assert((initial_path),
                   "__surf_get_initial_path() failed! Can't resolves current Windows directory");
 
       surf_path = xbt_dynar_new(sizeof(char *), NULL);
-      xbt_cfg_set_string(_surf_cfg_set, "path", initial_path);
+      xbt_cfg_setdefault_string(_surf_cfg_set, "path", initial_path);
     }
 
 
     surf_config_cmd_line(argc, argv);
   } else {
-    WARN0("Call to surf_config_init() after initialization ignored");
+    XBT_WARN("Call to surf_config_init() after initialization ignored");
   }
 }
 
@@ -304,59 +450,65 @@ void surf_config_models_setup(const char *platform_file)
   int workstation_id = -1;
   char *network_model_name = NULL;
   char *cpu_model_name = NULL;
-  surf_timer_model_init(platform_file);
 
   workstation_model_name =
-    xbt_cfg_get_string(_surf_cfg_set, "workstation/model");
+      xbt_cfg_get_string(_surf_cfg_set, "workstation/model");
   network_model_name = xbt_cfg_get_string(_surf_cfg_set, "network/model");
   cpu_model_name = xbt_cfg_get_string(_surf_cfg_set, "cpu/model");
 
-  if ((strcmp(network_model_name,"LV08") || strcmp(cpu_model_name,"Cas01"))
-      && !strcmp(workstation_model_name, "CLM03")){
+  /* Check whether we use a net/cpu model differing from the default ones, in which case
+   * we should switch to the "compound" workstation model to correctly dispatch stuff to
+   * the right net/cpu models.
+   */
+  if ((strcmp(network_model_name, "LV08")
+       || strcmp(cpu_model_name, "Cas01"))
+      && !strcmp(workstation_model_name, "CLM03")) {
     const char *val = "compound";
-    INFO0("Switching workstation model to compound since you changed the network and/or cpu model(s)");
-    xbt_cfg_set_string(_surf_cfg_set,"workstation/model",val);
-    workstation_model_name = (char*)"compound";
+    XBT_INFO
+        ("Switching workstation model to compound since you changed the network and/or cpu model(s)");
+    xbt_cfg_set_string(_surf_cfg_set, "workstation/model", val);
+    workstation_model_name = (char *) "compound";
   }
 
-  DEBUG1("Workstation model: %s", workstation_model_name);
+  XBT_DEBUG("Workstation model: %s", workstation_model_name);
   workstation_id =
-    find_model_description(surf_workstation_model_description,
-                           workstation_model_name);
+      find_model_description(surf_workstation_model_description,
+                             workstation_model_name);
   if (!strcmp(workstation_model_name, "compound")) {
     int network_id = -1;
     int cpu_id = -1;
 
-    xbt_assert0(cpu_model_name,
-        "Set a cpu model to use with the 'compound' workstation model");
+    xbt_assert(cpu_model_name,
+                "Set a cpu model to use with the 'compound' workstation model");
 
-    xbt_assert0(network_model_name,
-        "Set a network model to use with the 'compound' workstation model");
+    xbt_assert(network_model_name,
+                "Set a network model to use with the 'compound' workstation model");
 
     network_id =
-      find_model_description(surf_network_model_description,
-                             network_model_name);
+        find_model_description(surf_network_model_description,
+                               network_model_name);
     cpu_id =
-      find_model_description(surf_cpu_model_description, cpu_model_name);
+        find_model_description(surf_cpu_model_description, cpu_model_name);
 
     surf_cpu_model_description[cpu_id].model_init_preparse(platform_file);
-    surf_network_model_description[network_id].
-      model_init_preparse(platform_file);
+    surf_network_model_description[network_id].model_init_preparse
+        (platform_file);
   }
 
-  DEBUG0("Call workstation_model_init");
+  XBT_DEBUG("Call workstation_model_init");
   surf_workstation_model_description[workstation_id].model_init_preparse
-    (platform_file);
+      (platform_file);
 }
 
 void surf_config_models_create_elms(void)
 {
   char *workstation_model_name =
-    xbt_cfg_get_string(_surf_cfg_set, "workstation/model");
+      xbt_cfg_get_string(_surf_cfg_set, "workstation/model");
   int workstation_id =
-    find_model_description(surf_workstation_model_description,
-                           workstation_model_name);
-  if (surf_workstation_model_description[workstation_id].
-      model_init_postparse != NULL)
-    surf_workstation_model_description[workstation_id].model_init_postparse();
+      find_model_description(surf_workstation_model_description,
+                             workstation_model_name);
+  if (surf_workstation_model_description
+      [workstation_id].model_init_postparse != NULL)
+    surf_workstation_model_description[workstation_id].model_init_postparse
+        ();
 }