Corrected jitter, now oscillates between [-lat*jitter,+lat*jitter), mean is granted...

[simgrid.git] / src / surf / surf_config.c

diff --git a/src/surf/surf_config.c b/src/surf/surf_config.c
index a9e2ba2..649e6fe 100644 (file)
--- a/src/surf/surf_config.c
+++ b/src/surf/surf_config.c
@@ -15,7 +15,9 @@ 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;
-
+#ifdef HAVE_GTNETS
+extern double sg_gtnets_jitter;
+#endif
 
 /* Parse the command line, looking for options */
 static void surf_config_cmd_line(int *argc, char **argv)
@@ -114,6 +116,12 @@ 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);
 }
 
+#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);
+}
+#endif
+
 /* create the config set, register what should be and parse the command line*/
 void surf_config_init(int *argc, char **argv)
 {
@@ -147,7 +155,7 @@ void surf_config_init(int *argc, char **argv)
       p +=
         sprintf(p, "%s%s", (i == 0 ? "" : ", "),
                 surf_network_model_description[i].name);
-    default_value = xbt_strdup("CM02");
+    default_value = xbt_strdup("LV08");
     xbt_cfg_register(&_surf_cfg_set,
                      "network_model", description, xbt_cfgelm_string,
                      &default_value, 1, 1, &_surf_cfg_cb__network_model,
@@ -189,6 +197,14 @@ void surf_config_init(int *argc, char **argv)
     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);
+
+#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", 1.0);
+#endif
+
     if (!surf_path) {
       /* retrieves the current directory of the        current process */
       const char *initial_path = __surf_get_initial_path();
@@ -225,7 +241,7 @@ void surf_config_models_setup(const char *platform_file)
   char *network_model_name = xbt_cfg_get_string(_surf_cfg_set, "network_model");
   char *cpu_model_name = xbt_cfg_get_string(_surf_cfg_set, "cpu_model");
 
-  if ((strcmp(network_model_name,"CM02") || strcmp(cpu_model_name,"Cas01"))
+  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)");