+ /* platform method */
+ char *default_tracing_platform_method = xbt_strdup ("b");
+ xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_PLATFORM_METHOD,
+ "Tracing method used to register categorized resource behavior.",
+ xbt_cfgelm_string, &default_tracing_platform_method, 1, 1,
+ NULL, NULL);
+