X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/997b2f3f37f1b2ee77b2dfbf82c70e183a5ed5f3..01c70260177e586af94f9d221f9a5e616d8a504f:/src/surf/surf_config.c

diff --git a/src/surf/surf_config.c b/src/surf/surf_config.c
index 1c0da25434..8b13789179 100644
--- a/src/surf/surf_config.c
+++ b/src/surf/surf_config.c
@@ -1,716 +1 @@
-/* Copyright (c) 2009, 2010. 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. */
-
-/* surf_config: configuration infrastructure for the simulation world       */
-
-#include "xbt/config.h"
-#include "xbt/log.h"
-#include "xbt/str.h"
-#include "surf/surf_private.h"
-#include "surf/surf_routing.h"  /* COORD_HOST_LEVEL and COORD_ASR_LEVEL */
-#include "simgrid/simix.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)
-{
-  int shall_exit = 0;
-  int i, j;
-  char *opt;
-
-  for (j = i = 1; i < *argc; i++) {
-    if (!strncmp(argv[i], "--cfg=", strlen("--cfg="))) {
-      opt = strchr(argv[i], '=');
-      opt++;
-
-      xbt_cfg_set_parse(_surf_cfg_set, opt);
-      XBT_DEBUG("Did apply '%s' as config setting", opt);
-    } else if (!strcmp(argv[i], "--cfg-help") || !strcmp(argv[i], "--help")) {
-      printf
-          ("Description of the configuration accepted by this simulator:\n");
-      xbt_cfg_help(_surf_cfg_set);
-      printf(
-"\n"
-"Each of these configurations can be used by adding\n"
-"    --cfg=<option name>:<option value>\n"
-"to the command line.\n"
-"You can also use --help-models to see the details of all models known by this simulator.\n"
-#ifdef HAVE_TRACING
-"\n"
-"You can also use --help-tracing to see the details of all tracing options known by this simulator.\n"
-#endif
-"\n"
-"You can also use --help-logs and --help-log-categories to see the details of logging output.\n"
-"\n"
-        );
-      shall_exit = 1;
-    } else if (!strcmp(argv[i], "--help-models")) {
-      int k;
-
-      model_help("workstation", surf_workstation_model_description);
-      printf("\n");
-      model_help("CPU", surf_cpu_model_description);
-      printf("\n");
-      model_help("network", surf_network_model_description);
-      printf("\nLong description of all optimization levels accepted by the models of this simulator:\n");
-      for (k = 0; surf_optimization_mode_description[k].name; k++)
-        printf("  %s: %s\n",
-               surf_optimization_mode_description[k].name,
-               surf_optimization_mode_description[k].description);
-      printf("Both network and CPU models have 'Lazy' as default optimization level\n\n");
-      shall_exit = 1;
-#ifdef HAVE_TRACING
-    } else if (!strcmp(argv[i], "--help-tracing")) {
-      TRACE_help (1);
-      shall_exit = 1;
-#endif
-    } else {
-      argv[j++] = argv[i];
-    }
-  }
-  if (j < *argc) {
-    argv[j] = NULL;
-    *argc = j;
-  }
-  if (shall_exit)
-    exit(0);
-}
-
-
-int _surf_init_status = 0;      /* 0: beginning of time;
-                                   1: pre-inited (cfg_set created);
-                                   2: inited (running) */
-
-/* callback of the workstation/model variable */
-static void _surf_cfg_cb__workstation_model(const char *name, int pos)
-{
-  char *val;
-
-  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);
-    exit(0);
-  }
-
-  /* Make sure that the model exists */
-  find_model_description(surf_workstation_model_description, val);
-}
-
-/* callback of the cpu/model variable */
-static void _surf_cfg_cb__cpu_model(const char *name, int pos)
-{
-  char *val;
-
-  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);
-    exit(0);
-  }
-
-  /* New Module missing */
-  find_model_description(surf_cpu_model_description, val);
-}
-
-/* callback of the cpu/model variable */
-static void _surf_cfg_cb__optimization_mode(const char *name, int pos)
-{
-  char *val;
-
-  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("optimization", surf_optimization_mode_description);
-    exit(0);
-  }
-
-  /* New Module missing */
-  find_model_description(surf_optimization_mode_description, val);
-}
-
-/* callback of the cpu/model variable */
-static void _surf_cfg_cb__storage_mode(const char *name, int pos)
-{
-  char *val;
-
-  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("storage", surf_storage_model_description);
-    exit(0);
-  }
-
-  /* New Module missing */
-  find_model_description(surf_storage_model_description, val);
-}
-
-/* callback of the workstation_model variable */
-static void _surf_cfg_cb__network_model(const char *name, int pos)
-{
-  char *val;
-
-  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);
-    exit(0);
-  }
-
-  /* New Module missing */
-  find_model_description(surf_network_model_description, val);
-}
-
-
-/* callbacks of the network models values */
-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__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)
-{
-  sg_bandwidth_factor = xbt_cfg_get_double(_surf_cfg_set, name);
-}
-
-static void _surf_cfg_cb__weight_S(const char *name, int pos)
-{
-  sg_weight_S_parameter = xbt_cfg_get_double(_surf_cfg_set, name);
-}
-
-/* callback of the inclusion path */
-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"
-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);
-
-  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_mc_checkpoint;
-
-static void _surf_cfg_cb_mc_checkpoint(const char *name, int pos)
-{
-  _surf_do_mc_checkpoint = xbt_cfg_get_int(_surf_cfg_set, name);
-}
-
-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_contexts_parallel_mode(const char *name, int pos)
-{
-  const char* mode_name = xbt_cfg_get_string(_surf_cfg_set, name);
-  if (!strcmp(mode_name, "posix")) {
-    SIMIX_context_set_parallel_mode(XBT_PARMAP_POSIX);
-  }
-  else if (!strcmp(mode_name, "futex")) {
-    SIMIX_context_set_parallel_mode(XBT_PARMAP_FUTEX);
-  }
-  else if (!strcmp(mode_name, "busy_wait")) {
-    SIMIX_context_set_parallel_mode(XBT_PARMAP_BUSY_WAIT);
-  }
-  else {
-    xbt_die("Command line setting of the parallel synchronization mode should "
-        "be one of \"posix\", \"futex\" or \"busy_wait\"");
-  }
-}
-
-static void _surf_cfg_cb_surf_nthreads(const char *name, int pos)
-{
-  surf_set_nthreads(xbt_cfg_get_int(_surf_cfg_set, name));
-}
-
-static void _surf_cfg_cb__surf_network_coordinates(const char *name,
-                                                   int pos)
-{
-  char *val = xbt_cfg_get_string(_surf_cfg_set, name);
-  if (!strcmp(val, "yes")) {
-    if (!COORD_HOST_LEVEL) {
-      COORD_HOST_LEVEL = xbt_lib_add_level(host_lib,xbt_dynar_free_voidp);
-      COORD_ASR_LEVEL  = xbt_lib_add_level(as_router_lib,xbt_dynar_free_voidp);
-    }
-  } else if (!strcmp(val, "no")) {
-    if (COORD_HOST_LEVEL)
-      xbt_die("Setting of whether to use coordinate cannot be disabled once set.");
-  } else {
-    xbt_die("Command line setting of whether to use coordinates must be either \"yes\" or \"no\"");
-  }
-}
-
-static void _surf_cfg_cb__surf_network_crosstraffic(const char *name,
-                                                  int pos)
-{
-  sg_network_crosstraffic = 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_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;
-
-  /* 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: ");
-    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)");
-    default_value = xbt_strdup("Cas01");
-    xbt_cfg_register(&_surf_cfg_set, "cpu/model", description, xbt_cfgelm_string,
-                     &default_value, 1, 1, &_surf_cfg_cb__cpu_model, NULL);
-
-    sprintf(description,
-            "The optimization modes to use for the CPU. Possible values: ");
-    p = description;
-    while (*(++p) != '\0');
-    for (i = 0; surf_optimization_mode_description[i].name; i++)
-      p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
-                   surf_optimization_mode_description[i].name);
-    sprintf(p,
-            ".\n       (use 'help' as a value to see the long description of each optimization mode)");
-    default_value = xbt_strdup("Lazy");
-    xbt_cfg_register(&_surf_cfg_set, "cpu/optim", description, xbt_cfgelm_string,
-                     &default_value, 1, 1, &_surf_cfg_cb__optimization_mode, NULL);
-
-    sprintf(description,
-            "The model to use for the storage. Possible values: ");
-    p = description;
-    while (*(++p) != '\0');
-    for (i = 0; surf_storage_model_description[i].name; i++)
-      p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
-                   surf_storage_model_description[i].name);
-    sprintf(p,
-            ".\n       (use 'help' as a value to see the long description of each model)");
-    default_value = xbt_strdup("default");
-    xbt_cfg_register(&_surf_cfg_set, "storage/model", description, xbt_cfgelm_string,
-                     &default_value, 1, 1, &_surf_cfg_cb__storage_mode,
-                     NULL);
-
-    sprintf(description,
-            "The model to use for the network. Possible values: ");
-    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)");
-    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,
-                     NULL);
-
-    sprintf(description,
-            "The optimization modes to use for the network. Possible values: ");
-    p = description;
-    while (*(++p) != '\0');
-    for (i = 0; surf_optimization_mode_description[i].name; i++)
-      p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
-                   surf_optimization_mode_description[i].name);
-    sprintf(p,
-            ".\n       (use 'help' as a value to see the long description of each optimization mode)");
-    default_value = xbt_strdup("Lazy");
-    xbt_cfg_register(&_surf_cfg_set, "network/optim", description, xbt_cfgelm_string,
-                     &default_value, 1, 1, &_surf_cfg_cb__optimization_mode, NULL);
-
-    sprintf(description,
-            "The model to use for the workstation. Possible values: ");
-    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)");
-    default_value = xbt_strdup("default");
-    xbt_cfg_register(&_surf_cfg_set, "workstation/model", description, xbt_cfgelm_string,
-                     &default_value, 1, 1,
-                     &_surf_cfg_cb__workstation_model, NULL);
-
-    xbt_free(description);
-
-    xbt_cfg_register(&_surf_cfg_set, "network/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_setdefault_double(_surf_cfg_set, "network/TCP_gamma", 20000.0);
-
-    xbt_cfg_register(&_surf_cfg_set, "maxmin/precision",
-                     "Numerical precision used when updating simulation models (epsilon in double comparisons)",
-                     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);
-    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);
-    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);
-
-    /* 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);
-
-    default_value_int = 0;
-    xbt_cfg_register(&_surf_cfg_set, "cpu/maxmin_selective_update",
-                     "Update the constraint set propagating recursively to others constraints (1 by default when optim is set to lazy)",
-                     xbt_cfgelm_int, &default_value_int, 0, 1,
-                     NULL, NULL);
-    default_value_int = 0;
-    xbt_cfg_register(&_surf_cfg_set, "network/maxmin_selective_update",
-                     "Update the constraint set propagating recursively to others constraints (1 by default when optim is set to lazy)",
-                     xbt_cfgelm_int, &default_value_int, 0, 1,
-                     NULL, 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);
-    
-    /*
-       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 stateful model-check */
-    default_value_int = 0;
-    xbt_cfg_register(&_surf_cfg_set, "mc-checkpoint",
-                     "Activate the stateful model-checking of the \"simulated\" system (EXPERIMENTAL -- msg only for now), value corresponding to steps between each checkpoint",
-                     xbt_cfgelm_int, &default_value_int, 0, 1,
-                     _surf_cfg_cb_model_check, NULL);
-    
-
-    /* do verbose-exit */
-    default_value_int = 1;
-    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 Kib (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 used to execute user contexts",
-                     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 = 2;
-    xbt_cfg_register(&_surf_cfg_set, "contexts/parallel_threshold",
-        "Minimal number of user contexts to be run in parallel (raw contexts only)",
-        xbt_cfgelm_int, &default_value_int, 1, 1,
-        _surf_cfg_cb_contexts_parallel_threshold, NULL);
-
-    /* synchronization mode for parallel user contexts */
-#ifdef HAVE_FUTEX_H
-    default_value = xbt_strdup("futex");
-#else //No futex on mac and posix is unimplememted yet
-    default_value = xbt_strdup("busy_wait");
-#endif
-    xbt_cfg_register(&_surf_cfg_set, "contexts/synchro",
-        "Synchronization mode to use when running contexts in parallel (either futex, posix or busy_wait)",
-        xbt_cfgelm_string, &default_value, 1, 1,
-        _surf_cfg_cb_contexts_parallel_mode, NULL);
-
-    /* number of parallel threads for Surf */
-    default_value_int = surf_get_nthreads();
-    xbt_cfg_register(&_surf_cfg_set, "surf/nthreads",
-                     "Number of parallel threads used to update Surf models",
-                     xbt_cfgelm_int, &default_value_int, 1, 1,
-                     _surf_cfg_cb_surf_nthreads, NULL);
-
-    default_value = xbt_strdup("no");
-    xbt_cfg_register(&_surf_cfg_set, "network/coordinates",
-                     "\"yes\" or \"no\", specifying whether we use a coordinate-based routing (as Vivaldi)",
-                     xbt_cfgelm_string, &default_value, 1, 1,
-                     _surf_cfg_cb__surf_network_coordinates, NULL);
-    xbt_cfg_setdefault_string(_surf_cfg_set, "network/coordinates", default_value);
-
-    default_value_int = 0;
-    xbt_cfg_register(&_surf_cfg_set, "network/crosstraffic",
-                     "Activate the interferences between uploads and downloads for fluid max-min models (LV08, CM02)",
-                     xbt_cfgelm_int, &default_value_int, 0, 1,
-                     _surf_cfg_cb__surf_network_crosstraffic, NULL);
-    xbt_cfg_setdefault_int(_surf_cfg_set, "network/crosstraffic", 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_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);
-#endif
-#ifdef HAVE_NS3
-    xbt_cfg_register(&_surf_cfg_set, "ns3/TcpModel",
-                     "The ns3 tcp model can be : NewReno or Reno or Tahoe",
-                     xbt_cfgelm_string, NULL, 1, 1,
-                     NULL, NULL);
-    xbt_cfg_setdefault_string(_surf_cfg_set, "ns3/TcpModel", "default");
-#endif
-
-//SMPI
-    double default_reference_speed = 20000.0;
-    xbt_cfg_register(&_surf_cfg_set, "smpi/running_power",
-                     "Power of the host running the simulation (in flop/s). Used to bench the operations.",
-                     xbt_cfgelm_double, &default_reference_speed, 1, 1, NULL,
-                     NULL);
-
-    int default_display_timing = 0;
-    xbt_cfg_register(&_surf_cfg_set, "smpi/display_timing",
-                     "Boolean indicating whether we should display the timing after simulation.",
-                     xbt_cfgelm_int, &default_display_timing, 1, 1, NULL,
-                     NULL);
-
-    double default_threshold = 1e-6;
-    xbt_cfg_register(&_surf_cfg_set, "smpi/cpu_threshold",
-                     "Minimal computation time (in seconds) not discarded.",
-                     xbt_cfgelm_double, &default_threshold, 1, 1, NULL,
-                     NULL);
-
-    //For smpi/bw_factor and smpi/lat_factor
-    //Default value have to be "threshold0:value0;threshold1:value1;...;thresholdN:valueN"
-    //test is if( size >= thresholdN ) return valueN;
-    //Values can be modified with command line --cfg=smpi/bw_factor:"threshold0:value0;threshold1:value1;...;thresholdN:valueN"
-    //  or with tag config put line <prop id="smpi/bw_factor" value="threshold0:value0;threshold1:value1;...;thresholdN:valueN"></prop>
-    xbt_cfg_register(&_surf_cfg_set, "smpi/bw_factor",
-                     "Bandwidth factors for smpi.",
-                     xbt_cfgelm_string, NULL, 1, 1, NULL,
-                     NULL);
-    xbt_cfg_setdefault_string(_surf_cfg_set, "smpi/bw_factor", "65472:0.940694;15424:0.697866;9376:0.58729;5776:1.08739;3484:0.77493;1426:0.608902;732:0.341987;257:0.338112;0:0.812084");
-
-    xbt_cfg_register(&_surf_cfg_set, "smpi/lat_factor",
-                     "Latency factors for smpi.",
-                     xbt_cfgelm_string, NULL, 1, 1, NULL,
-                     NULL);
-    xbt_cfg_setdefault_string(_surf_cfg_set, "smpi/lat_factor", "65472:11.6436;15424:3.48845;9376:2.59299;5776:2.18796;3484:1.88101;1426:1.61075;732:1.9503;257:1.95341;0:2.01467");
-//END SMPI
-
-
-    if (!surf_path) {
-      /* retrieves the current directory of the        current process */
-      const char *initial_path = __surf_get_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_setdefault_string(_surf_cfg_set, "path", initial_path);
-    }
-
-
-    surf_config_cmd_line(argc, argv);
-  } else {
-    XBT_WARN("Call to surf_config_init() after initialization ignored");
-  }
-}
-
-void surf_config_finalize(void)
-{
-  if (!_surf_init_status)
-    return;                     /* Not initialized yet. Nothing to do */
-
-  xbt_cfg_free(&_surf_cfg_set);
-  _surf_init_status = 0;
-}
-
-/* Pick the right models for CPU, net and workstation, and call their model_init_preparse */
-void surf_config_models_setup()
-{
-  char *workstation_model_name;
-  int workstation_id = -1;
-  char *network_model_name = NULL;
-  char *cpu_model_name = NULL;
-  int storage_id = -1;
-  char *storage_model_name = NULL;
-
-  workstation_model_name =
-      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");
-  storage_model_name = xbt_cfg_get_string(_surf_cfg_set, "storage/model");
-
-  /* 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((!xbt_cfg_is_default_value(_surf_cfg_set, "network/model") ||
-    !xbt_cfg_is_default_value(_surf_cfg_set, "cpu/model")) &&
-    xbt_cfg_is_default_value(_surf_cfg_set, "workstation/model"))
-  {
-      const char *val = "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";
-  }
-
-  XBT_DEBUG("Workstation model: %s", workstation_model_name);
-  workstation_id =
-      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_assert(cpu_model_name,
-                "Set a cpu 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);
-    cpu_id =
-        find_model_description(surf_cpu_model_description, cpu_model_name);
-
-    surf_cpu_model_description[cpu_id].model_init_preparse();
-    surf_network_model_description[network_id].model_init_preparse();
-  }
-
-  XBT_DEBUG("Call workstation_model_init");
-  surf_workstation_model_description[workstation_id].model_init_preparse();
-
-  XBT_DEBUG("Call storage_model_init");
-  storage_id = find_model_description(surf_storage_model_description, storage_model_name);
-  surf_storage_model_description[storage_id].model_init_preparse();
-}