-/* 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/misc.h"
-#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"
-#include "mc/mc.h" /* configuration callbacks of model-checking */
-
-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 (config cannot be changed yet);
- 1: initialized: cfg_set created (config can now be changed);
- 2: configured: command line parsed and config part of platform file was integrated also, platform construction ongoing or done.
- (Config cannot be changed anymore!) */
-
-/* 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 == 1,
- "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 == 1,
- "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 == 1,
- "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 == 1,
- "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 == 1,
- "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);
-
-#ifndef HAVE_MC
- if (_surf_do_model_check) {
- xbt_die("You tried to activate the model-checking from the command line, but it was not compiled in. Change your settings in cmake, recompile and try again");
- }
-#endif
-}
-
-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 */
- 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);
-
- /* ********************************************************************* */
- /* TUTORIAL: New model */
- sprintf(description,
- "The model to use for the New model. Possible values: ");
- p = description;
- while (*(++p) != '\0');
- for (i = 0; surf_new_model_description[i].name; i++)
- p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
- surf_new_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, "new_model/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);
-
-#ifdef HAVE_MC
- /* do model-checking */
- default_value_int = 0;
- xbt_cfg_register(&_surf_cfg_set, "model-check",
- "Verify the system through model-checking instead of simulating it (EXPERIMENTAL)",
- xbt_cfgelm_int, &default_value_int, 0, 1,
- _surf_cfg_cb_model_check, NULL);
-
- /* do stateful model-checking */
- default_value_int = 0;
- xbt_cfg_register(&_surf_cfg_set, "model-check/checkpoint",
- "Specify the amount of steps between checkpoints during stateful model-checking (default: 0 => stateless verification). "
- "If value=1, one checkpoint is saved for each step => faster verification, but huge memory consumption; higher values are good compromises between speed and memory consumption.",
- xbt_cfgelm_int, &default_value_int, 0, 1,
- _mc_cfg_cb_checkpoint, NULL);
-
- /* do liveness model-checking */
- default_value = xbt_strdup("");
- xbt_cfg_register(&_surf_cfg_set, "model-check/property",
- "Specify the name of the file containing the property. It must be the result of the ltl2ba program.",
- xbt_cfgelm_string, &default_value, 0, 1,
- _mc_cfg_cb_property, NULL);
-
- /* Specify the kind of model-checking reduction */
- default_value = xbt_strdup("unset");
- xbt_cfg_register(&_surf_cfg_set, "model-check/reduction",
- "Specify the kind of exploration reduction (either none or DPOR)",
- xbt_cfgelm_string, &default_value, 0, 1,
- _mc_cfg_cb_reduce, NULL);
-#endif
-
- /* 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);
-
- int default_small_messages_threshold = 0;
- xbt_cfg_register(&_surf_cfg_set, "smpi/async_small_thres",
- "Maximal size of messages that are to be sent asynchronously, without waiting for the receiver",
- xbt_cfgelm_int, &default_small_messages_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_init_status = 1;
-
- 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();
-
- /* ********************************************************************* */
- /* TUTORIAL: New model */
- int new_model_id = -1;
- char *new_model_name = NULL;
- new_model_name = xbt_cfg_get_string(_surf_cfg_set, "new_model/model");
- XBT_DEBUG("Call new model_init");
- new_model_id = find_model_description(surf_new_model_description, new_model_name);
- surf_new_model_description[new_model_id].model_init_preparse();
- /* ********************************************************************* */
-}
