-/* $Id$ */
-
-/* Copyright (c) 2009 The SimGrid team. All rights reserved. */
+/* 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. */
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);
- remove_it = 1;
+ printf("\nYou can also use --help-models to see the details of all models known by this simulator.\n");
+ 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);
exit(0);
}
if (remove_it) { /*remove this from argv */
1: pre-inited (cfg_set created);
2: inited (running) */
-/* callback of the workstation_model variable */
+/* callback of the workstation/model variable */
static void _surf_cfg_cb__workstation_model(const char *name, int pos)
{
char *val;
"Cannot change the model after the initialization");
val = xbt_cfg_get_string(_surf_cfg_set, name);
- /* New Module missing */
+ 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 */
+/* callback of the cpu/model variable */
static void _surf_cfg_cb__cpu_model(const char *name, int pos)
{
char *val;
"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);
}
"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);
}
-/* callback of the tcp gamma variable */
-static void _surf_cfg_cb__tcp_gamma(const char *name, int pos)
-{
+
+/* 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__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);
+}
+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_path(const char *name, int pos)
-{
+/* 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"
+int _surf_do_model_check = 0; /* this variable is used accros the lib */
+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();
+}
+
+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_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;
- char *description = xbt_malloc(1024), *p = description;
- char *default_value;
- int i;
-
sprintf(description, "The model to use for the CPU. Possible values: ");
p = description;
while (*(++p) != '\0');
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,
+ "cpu/model", description, xbt_cfgelm_string,
&default_value, 1, 1, &_surf_cfg_cb__cpu_model, NULL);
sprintf(description,
p +=
sprintf(p, "%s%s", (i == 0 ? "" : ", "),
surf_network_model_description[i].name);
- default_value = xbt_strdup("CM02");
+ 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,
+ "network/model", description, xbt_cfgelm_string,
&default_value, 1, 1, &_surf_cfg_cb__network_model,
NULL);
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,
+ "workstation/model", description, xbt_cfgelm_string,
&default_value, 1, 1, &_surf_cfg_cb__workstation_model,
NULL);
default_value = xbt_strdup("Full");
xbt_cfg_register(&_surf_cfg_set, "routing",
"Model to use to store the routing information",
- xbt_cfgelm_string, &default_value, 0, 0, NULL,
- NULL);
+ xbt_cfgelm_string, &default_value, 1, 1, NULL, NULL);
xbt_cfg_register(&_surf_cfg_set, "TCP_gamma",
- "Size of the biggest TCP window", xbt_cfgelm_double,
- NULL, 1, 1, _surf_cfg_cb__tcp_gamma, NULL);
+ "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);
+ /* The parameters of network models */
+ 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, "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);
+
+ /* 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);
+
+ default_value_int = 0;
+ xbt_cfg_register(&_surf_cfg_set, "fullduplex",
+ "Update the constraint set propagating recursively to others constraints",
+ xbt_cfgelm_int, &default_value_int, 0, 1, _surf_cfg_cb__surf_network_fullduplex, NULL);
+ xbt_cfg_set_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);
+
+ 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
+
if (!surf_path) {
/* retrieves the current directory of the current process */
const char *initial_path = __surf_get_initial_path();
surf_config_cmd_line(argc, argv);
+ } else {
+ WARN0("Call to surf_config_init() after initialization ignored");
}
}
{
char *workstation_model_name;
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");
+
+ /* 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";
+ }
- DEBUG1("Model : %s", workstation_model_name);
+ DEBUG1("Workstation model: %s", workstation_model_name);
workstation_id =
find_model_description(surf_workstation_model_description,
workstation_model_name);
if (!strcmp(workstation_model_name, "compound")) {
- xbt_ex_t e;
- char *network_model_name = NULL;
- char *cpu_model_name = NULL;
int network_id = -1;
int cpu_id = -1;
- TRY {
- cpu_model_name = xbt_cfg_get_string(_surf_cfg_set, "cpu_model");
- } CATCH(e) {
- if (e.category == bound_error) {
- xbt_assert0(0,
- "Set a cpu model to use with the 'compound' workstation model");
- xbt_ex_free(e);
- } else {
- RETHROW;
- }
- }
+ xbt_assert0(cpu_model_name,
+ "Set a cpu model to use with the 'compound' workstation model");
- TRY {
- network_model_name = xbt_cfg_get_string(_surf_cfg_set, "network_model");
- }
- CATCH(e) {
- if (e.category == bound_error) {
- xbt_assert0(0,
- "Set a network model to use with the 'compound' workstation model");
- xbt_ex_free(e);
- } else {
- RETHROW;
- }
- }
+ xbt_assert0(network_model_name,
+ "Set a network model to use with the 'compound' workstation model");
network_id =
find_model_description(surf_network_model_description,
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);
