X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/fac5f342fce327d587628f94e9dbfa5988c5a2c0..84b6ab29e2861d096c8d500c6bd56289bfe90664:/src/surf/surf_config.c diff --git a/src/surf/surf_config.c b/src/surf/surf_config.c index 7a46acd587..4cc63c8852 100644 --- a/src/surf/surf_config.c +++ b/src/surf/surf_config.c @@ -1,6 +1,5 @@ -/* $Id$ */ - -/* 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. */ @@ -10,13 +9,14 @@ #include "xbt/config.h" #include "xbt/str.h" #include "surf/surf_private.h" +#include "surf/surf_routing.h" /* COORD_HOST_LEVEL and COORD_ASR_LEVEL */ +#include "simix/context.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) { @@ -30,15 +30,34 @@ static void surf_config_cmd_line(int *argc, char **argv) opt++; xbt_cfg_set_parse(_surf_cfg_set, opt); - DEBUG1("Did apply '%s' as config setting", opt); + XBT_DEBUG("Did apply '%s' as config setting", opt); 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"); + ("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"); +#ifdef HAVE_TRACING + printf + ("\nYou can also use --help-tracing to see the details of all tracing options known by this simulator.\n"); +#endif + 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); +#ifdef HAVE_TRACING + }else + if (!strncmp + (argv[i], "--help-tracing", strlen("--help-tracing") + 1)) { + TRACE_help (1); exit(0); +#endif } if (remove_it) { /*remove this from argv */ for (j = i + 1; j < *argc; j++) { @@ -57,29 +76,40 @@ int _surf_init_status = 0; /* 0: beginning of time; 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; - xbt_assert0(_surf_init_status < 2, + xbt_assert(_surf_init_status < 2, "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; - xbt_assert0(_surf_init_status < 2, + 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); } @@ -89,63 +119,168 @@ static void _surf_cfg_cb__network_model(const char *name, int pos) { char *val; - xbt_assert0(_surf_init_status < 2, + 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); } -/* callback of the tcp gamma variable */ + +/* 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); +} + +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); +} + +/* 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); } -static void _surf_cfg_cb__surf_maxmin_selective_update(const char *name, int pos) +/* 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_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) { - sg_maxmin_selective_update = xbt_cfg_get_int(_surf_cfg_set, name); + 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__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_WARN("Cannot disable CMD prop coordinates, once set."); + } else { + XBT_WARN("Setting CMD prop coordinates must be \"yes\" or \"no\""); + } +} + +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(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); + +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 default_value_int; - int i; - - sprintf(description, "The model to use for the CPU. Possible values: "); + 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); + 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, @@ -153,12 +288,13 @@ void surf_config_init(int *argc, char **argv) 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); + 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, + "network/model", description, xbt_cfgelm_string, &default_value, 1, 1, &_surf_cfg_cb__network_model, NULL); @@ -167,62 +303,166 @@ void surf_config_init(int *argc, char **argv) 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); + 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, - &default_value, 1, 1, &_surf_cfg_cb__workstation_model, - NULL); + "workstation/model", description, xbt_cfgelm_string, + &default_value, 1, 1, + &_surf_cfg_cb__workstation_model, NULL); xbt_free(description); 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, 1, 1, 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); - xbt_cfg_set_double(_surf_cfg_set, "TCP_gamma", 20000.0); - + "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, "TCP_gamma", 20000.0); + + xbt_cfg_register(&_surf_cfg_set, "maxmin/precision", + "Minimum retained action value when updating simulation", + 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); + xbt_cfgelm_string, NULL, 0, 0, + _surf_cfg_cb__surf_path, NULL); - default_value_int = 0; + 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); + 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); + + /* + 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 verbose-exit */ + default_value_int = 0; + 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 Ko (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 for user contexts (EXPERIMENTAL)", + 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 = 1; + xbt_cfg_register(&_surf_cfg_set, "contexts/parallel_threshold", + "Minimal number of user contexts to be run in parallel", + xbt_cfgelm_int, &default_value_int, 1, 1, + _surf_cfg_cb_contexts_parallel_threshold, NULL); + + default_value = xbt_strdup("no"); + xbt_cfg_register(&_surf_cfg_set, "coordinates", + "\"yes\" or \"no\" (FIXME: document)", + xbt_cfgelm_string, &default_value, 1, 1, + _surf_cfg_cb__surf_network_coordinates, NULL); + xbt_cfg_setdefault_string(_surf_cfg_set, "coordinates", default_value); + + default_value_int = 0; + xbt_cfg_register(&_surf_cfg_set, "fullduplex", + "Activate the interferences between uploads and downloads for fluid max-min models (LV08, CM03)", + xbt_cfgelm_int, &default_value_int, 0, 1, + _surf_cfg_cb__surf_network_fullduplex, NULL); + xbt_cfg_setdefault_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); + "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); + 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 - if (!surf_path) { /* retrieves the current directory of the current process */ const char *initial_path = __surf_get_initial_path(); - xbt_assert0((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_set_string(_surf_cfg_set, "path", initial_path); + 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"); } } @@ -239,60 +479,69 @@ void surf_config_models_setup(const char *platform_file) { char *workstation_model_name; int workstation_id = -1; - - surf_timer_model_init(platform_file); + char *network_model_name = NULL; + char *cpu_model_name = NULL; workstation_model_name = - xbt_cfg_get_string(_surf_cfg_set, "workstation_model"); - 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,"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"; + 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((!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"; } - DEBUG1("Workstation model: %s", workstation_model_name); + XBT_DEBUG("Workstation model: %s", workstation_model_name); workstation_id = - find_model_description(surf_workstation_model_description, - workstation_model_name); + 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_assert0(cpu_model_name, - "Set a cpu model to use with the 'compound' workstation model"); + xbt_assert(cpu_model_name, + "Set a cpu model to use with the 'compound' workstation model"); - xbt_assert0(network_model_name, - "Set a network 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); + find_model_description(surf_network_model_description, + network_model_name); cpu_id = - find_model_description(surf_cpu_model_description, cpu_model_name); + find_model_description(surf_cpu_model_description, cpu_model_name); surf_cpu_model_description[cpu_id].model_init_preparse(platform_file); - surf_network_model_description[network_id]. - model_init_preparse(platform_file); + surf_network_model_description[network_id].model_init_preparse + (platform_file); } - DEBUG0("Call workstation_model_init"); + XBT_DEBUG("Call workstation_model_init"); surf_workstation_model_description[workstation_id].model_init_preparse - (platform_file); + (platform_file); } 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); - if (surf_workstation_model_description[workstation_id]. - model_init_postparse != NULL) - surf_workstation_model_description[workstation_id].model_init_postparse(); + find_model_description(surf_workstation_model_description, + workstation_model_name); + if (surf_workstation_model_description + [workstation_id].model_init_postparse != NULL) + surf_workstation_model_description[workstation_id].model_init_postparse + (); }