X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/1d7e3a2e8972e8c73f7dbc86c267de64e4838c9d..3e9453209f1da7deb92fe629428e49f3528217bd:/src/simgrid/sg_config.cpp diff --git a/src/simgrid/sg_config.cpp b/src/simgrid/sg_config.cpp index 6a5a71f426..ddaec3f509 100644 --- a/src/simgrid/sg_config.cpp +++ b/src/simgrid/sg_config.cpp @@ -1,4 +1,4 @@ -/* Copyright (c) 2009-2022. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2009-2023. 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. */ @@ -8,18 +8,23 @@ #include #include #include +#include -#include "simgrid/sg_config.hpp" #include "src/instr/instr_private.hpp" #include "src/internal_config.h" #include "src/kernel/context/Context.hpp" #include "src/kernel/lmm/maxmin.hpp" +#include "src/kernel/resource/NetworkModel.hpp" #include "src/mc/mc_config.hpp" #include "src/mc/mc_replay.hpp" +#include "src/simgrid/module.hpp" +#include "src/simgrid/sg_config.hpp" #include "src/smpi/include/smpi_config.hpp" -#include "src/surf/surf_interface.hpp" +#include "src/xbt/mmalloc/mmalloc.h" -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_config, surf, "About the configuration of SimGrid"); +#include + +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(config, kernel, "About the configuration of SimGrid"); static simgrid::config::Flag cfg_continue_after_help {"help-nostop", "Do not stop the execution when --help is found", false}; @@ -89,15 +94,11 @@ static void sg_config_cmd_line(int *argc, char **argv) XBT_HELP("Please consider using the recent names"); shall_exit = true; } else if (parse_args && not strcmp(argv[i], "--help-models")) { - model_help("host", surf_host_model_description); + simgrid_host_models().help(); XBT_HELP("%s", ""); - model_help("CPU", surf_cpu_model_description); + simgrid_cpu_models().help(); XBT_HELP("%s", ""); - model_help("network", surf_network_model_description); - XBT_HELP("\nLong description of all optimization levels accepted by the models of this simulator:"); - for (auto const& item : surf_optimization_mode_description) - XBT_HELP(" %s: %s", item.name, item.description); - XBT_HELP("Both network and CPU models have 'Lazy' as default optimization level\n"); + simgrid_network_models().help(); shall_exit = true; } else if (parse_args && not strcmp(argv[i], "--help-tracing")) { TRACE_help(); @@ -114,121 +115,20 @@ static void sg_config_cmd_line(int *argc, char **argv) exit(0); } -/* callback of the plugin variable */ -static void _sg_cfg_cb__plugin(const std::string& value) -{ - xbt_assert(_sg_cfg_init_status < 2, "Cannot load a plugin after the initialization"); - - if (value.empty()) - return; - - if (value == "help") { - model_help("plugin", surf_plugin_description()); - exit(0); - } - - const auto* plugin = find_model_description(surf_plugin_description(), value); - plugin->model_init_preparse(); -} - -/* callback of the host/model variable */ -static void _sg_cfg_cb__host_model(const std::string& value) -{ - xbt_assert(_sg_cfg_init_status < 2, "Cannot change the model after the initialization"); - - if (value == "help") { - model_help("host", surf_host_model_description); - exit(0); - } - - /* Make sure that the model exists */ - find_model_description(surf_host_model_description, value); -} - -/* callback of the cpu/model variable */ -static void _sg_cfg_cb__cpu_model(const std::string& value) -{ - xbt_assert(_sg_cfg_init_status < 2, "Cannot change the model after the initialization"); - - if (value == "help") { - model_help("CPU", surf_cpu_model_description); - exit(0); - } - - /* New Module missing */ - find_model_description(surf_cpu_model_description, value); -} - -/* callback of the cpu/model variable */ -static void _sg_cfg_cb__optimization_mode(const std::string& value) -{ - xbt_assert(_sg_cfg_init_status < 2, "Cannot change the model after the initialization"); - - if (value == "help") { - model_help("optimization", surf_optimization_mode_description); - exit(0); - } - - /* New Module missing */ - find_model_description(surf_optimization_mode_description, value); -} - -static void _sg_cfg_cb__disk_model(const std::string& value) -{ - xbt_assert(_sg_cfg_init_status < 2, "Cannot change the model after the initialization"); - - if (value == "help") { - model_help("disk", surf_disk_model_description); - exit(0); - } - - find_model_description(surf_disk_model_description, value); -} - -/* callback of the network_model variable */ -static void _sg_cfg_cb__network_model(const std::string& value) -{ - xbt_assert(_sg_cfg_init_status < 2, "Cannot change the model after the initialization"); - - if (value == "help") { - model_help("network", surf_network_model_description); - exit(0); - } - - /* New Module missing */ - find_model_description(surf_network_model_description, value); -} - -static void _sg_cfg_cb_contexts_parallel_mode(const std::string& mode_name) +static void _sg_cfg_cb_contexts_parallel_mode(std::string_view mode_name) { if (mode_name == "posix") { - simgrid::kernel::context::set_parallel_mode(XBT_PARMAP_POSIX); + simgrid::kernel::context::Context::parallel_mode = XBT_PARMAP_POSIX; } else if (mode_name == "futex") { - simgrid::kernel::context::set_parallel_mode(XBT_PARMAP_FUTEX); + simgrid::kernel::context::Context::parallel_mode = XBT_PARMAP_FUTEX; } else if (mode_name == "busy_wait") { - simgrid::kernel::context::set_parallel_mode(XBT_PARMAP_BUSY_WAIT); + simgrid::kernel::context::Context::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\""); } } -/* build description line with possible values */ -static void declare_model_flag(const std::string& name, const std::string& value, - const std::function& callback, - const std::vector& model_description, const std::string& type, - const std::string& descr) -{ - std::string description = descr + ". Possible values: "; - std::string sep = ""; - for (auto const& item : model_description) { - description += sep + item.name; - sep = ", "; - } - description += ".\n (use 'help' as a value to see the long description of each " + type + ")"; - simgrid::config::declare_flag(name, description, value, callback); -} - /* create the config set, register what should be and parse the command line*/ void sg_config_init(int *argc, char **argv) { @@ -238,28 +138,17 @@ void sg_config_init(int *argc, char **argv) return; } - /* Plugins configuration */ - declare_model_flag("plugin", "", &_sg_cfg_cb__plugin, surf_plugin_description(), "plugin", "The plugins"); - - declare_model_flag("cpu/model", "Cas01", &_sg_cfg_cb__cpu_model, surf_cpu_model_description, "model", - "The model to use for the CPU"); - - declare_model_flag("disk/model", "default", &_sg_cfg_cb__disk_model, surf_disk_model_description, "model", - "The model to use for the disk"); - - declare_model_flag("network/model", "LV08", &_sg_cfg_cb__network_model, surf_network_model_description, "model", - "The model to use for the network"); - - declare_model_flag("network/optim", "Lazy", &_sg_cfg_cb__optimization_mode, surf_optimization_mode_description, - "optimization mode", "The optimization modes to use for the network"); - - declare_model_flag("host/model", "default", &_sg_cfg_cb__host_model, surf_host_model_description, "model", - "The model to use for the host"); + /* Plugins and models configuration */ + simgrid_plugins().create_flag("plugin", "The plugins", "", true); + simgrid_cpu_models().create_flag("cpu/model", "The model to use for the CPU", "Cas01", false); + simgrid_network_models().create_flag("network/model", "The model to use for the network", "LV08", false); + simgrid_host_models().create_flag("host/model", "The model to use for the host", "default", false); + simgrid_disk_models().create_flag("disk/model", "The model to use for the disk", "S19", false); - simgrid::config::bind_flag(sg_surf_precision, "surf/precision", + simgrid::config::bind_flag(sg_precision_timing, "precision/timing", {"surf/precision"}, "Numerical precision used when updating simulation times (in seconds)"); - simgrid::config::bind_flag(sg_maxmin_precision, "maxmin/precision", + simgrid::config::bind_flag(sg_precision_workamount, "precision/work-amount", {"maxmin/precision"}, "Numerical precision used when computing resource sharing (in flops/sec or bytes/sec)"); simgrid::config::bind_flag(sg_concurrency_limit, "maxmin/concurrency-limit", @@ -267,21 +156,6 @@ void sg_config_init(int *argc, char **argv) "processes on each host, at higher level. (default: -1 means no such limitation)"); /* The parameters of network models */ - - sg_latency_factor = 13.01; // comes from the default LV08 network model - simgrid::config::bind_flag(sg_latency_factor, "network/latency-factor", - "Correction factor to apply to the provided latency (default value set by network model)"); - - sg_bandwidth_factor = 0.97; // comes from the default LV08 network model - simgrid::config::bind_flag( - sg_bandwidth_factor, "network/bandwidth-factor", - "Correction factor to apply to the provided bandwidth (default value set by network model)"); - - sg_weight_S_parameter = 20537; // comes from the default LV08 network model - simgrid::config::bind_flag( - sg_weight_S_parameter, "network/weight-S", - "Correction factor to apply to the weight of competing streams (default value set by network model)"); - static simgrid::config::Flag _sg_network_loopback_latency{ "network/loopback-lat", "For network models with an implicit loopback link (L07, CM02, LV08), " @@ -296,9 +170,9 @@ void sg_config_init(int *argc, char **argv) /* Inclusion path */ static simgrid::config::Flag cfg_path{ - "path", "Lookup path for inclusions in platform and deployment XML files", "", [](std::string const& path) { + "path", "Lookup path for inclusions in platform and deployment XML files", "./", [](std::string const& path) { if (not path.empty()) - surf_path.push_back(path); + simgrid::xbt::path_push(path); }}; static simgrid::config::Flag cfg_cpu_maxmin_selective_update{ @@ -314,20 +188,28 @@ void sg_config_init(int *argc, char **argv) static simgrid::config::Flag cfg_context_stack_size{ "contexts/stack-size", "Stack size of contexts in KiB (not with threads)", 8 * 1024, - [](int value) { simgrid::kernel::context::stack_size = value * 1024; }}; + [](int value) { simgrid::kernel::context::Context::stack_size = value * 1024; }}; /* guard size for contexts stacks in memory pages */ -#if defined(_WIN32) || (PTH_STACKGROWTH != -1) +#if (PTH_STACKGROWTH != -1) int default_guard_size = 0; #else int default_guard_size = 1; #endif static simgrid::config::Flag cfg_context_guard_size{ "contexts/guard-size", "Guard size for contexts stacks in memory pages", default_guard_size, - [](int value) { simgrid::kernel::context::guard_size = value * xbt_pagesize; }}; - static simgrid::config::Flag cfg_context_nthreads{"contexts/nthreads", - "Number of parallel threads used to execute user contexts", 1, - &simgrid::kernel::context::set_nthreads}; + [](int value) { simgrid::kernel::context::Context::guard_size = value * xbt_pagesize; }}; + + static simgrid::config::Flag cfg_context_nthreads{ + "contexts/nthreads", "Number of parallel threads used to execute user contexts", 1, [](int nthreads) { +#if HAVE_MMALLOC + xbt_assert( + nthreads == 1 || not malloc_use_mmalloc(), + "Parallel simulation is forbidden in the verified program, as there is no protection against race " + "conditions in mmalloc itself. Please don't be so greedy and show some mercy for our implementation."); +#endif + simgrid::kernel::context::Context::set_nthreads(nthreads); + }}; /* synchronization mode for parallel user contexts */ #if HAVE_FUTEX_H @@ -341,18 +223,7 @@ void sg_config_init(int *argc, char **argv) default_synchro_mode, &_sg_cfg_cb_contexts_parallel_mode}; - // For smpi/bw-factor and smpi/lat-factor // SMPI model can be used without enable_smpi, so keep this out of the ifdef. - simgrid::config::declare_flag("smpi/bw-factor", - "Bandwidth factors for smpi. Format: " - "'threshold0:value0;threshold1:value1;...;thresholdN:valueN', " - "meaning if(size >=thresholdN ) return valueN.", - "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"); - - simgrid::config::declare_flag("smpi/lat-factor", "Latency factors for smpi.", - "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"); static simgrid::config::Flag cfg_smpi_IB_penalty_factors{ "smpi/IB-penalty-factors", "Correction factor to communications using Infiniband model with " @@ -363,14 +234,11 @@ void sg_config_init(int *argc, char **argv) static simgrid::config::Flag cfg_execution_cutpath{ "exception/cutpath", "Whether to cut all path information from call traces, used e.g. in exceptions.", false}; - if (surf_path.empty()) - simgrid::config::set_default("path", "./"); - _sg_cfg_init_status = 1; sg_config_cmd_line(argc, argv); - xbt_mallocator_initialization_is_done(simgrid::kernel::context::is_parallel()); + xbt_mallocator_initialization_is_done(simgrid::kernel::context::Context::is_parallel()); } void sg_config_finalize()