-/* Copyright (c) 2009-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2009-2020. 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. */
#include "simgrid/sg_config.hpp"
#include "simgrid/instr.h"
+#include "simgrid/version.h"
#include "src/instr/instr_private.hpp"
#include "src/internal_config.h"
#include "src/kernel/lmm/maxmin.hpp"
#include "src/mc/mc_config.hpp"
#include "src/mc/mc_replay.hpp"
+#include "src/smpi/include/smpi_config.hpp"
#include "src/surf/surf_interface.hpp"
#include "surf/surf.hpp"
#include "xbt/config.hpp"
*/
int _sg_cfg_init_status = 0;
-/* instruct the upper layer (simix or simdag) to exit as soon as possible */
-bool _sg_cfg_exit_asap = false;
-
-#define sg_cfg_exit_early() \
- do { \
- _sg_cfg_exit_asap = true; \
- return; \
- } while (0)
-
/* Parse the command line, looking for options */
static void sg_config_cmd_line(int *argc, char **argv)
{
simgrid::config::set_parse(opt);
XBT_DEBUG("Did apply '%s' as config setting", opt);
} else if (parse_args && not strcmp(argv[i], "--version")) {
- printf("%s\n", SIMGRID_VERSION_STRING);
+ sg_version();
shall_exit = true;
} else if (parse_args && (not strcmp(argv[i], "--cfg-help") || not strcmp(argv[i], "--help"))) {
- printf("Description of the configuration accepted by this simulator:\n");
+ XBT_HELP("Description of the configuration accepted by this simulator:");
simgrid::config::help();
- printf(
- "\n"
- "Each of these configurations can be used by adding\n"
- " --cfg=<option name>:<option value>\n"
- "to the command line.\n"
- "\n"
- "For more information, please refer to:\n"
- " --help-aliases for the list of all option aliases.\n"
- " --help-logs and --help-log-categories for the details of logging output.\n"
- " --help-models for a list of all models known by this simulator.\n"
- " --help-tracing for the details of all tracing options known by this simulator.\n"
- " --version to get SimGrid version information.\n"
- "\n"
- );
+ XBT_HELP("\n"
+ "Each of these configurations can be used by adding\n"
+ " --cfg=<option name>:<option value>\n"
+ "to the command line. Try passing \"help\" as a value\n"
+ "to get the list of values accepted by a given option.\n"
+ "For example, \"--cfg=plugin:help\" gives you the list of\n"
+ "plugins available in your installation of SimGrid.\n"
+ "\n"
+ "For more information, please refer to:\n"
+ " --help-aliases for the list of all option aliases.\n"
+ " --help-logs and --help-log-categories for the details of logging output.\n"
+ " --help-models for a list of all models known by this simulator.\n"
+ " --help-tracing for the details of all tracing options known by this simulator.\n"
+ " --version to get SimGrid version information.\n");
shall_exit = not cfg_continue_after_help;
argv[j++] = argv[i]; // Preserve the --help in argv just in case someone else wants to see it
} else if (parse_args && not strcmp(argv[i], "--help-aliases")) {
- printf("Here is a list of all deprecated option names, with their replacement.\n");
+ XBT_HELP("Here is a list of all deprecated option names, with their replacement.");
simgrid::config::show_aliases();
- printf("Please consider using the recent names\n");
+ 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);
- printf("\n");
+ XBT_HELP("%s", "");
model_help("CPU", surf_cpu_model_description);
- printf("\n");
+ XBT_HELP("%s", "");
model_help("network", surf_network_model_description);
- printf("\nLong description of all optimization levels accepted by the models of this simulator:\n");
- for (int 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");
+ 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");
shall_exit = true;
} else if (parse_args && not strcmp(argv[i], "--help-tracing")) {
TRACE_help();
*argc = j;
}
if (shall_exit)
- sg_cfg_exit_early();
+ exit(0);
}
/* callback of the plugin variable */
return;
if (value == "help") {
- model_help("plugin", surf_plugin_description);
- sg_cfg_exit_early();
+ model_help("plugin", *surf_plugin_description);
+ exit(0);
}
- int plugin_id = find_model_description(surf_plugin_description, value);
- surf_plugin_description[plugin_id].model_init_preparse();
+ int plugin_id = find_model_description(*surf_plugin_description, value);
+ (*surf_plugin_description)[plugin_id].model_init_preparse();
}
/* callback of the host/model variable */
if (value == "help") {
model_help("host", surf_host_model_description);
- sg_cfg_exit_early();
+ exit(0);
}
/* Make sure that the model exists */
if (value == "help") {
model_help("CPU", surf_cpu_model_description);
- sg_cfg_exit_early();
+ exit(0);
}
/* New Module missing */
if (value == "help") {
model_help("optimization", surf_optimization_mode_description);
- sg_cfg_exit_early();
+ 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 cpu/model variable */
-static void _sg_cfg_cb__storage_mode(const std::string& value)
+static void _sg_cfg_cb__storage_model(const std::string& value)
{
xbt_assert(_sg_cfg_init_status < 2, "Cannot change the model after the initialization");
if (value == "help") {
model_help("storage", surf_storage_model_description);
- sg_cfg_exit_early();
+ exit(0);
}
find_model_description(surf_storage_model_description, value);
if (value == "help") {
model_help("network", surf_network_model_description);
- sg_cfg_exit_early();
+ exit(0);
}
/* New Module missing */
}
/* build description line with possible values */
-static void describe_model(char *result,int resultsize,
- const s_surf_model_description_t model_description[],
- const char *name,
- const char *description)
+static void declare_model_flag(const std::string& name, const std::string& value,
+ const std::function<void(std::string const&)>& callback,
+ const std::vector<surf_model_description_t>& model_description, const std::string& type,
+ const std::string& descr)
{
- result[0] = '\0';
- char *p = result;
- p += snprintf(result,resultsize-1, "%s. Possible values: %s", description,
- model_description[0].name ? model_description[0].name : "n/a");
- for (int i = 1; model_description[i].name; i++)
- p += snprintf(p,resultsize-(p-result)-1, ", %s", model_description[i].name);
- p += snprintf(p,resultsize-(p-result)-1, ".\n (use 'help' as a value to see the long description of each %s)", name);
-
- xbt_assert(p<result+resultsize-1,"Buffer too small to display the model description of %s",name);
+ 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<std::string>(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)
{
- const int descsize = 1024;
- char description[descsize];
-
/* Create the configuration support */
if (_sg_cfg_init_status != 0) { /* Only create stuff if not already inited */
XBT_WARN("Call to sg_config_init() after initialization ignored");
}
/* Plugins configuration */
- describe_model(description, descsize, surf_plugin_description, "plugin", "The plugins");
- simgrid::config::declare_flag<std::string>("plugin", description, "", &_sg_cfg_cb__plugin);
+ declare_model_flag("plugin", "", &_sg_cfg_cb__plugin, *surf_plugin_description, "plugin", "The plugins");
- describe_model(description, descsize, surf_cpu_model_description, "model", "The model to use for the CPU");
- simgrid::config::declare_flag<std::string>("cpu/model", description, "Cas01", &_sg_cfg_cb__cpu_model);
+ declare_model_flag("cpu/model", "Cas01", &_sg_cfg_cb__cpu_model, surf_cpu_model_description, "model",
+ "The model to use for the CPU");
- describe_model(description, descsize, surf_storage_model_description, "model", "The model to use for the storage");
- simgrid::config::declare_flag<std::string>("storage/model", description, "default", &_sg_cfg_cb__storage_mode);
+ declare_model_flag("disk/model", "default", &_sg_cfg_cb__disk_model, surf_disk_model_description, "model",
+ "The model to use for the disk");
- describe_model(description, descsize, surf_network_model_description, "model", "The model to use for the network");
- simgrid::config::declare_flag<std::string>("network/model", description, "LV08", &_sg_cfg_cb__network_model);
+ declare_model_flag("storage/model", "default", &_sg_cfg_cb__storage_model, surf_storage_model_description, "model",
+ "The model to use for the storage");
- describe_model(description, descsize, surf_optimization_mode_description, "optimization mode",
- "The optimization modes to use for the network");
- simgrid::config::declare_flag<std::string>("network/optim", description, "Lazy", &_sg_cfg_cb__optimization_mode);
+ declare_model_flag("network/model", "LV08", &_sg_cfg_cb__network_model, surf_network_model_description, "model",
+ "The model to use for the network");
- describe_model(description, descsize, surf_host_model_description, "model", "The model to use for the host");
- simgrid::config::declare_flag<std::string>("host/model", description, "default", &_sg_cfg_cb__host_model);
+ 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");
simgrid::config::bind_flag(sg_surf_precision, "surf/precision",
"Numerical precision used when updating simulation times (in seconds)");
"no");
simgrid::config::alias("network/maxmin-selective-update", {"network/maxmin_selective_update"});
- extern bool _sg_do_verbose_exit;
- simgrid::config::bind_flag(_sg_do_verbose_exit, "verbose-exit", "Activate the \"do nothing\" mode in Ctrl-C");
-
- simgrid::config::declare_flag<int>("contexts/stack-size", "Stack size of contexts in KiB", 8 * 1024,
- [](int value) { smx_context_stack_size = value * 1024; });
+ simgrid::config::declare_flag<int>("contexts/stack-size", "Stack size of contexts in KiB (not with threads)",
+ 8 * 1024, [](int value) { smx_context_stack_size = value * 1024; });
simgrid::config::alias("contexts/stack-size", {"contexts/stack_size"});
/* guard size for contexts stacks in memory pages */
/* synchronization mode for parallel user contexts */
#if HAVE_FUTEX_H
std::string default_synchro_mode = "futex";
-#else //No futex on mac and posix is unimplememted yet
+#else // No futex on mac and posix is unimplemented yet
std::string default_synchro_mode = "busy_wait";
#endif
simgrid::config::declare_flag<std::string>("contexts/synchro", "Synchronization mode to use when running contexts in "
"contention (default value based on Stampede cluster profiling)",
"0.965;0.925;1.35");
simgrid::config::alias("smpi/IB-penalty-factors", {"smpi/IB_penalty_factors"});
-
-#if HAVE_SMPI
- simgrid::config::declare_flag<double>("smpi/host-speed", "Speed of the host running the simulation (in flop/s). "
- "Used to bench the operations.",
- 20000.0);
- simgrid::config::alias("smpi/host-speed", {"smpi/running_power", "smpi/running-power"});
-
- simgrid::config::declare_flag<bool>("smpi/keep-temps", "Whether we should keep the generated temporary files.",
- false);
-
- simgrid::config::declare_flag<bool>("smpi/display-timing", "Whether we should display the timing after simulation.",
- false);
- simgrid::config::alias("smpi/display-timing", {"smpi/display_timing"});
-
- simgrid::config::declare_flag<bool>(
- "smpi/simulate-computation", "Whether the computational part of the simulated application should be simulated.",
- true);
- simgrid::config::alias("smpi/simulate-computation", {"smpi/simulate_computation"});
-
- simgrid::config::declare_flag<std::string>(
- "smpi/shared-malloc", "Whether SMPI_SHARED_MALLOC is enabled. Disable it for debugging purposes.", "global");
- simgrid::config::alias("smpi/shared-malloc", {"smpi/use_shared_malloc", "smpi/use-shared-malloc"});
- simgrid::config::declare_flag<double>("smpi/shared-malloc-blocksize",
- "Size of the bogus file which will be created for global shared allocations",
- 1UL << 20);
- simgrid::config::declare_flag<std::string>("smpi/shared-malloc-hugepage",
- "Path to a mounted hugetlbfs, to use huge pages with shared malloc.", "");
-
- simgrid::config::declare_flag<double>(
- "smpi/cpu-threshold", "Minimal computation time (in seconds) not discarded, or -1 for infinity.", 1e-6);
- simgrid::config::alias("smpi/cpu-threshold", {"smpi/cpu_threshold"});
-
- simgrid::config::declare_flag<int>(
- "smpi/async-small-thresh",
- "Maximal size of messages that are to be sent asynchronously, without waiting for the receiver", 0);
- simgrid::config::alias("smpi/async-small-thresh", {"smpi/async_small_thres", "smpi/async_small_thresh"});
-
- simgrid::config::declare_flag<bool>("smpi/trace-call-location",
- "Should filename and linenumber of MPI calls be traced?", false);
-
- simgrid::config::declare_flag<int>(
- "smpi/send-is-detached-thresh",
- "Threshold of message size where MPI_Send stops behaving like MPI_Isend and becomes MPI_Ssend", 65536);
- simgrid::config::alias("smpi/send-is-detached-thresh",
- {"smpi/send_is_detached_thres", "smpi/send_is_detached_thresh"});
-
- const char* default_privatization = std::getenv("SMPI_PRIVATIZATION");
- if (default_privatization == nullptr)
- default_privatization = "no";
-
- simgrid::config::declare_flag<std::string>(
- "smpi/privatization", "How we should privatize global variable at runtime (no, yes, mmap, dlopen).",
- default_privatization);
- simgrid::config::alias("smpi/privatization", {"smpi/privatize_global_variables", "smpi/privatize-global-variables"});
-
- simgrid::config::declare_flag<std::string>(
- "smpi/privatize-libs", "Add libraries (; separated) to privatize (libgfortran for example). You need to provide the full names of the files (libgfortran.so.4), or its full path", "");
-
- simgrid::config::declare_flag<bool>("smpi/grow-injected-times",
- "Whether we want to make the injected time in MPI_Iprobe and MPI_Test grow, to "
- "allow faster simulation. This can make simulation less precise, though.",
- true);
-
-#if HAVE_PAPI
- simgrid::config::declare_flag<std::string>("smpi/papi-events",
- "This switch enables tracking the specified counters with PAPI", "");
-#endif
- simgrid::config::declare_flag<std::string>("smpi/comp-adjustment-file",
- "A file containing speedups or slowdowns for some parts of the code.", "");
- simgrid::config::declare_flag<std::string>(
- "smpi/os", "Small messages timings (MPI_Send minimum time for small messages)", "0:0:0:0:0");
- simgrid::config::declare_flag<std::string>(
- "smpi/ois", "Small messages timings (MPI_Isend minimum time for small messages)", "0:0:0:0:0");
- simgrid::config::declare_flag<std::string>(
- "smpi/or", "Small messages timings (MPI_Recv minimum time for small messages)", "0:0:0:0:0");
-
- simgrid::config::declare_flag<double>("smpi/iprobe-cpu-usage",
- "Maximum usage of CPUs by MPI_Iprobe() calls. We've observed that MPI_Iprobes "
- "consume significantly less power than the maximum of a specific application. "
- "This value is then (Iprobe_Usage/Max_Application_Usage).",
- 1.0);
-
- simgrid::config::declare_flag<std::string>("smpi/coll-selector", "Which collective selector to use", "default");
- simgrid::config::alias("smpi/coll-selector", {"smpi/coll_selector"});
- simgrid::config::declare_flag<std::string>("smpi/gather", "Which collective to use for gather", "");
- simgrid::config::declare_flag<std::string>("smpi/allgather", "Which collective to use for allgather", "");
- simgrid::config::declare_flag<std::string>("smpi/barrier", "Which collective to use for barrier", "");
- simgrid::config::declare_flag<std::string>("smpi/reduce_scatter", "Which collective to use for reduce_scatter", "");
- simgrid::config::alias("smpi/reduce_scatter", {"smpi/reduce-scatter"});
- simgrid::config::declare_flag<std::string>("smpi/scatter", "Which collective to use for scatter", "");
- simgrid::config::declare_flag<std::string>("smpi/allgatherv", "Which collective to use for allgatherv", "");
- simgrid::config::declare_flag<std::string>("smpi/allreduce", "Which collective to use for allreduce", "");
- simgrid::config::declare_flag<std::string>("smpi/alltoall", "Which collective to use for alltoall", "");
- simgrid::config::declare_flag<std::string>("smpi/alltoallv", "Which collective to use for alltoallv", "");
- simgrid::config::declare_flag<std::string>("smpi/bcast", "Which collective to use for bcast", "");
- simgrid::config::declare_flag<std::string>("smpi/reduce", "Which collective to use for reduce", "");
-#endif // HAVE_SMPI
-
/* Others */
simgrid::config::declare_flag<bool>(
"exception/cutpath", "Whether to cut all path information from call traces, used e.g. in exceptions.", false);
- extern bool _sg_do_clean_atexit;
- simgrid::config::bind_flag(_sg_do_clean_atexit, "clean-atexit", {"clean_atexit"},
- "Whether to cleanup SimGrid at exit. Disable it if your code segfaults after its end.");
-
if (surf_path.empty())
simgrid::config::set_default<std::string>("path", "./");
void sg_config_finalize()
{
- if (not _sg_cfg_init_status)
- return; /* Not initialized yet. Nothing to do */
-
simgrid::config::finalize();
_sg_cfg_init_status = 0;
}
