-/* Copyright (c) 2008-2021. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2008-2022. 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 "src/mc/mc_config.hpp"
#include "src/mc/mc_replay.hpp"
#include <simgrid/sg_config.hpp>
-#if SIMGRID_HAVE_MC
-#include "src/mc/mc_safety.hpp"
-#endif
-#include <climits>
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(xbt_cfg);
#if SIMGRID_HAVE_MC
-namespace simgrid {
-namespace mc {
-/* Configuration support */
-simgrid::mc::ReductionMode reduction_mode = simgrid::mc::ReductionMode::unset;
-}
-}
+#include <string_view>
+
#else
#define _sg_do_model_check 0
#endif
static void _mc_cfg_cb_check(const char* spec, bool more_check = true)
{
xbt_assert(_sg_cfg_init_status == 0 || _sg_do_model_check || not more_check,
- "You are specifying a %s after the initialization (through MSG_config?), but the program was not run "
- "under the model-checker (with simgrid-mc)). This won't work, sorry.",
- spec);
+ "Specifying a %s is only allowed within the model-checker. Please use simgrid-mc.", spec);
}
/* Replay (this part is enabled even if MC it disabled) */
simgrid::config::Flag<std::string> _sg_mc_record_path{
"model-check/replay", "Model-check path to replay (as reported by SimGrid when a violation is reported)", "",
- [](const std::string& value) { MC_record_path() = value; }};
+ [](std::string_view value) { MC_record_path() = value; }};
simgrid::config::Flag<bool> _sg_mc_timeout{
"model-check/timeout", "Whether to enable timeouts for wait requests", false, [](bool) {
int _sg_do_model_check = 0;
int _sg_mc_max_visited_states = 0;
+static simgrid::config::Flag<std::string> cfg_mc_reduction{
+ "model-check/reduction", "Specify the kind of exploration reduction (either none or DPOR)", "dpor",
+ [](std::string_view value) {
+ if (value != "none" && value != "dpor")
+ xbt_die("configuration option 'model-check/reduction' can only take 'none' or 'dpor' as a value");
+ }};
+
simgrid::config::Flag<int> _sg_mc_checkpoint{
"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 "
}};
simgrid::config::Flag<bool> _sg_mc_unfolding_checker{
- "model-check/unfolding-checker", "Whether to enable the unfolding-based dynamic partial order reduction to MPI programs",
- false,
- [](bool) {
+ "model-check/unfolding-checker",
+ "Whether to enable the unfolding-based dynamic partial order reduction to MPI programs", false, [](bool) {
_mc_cfg_cb_check("value to to enable/disable the unfolding-based dynamic partial order reduction to MPI programs");
}};
"infty",
{{"zero", "No system buffering: MPI_Send is blocking"},
{"infty", "Infinite system buffering: MPI_Send returns immediately"}},
- [](const std::string&) { _mc_cfg_cb_check("buffering mode"); }};
-
-static simgrid::config::Flag<std::string> _sg_mc_reduce{
- "model-check/reduction", "Specify the kind of exploration reduction (either none or DPOR)", "dpor",
- [](const std::string& value) {
- _mc_cfg_cb_check("reduction strategy");
-
- if (value == "none")
- simgrid::mc::reduction_mode = simgrid::mc::ReductionMode::none;
- else if (value == "dpor")
- simgrid::mc::reduction_mode = simgrid::mc::ReductionMode::dpor;
- else
- xbt_die("configuration option model-check/reduction can only take 'none' or 'dpor' as a value");
- }};
+ [](std::string_view) { _mc_cfg_cb_check("buffering mode"); }};
simgrid::config::Flag<int> _sg_mc_max_depth{"model-check/max-depth",
"Maximal exploration depth (default: 1000)",
[](int) { _mc_cfg_cb_check("max depth value"); }};
static simgrid::config::Flag<int> _sg_mc_max_visited_states__{
- "model-check/visited", "Specify the number of visited state stored for state comparison reduction. If value=5, the "
- "last 5 visited states are stored. If value=0 (the default), all states are stored.",
+ "model-check/visited",
+ "Specify the number of visited state stored for state comparison reduction: any branch leading to a state that is "
+ "already stored is cut.\n"
+ "If value=5, the last 5 visited states are stored. If value=0 (the default), no state is stored and this reduction "
+ "technique is disabled.",
0, [](int value) {
_mc_cfg_cb_check("number of stored visited states");
_sg_mc_max_visited_states = value;
"model-check/termination", "Whether to enable non progressive cycle detection", false,
[](bool) { _mc_cfg_cb_check("value to enable/disable the detection of non progressive cycles"); }};
+bool simgrid::mc::cfg_use_DPOR()
+{
+ if (cfg_mc_reduction.get() == "dpor" && _sg_mc_max_visited_states__ > 0) {
+ XBT_INFO("Disabling DPOR since state-equality reduction is activated with 'model-check/visited'");
+ return false;
+ }
+ return cfg_mc_reduction.get() == "dpor";
+}
+
#endif
