X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3c356a0c1805437c7d7bfa8890f257c1e5926161..e48eade5ab404acd1948883302768c55be145b6a:/src/mc/api/State.cpp diff --git a/src/mc/api/State.cpp b/src/mc/api/State.cpp index a9d97afd1b..6c1d3482a0 100644 --- a/src/mc/api/State.cpp +++ b/src/mc/api/State.cpp @@ -4,6 +4,9 @@ * under the terms of the license (GNU LGPL) which comes with this package. */ #include "src/mc/api/State.hpp" +#include "src/mc/api/guide/BasicGuide.hpp" +#include "src/mc/api/guide/WaitGuide.hpp" +#include "src/mc/explo/Exploration.hpp" #include "src/mc/mc_config.hpp" #include @@ -14,60 +17,77 @@ namespace simgrid::mc { long State::expended_states_ = 0; -State::State(const RemoteApp& remote_app) : num_(++expended_states_) +State::State(RemoteApp& remote_app) : num_(++expended_states_) { - remote_app.get_actors_status(actors_to_run_); + XBT_VERB("Creating a guide for the state"); + if (_sg_mc_guided == "none") + guide_ = std::make_shared(); + if (_sg_mc_guided == "nb_wait") + guide_ = std::make_shared(); + + recipe_ = std::list(); + + remote_app.get_actors_status(guide_->actors_to_run_); /* Stateful model checking */ - if ((_sg_mc_checkpoint > 0 && (num_ % _sg_mc_checkpoint == 0)) || _sg_mc_termination) { - system_state_ = std::make_shared(num_); - } + if ((_sg_mc_checkpoint > 0 && (num_ % _sg_mc_checkpoint == 0)) || _sg_mc_termination) + system_state_ = std::make_shared(num_, remote_app.get_page_store(), + *remote_app.get_remote_process_memory()); } -State::State(const RemoteApp& remote_app, const State* previous_state) - : default_transition_(std::make_unique()), num_(++expended_states_) +State::State(RemoteApp& remote_app, std::shared_ptr parent_state) + : num_(++expended_states_), parent_state_(parent_state) { - remote_app.get_actors_status(actors_to_run_); - - transition_ = default_transition_.get(); - - /* Stateful model checking */ - if ((_sg_mc_checkpoint > 0 && (num_ % _sg_mc_checkpoint == 0)) || _sg_mc_termination) { - system_state_ = std::make_shared(num_); - } - - /* For each actor in the previous sleep set, keep it if it is not dependent with current transition. - * And if we kept it and the actor is enabled in this state, mark the actor as already done, so that - * it is not explored*/ - for (auto& [aid, transition] : previous_state->get_sleep_set()) { + if (_sg_mc_guided == "none") + guide_ = std::make_shared(); + if (_sg_mc_guided == "nb_wait") + guide_ = std::make_shared(); + *guide_ = *(parent_state->guide_); - if (not previous_state->get_transition()->depends(&transition)) { + recipe_ = std::list(parent_state_->get_recipe()); + recipe_.push_back(parent_state_->get_transition()); - sleep_set_.emplace(aid, transition); - if (actors_to_run_.count(aid) != 0) { - XBT_DEBUG("Actor %ld will not be explored, for it is in the sleep set", aid); + remote_app.get_actors_status(guide_->actors_to_run_); - actors_to_run_.at(aid).mark_done(); - } - } else - XBT_DEBUG("Transition >>%s<< removed from the sleep set because it was dependent with >>%s<<", - transition.to_string().c_str(), previous_state->get_transition()->to_string().c_str()); + /* Stateful model checking */ + if ((_sg_mc_checkpoint > 0 && (num_ % _sg_mc_checkpoint == 0)) || _sg_mc_termination) + system_state_ = std::make_shared(num_, remote_app.get_page_store(), + *remote_app.get_remote_process_memory()); + + /* If we want sleep set reduction, copy the sleep set and eventually removes things from it */ + if (_sg_mc_sleep_set) { + /* For each actor in the previous sleep set, keep it if it is not dependent with current transition. + * And if we kept it and the actor is enabled in this state, mark the actor as already done, so that + * it is not explored*/ + for (auto& [aid, transition] : parent_state_->get_sleep_set()) { + if (not parent_state_->get_transition()->depends(&transition)) { + sleep_set_.try_emplace(aid, transition); + if (guide_->actors_to_run_.count(aid) != 0) { + XBT_DEBUG("Actor %ld will not be explored, for it is in the sleep set", aid); + + guide_->actors_to_run_.at(aid).mark_done(); + } + } else + XBT_DEBUG("Transition >>%s<< removed from the sleep set because it was dependent with >>%s<<", + transition.to_string().c_str(), parent_state_->get_transition()->to_string().c_str()); + } } } std::size_t State::count_todo() const { - return boost::range::count_if(this->actors_to_run_, [](auto& pair) { return pair.second.is_todo(); }); + return boost::range::count_if(this->guide_->actors_to_run_, [](auto& pair) { return pair.second.is_todo(); }); } -void State::mark_all_todo() +std::size_t State::count_todo_multiples() const { - for (auto& [aid, actor] : actors_to_run_) { + size_t count = 0; + for (auto& [_, actor] : guide_->actors_to_run_) + if (actor.is_todo()) + count += actor.get_times_not_considered(); - if (actor.is_enabled() and not actor.is_done() and not actor.is_todo()) - actor.mark_todo(); - } + return count; } Transition* State::get_transition() const @@ -77,11 +97,10 @@ Transition* State::get_transition() const aid_t State::next_transition() const { - XBT_DEBUG("Search for an actor to run. %zu actors to consider", actors_to_run_.size()); - for (auto const& [aid, actor] : actors_to_run_) { + XBT_DEBUG("Search for an actor to run. %zu actors to consider", guide_->actors_to_run_.size()); + for (auto const& [aid, actor] : guide_->actors_to_run_) { /* Only consider actors (1) marked as interleaving by the checker and (2) currently enabled in the application */ if (not actor.is_todo() || not actor.is_enabled() || actor.is_done()) { - if (not actor.is_todo()) XBT_DEBUG("Can't run actor %ld because it is not todo", aid); @@ -99,13 +118,22 @@ aid_t State::next_transition() const return -1; } -void State::execute_next(aid_t next) +std::pair State::next_transition_guided() const { + return guide_->next_transition(); +} + +// This should be done in GuidedState, or at least interact with it +void State::execute_next(aid_t next, RemoteApp& app) +{ + // First, warn the guide, so it knows how to build a proper child state + guide_->execute_next(next, app); + // This actor is ready to be executed. Execution involves three phases: // 1. Identify the appropriate ActorState to prepare for execution // when simcall_handle will be called on it - auto& actor_state = actors_to_run_.at(next); + auto& actor_state = guide_->actors_to_run_.at(next); const unsigned times_considered = actor_state.do_consider(); const auto* expected_executed_transition = actor_state.get_transition(times_considered); xbt_assert(expected_executed_transition != nullptr, @@ -115,7 +143,7 @@ void State::execute_next(aid_t next) // 2. Execute the actor according to the preparation above Transition::executed_transitions_++; - auto* just_executed = mc_model_checker->handle_simcall(next, times_considered, true); + auto* just_executed = app.handle_simcall(next, times_considered, true); xbt_assert(just_executed->type_ == expected_executed_transition->type_, "The transition that was just executed by actor %ld, viz:\n" "%s\n" @@ -134,6 +162,6 @@ void State::execute_next(aid_t next) auto executed_transition = std::unique_ptr(just_executed); actor_state.set_transition(std::move(executed_transition), times_considered); - mc_model_checker->wait_for_requests(); + app.wait_for_requests(); } } // namespace simgrid::mc