X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/4b597ac2a550a08c142293e59e4c4d2bdad8ff5d..71f071bb10968ac0d3c4ed606a7225d9447d9034:/src/mc/mc_global.cpp diff --git a/src/mc/mc_global.cpp b/src/mc/mc_global.cpp index 6e9b7b6683..059a4878d9 100644 --- a/src/mc/mc_global.cpp +++ b/src/mc/mc_global.cpp @@ -13,6 +13,10 @@ #include +#include +#include +#include + #include "mc_base.h" #include "mc/mc.h" @@ -40,6 +44,7 @@ #include "src/mc/mc_record.h" #include "src/mc/mc_protocol.h" #include "src/mc/Client.hpp" +#include "src/mc/Transition.hpp" XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_global, mc, "Logging specific to MC (global)"); @@ -54,21 +59,16 @@ std::vector processes_time; } #if HAVE_MC -int user_max_depth_reached = 0; /* MC global data structures */ simgrid::mc::State* mc_current_state = nullptr; char mc_replay_mode = false; -mc_stats_t mc_stats = nullptr; -xbt_fifo_t mc_stack = nullptr; - /* Liveness */ namespace simgrid { namespace mc { -std::unique_ptr initial_global_state = nullptr; xbt_automaton_t property_automaton = nullptr; } @@ -110,27 +110,23 @@ void MC_run() simgrid::mc::processes_time.clear(); } +namespace simgrid { +namespace mc { + /** * \brief Re-executes from the state at position start all the transitions indicated by * a given model-checker stack. * \param stack The stack with the transitions to execute. * \param start Start index to begin the re-execution. */ -void MC_replay(xbt_fifo_t stack) +void replay(std::list> const& stack) { - int value, count = 1; - char *req_str; - smx_simcall_t req = nullptr, saved_req = NULL; - xbt_fifo_item_t item, start_item; - simgrid::mc::State* state; - XBT_DEBUG("**** Begin Replay ****"); /* Intermediate backtracking */ if(_sg_mc_checkpoint > 0 || _sg_mc_termination || _sg_mc_visited > 0) { - start_item = xbt_fifo_get_first_item(stack); - state = (simgrid::mc::State*)xbt_fifo_get_item_content(start_item); - if(state->system_state){ + simgrid::mc::State* state = stack.back().get(); + if (state->system_state) { simgrid::mc::restore_snapshot(state->system_state); if(_sg_mc_comms_determinism || _sg_mc_send_determinism) MC_restore_communications_pattern(state); @@ -140,11 +136,7 @@ void MC_replay(xbt_fifo_t stack) /* Restore the initial state */ - simgrid::mc::restore_snapshot(simgrid::mc::initial_global_state->snapshot); - /* At the moment of taking the snapshot the raw heap was set, so restoring - * it will set it back again, we have to unset it to continue */ - - start_item = xbt_fifo_get_last_item(stack); + simgrid::mc::session->restoreInitialState(); if (_sg_mc_comms_determinism || _sg_mc_send_determinism) { // int n = xbt_dynar_length(incomplete_communications_pattern); @@ -153,56 +145,58 @@ void MC_replay(xbt_fifo_t stack) assert(n == xbt_dynar_length(initial_communications_pattern)); for (unsigned j=0; j < n ; j++) { xbt_dynar_reset((xbt_dynar_t)xbt_dynar_get_as(incomplete_communications_pattern, j, xbt_dynar_t)); - xbt_dynar_get_as(initial_communications_pattern, j, mc_list_comm_pattern_t)->index_comm = 0; + xbt_dynar_get_as(initial_communications_pattern, j, simgrid::mc::PatternCommunicationList*)->index_comm = 0; } } + int count = 1; + /* Traverse the stack from the state at position start and re-execute the transitions */ - for (item = start_item; - item != xbt_fifo_get_first_item(stack); - item = xbt_fifo_get_prev_item(item)) { + for (std::unique_ptr const& state : stack) { + if (state == stack.back()) + break; - state = (simgrid::mc::State*) xbt_fifo_get_item_content(item); - saved_req = MC_state_get_executed_request(state, &value); + int req_num = state->transition.argument; + smx_simcall_t saved_req = &state->executed_req; if (saved_req) { /* because we got a copy of the executed request, we have to fetch the real one, pointed by the request field of the issuer process */ const smx_process_t issuer = MC_smx_simcall_get_issuer(saved_req); - req = &issuer->simcall; + smx_simcall_t req = &issuer->simcall; /* Debug information */ - if (XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)) { - req_str = simgrid::mc::request_to_string(req, value, simgrid::mc::RequestType::simix); - XBT_DEBUG("Replay: %s (%p)", req_str, state); - xbt_free(req_str); - } + XBT_DEBUG("Replay: %s (%p)", + simgrid::mc::request_to_string( + req, req_num, simgrid::mc::RequestType::simix).c_str(), + state.get()); /* TODO : handle test and testany simcalls */ e_mc_call_type_t call = MC_CALL_TYPE_NONE; if (_sg_mc_comms_determinism || _sg_mc_send_determinism) call = MC_get_call_type(req); - simgrid::mc::handle_simcall(req, value); - + mc_model_checker->handle_simcall(state->transition); if (_sg_mc_comms_determinism || _sg_mc_send_determinism) - MC_handle_comm_pattern(call, req, value, nullptr, 1); - + MC_handle_comm_pattern(call, req, req_num, nullptr, 1); mc_model_checker->wait_for_requests(); count++; } /* Update statistics */ - mc_stats->visited_states++; - mc_stats->executed_transitions++; + mc_model_checker->visited_states++; + mc_model_checker->executed_transitions++; } XBT_DEBUG("**** End Replay ****"); } +} +} + void MC_show_deadlock(void) { XBT_INFO("**************************"); @@ -211,51 +205,7 @@ void MC_show_deadlock(void) XBT_INFO("Counter-example execution trace:"); for (auto& s : mc_model_checker->getChecker()->getTextualTrace()) XBT_INFO("%s", s.c_str()); - MC_print_statistics(mc_stats); -} - -void MC_print_statistics(mc_stats_t stats) -{ - if(_sg_mc_comms_determinism) { - if (!simgrid::mc::initial_global_state->recv_deterministic && - simgrid::mc::initial_global_state->send_deterministic){ - XBT_INFO("******************************************************"); - XBT_INFO("**** Only-send-deterministic communication pattern ****"); - XBT_INFO("******************************************************"); - XBT_INFO("%s", simgrid::mc::initial_global_state->recv_diff); - }else if(!simgrid::mc::initial_global_state->send_deterministic && - simgrid::mc::initial_global_state->recv_deterministic) { - XBT_INFO("******************************************************"); - XBT_INFO("**** Only-recv-deterministic communication pattern ****"); - XBT_INFO("******************************************************"); - XBT_INFO("%s", simgrid::mc::initial_global_state->send_diff); - } - } - - if (stats->expanded_pairs == 0) { - XBT_INFO("Expanded states = %lu", stats->expanded_states); - XBT_INFO("Visited states = %lu", stats->visited_states); - } else { - XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs); - XBT_INFO("Visited pairs = %lu", stats->visited_pairs); - } - XBT_INFO("Executed transitions = %lu", stats->executed_transitions); - if ((_sg_mc_dot_output_file != nullptr) && (_sg_mc_dot_output_file[0] != '\0')) { - fprintf(dot_output, "}\n"); - fclose(dot_output); - } - if (simgrid::mc::initial_global_state != nullptr - && (_sg_mc_comms_determinism || _sg_mc_send_determinism)) { - XBT_INFO("Send-deterministic : %s", - !simgrid::mc::initial_global_state->send_deterministic ? "No" : "Yes"); - if (_sg_mc_comms_determinism) - XBT_INFO("Recv-deterministic : %s", - !simgrid::mc::initial_global_state->recv_deterministic ? "No" : "Yes"); - } - if (getenv("SIMGRID_MC_SYSTEM_STATISTICS")){ - int ret=system("free"); - if(ret!=0)XBT_WARN("system call did not return 0, but %d",ret); - } + simgrid::mc::session->logState(); } void MC_automaton_load(const char *file) @@ -333,40 +283,3 @@ void MC_process_clock_add(smx_process_t process, double amount) { simgrid::mc::processes_time[process->pid] += amount; } - -#if HAVE_MC -void MC_report_assertion_error(void) -{ - XBT_INFO("**************************"); - XBT_INFO("*** PROPERTY NOT VALID ***"); - XBT_INFO("**************************"); - XBT_INFO("Counter-example execution trace:"); - simgrid::mc::dumpRecordPath(); - for (auto& s : mc_model_checker->getChecker()->getTextualTrace()) - XBT_INFO("%s", s.c_str()); - MC_print_statistics(mc_stats); -} - -void MC_report_crash(int status) -{ - XBT_INFO("**************************"); - XBT_INFO("** CRASH IN THE PROGRAM **"); - XBT_INFO("**************************"); - if (WIFSIGNALED(status)) - XBT_INFO("From signal: %s", strsignal(WTERMSIG(status))); - else if (WIFEXITED(status)) - XBT_INFO("From exit: %i", WEXITSTATUS(status)); - if (WCOREDUMP(status)) - XBT_INFO("A core dump was generated by the system."); - else - XBT_INFO("No core dump was generated by the system."); - XBT_INFO("Counter-example execution trace:"); - simgrid::mc::dumpRecordPath(); - for (auto& s : mc_model_checker->getChecker()->getTextualTrace()) - XBT_INFO("%s", s.c_str()); - MC_print_statistics(mc_stats); - XBT_INFO("Stack trace:"); - mc_model_checker->process().dumpStack(); -} - -#endif