XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_global, mc, "Logging specific to MC (global)");
-e_mc_mode_t mc_mode;
-
namespace simgrid {
namespace mc {
#if HAVE_MC
-/* MC global data structures */
-simgrid::mc::State* mc_current_state = nullptr;
-char mc_replay_mode = false;
-
/* Liveness */
namespace simgrid {
FILE *dot_output = nullptr;
-/******************************* Initialisation of MC *******************************/
+/******************************* Initialization of MC *******************************/
/*********************************************************************************/
void MC_init_dot_output()
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 replay(std::list<std::unique_ptr<simgrid::mc::State>> const& stack)
-{
- XBT_DEBUG("**** Begin Replay ****");
-
- /* Intermediate backtracking */
- if(_sg_mc_checkpoint > 0 || _sg_mc_termination || _sg_mc_visited > 0) {
- 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);
- return;
- }
- }
-
-
- /* Restore the initial state */
- simgrid::mc::session->restoreInitialState();
-
- if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
- // int n = xbt_dynar_length(incomplete_communications_pattern);
- unsigned n = MC_smx_get_maxpid();
- assert(n == xbt_dynar_length(incomplete_communications_pattern));
- 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, simgrid::mc::PatternCommunicationList*)->index_comm = 0;
- }
- }
-
- int count = 1;
-
- /* Traverse the stack from the state at position start and re-execute the transitions */
- for (std::unique_ptr<simgrid::mc::State> const& state : stack) {
- if (state == stack.back())
- break;
-
- 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);
- smx_simcall_t req = &issuer->simcall;
-
- /* Debug information */
- 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);
-
- mc_model_checker->handle_simcall(state->transition);
- if (_sg_mc_comms_determinism || _sg_mc_send_determinism)
- MC_handle_comm_pattern(call, req, req_num, nullptr, 1);
- mc_model_checker->wait_for_requests();
-
- count++;
- }
-
- /* Update statistics */
- mc_model_checker->visited_states++;
- mc_model_checker->executed_transitions++;
-
- }
-
- XBT_DEBUG("**** End Replay ****");
-}
-
-}
-}
-
void MC_show_deadlock(void)
{
XBT_INFO("**************************");
int status;
- // Demangle C++ names:
+ // Unmangle C++ names:
char* realname = abi::__cxa_demangle(name, 0, 0, &status);
#if defined(__x86_64__)
simgrid::mc::UnwindContext context;
unw_context_t raw_context =
- mc_model_checker->process().read<unw_context_t>(
+ (unw_context_t) mc_model_checker->process().read<unw_context_t>(
simgrid::mc::remote((unw_context_t *)stack.context));
context.initialize(&mc_model_checker->process(), &raw_context);