-/* Copyright (c) 2008-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2008-2019. 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 <vector>
-#include <xbt/dynar.h>
-#include <xbt/automaton.h>
-#include <xbt/swag.h>
+#include "xbt/automaton.h"
+#include "xbt/backtrace.hpp"
+#include "xbt/dynar.h"
#include "mc_base.h"
#include <sys/time.h>
#endif
-#include "src/simix/smx_process_private.h"
-
-#if HAVE_MC
+#include "src/simix/ActorImpl.hpp"
+
+#if SIMGRID_HAVE_MC
+#include "src/mc/checker/Checker.hpp"
+#include "src/mc/mc_comm_pattern.hpp"
+#include "src/mc/mc_private.hpp"
+#include "src/mc/mc_request.hpp"
+#include "src/mc/mc_safety.hpp"
+#include "src/mc/mc_smx.hpp"
+#include "src/mc/mc_unw.hpp"
+#include "src/mc/sosp/mc_snapshot.hpp"
#include <libunwind.h>
-#include "src/mc/mc_comm_pattern.h"
-#include "src/mc/mc_request.h"
-#include "src/mc/mc_safety.h"
-#include "src/mc/mc_snapshot.h"
-#include "src/mc/mc_private.h"
-#include "src/mc/mc_unw.h"
-#include "src/mc/mc_smx.h"
-#include "src/mc/Checker.hpp"
#endif
-#include "src/mc/mc_record.h"
-#include "src/mc/mc_protocol.h"
-#include "src/mc/Client.hpp"
+#include "src/mc/Transition.hpp"
+#include "src/mc/mc_record.hpp"
+#include "src/mc/remote/Client.hpp"
+#include "src/mc/remote/mc_protocol.h"
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;
-
-mc_stats_t mc_stats = nullptr;
+#if SIMGRID_HAVE_MC
/* Liveness */
namespace simgrid {
namespace mc {
-std::unique_ptr<s_mc_global_t> initial_global_state = nullptr;
xbt_automaton_t property_automaton = nullptr;
}
FILE *dot_output = nullptr;
-/******************************* Initialisation of MC *******************************/
+/******************************* Initialization of MC *******************************/
/*********************************************************************************/
void MC_init_dot_output()
{
- dot_output = fopen(_sg_mc_dot_output_file, "w");
+ dot_output = fopen(_sg_mc_dot_output_file.get().c_str(), "w");
if (dot_output == nullptr) {
perror("Error open dot output file");
void MC_run()
{
- simgrid::mc::processes_time.resize(simix_process_maxpid);
+ simgrid::mc::processes_time.resize(SIMIX_process_get_maxpid());
MC_ignore_heap(simgrid::mc::processes_time.data(),
simgrid::mc::processes_time.size() * sizeof(simgrid::mc::processes_time[0]));
- smx_process_t process;
- xbt_swag_foreach(process, simix_global->process_list)
- MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
simgrid::mc::Client::get()->mainLoop();
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::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 */
-
- 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 value;
- smx_simcall_t saved_req = MC_state_get_executed_request(state.get(), &value);
-
- 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, value, 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);
-
- if (_sg_mc_comms_determinism || _sg_mc_send_determinism)
- MC_handle_comm_pattern(call, req, value, nullptr, 1);
-
- mc_model_checker->wait_for_requests();
-
- count++;
- }
-
- /* Update statistics */
- mc_stats->visited_states++;
- mc_stats->executed_transitions++;
-
- }
-
- XBT_DEBUG("**** End Replay ****");
-}
-
-}
-}
-
-void MC_show_deadlock(void)
+void MC_show_deadlock()
{
XBT_INFO("**************************");
XBT_INFO("*** DEAD-LOCK DETECTED ***");
XBT_INFO("**************************");
XBT_INFO("Counter-example execution trace:");
- for (auto& s : mc_model_checker->getChecker()->getTextualTrace())
+ for (auto const& 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)
unw_word_t off;
do {
- const char * name = !unw_get_proc_name(&cursor, buffer, 100, &off) ? buffer : "?";
-
- int status;
-
- // Demangle C++ names:
- char* realname = abi::__cxa_demangle(name, 0, 0, &status);
+ const char* name = not unw_get_proc_name(&cursor, buffer, 100, &off) ? buffer : "?";
+ // Unmangle C++ names:
+ auto realname = simgrid::xbt::demangle(name);
#if defined(__x86_64__)
unw_word_t rip = 0;
unw_word_t rsp = 0;
unw_get_reg(&cursor, UNW_X86_64_RIP, &rip);
unw_get_reg(&cursor, UNW_X86_64_RSP, &rsp);
- fprintf(file, " %i: %s (RIP=0x%" PRIx64 " RSP=0x%" PRIx64 ")\n",
- nframe, realname ? realname : name, (std::uint64_t) rip, (std::uint64_t) rsp);
+ fprintf(file, " %i: %s (RIP=0x%" PRIx64 " RSP=0x%" PRIx64 ")\n", nframe, realname.get(), (std::uint64_t)rip,
+ (std::uint64_t)rsp);
#else
- fprintf(file, " %i: %s\n", nframe, realname ? realname : name);
+ fprintf(file, " %i: %s\n", nframe, realname.get());
#endif
- free(realname);
++nframe;
} while(unw_step(&cursor));
}
{
int nstack = 0;
for (auto const& stack : mc_model_checker->process().stack_areas()) {
- fprintf(file, "Stack %i:\n", nstack++);
+ fprintf(file, "Stack %i:\n", nstack);
+ nstack++;
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);
}
#endif
-double MC_process_clock_get(smx_process_t process)
+double MC_process_clock_get(smx_actor_t process)
{
if (simgrid::mc::processes_time.empty())
return 0;
if (process != nullptr)
- return simgrid::mc::processes_time[process->pid];
+ return simgrid::mc::processes_time[process->get_pid()];
return -1;
}
-void MC_process_clock_add(smx_process_t process, double amount)
+void MC_process_clock_add(smx_actor_t process, double amount)
{
- simgrid::mc::processes_time[process->pid] += amount;
+ simgrid::mc::processes_time[process->get_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
