X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/b3b356352e87ae00a20f737c48e19b0c8413455a..2b99a23b58af6f52e1828cefeb8c6a3610b85279:/src/mc/mc_global.cpp diff --git a/src/mc/mc_global.cpp b/src/mc/mc_global.cpp index 23e7ab452d..da49931e86 100644 --- a/src/mc/mc_global.cpp +++ b/src/mc/mc_global.cpp @@ -5,47 +5,40 @@ * under the terms of the license (GNU LGPL) which comes with this package. */ #include - -#include -#include -#include +#include +#include +#include #include "mc_base.h" +#include "mc/mc.h" + #ifndef _XBT_WIN32 #include #include #include #endif -#include "simgrid/sg_config.h" -#include "../surf/surf_private.h" -#include "../simix/smx_private.h" -#include "xbt/fifo.h" -#include "xbt/automaton.h" -#include "xbt/dict.h" -#include "mc_record.h" +#include +#include + +#include "src/simix/smx_process_private.h" #ifdef HAVE_MC -#include "mc_server.h" #include -#include -#include "../xbt/mmalloc/mmprivate.h" -#include "mc_object_info.h" -#include "mc_comm_pattern.h" -#include "mc_request.h" -#include "mc_safety.h" -#include "mc_memory_map.h" -#include "mc_snapshot.h" -#include "mc_liveness.h" -#include "mc_private.h" -#include "mc_unw.h" -#include "mc_smx.h" -#include "mcer_ignore.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_liveness.h" +#include "src/mc/mc_private.h" +#include "src/mc/mc_unw.h" +#include "src/mc/mc_smx.h" #endif -#include "mc_record.h" -#include "mc_protocol.h" -#include "mc_client.h" + +#include "src/mc/mc_record.h" +#include "src/mc/mc_protocol.h" +#include "src/mc/mc_client.h" extern "C" { @@ -54,33 +47,31 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_global, mc, e_mc_mode_t mc_mode; -double *mc_time = NULL; +double *mc_time = nullptr; #ifdef HAVE_MC int user_max_depth_reached = 0; /* MC global data structures */ -mc_state_t mc_current_state = NULL; +mc_state_t mc_current_state = nullptr; char mc_replay_mode = FALSE; -__thread mc_comparison_times_t mc_comp_times = NULL; -__thread double mc_snapshot_comparison_time; -mc_stats_t mc_stats = NULL; -mc_global_t initial_global_state = NULL; -xbt_fifo_t mc_stack = NULL; +mc_stats_t mc_stats = nullptr; +mc_global_t initial_global_state = nullptr; +xbt_fifo_t mc_stack = nullptr; /* Liveness */ -xbt_automaton_t _mc_property_automaton = NULL; +xbt_automaton_t _mc_property_automaton = nullptr; /* Dot output */ -FILE *dot_output = NULL; +FILE *dot_output = nullptr; const char *colors[13]; /******************************* Initialisation of MC *******************************/ /*********************************************************************************/ -static void MC_init_dot_output() +void MC_init_dot_output() { /* FIXME : more colors */ colors[0] = "blue"; @@ -99,7 +90,7 @@ static void MC_init_dot_output() dot_output = fopen(_sg_mc_dot_output_file, "w"); - if (dot_output == NULL) { + if (dot_output == nullptr) { perror("Error open dot output file"); xbt_abort(); } @@ -127,46 +118,6 @@ void MC_init() } } -void MC_init_model_checker(pid_t pid, int socket) -{ - mc_model_checker = new simgrid::mc::ModelChecker(pid, socket); - - mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1); - - /* Initialize statistics */ - mc_stats = xbt_new0(s_mc_stats_t, 1); - mc_stats->state_size = 1; - - if ((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0] != '\0')) - MC_init_dot_output(); - - /* Init parmap */ - //parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT); - - /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */ - MC_ignore_local_variable("e", "*"); - MC_ignore_local_variable("__ex_cleanup", "*"); - MC_ignore_local_variable("__ex_mctx_en", "*"); - MC_ignore_local_variable("__ex_mctx_me", "*"); - MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*"); - MC_ignore_local_variable("_log_ev", "*"); - MC_ignore_local_variable("_throw_ctx", "*"); - MC_ignore_local_variable("ctx", "*"); - - MC_ignore_local_variable("self", "simcall_BODY_mc_snapshot"); - MC_ignore_local_variable("next_cont" - "ext", "smx_ctx_sysv_suspend_serial"); - MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial"); - - /* Ignore local variable about time used for tracing */ - MC_ignore_local_variable("start_time", "*"); - - /* Static variable used for tracing */ - MCer_ignore_global_variable("counter"); - - /* SIMIX */ - MCer_ignore_global_variable("smx_total_comms"); -} #endif /******************************* Core of MC *******************************/ @@ -235,7 +186,7 @@ void MC_replay(xbt_fifo_t stack) { int value, count = 1; char *req_str; - smx_simcall_t req = NULL, saved_req = NULL; + smx_simcall_t req = nullptr, saved_req = NULL; xbt_fifo_item_t item, start_item; mc_state_t state; @@ -246,7 +197,7 @@ void MC_replay(xbt_fifo_t stack) start_item = xbt_fifo_get_first_item(stack); state = (mc_state_t)xbt_fifo_get_item_content(start_item); if(state->system_state){ - MC_restore_snapshot(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; @@ -255,7 +206,7 @@ void MC_replay(xbt_fifo_t stack) /* Restore the initial state */ - MC_restore_snapshot(initial_global_state->snapshot); + simgrid::mc::restore_snapshot(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 */ @@ -302,9 +253,9 @@ void MC_replay(xbt_fifo_t stack) MC_simcall_handle(req, value); if (_sg_mc_comms_determinism || _sg_mc_send_determinism) - MC_handle_comm_pattern(call, req, value, NULL, 1); + MC_handle_comm_pattern(call, req, value, nullptr, 1); - MC_wait_for_requests(); + mc_model_checker->wait_for_requests(); count++; } @@ -321,9 +272,9 @@ void MC_replay(xbt_fifo_t stack) void MC_replay_liveness(xbt_fifo_t stack) { xbt_fifo_item_t item; - mc_pair_t pair = NULL; - mc_state_t state = NULL; - smx_simcall_t req = NULL, saved_req = NULL; + mc_pair_t pair = nullptr; + mc_state_t state = nullptr; + smx_simcall_t req = nullptr, saved_req = NULL; int value, depth = 1; char *req_str; @@ -334,13 +285,13 @@ void MC_replay_liveness(xbt_fifo_t stack) item = xbt_fifo_get_first_item(stack); pair = (mc_pair_t) xbt_fifo_get_item_content(item); if(pair->graph_state->system_state){ - MC_restore_snapshot(pair->graph_state->system_state); + simgrid::mc::restore_snapshot(pair->graph_state->system_state); return; } } /* Restore the initial state */ - MC_restore_snapshot(initial_global_state->snapshot); + simgrid::mc::restore_snapshot(initial_global_state->snapshot); /* Traverse the stack from the initial state and re-execute the transitions */ for (item = xbt_fifo_get_last_item(stack); @@ -355,7 +306,7 @@ void MC_replay_liveness(xbt_fifo_t stack) saved_req = MC_state_get_executed_request(state, &value); - if (saved_req != NULL) { + if (saved_req != nullptr) { /* 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); @@ -371,7 +322,7 @@ void MC_replay_liveness(xbt_fifo_t stack) } MC_simcall_handle(req, value); - MC_wait_for_requests(); + mc_model_checker->wait_for_requests(); } /* Update statistics */ @@ -396,7 +347,7 @@ void MC_dump_stack_safety(xbt_fifo_t stack) mc_state_t state; - while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL) + while ((state = (mc_state_t) xbt_fifo_pop(stack)) != nullptr) MC_state_delete(state, !state->in_visited_states ? 1 : 0); } @@ -407,7 +358,7 @@ void MC_show_stack_safety(xbt_fifo_t stack) mc_state_t state; xbt_fifo_item_t item; smx_simcall_t req; - char *req_str = NULL; + char *req_str = nullptr; for (item = xbt_fifo_get_last_item(stack); item; item = xbt_fifo_get_prev_item(item)) { @@ -423,7 +374,7 @@ void MC_show_stack_safety(xbt_fifo_t stack) void MC_show_deadlock(smx_simcall_t req) { - /*char *req_str = NULL; */ + /*char *req_str = nullptr; */ XBT_INFO("**************************"); XBT_INFO("*** DEAD-LOCK DETECTED ***"); XBT_INFO("**************************"); @@ -452,7 +403,7 @@ void MC_show_stack_liveness(xbt_fifo_t stack) mc_pair_t pair; xbt_fifo_item_t item; smx_simcall_t req; - char *req_str = NULL; + char *req_str = nullptr; for (item = xbt_fifo_get_last_item(stack); item; item = xbt_fifo_get_prev_item(item)) { @@ -470,7 +421,7 @@ void MC_show_stack_liveness(xbt_fifo_t stack) void MC_dump_stack_liveness(xbt_fifo_t stack) { mc_pair_t pair; - while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL) + while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != nullptr) MC_pair_delete(pair); } @@ -498,33 +449,37 @@ void MC_print_statistics(mc_stats_t stats) XBT_INFO("Visited pairs = %lu", stats->visited_pairs); } XBT_INFO("Executed transitions = %lu", stats->executed_transitions); - if ((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0] != '\0')) { + if ((_sg_mc_dot_output_file != nullptr) && (_sg_mc_dot_output_file[0] != '\0')) { fprintf(dot_output, "}\n"); fclose(dot_output); } - if (initial_global_state != NULL && (_sg_mc_comms_determinism || _sg_mc_send_determinism)) { + if (initial_global_state != nullptr && (_sg_mc_comms_determinism || _sg_mc_send_determinism)) { XBT_INFO("Send-deterministic : %s", !initial_global_state->send_deterministic ? "No" : "Yes"); if (_sg_mc_comms_determinism) XBT_INFO("Recv-deterministic : %s", !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); + } } void MC_automaton_load(const char *file) { - if (_mc_property_automaton == NULL) + if (_mc_property_automaton == nullptr) _mc_property_automaton = xbt_automaton_new(); xbt_automaton_load(_mc_property_automaton, file); } // TODO, fix cross-process access (this function is not used) -void MC_dump_stacks(FILE* file) +static void MC_dump_stacks(FILE* file) { int nstack = 0; - stack_region_t current_stack; - unsigned cursor; - xbt_dynar_foreach(stacks_areas, cursor, current_stack) { - unw_context_t * context = (unw_context_t *)current_stack->context; + for (auto const& stack : mc_model_checker->process().stack_areas()) { + + xbt_die("Fix cross-process access to the context"); + unw_context_t * context = (unw_context_t *)stack.context; fprintf(file, "Stack %i:\n", nstack); int nframe = 0; @@ -540,7 +495,7 @@ void MC_dump_stacks(FILE* file) unw_get_reg(&c, UNW_X86_64_RIP, &rip); unw_get_reg(&c, UNW_X86_64_RSP, &rsp); fprintf(file, " %i: %s (RIP=0x%" PRIx64 " RSP=0x%" PRIx64 ")\n", - nframe, name, rip, rsp); + nframe, name, (std::uint64_t) rip, (std::uint64_t) rsp); #else fprintf(file, " %i: %s\n", nframe, name); #endif @@ -555,7 +510,7 @@ void MC_dump_stacks(FILE* file) double MC_process_clock_get(smx_process_t process) { if (mc_time) { - if (process != NULL) + if (process != nullptr) return mc_time[process->pid]; else return -1; @@ -581,11 +536,25 @@ void MC_report_assertion_error(void) MC_print_statistics(mc_stats); } -void MC_invalidate_cache(void) +void MC_report_crash(int status) { - if (mc_model_checker) - mc_model_checker->process().cache_flags = 0; + 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:"); + MC_record_dump_path(mc_stack); + MC_dump_stack_safety(mc_stack); + MC_print_statistics(mc_stats); } + #endif }