-/* Copyright (c) 2008-2014. The SimGrid Team.
+/* Copyright (c) 2008-2015. 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 <assert.h>
-#include <string.h>
-#include <stdint.h>
+#include <cinttypes>
+
+#include <cassert>
+#include <cstddef>
+#include <cstdint>
+#include <cstring>
#include "mc_base.h"
#ifdef HAVE_MC
void MC_init()
{
- MC_init_pid(getpid(), -1);
-}
+ mc_time = xbt_new0(double, simix_process_maxpid);
-void MC_init_pid(pid_t pid, int socket)
-{
- /* Initialize the data structures that must be persistent across every
- iteration of the model-checker (in RAW memory) */
+ if (_sg_mc_visited > 0 || _sg_mc_liveness || _sg_mc_termination || mc_mode == MC_MODE_SERVER) {
+ /* Those requests are handled on the client side and propagated by message
+ * to the server: */
- xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
- mc_model_checker = new simgrid::mc::ModelChecker(pid, socket);
+ MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
- // It's not useful anymore:
- if (0 && mc_mode == MC_MODE_SERVER) {
- unsigned long maxpid;
- MC_process_read_variable(&mc_model_checker->process(), "simix_process_maxpid",
- &maxpid, sizeof(maxpid));
- simix_process_maxpid = maxpid;
+ smx_process_t process;
+ xbt_swag_foreach(process, simix_global->process_list) {
+ MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
+ }
}
+}
- mmalloc_set_current_heap(std_heap);
- mc_time = xbt_new0(double, MC_smx_get_maxpid());
- mmalloc_set_current_heap(mc_heap);
+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);
/* Init parmap */
//parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
- mmalloc_set_current_heap(std_heap);
-
- if (_sg_mc_visited > 0 || _sg_mc_liveness || _sg_mc_termination || mc_mode == MC_MODE_SERVER) {
- /* 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", "*");
-
- /* Main MC state: */
- MCer_ignore_global_variable("mc_model_checker");
- MCer_ignore_global_variable("initial_communications_pattern");
- MCer_ignore_global_variable("incomplete_communications_pattern");
- MCer_ignore_global_variable("nb_comm_pattern");
-
- /* MC __thread variables: */
- MCer_ignore_global_variable("mc_diff_info");
- MCer_ignore_global_variable("mc_comp_times");
- MCer_ignore_global_variable("mc_snapshot_comparison_time");
-
- /* This MC state is used in MC replay as well: */
- MCer_ignore_global_variable("mc_time");
-
- /* Static variable used for tracing */
- MCer_ignore_global_variable("counter");
-
- /* SIMIX */
- MCer_ignore_global_variable("smx_total_comms");
-
- if (mc_mode == MC_MODE_CLIENT) {
- /* Those requests are handled on the client side and propagated by message
- * to the server: */
-
- MC_ignore_heap(mc_time, MC_smx_get_maxpid() * sizeof(double));
-
- smx_process_t process;
- xbt_swag_foreach(process, simix_global->process_list) {
- MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
- }
- }
-
- }
-
- mmalloc_set_current_heap(heap);
+ /* 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
{
if (mc_mode == MC_MODE_SERVER) {
int res;
- if ((res = MC_protocol_send_simple_message(mc_model_checker->process().socket,
- MC_MESSAGE_DEADLOCK_CHECK)))
+ if ((res = mc_model_checker->process().send_message(MC_MESSAGE_DEADLOCK_CHECK)))
xbt_die("Could not check deadlock state");
s_mc_int_message_t message;
- ssize_t s = MC_receive_message(mc_model_checker->process().socket, &message, sizeof(message), 0);
+ ssize_t s = mc_model_checker->process().receive_message(message);
if (s == -1)
xbt_die("Could not receive message");
else if (s != sizeof(message) || message.type != MC_MESSAGE_DEADLOCK_CHECK_REPLY) {
smx_process_t process;
if (xbt_swag_size(simix_global->process_list)) {
deadlock = TRUE;
- MC_EACH_SIMIX_PROCESS(process,
+ xbt_swag_foreach(process, simix_global->process_list) {
if (MC_process_is_enabled(process)) {
deadlock = FALSE;
break;
}
- );
+ }
}
return deadlock;
}
*/
void MC_replay(xbt_fifo_t stack)
{
- xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
-
int value, count = 1;
char *req_str;
smx_simcall_t req = NULL, saved_req = NULL;
MC_restore_snapshot(state->system_state);
if(_sg_mc_comms_determinism || _sg_mc_send_determinism)
MC_restore_communications_pattern(state);
- mmalloc_set_current_heap(std_heap);
return;
}
}
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 */
- mmalloc_set_current_heap(std_heap);
start_item = xbt_fifo_get_last_item(stack);
-
- mmalloc_set_current_heap(mc_heap);
if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
// int n = xbt_dynar_length(incomplete_communications_pattern);
}
}
- mmalloc_set_current_heap(std_heap);
-
/* 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);
MC_simcall_handle(req, value);
- mmalloc_set_current_heap(mc_heap);
if (_sg_mc_comms_determinism || _sg_mc_send_determinism)
MC_handle_comm_pattern(call, req, value, NULL, 1);
- mmalloc_set_current_heap(std_heap);
MC_wait_for_requests();
}
XBT_DEBUG("**** End Replay ****");
- mmalloc_set_current_heap(heap);
}
void MC_replay_liveness(xbt_fifo_t stack)
{
-
- initial_global_state->raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
-
xbt_fifo_item_t item;
mc_pair_t pair = NULL;
mc_state_t state = NULL;
pair = (mc_pair_t) xbt_fifo_get_item_content(item);
if(pair->graph_state->system_state){
MC_restore_snapshot(pair->graph_state->system_state);
- mmalloc_set_current_heap(std_heap);
return;
}
}
/* Restore the initial state */
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 */
- if (!initial_global_state->raw_mem_set)
- mmalloc_set_current_heap(std_heap);
-
/* Traverse the stack from the initial state and re-execute the transitions */
for (item = xbt_fifo_get_last_item(stack);
item != xbt_fifo_get_first_item(stack);
}
XBT_DEBUG("**** End Replay ****");
-
- if (initial_global_state->raw_mem_set)
- mmalloc_set_current_heap(mc_heap);
- else
- mmalloc_set_current_heap(std_heap);
-
}
/**
*/
void MC_dump_stack_safety(xbt_fifo_t stack)
{
- xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
-
MC_show_stack_safety(stack);
mc_state_t state;
-
- mmalloc_set_current_heap(mc_heap);
+
while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
MC_state_delete(state, !state->in_visited_states ? 1 : 0);
- mmalloc_set_current_heap(heap);
}
void MC_show_stack_safety(xbt_fifo_t stack)
{
- xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
-
int value;
mc_state_t state;
xbt_fifo_item_t item;
char *req_str = NULL;
for (item = xbt_fifo_get_last_item(stack);
- (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
- : (NULL)); item = xbt_fifo_get_prev_item(item)) {
+ item; item = xbt_fifo_get_prev_item(item)) {
+ state = (mc_state_t)xbt_fifo_get_item_content(item);
req = MC_state_get_executed_request(state, &value);
if (req) {
req_str = MC_request_to_string(req, value, MC_REQUEST_EXECUTED);
xbt_free(req_str);
}
}
-
- mmalloc_set_current_heap(heap);
}
void MC_show_deadlock(smx_simcall_t req)
char *req_str = NULL;
for (item = xbt_fifo_get_last_item(stack);
- (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item))) : (NULL));
- item = xbt_fifo_get_prev_item(item)) {
+ item; item = xbt_fifo_get_prev_item(item)) {
+ pair = (mc_pair_t) xbt_fifo_get_item_content(item);
req = MC_state_get_executed_request(pair->graph_state, &value);
if (req && req->call != SIMCALL_NONE) {
req_str = MC_request_to_string(req, value, MC_REQUEST_EXECUTED);
void MC_dump_stack_liveness(xbt_fifo_t stack)
{
- xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
mc_pair_t pair;
while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
MC_pair_delete(pair);
- mmalloc_set_current_heap(heap);
}
void MC_print_statistics(mc_stats_t stats)
XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
}
XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
- xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
if ((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0] != '\0')) {
fprintf(dot_output, "}\n");
fclose(dot_output);
if (_sg_mc_comms_determinism)
XBT_INFO("Recv-deterministic : %s", !initial_global_state->recv_deterministic ? "No" : "Yes");
}
- mmalloc_set_current_heap(heap);
+ 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)
{
- xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
-
if (_mc_property_automaton == NULL)
_mc_property_automaton = xbt_automaton_new();
xbt_automaton_load(_mc_property_automaton, file);
- mmalloc_set_current_heap(heap);
-}
-
-static void register_symbol(xbt_automaton_propositional_symbol_t symbol)
-{
- if (mc_mode != MC_MODE_CLIENT)
- return;
- s_mc_register_symbol_message_t message;
- message.type = MC_MESSAGE_REGISTER_SYMBOL;
- const char* name = xbt_automaton_propositional_symbol_get_name(symbol);
- if (strlen(name) + 1 > sizeof(message.name))
- xbt_die("Symbol is too long");
- strncpy(message.name, name, sizeof(message.name));
- message.callback = xbt_automaton_propositional_symbol_get_callback(symbol);
- message.data = xbt_automaton_propositional_symbol_get_data(symbol);
- MC_client_send_message(&message, sizeof(message));
-}
-
-void MC_automaton_new_propositional_symbol(const char *id, int(*fct)(void))
-{
- xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
-
- if (_mc_property_automaton == NULL)
- _mc_property_automaton = xbt_automaton_new();
-
- xbt_automaton_propositional_symbol_t symbol = xbt_automaton_propositional_symbol_new(_mc_property_automaton, id, fct);
- register_symbol(symbol);
- mmalloc_set_current_heap(heap);
-}
-
-void MC_automaton_new_propositional_symbol_pointer(const char *id, int* value)
-{
- xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
- if (_mc_property_automaton == NULL)
- _mc_property_automaton = xbt_automaton_new();
- xbt_automaton_propositional_symbol_t symbol = xbt_automaton_propositional_symbol_new_pointer(_mc_property_automaton, id, value);
- register_symbol(symbol);
- mmalloc_set_current_heap(heap);
-}
-
-void MC_automaton_new_propositional_symbol_callback(const char* id,
- xbt_automaton_propositional_symbol_callback_type callback,
- void* data, xbt_automaton_propositional_symbol_free_function_type free_function)
-{
- xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
- if (_mc_property_automaton == NULL)
- _mc_property_automaton = xbt_automaton_new();
- xbt_automaton_propositional_symbol_t symbol = xbt_automaton_propositional_symbol_new_callback(
- _mc_property_automaton, id, callback, data, free_function);
- register_symbol(symbol);
- mmalloc_set_current_heap(heap);
}
// TODO, fix cross-process access (this function is not used)
void MC_dump_stacks(FILE* file)
{
- xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
-
int nstack = 0;
stack_region_t current_stack;
unsigned cursor;
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
++nstack;
}
- mmalloc_set_current_heap(heap);
}
#endif
