int _sg_do_model_check = 0;
int _sg_mc_checkpoint = 0;
+int _sg_mc_sparse_checkpoint = 0;
+int _sg_mc_soft_dirty = 1;
char *_sg_mc_property_file = NULL;
int _sg_mc_timeout = 0;
int _sg_mc_hash = 0;
_sg_mc_checkpoint = xbt_cfg_get_int(_sg_cfg_set, name);
}
+void _mc_cfg_cb_sparse_checkpoint(const char *name, int pos) {
+ if (_sg_cfg_init_status && !_sg_do_model_check) {
+ xbt_die("You are specifying a checkpointing value after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
+ }
+ _sg_mc_sparse_checkpoint = xbt_cfg_get_boolean(_sg_cfg_set, name);
+}
+
+void _mc_cfg_cb_soft_dirty(const char *name, int pos) {
+ if (_sg_cfg_init_status && !_sg_do_model_check) {
+ xbt_die("You are specifying a soft dirty value after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
+ }
+ _sg_mc_soft_dirty = xbt_cfg_get_boolean(_sg_cfg_set, name);
+}
+
void _mc_cfg_cb_property(const char *name, int pos)
{
if (_sg_cfg_init_status && !_sg_do_model_check) {
("You are specifying a value to enable/disable the detection of determinism in the communications schemes after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
}
_sg_mc_comms_determinism = xbt_cfg_get_boolean(_sg_cfg_set, name);
+ mc_reduce_kind = e_mc_reduce_none;
}
void _mc_cfg_cb_send_determinism(const char *name, int pos)
("You are specifying a value to enable/disable the detection of send-determinism in the communications schemes after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
}
_sg_mc_send_determinism = xbt_cfg_get_boolean(_sg_cfg_set, name);
+ mc_reduce_kind = e_mc_reduce_none;
}
/* MC global data structures */
}
+mc_model_checker_t mc_model_checker = NULL;
+
void MC_init()
{
-
int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
mc_time = xbt_new0(double, simix_process_maxpid);
MC_SET_MC_HEAP;
+ mc_model_checker = xbt_new0(s_mc_model_checker_t, 1);
+ mc_model_checker->pages = mc_pages_store_new();
+ mc_model_checker->fd_clear_refs = -1;
+ mc_model_checker->fd_pagemap = -1;
+
mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
/* Initialize statistics */
MC_SET_STD_HEAP;
- if (_sg_mc_visited > 0
- || (_sg_mc_property_file && _sg_mc_property_file[0] != '\0')) {
+ if (_sg_mc_visited > 0 || _sg_mc_liveness) {
/* 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("ctx", "*");
MC_ignore_local_variable("self", "simcall_BODY_mc_snapshot");
- MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
+ 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", "*");
+ MC_ignore_global_variable("mc_model_checker");
+
+ // Mot of those things could be moved into mc_model_checker:
MC_ignore_global_variable("compared_pointers");
MC_ignore_global_variable("mc_comp_times");
MC_ignore_global_variable("mc_snapshot_comparison_time");
MC_ignore_global_variable("maestro_stack_start");
MC_ignore_global_variable("maestro_stack_end");
MC_ignore_global_variable("smx_total_comms");
+ MC_ignore_global_variable("communications_pattern");
+ MC_ignore_global_variable("initial_communications_pattern");
+ MC_ignore_global_variable("incomplete_communications_pattern");
+
+ if (MC_is_active()) {
+ MC_ignore_global_variable("mc_diff_info");
+ }
MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
- /*smx_process_t process;
+ smx_process_t process;
xbt_swag_foreach(process, simix_global->process_list) {
MC_ignore_heap(&(process->process_hookup),
sizeof(process->process_hookup));
- }*/
+ }
}
if (raw_mem_set)
{
int raw_mem = (mmalloc_get_current_heap() == mc_heap);
- int value, i = 1, count = 1;
+ int value, i = 1, count = 1, call = 0, j;
char *req_str;
smx_simcall_t req = NULL, saved_req = NULL;
xbt_fifo_item_t item, start_item;
mc_state_t state;
smx_process_t process = NULL;
- int comm_pattern = 0;
smx_action_t current_comm;
XBT_DEBUG("**** Begin Replay ****");
MC_SET_MC_HEAP;
- if ((mc_reduce_kind == e_mc_reduce_dpor) && !_sg_mc_comms_determinism && !_sg_mc_send_determinism) {
+ if (mc_reduce_kind == e_mc_reduce_dpor) {
xbt_dict_reset(first_enabled_state);
xbt_swag_foreach(process, simix_global->process_list) {
if (MC_process_is_enabled(process)) {
}
if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
- xbt_dynar_reset(communications_pattern);
- xbt_dynar_reset(incomplete_communications_pattern);
+ for (j=0; j<simix_process_maxpid; j++) {
+ xbt_dynar_reset((xbt_dynar_t)xbt_dynar_get_as(communications_pattern, j, xbt_dynar_t));
+ }
+ for (j=0; j<simix_process_maxpid; j++) {
+ xbt_dynar_reset((xbt_dynar_t)xbt_dynar_get_as(incomplete_communications_pattern, j, xbt_dynar_t));
+ }
}
MC_SET_STD_HEAP;
state = (mc_state_t) xbt_fifo_get_item_content(item);
saved_req = MC_state_get_executed_request(state, &value);
- if ((mc_reduce_kind == e_mc_reduce_dpor) && !_sg_mc_comms_determinism && !_sg_mc_send_determinism) {
+ if (mc_reduce_kind == e_mc_reduce_dpor) {
MC_SET_MC_HEAP;
char *key = bprintf("%lu", saved_req->issuer->pid);
- xbt_dict_remove(first_enabled_state, key);
+ if(xbt_dict_get_or_null(first_enabled_state, key))
+ xbt_dict_remove(first_enabled_state, key);
xbt_free(key);
MC_SET_STD_HEAP;
}
/* TODO : handle test and testany simcalls */
if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
if (req->call == SIMCALL_COMM_ISEND)
- comm_pattern = 1;
+ call = 1;
else if (req->call == SIMCALL_COMM_IRECV)
- comm_pattern = 2;
+ call = 2;
else if (req->call == SIMCALL_COMM_WAIT)
- comm_pattern = 3;
+ call = 3;
else if (req->call == SIMCALL_COMM_WAITANY)
- comm_pattern = 4;
+ call = 4;
}
SIMIX_simcall_pre(req, value);
if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
MC_SET_MC_HEAP;
- if (comm_pattern == 1 || comm_pattern == 2) {
- get_comm_pattern(communications_pattern, req, comm_pattern);
- } else if (comm_pattern == 3 /* || comm_pattern == 4 */ ) {
+ if (call == 1) { /* Send */
+ get_comm_pattern(communications_pattern, req, call);
+ } else if (call == 2) { /* Recv */
+ get_comm_pattern(communications_pattern, req, call);
+ } else if (call == 3) { /* Wait */
current_comm = simcall_comm_wait__get__comm(req);
- if (current_comm->comm.refcount == 1) { /* First wait only must be considered */
+ if (current_comm->comm.refcount == 1) /* First wait only must be considered */
complete_comm_pattern(communications_pattern, current_comm);
- }
- } else if (comm_pattern == 4 /* || comm_pattern == 4 */ ) {
- current_comm =
- xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), value,
- smx_action_t);
- if (current_comm->comm.refcount == 1) { /* First wait only must be considered */
+ } else if (call == 4) { /* WaitAny */
+ current_comm = xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), value, smx_action_t);
+ if (current_comm->comm.refcount == 1) /* First wait only must be considered */
complete_comm_pattern(communications_pattern, current_comm);
- }
}
MC_SET_STD_HEAP;
- comm_pattern = 0;
+ call = 0;
}
count++;
- if ((mc_reduce_kind == e_mc_reduce_dpor) && !_sg_mc_comms_determinism && !_sg_mc_send_determinism) {
+ if (mc_reduce_kind == e_mc_reduce_dpor) {
MC_SET_MC_HEAP;
/* Insert in dict all enabled processes */
xbt_swag_foreach(process, simix_global->process_list) {
void MC_print_statistics(mc_stats_t stats)
{
+ xbt_mheap_t previous_heap = mmalloc_get_current_heap();
+
if (stats->expanded_pairs == 0) {
XBT_INFO("Expanded states = %lu", stats->expanded_states);
XBT_INFO("Visited states = %lu", stats->visited_states);
XBT_INFO("Send-deterministic : %s",
!initial_global_state->send_deterministic ? "No" : "Yes");
}
- MC_SET_STD_HEAP;
+ mmalloc_set_current_heap(previous_heap);
}
void MC_assert(int prop)