/* 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 "mc_state.h"
+#include "mc_comm_pattern.h"
+#include "mc_request.h"
+#include "mc_safety.h"
#include "mc_private.h"
+#include "mc_record.h"
+#include "mc_smx.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_comm_determinism, mc,
"Logging specific to MC communication determinism detection");
xbt_dynar_t initial_communications_pattern;
xbt_dynar_t incomplete_communications_pattern;
-xbt_dynar_t communications_pattern;
-int nb_comm_pattern;
/********** Static functions ***********/
p = NULL;
}
-static void comm_pattern_free_voidp(void *p)
+static void list_comm_pattern_free(mc_list_comm_pattern_t l)
{
- comm_pattern_free((mc_comm_pattern_t) * (void **) p);
-}
-
-static mc_comm_pattern_t get_comm_pattern_from_idx(xbt_dynar_t pattern,
- unsigned int *idx,
- e_smx_comm_type_t type,
- unsigned long proc)
-{
- mc_comm_pattern_t current_comm;
- while (*idx < xbt_dynar_length(pattern)) {
- current_comm =
- (mc_comm_pattern_t) xbt_dynar_get_as(pattern, *idx, mc_comm_pattern_t);
- if (current_comm->type == type && type == SIMIX_COMM_SEND) {
- if (current_comm->src_proc == proc)
- return current_comm;
- } else if (current_comm->type == type && type == SIMIX_COMM_RECEIVE) {
- if (current_comm->dst_proc == proc)
- return current_comm;
- }
- (*idx)++;
- }
- return NULL;
+ xbt_dynar_free(&(l->list));
+ xbt_free(l);
+ l = NULL;
}
-static int compare_comm_pattern(mc_comm_pattern_t comm1,
- mc_comm_pattern_t comm2)
-{
+static e_mc_comm_pattern_difference_t compare_comm_pattern(mc_comm_pattern_t comm1, mc_comm_pattern_t comm2) {
+ if(comm1->type != comm2->type)
+ return TYPE_DIFF;
if (strcmp(comm1->rdv, comm2->rdv) != 0)
- return 1;
+ return RDV_DIFF;
if (comm1->src_proc != comm2->src_proc)
- return 1;
+ return SRC_PROC_DIFF;
if (comm1->dst_proc != comm2->dst_proc)
- return 1;
+ return DST_PROC_DIFF;
+ if (comm1->tag != comm2->tag)
+ return TAG_DIFF;
if (comm1->data_size != comm2->data_size)
- return 1;
- if (memcmp(comm1->data, comm2->data, comm1->data_size) != 0)
- return 1;
+ return DATA_SIZE_DIFF;
+ if(comm1->data == NULL && comm2->data == NULL)
+ return 0;
+ if(comm1->data != NULL && comm2->data !=NULL) {
+ if (!memcmp(comm1->data, comm2->data, comm1->data_size))
+ return 0;
+ return DATA_DIFF;
+ }else{
+ return DATA_DIFF;
+ }
return 0;
}
-static void deterministic_pattern(xbt_dynar_t pattern, int partial)
-{
+static char* print_determinism_result(e_mc_comm_pattern_difference_t diff, int process, mc_comm_pattern_t comm, unsigned int cursor) {
+ char *type, *res;
- unsigned int cursor = 0, send_index = 0, recv_index = 0;
- mc_comm_pattern_t comm1, comm2;
- unsigned int current_process = 1; /* Process 0 corresponds to maestro */
- unsigned int nb_comms1, nb_comms2;
- xbt_dynar_t process_comms_pattern1, process_comms_pattern2;
-
- while (current_process < simix_process_maxpid) {
- process_comms_pattern1 = (xbt_dynar_t)xbt_dynar_get_as(initial_communications_pattern, current_process, xbt_dynar_t);
- process_comms_pattern2 = (xbt_dynar_t)xbt_dynar_get_as(pattern, current_process, xbt_dynar_t);
- nb_comms1 = xbt_dynar_length(process_comms_pattern1);
- nb_comms2 = xbt_dynar_length(process_comms_pattern2);
- if(!xbt_dynar_is_empty((xbt_dynar_t)xbt_dynar_get_as(incomplete_communications_pattern, current_process, xbt_dynar_t)))
- xbt_die("Damn ! Some communications from the process %u are incomplete (%lu)! That means one or several simcalls are not handle.", current_process, xbt_dynar_length((xbt_dynar_t)xbt_dynar_get_as(incomplete_communications_pattern, current_process, xbt_dynar_t)));
- if (!partial && (nb_comms1 != nb_comms2)) {
- XBT_INFO("The total number of communications is different between the compared patterns for the process %u.\n Communication determinism verification for this process cannot be performed.", current_process);
- initial_global_state->send_deterministic = -1;
- initial_global_state->comm_deterministic = -1;
- } else {
- while (cursor < nb_comms2) {
- comm1 = (mc_comm_pattern_t)xbt_dynar_get_as(process_comms_pattern1, cursor, mc_comm_pattern_t);
- if (comm1->type == SIMIX_COMM_SEND) {
- comm2 = get_comm_pattern_from_idx(process_comms_pattern2, &send_index, comm1->type, current_process);
- if (compare_comm_pattern(comm1, comm2)) {
- XBT_INFO("The communications pattern of the process %u is different! (Different communication : %u)", current_process, cursor+1);
- initial_global_state->send_deterministic = 0;
- initial_global_state->comm_deterministic = 0;
- return;
- }
- send_index++;
- } else if (comm1->type == SIMIX_COMM_RECEIVE) {
- comm2 = get_comm_pattern_from_idx(process_comms_pattern2, &recv_index, comm1->type, current_process);
- if (compare_comm_pattern(comm1, comm2)) {
- initial_global_state->comm_deterministic = 0;
- if (!_sg_mc_send_determinism){
- XBT_INFO("The communications pattern of the process %u is different! (Different communication : %u)", current_process, cursor+1);
- return;
- }
- }
- recv_index++;
- }
- cursor++;
- }
- }
- current_process++;
- cursor = 0;
- send_index = 0;
- recv_index = 0;
+ if(comm->type == SIMIX_COMM_SEND)
+ type = bprintf("The send communications pattern of the process %d is different!", process - 1);
+ else
+ type = bprintf("The recv communications pattern of the process %d is different!", process - 1);
+
+ switch(diff) {
+ case TYPE_DIFF:
+ res = bprintf("%s Different type for communication #%d", type, cursor);
+ break;
+ case RDV_DIFF:
+ res = bprintf("%s Different rdv for communication #%d", type, cursor);
+ break;
+ case TAG_DIFF:
+ res = bprintf("%s Different tag for communication #%d", type, cursor);
+ break;
+ case SRC_PROC_DIFF:
+ res = bprintf("%s Different source for communication #%d", type, cursor);
+ break;
+ case DST_PROC_DIFF:
+ res = bprintf("%s Different destination for communication #%d", type, cursor);
+ break;
+ case DATA_SIZE_DIFF:
+ res = bprintf("%s\n Different data size for communication #%d", type, cursor);
+ break;
+ case DATA_DIFF:
+ res = bprintf("%s\n Different data for communication #%d", type, cursor);
+ break;
+ default:
+ res = NULL;
+ break;
}
-}
-static void print_communications_pattern(xbt_dynar_t comms_pattern)
-{
- unsigned int cursor = 0;
- mc_comm_pattern_t current_comm;
- unsigned int current_process = 1;
- xbt_dynar_t current_pattern;
- while (current_process < simix_process_maxpid) {
- current_pattern = (xbt_dynar_t)xbt_dynar_get_as(comms_pattern, current_process, xbt_dynar_t);
- XBT_INFO("Communications from the process %u:", current_process);
- xbt_dynar_foreach(current_pattern, cursor, current_comm) {
- if (current_comm->type == SIMIX_COMM_SEND) {
- XBT_INFO("[(%lu) %s -> (%lu) %s] %s ", current_comm->src_proc,
- current_comm->src_host, current_comm->dst_proc,
- current_comm->dst_host, "iSend");
- } else {
- XBT_INFO("[(%lu) %s <- (%lu) %s] %s ", current_comm->dst_proc,
- current_comm->dst_host, current_comm->src_proc,
- current_comm->src_host, "iRecv");
- }
- }
- current_process++;
- cursor = 0;
- }
+ return res;
}
-static void update_comm_pattern(mc_comm_pattern_t comm_pattern, smx_action_t comm)
+// FIXME, remote comm
+static void update_comm_pattern(mc_comm_pattern_t comm_pattern, smx_synchro_t comm)
{
+ mc_process_t process = &mc_model_checker->process;
void *addr_pointed;
- comm_pattern->src_proc = comm->comm.src_proc->pid;
- comm_pattern->dst_proc = comm->comm.dst_proc->pid;
- comm_pattern->src_host =
- simcall_host_get_name(comm->comm.src_proc->smx_host);
- comm_pattern->dst_host =
- simcall_host_get_name(comm->comm.dst_proc->smx_host);
- if (comm_pattern->data_size == -1) {
+ smx_process_t src_proc = MC_smx_resolve_process(comm->comm.src_proc);
+ smx_process_t dst_proc = MC_smx_resolve_process(comm->comm.dst_proc);
+ comm_pattern->src_proc = src_proc->pid;
+ comm_pattern->dst_proc = dst_proc->pid;
+ // TODO, resolve host name
+ comm_pattern->src_host = MC_smx_process_get_host_name(src_proc);
+ comm_pattern->dst_host = MC_smx_process_get_host_name(dst_proc);
+ if (comm_pattern->data_size == -1 && comm->comm.src_buff != NULL) {
comm_pattern->data_size = *(comm->comm.dst_buff_size);
comm_pattern->data = xbt_malloc0(comm_pattern->data_size);
addr_pointed = *(void **) comm->comm.src_buff;
- if (addr_pointed > (void*) std_heap && addr_pointed < std_heap->breakval)
+ if (addr_pointed > (void*) process->heap_address
+ && addr_pointed < MC_process_get_heap(process)->breakval)
memcpy(comm_pattern->data, addr_pointed, comm_pattern->data_size);
else
memcpy(comm_pattern->data, comm->comm.src_buff, comm_pattern->data_size);
}
}
+static void deterministic_comm_pattern(int process, mc_comm_pattern_t comm, int backtracking) {
+
+ mc_list_comm_pattern_t list_comm_pattern = (mc_list_comm_pattern_t)xbt_dynar_get_as(initial_communications_pattern, process, mc_list_comm_pattern_t);
+
+ if(!backtracking){
+ mc_comm_pattern_t initial_comm = xbt_dynar_get_as(list_comm_pattern->list, list_comm_pattern->index_comm, mc_comm_pattern_t);
+ e_mc_comm_pattern_difference_t diff;
+
+ if((diff = compare_comm_pattern(initial_comm, comm)) != NONE_DIFF){
+ if (comm->type == SIMIX_COMM_SEND){
+ initial_global_state->send_deterministic = 0;
+ if(initial_global_state->send_diff != NULL)
+ xbt_free(initial_global_state->send_diff);
+ initial_global_state->send_diff = print_determinism_result(diff, process, comm, list_comm_pattern->index_comm + 1);
+ }else{
+ initial_global_state->recv_deterministic = 0;
+ if(initial_global_state->recv_diff != NULL)
+ xbt_free(initial_global_state->recv_diff);
+ initial_global_state->recv_diff = print_determinism_result(diff, process, comm, list_comm_pattern->index_comm + 1);
+ }
+ if(_sg_mc_send_determinism && !initial_global_state->send_deterministic){
+ XBT_INFO("*********************************************************");
+ XBT_INFO("***** Non-send-deterministic communications pattern *****");
+ XBT_INFO("*********************************************************");
+ XBT_INFO("%s", initial_global_state->send_diff);
+ xbt_free(initial_global_state->send_diff);
+ initial_global_state->send_diff = NULL;
+ MC_print_statistics(mc_stats);
+ xbt_abort();
+ }else if(_sg_mc_comms_determinism && (!initial_global_state->send_deterministic && !initial_global_state->recv_deterministic)) {
+ XBT_INFO("****************************************************");
+ XBT_INFO("***** Non-deterministic communications pattern *****");
+ XBT_INFO("****************************************************");
+ XBT_INFO("%s", initial_global_state->send_diff);
+ XBT_INFO("%s", initial_global_state->recv_diff);
+ xbt_free(initial_global_state->send_diff);
+ initial_global_state->send_diff = NULL;
+ xbt_free(initial_global_state->recv_diff);
+ initial_global_state->recv_diff = NULL;
+ MC_print_statistics(mc_stats);
+ xbt_abort();
+ }
+ }
+ }
+
+ comm_pattern_free(comm);
+
+}
+
/********** Non Static functions ***********/
-void get_comm_pattern(xbt_dynar_t list, smx_simcall_t request, int call)
+void comm_pattern_free_voidp(void *p) {
+ comm_pattern_free((mc_comm_pattern_t) * (void **) p);
+}
+
+void list_comm_pattern_free_voidp(void *p) {
+ list_comm_pattern_free((mc_list_comm_pattern_t) * (void **) p);
+}
+
+void get_comm_pattern(xbt_dynar_t list, smx_simcall_t request, e_mc_call_type_t call_type, int backtracking)
{
+ mc_process_t process = &mc_model_checker->process;
mc_comm_pattern_t pattern = NULL;
pattern = xbt_new0(s_mc_comm_pattern_t, 1);
- pattern->num = ++nb_comm_pattern;
pattern->data_size = -1;
+ pattern->data = NULL;
+
+ const smx_process_t issuer = MC_smx_simcall_get_issuer(request);
+ mc_list_comm_pattern_t initial_pattern =
+ (mc_list_comm_pattern_t) xbt_dynar_get_as(initial_communications_pattern, issuer->pid, mc_list_comm_pattern_t);
+ xbt_dynar_t incomplete_pattern =
+ (xbt_dynar_t) xbt_dynar_get_as(incomplete_communications_pattern, issuer->pid, xbt_dynar_t);
+ pattern->index =
+ initial_pattern->index_comm + xbt_dynar_length(incomplete_pattern);
+
void *addr_pointed;
- if (call == 1) { // ISEND
+
+ if (call_type == MC_CALL_TYPE_SEND) {
+ /* Create comm pattern */
pattern->type = SIMIX_COMM_SEND;
pattern->comm = simcall_comm_isend__get__result(request);
- pattern->src_proc = pattern->comm->comm.src_proc->pid;
- pattern->src_host = simcall_host_get_name(request->issuer->smx_host);
- pattern->data_size = pattern->comm->comm.src_buff_size;
- pattern->data = xbt_malloc0(pattern->data_size);
- addr_pointed = *(void **) pattern->comm->comm.src_buff;
- if (addr_pointed > (void*) std_heap && addr_pointed < std_heap->breakval)
- memcpy(pattern->data, addr_pointed, pattern->data_size);
- else
- memcpy(pattern->data, pattern->comm->comm.src_buff, pattern->data_size);
- } else { // IRECV
+ // FIXME, remote access to rdv->name
+ pattern->rdv = (pattern->comm->comm.rdv != NULL) ? strdup(pattern->comm->comm.rdv->name) : strdup(pattern->comm->comm.rdv_cpy->name);
+ pattern->src_proc = MC_smx_resolve_process(pattern->comm->comm.src_proc)->pid;
+ pattern->src_host = MC_smx_process_get_host_name(issuer);
+ pattern->tag = ((MPI_Request)simcall_comm_isend__get__data(request))->tag;
+ if(pattern->comm->comm.src_buff != NULL){
+ pattern->data_size = pattern->comm->comm.src_buff_size;
+ pattern->data = xbt_malloc0(pattern->data_size);
+ addr_pointed = *(void **) pattern->comm->comm.src_buff;
+ if (addr_pointed > (void*) process->heap_address
+ && addr_pointed < MC_process_get_heap(process)->breakval)
+ memcpy(pattern->data, addr_pointed, pattern->data_size);
+ else
+ memcpy(pattern->data, pattern->comm->comm.src_buff, pattern->data_size);
+ }
+ if(((MPI_Request)simcall_comm_isend__get__data(request))->detached){
+ if (!initial_global_state->initial_communications_pattern_done) {
+ /* Store comm pattern */
+ xbt_dynar_push(((mc_list_comm_pattern_t)xbt_dynar_get_as(initial_communications_pattern, pattern->src_proc, mc_list_comm_pattern_t))->list, &pattern);
+ } else {
+ /* Evaluate comm determinism */
+ deterministic_comm_pattern(pattern->src_proc, pattern, backtracking);
+ ((mc_list_comm_pattern_t)xbt_dynar_get_as(initial_communications_pattern, pattern->src_proc, mc_list_comm_pattern_t))->index_comm++;
+ }
+ return;
+ }
+ } else if (call_type == MC_CALL_TYPE_RECV) {
pattern->type = SIMIX_COMM_RECEIVE;
pattern->comm = simcall_comm_irecv__get__result(request);
- pattern->dst_proc = pattern->comm->comm.dst_proc->pid;
- pattern->dst_host = simcall_host_get_name(request->issuer->smx_host);
+ // TODO, remote access
+ pattern->tag = ((MPI_Request)simcall_comm_irecv__get__data(request))->tag;
+ pattern->rdv = (pattern->comm->comm.rdv != NULL) ? strdup(pattern->comm->comm.rdv->name) : strdup(pattern->comm->comm.rdv_cpy->name);
+ pattern->dst_proc = MC_smx_resolve_process(pattern->comm->comm.dst_proc)->pid;
+ // FIXME, remote process access
+ pattern->dst_host = MC_smx_process_get_host_name(issuer);
+ } else {
+ xbt_die("Unexpected call_type %i", (int) call_type);
}
- if (pattern->comm->comm.rdv != NULL)
- pattern->rdv = strdup(pattern->comm->comm.rdv->name);
- else
- pattern->rdv = strdup(pattern->comm->comm.rdv_cpy->name);
-
- xbt_dynar_push((xbt_dynar_t)xbt_dynar_get_as(list, request->issuer->pid, xbt_dynar_t), &pattern);
-
- xbt_dynar_push_as((xbt_dynar_t)xbt_dynar_get_as(incomplete_communications_pattern, request->issuer->pid, xbt_dynar_t), int, xbt_dynar_length((xbt_dynar_t)xbt_dynar_get_as(list, request->issuer->pid, xbt_dynar_t)) - 1);
+ xbt_dynar_push((xbt_dynar_t)xbt_dynar_get_as(incomplete_communications_pattern, issuer->pid, xbt_dynar_t), &pattern);
+ XBT_DEBUG("Insert incomplete comm pattern %p for process %lu", pattern, issuer->pid);
}
-void complete_comm_pattern(xbt_dynar_t list, smx_action_t comm)
-{
+void complete_comm_pattern(xbt_dynar_t list, smx_synchro_t comm, unsigned int issuer, int backtracking) {
mc_comm_pattern_t current_comm_pattern;
unsigned int cursor = 0;
- int index;
- unsigned int src = comm->comm.src_proc->pid;
- unsigned int dst = comm->comm.dst_proc->pid;
- int src_completed = 0, dst_completed = 0;
-
- /* Looking for the corresponding communication in the comm pattern list of the src process */
- xbt_dynar_foreach((xbt_dynar_t)xbt_dynar_get_as(incomplete_communications_pattern, src, xbt_dynar_t), cursor, index){
- current_comm_pattern = (mc_comm_pattern_t) xbt_dynar_get_as((xbt_dynar_t)xbt_dynar_get_as(list, src, xbt_dynar_t), index, mc_comm_pattern_t);
- if(current_comm_pattern->comm == comm){
- update_comm_pattern(current_comm_pattern, comm);
- xbt_dynar_remove_at((xbt_dynar_t)xbt_dynar_get_as(incomplete_communications_pattern, src, xbt_dynar_t), cursor, NULL);
- src_completed = 1;
- break;
- }
- }
-
- if(!src_completed)
- xbt_die("Corresponding communication for the source process not found!");
+ mc_comm_pattern_t comm_pattern;
+ int completed = 0;
- cursor = 0;
-
- /* Looking for the corresponding communication in the comm pattern list of the dst process */
- xbt_dynar_foreach((xbt_dynar_t)xbt_dynar_get_as(incomplete_communications_pattern, dst, xbt_dynar_t), cursor, index){
- current_comm_pattern = (mc_comm_pattern_t) xbt_dynar_get_as((xbt_dynar_t)xbt_dynar_get_as(list, dst, xbt_dynar_t), index, mc_comm_pattern_t);
- if(current_comm_pattern->comm == comm){
+ /* Complete comm pattern */
+ xbt_dynar_foreach((xbt_dynar_t)xbt_dynar_get_as(incomplete_communications_pattern, issuer, xbt_dynar_t), cursor, current_comm_pattern) {
+ if (current_comm_pattern-> comm == comm) {
update_comm_pattern(current_comm_pattern, comm);
- xbt_dynar_remove_at((xbt_dynar_t)xbt_dynar_get_as(incomplete_communications_pattern, dst, xbt_dynar_t), cursor, NULL);
- dst_completed = 1;
+ completed = 1;
+ xbt_dynar_remove_at((xbt_dynar_t)xbt_dynar_get_as(incomplete_communications_pattern, issuer, xbt_dynar_t), cursor, &comm_pattern);
+ XBT_DEBUG("Remove incomplete comm pattern for process %u at cursor %u", issuer, cursor);
break;
}
}
-
- if(!dst_completed)
- xbt_die("Corresponding communication for the dest process not found!");
-
-
+ if(!completed)
+ xbt_die("Corresponding communication not found!");
+
+ if (!initial_global_state->initial_communications_pattern_done) {
+ /* Store comm pattern */
+ xbt_dynar_push(((mc_list_comm_pattern_t)xbt_dynar_get_as(initial_communications_pattern, issuer, mc_list_comm_pattern_t))->list, &comm_pattern);
+ } else {
+ /* Evaluate comm determinism */
+ deterministic_comm_pattern(issuer, comm_pattern, backtracking);
+ ((mc_list_comm_pattern_t)xbt_dynar_get_as(initial_communications_pattern, issuer, mc_list_comm_pattern_t))->index_comm++;
+ }
}
+
/************************ Main algorithm ************************/
void MC_pre_modelcheck_comm_determinism(void)
{
-
- int mc_mem_set = (mmalloc_get_current_heap() == mc_heap);
+ MC_SET_MC_HEAP;
mc_state_t initial_state = NULL;
smx_process_t process;
int i;
- if (!mc_mem_set)
- MC_SET_MC_HEAP;
-
if (_sg_mc_visited > 0)
visited_states = xbt_dynar_new(sizeof(mc_visited_state_t), visited_state_free_voidp);
- initial_communications_pattern = xbt_dynar_new(sizeof(xbt_dynar_t), xbt_dynar_free_voidp);
- for (i=0; i<simix_process_maxpid; i++){
- xbt_dynar_t process_pattern = xbt_dynar_new(sizeof(mc_comm_pattern_t), comm_pattern_free_voidp);
- xbt_dynar_insert_at(initial_communications_pattern, i, &process_pattern);
- }
- communications_pattern = xbt_dynar_new(sizeof(xbt_dynar_t), xbt_dynar_free_voidp);
- for (i=0; i<simix_process_maxpid; i++){
- xbt_dynar_t process_pattern = xbt_dynar_new(sizeof(mc_comm_pattern_t), comm_pattern_free_voidp);
- xbt_dynar_insert_at(communications_pattern, i, &process_pattern);
+ initial_communications_pattern = xbt_dynar_new(sizeof(mc_list_comm_pattern_t), list_comm_pattern_free_voidp);
+ for (i=0; i < MC_smx_get_maxpid(); i++){
+ mc_list_comm_pattern_t process_list_pattern = xbt_new0(s_mc_list_comm_pattern_t, 1);
+ process_list_pattern->list = xbt_dynar_new(sizeof(mc_comm_pattern_t), comm_pattern_free_voidp);
+ process_list_pattern->index_comm = 0;
+ xbt_dynar_insert_at(initial_communications_pattern, i, &process_list_pattern);
}
incomplete_communications_pattern = xbt_dynar_new(sizeof(xbt_dynar_t), xbt_dynar_free_voidp);
- for (i=0; i<simix_process_maxpid; i++){
- xbt_dynar_t process_pattern = xbt_dynar_new(sizeof(int), NULL);
+ for (i=0; i < MC_smx_get_maxpid(); i++){
+ xbt_dynar_t process_pattern = xbt_dynar_new(sizeof(mc_comm_pattern_t), NULL);
xbt_dynar_insert_at(incomplete_communications_pattern, i, &process_pattern);
}
- nb_comm_pattern = 0;
-
initial_state = MC_state_new();
-
MC_SET_STD_HEAP;
-
+
XBT_DEBUG("********* Start communication determinism verification *********");
/* Wait for requests (schedules processes) */
MC_SET_MC_HEAP;
/* Get an enabled process and insert it in the interleave set of the initial state */
- xbt_swag_foreach(process, simix_global->process_list) {
+ MC_EACH_SIMIX_PROCESS(process,
if (MC_process_is_enabled(process)) {
MC_state_interleave_process(initial_state, process);
}
- }
+ );
xbt_fifo_unshift(mc_stack, initial_state);
{
char *req_str = NULL;
- int value, call = 0;
+ int value;
mc_visited_state_t visited_state = NULL;
smx_simcall_t req = NULL;
smx_process_t process = NULL;
mc_state_t state = NULL, next_state = NULL;
- smx_action_t current_comm;
- xbt_dynar_t current_pattern;
while (xbt_fifo_size(mc_stack) > 0) {
/* Get current state */
- state =
- (mc_state_t)
- xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack));
+ state = (mc_state_t) xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack));
XBT_DEBUG("**************************************************");
XBT_DEBUG("Exploration depth = %d (state = %d, interleaved processes = %d)",
&& (req = MC_state_get_request(state, &value))
&& (visited_state == NULL)) {
- /* Debug information */
- if (XBT_LOG_ISENABLED(mc_comm_determinism, xbt_log_priority_debug)) {
- req_str = MC_request_to_string(req, value);
- XBT_DEBUG("Execute: %s", req_str);
- xbt_free(req_str);
- }
-
- MC_SET_MC_HEAP;
- if (dot_output != NULL)
+ req_str = MC_request_to_string(req, value);
+ XBT_DEBUG("Execute: %s", req_str);
+ xbt_free(req_str);
+
+ if (dot_output != NULL) {
+ MC_SET_MC_HEAP;
req_str = MC_request_get_dot_output(req, value);
- MC_SET_STD_HEAP;
+ MC_SET_STD_HEAP;
+ }
MC_state_set_executed_request(state, req, value);
mc_stats->executed_transitions++;
/* 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) {
- if (req->call == SIMCALL_COMM_ISEND)
- call = 1;
- else if (req->call == SIMCALL_COMM_IRECV)
- call = 2;
- else if (req->call == SIMCALL_COMM_WAIT)
- call = 3;
- else if (req->call == SIMCALL_COMM_WAITANY)
- call = 4;
+ call = mc_get_call_type(req);
}
/* Answer the request */
- SIMIX_simcall_pre(req, value); /* After this call req is no longer usefull */
+ MC_simcall_handle(req, value); /* After this call req is no longer useful */
MC_SET_MC_HEAP;
- current_pattern = !initial_global_state->initial_communications_pattern_done ? initial_communications_pattern : communications_pattern;
- if (call == 1) { /* Send */
- get_comm_pattern(current_pattern, req, call);
- } else if (call == 2) { /* Recv */
- get_comm_pattern(current_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 */
- complete_comm_pattern(current_pattern, current_comm);
- } 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(current_pattern, current_comm);
- }
+ if(!initial_global_state->initial_communications_pattern_done)
+ handle_comm_pattern(call, req, value, initial_communications_pattern, 0);
+ else
+ handle_comm_pattern(call, req, value, NULL, 0);
MC_SET_STD_HEAP;
- call = 0;
-
/* Wait for requests (schedules processes) */
MC_wait_for_requests();
next_state = MC_state_new();
- if ((visited_state = is_visited_state()) == NULL) {
+ if ((visited_state = is_visited_state(next_state)) == NULL) {
/* Get enabled processes and insert them in the interleave set of the next state */
- xbt_swag_foreach(process, simix_global->process_list) {
+ MC_EACH_SIMIX_PROCESS(process,
if (MC_process_is_enabled(process)) {
MC_state_interleave_process(next_state, process);
}
- }
+ );
if (dot_output != NULL)
- fprintf(dot_output, "\"%d\" -> \"%d\" [%s];\n", state->num,
- next_state->num, req_str);
+ fprintf(dot_output, "\"%d\" -> \"%d\" [%s];\n", state->num, next_state->num, req_str);
} else {
if (dot_output != NULL)
- fprintf(dot_output, "\"%d\" -> \"%d\" [%s];\n", state->num,
- visited_state->other_num == -1 ? visited_state->num : visited_state->other_num, req_str);
+ fprintf(dot_output, "\"%d\" -> \"%d\" [%s];\n", state->num, visited_state->other_num == -1 ? visited_state->num : visited_state->other_num, req_str);
}
MC_SET_MC_HEAP;
- if (initial_global_state->initial_communications_pattern_done) {
- if (!visited_state) {
- deterministic_pattern(communications_pattern, 0);
- } else {
- deterministic_pattern(communications_pattern, 1);
- }
-
- if (_sg_mc_comms_determinism && !initial_global_state->comm_deterministic) {
- XBT_INFO("****************************************************");
- XBT_INFO("***** Non-deterministic communications pattern *****");
- XBT_INFO("****************************************************");
- XBT_INFO("** Initial communications pattern (per process): **");
- print_communications_pattern(initial_communications_pattern);
- XBT_INFO("** Communications pattern counter-example (per process): **");
- print_communications_pattern(communications_pattern);
- MC_print_statistics(mc_stats);
- MC_SET_STD_HEAP;
- return;
- } else if (_sg_mc_send_determinism && !initial_global_state->send_deterministic) {
- XBT_INFO
- ("*********************************************************");
- XBT_INFO
- ("***** Non-send-deterministic communications pattern *****");
- XBT_INFO
- ("*********************************************************");
- XBT_INFO("** Initial communications pattern: **");
- print_communications_pattern(initial_communications_pattern);
- XBT_INFO("** Communications pattern counter-example: **");
- print_communications_pattern(communications_pattern);
- MC_print_statistics(mc_stats);
- MC_SET_STD_HEAP;
- return;
- }
-
- } else {
+ if (!initial_global_state->initial_communications_pattern_done)
initial_global_state->initial_communications_pattern_done = 1;
- }
/* Trash the current state, no longer needed */
xbt_fifo_shift(mc_stack);
- MC_state_delete(state);
- XBT_DEBUG("Delete state %d at depth %d", state->num,
- xbt_fifo_size(mc_stack) + 1);
+ MC_state_delete(state, !state->in_visited_states ? 1 : 0);
+ XBT_DEBUG("Delete state %d at depth %d", state->num, xbt_fifo_size(mc_stack) + 1);
MC_SET_STD_HEAP;
MC_SET_MC_HEAP;
while ((state = xbt_fifo_shift(mc_stack)) != NULL) {
- if (MC_state_interleave_size(state)
- && xbt_fifo_size(mc_stack) < _sg_mc_max_depth) {
+ if (MC_state_interleave_size(state) && xbt_fifo_size(mc_stack) < _sg_mc_max_depth) {
/* We found a back-tracking point, let's loop */
- XBT_DEBUG("Back-tracking to state %d at depth %d", state->num,
- xbt_fifo_size(mc_stack) + 1);
+ XBT_DEBUG("Back-tracking to state %d at depth %d", state->num, xbt_fifo_size(mc_stack) + 1);
xbt_fifo_unshift(mc_stack, state);
MC_SET_STD_HEAP;
- MC_replay(mc_stack, -1);
+ MC_replay(mc_stack);
+
+ XBT_DEBUG("Back-tracking to state %d at depth %d done", state->num, xbt_fifo_size(mc_stack));
- XBT_DEBUG("Back-tracking to state %d at depth %d done", state->num,
- xbt_fifo_size(mc_stack));
break;
} else {
- XBT_DEBUG("Delete state %d at depth %d", state->num,
- xbt_fifo_size(mc_stack) + 1);
- MC_state_delete(state);
+ XBT_DEBUG("Delete state %d at depth %d", state->num, xbt_fifo_size(mc_stack) + 1);
+ MC_state_delete(state, !state->in_visited_states ? 1 : 0);
}
}
