#include "mc_private.h"
#include "mc_record.h"
#include "mc_smx.h"
+#include "mc_client.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_comm_determinism, mc,
"Logging specific to MC communication determinism detection");
/********** Static functions ***********/
-static void comm_pattern_free(mc_comm_pattern_t p)
-{
- xbt_free(p->rdv);
- xbt_free(p->data);
- xbt_free(p);
- p = NULL;
-}
-
-static void list_comm_pattern_free(mc_list_comm_pattern_t l)
-{
- xbt_dynar_free(&(l->list));
- xbt_free(l);
- l = NULL;
-}
-
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;
return res;
}
-// 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;
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*) 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);
+ MC_process_read_simple(&mc_model_checker->process,
+ comm_pattern->data, comm->comm.src_buff, comm_pattern->data_size);
}
}
}
}
- comm_pattern_free(comm);
+ MC_comm_pattern_free(comm);
}
/********** Non Static functions ***********/
-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)
+void MC_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);
+ mc_comm_pattern_t pattern = xbt_new0(s_mc_comm_pattern_t, 1);
pattern->data_size = -1;
pattern->data = NULL;
+ // Fill initial_pattern->index_comm:
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) 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_type == MC_CALL_TYPE_SEND) {
/* Create comm pattern */
pattern->type = SIMIX_COMM_SEND;
pattern->comm = simcall_comm_isend__get__result(request);
- // 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;
+
+ s_smx_synchro_t synchro;
+ MC_process_read_simple(&mc_model_checker->process,
+ &synchro, pattern->comm, sizeof(synchro));
+
+ char* remote_name;
+ MC_process_read_simple(&mc_model_checker->process, &remote_name,
+ synchro.comm.rdv ? &synchro.comm.rdv->name : &synchro.comm.rdv_cpy->name,
+ sizeof(remote_name));
+ pattern->rdv =
+ MC_process_read_string(&mc_model_checker->process, remote_name);
+ pattern->src_proc = MC_smx_resolve_process(synchro.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;
+
+ struct s_smpi_mpi_request mpi_request;
+ MC_process_read_simple(&mc_model_checker->process,
+ &mpi_request, (MPI_Request) simcall_comm_isend__get__data(request),
+ sizeof(mpi_request));
+ pattern->tag = mpi_request.tag;
+
+ if(synchro.comm.src_buff != NULL){
+ pattern->data_size = synchro.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);
+ MC_process_read_simple(&mc_model_checker->process,
+ pattern->data, synchro.comm.src_buff, pattern->data_size);
}
- if(((MPI_Request)simcall_comm_isend__get__data(request))->detached){
+ if(mpi_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 if (call_type == MC_CALL_TYPE_RECV) {
pattern->type = SIMIX_COMM_RECEIVE;
pattern->comm = simcall_comm_irecv__get__result(request);
- // 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
+
+ struct s_smpi_mpi_request mpi_request;
+ MC_process_read_simple(&mc_model_checker->process,
+ &mpi_request, (MPI_Request) simcall_comm_irecv__get__data(request),
+ sizeof(mpi_request));
+ pattern->tag = mpi_request.tag;
+
+ s_smx_synchro_t synchro;
+ MC_process_read_simple(&mc_model_checker->process,
+ &synchro, pattern->comm, sizeof(synchro));
+
+ char* remote_name;
+ MC_process_read_simple(&mc_model_checker->process, &remote_name,
+ synchro.comm.rdv ? &synchro.comm.rdv->name : &synchro.comm.rdv_cpy->name,
+ sizeof(remote_name));
+ pattern->rdv =
+ MC_process_read_string(&mc_model_checker->process, remote_name);
+ pattern->dst_proc = MC_smx_resolve_process(synchro.comm.dst_proc)->pid;
pattern->dst_host = MC_smx_process_get_host_name(issuer);
} else {
xbt_die("Unexpected call_type %i", (int) call_type);
XBT_DEBUG("Insert incomplete comm pattern %p for process %lu", pattern, issuer->pid);
}
-void complete_comm_pattern(xbt_dynar_t list, smx_synchro_t comm, unsigned int issuer, int backtracking) {
+void MC_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;
mc_comm_pattern_t comm_pattern;
/************************ Main algorithm ************************/
-void MC_pre_modelcheck_comm_determinism(void)
+static void MC_modelcheck_comm_determinism_main(void);
+
+static void MC_pre_modelcheck_comm_determinism(void)
{
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(mc_list_comm_pattern_t), list_comm_pattern_free_voidp);
+ initial_communications_pattern = xbt_dynar_new(sizeof(mc_list_comm_pattern_t), MC_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->list = xbt_dynar_new(sizeof(mc_comm_pattern_t), MC_comm_pattern_free_voidp);
process_list_pattern->index_comm = 0;
xbt_dynar_insert_at(initial_communications_pattern, i, &process_list_pattern);
}
}
-void MC_modelcheck_comm_determinism(void)
+static void MC_modelcheck_comm_determinism_main(void)
{
char *req_str = NULL;
&& (req = MC_state_get_request(state, &value))
&& (visited_state == NULL)) {
- req_str = MC_request_to_string(req, value);
- XBT_DEBUG("Execute: %s", req_str);
+ req_str = MC_request_to_string(req, value, MC_REQUEST_SIMIX);
+ XBT_DEBUG("Execute: %s", req_str);
xbt_free(req_str);
if (dot_output != NULL) {
/* 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);
+ call = MC_get_call_type(req);
}
/* Answer the request */
MC_SET_MC_HEAP;
if(!initial_global_state->initial_communications_pattern_done)
- handle_comm_pattern(call, req, value, initial_communications_pattern, 0);
+ MC_handle_comm_pattern(call, req, value, initial_communications_pattern, 0);
else
- handle_comm_pattern(call, req, value, NULL, 0);
+ MC_handle_comm_pattern(call, req, value, NULL, 0);
MC_SET_STD_HEAP;
/* Wait for requests (schedules processes) */
return;
}
+
+void MC_modelcheck_comm_determinism(void)
+{
+ if (mc_mode == MC_MODE_CLIENT) {
+ // This will move somehwere else:
+ MC_client_handle_messages();
+ }
+
+ xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
+
+ /* Create exploration stack */
+ mc_stack = xbt_fifo_new();
+
+ MC_SET_STD_HEAP;
+
+ MC_pre_modelcheck_comm_determinism();
+
+ MC_SET_MC_HEAP;
+ initial_global_state = xbt_new0(s_mc_global_t, 1);
+ initial_global_state->snapshot = MC_take_snapshot(0);
+ initial_global_state->initial_communications_pattern_done = 0;
+ initial_global_state->recv_deterministic = 1;
+ initial_global_state->send_deterministic = 1;
+ initial_global_state->recv_diff = NULL;
+ initial_global_state->send_diff = NULL;
+
+ MC_SET_STD_HEAP;
+
+ MC_modelcheck_comm_determinism_main();
+
+ mmalloc_set_current_heap(heap);
+}
