-/* Copyright (c) 2008-2013 Da SimGrid Team. All rights reserved. */
+/* Copyright (c) 2008-2014. 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 "../simix/smx_private.h"
#include "xbt/fifo.h"
+#include "mc_state.h"
+#include "mc_request.h"
#include "mc_private.h"
+#include "mc_comm_pattern.h"
+#include "mc_smx.h"
+
+static void copy_incomplete_communications_pattern(mc_state_t state) {
+ int i;
+ xbt_dynar_t incomplete_process_comms;
+ mc_comm_pattern_t comm;
+ unsigned int cursor;
+ state->incomplete_comm_pattern = xbt_dynar_new(sizeof(xbt_dynar_t), xbt_dynar_free_voidp);
+ for (i=0; i<simix_process_maxpid; i++) {
+ incomplete_process_comms = xbt_dynar_get_as(incomplete_communications_pattern, i, xbt_dynar_t);
+ xbt_dynar_t incomplete_process_comms_copy = xbt_dynar_new(sizeof(mc_comm_pattern_t), comm_pattern_free_voidp);
+ xbt_dynar_foreach(incomplete_process_comms, cursor, comm) {
+ mc_comm_pattern_t copy_comm = xbt_new0(s_mc_comm_pattern_t, 1);
+ copy_comm->index = comm->index;
+ copy_comm->type = comm->type;
+ copy_comm->comm = comm->comm;
+ copy_comm->rdv = strdup(comm->rdv);
+ copy_comm->data_size = -1;
+ copy_comm->data = NULL;
+ if(comm->type == SIMIX_COMM_SEND){
+ copy_comm->src_proc = comm->src_proc;
+ copy_comm->src_host = comm->src_host;
+ if (comm->data != NULL) {
+ copy_comm->data_size = comm->data_size;
+ copy_comm->data = xbt_malloc0(comm->data_size);
+ memcpy(copy_comm->data, comm->data, comm->data_size);
+ }
+ }else{
+ copy_comm->dst_proc = comm->dst_proc;
+ copy_comm->dst_host = comm->dst_host;
+ }
+ xbt_dynar_push(incomplete_process_comms_copy, ©_comm);
+ }
+ xbt_dynar_insert_at(state->incomplete_comm_pattern, i, &incomplete_process_comms_copy);
+ }
+}
+
+static void copy_index_communications_pattern(mc_state_t state) {
+
+ state->index_comm = xbt_dynar_new(sizeof(unsigned int), NULL);
+ mc_list_comm_pattern_t list_process_comm;
+ unsigned int cursor;
+ xbt_dynar_foreach(initial_communications_pattern, cursor, list_process_comm){
+ xbt_dynar_push_as(state->index_comm, unsigned int, list_process_comm->index_comm);
+ }
+}
/**
* \brief Creates a state data structure used by the exploration algorithm
mc_state_t MC_state_new()
{
mc_state_t state = NULL;
-
+
state = xbt_new0(s_mc_state_t, 1);
state->max_pid = simix_process_maxpid;
state->proc_status = xbt_new0(s_mc_procstate_t, state->max_pid);
state->system_state = NULL;
state->num = ++mc_stats->expanded_states;
-
+ state->in_visited_states = 0;
+ state->incomplete_comm_pattern = NULL;
+ /* Stateful model checking */
+ if((_sg_mc_checkpoint > 0 && (mc_stats->expanded_states % _sg_mc_checkpoint == 0)) || _sg_mc_termination){
+ state->system_state = MC_take_snapshot(state->num);
+ if(_sg_mc_comms_determinism || _sg_mc_send_determinism){
+ copy_incomplete_communications_pattern(state);
+ copy_index_communications_pattern(state);
+ }
+ }
return state;
}
* \brief Deletes a state data structure
* \param trans The state to be deleted
*/
-void MC_state_delete(mc_state_t state)
-{
- if(state->system_state)
+void MC_state_delete(mc_state_t state, int free_snapshot){
+ if (state->system_state && free_snapshot){
MC_free_snapshot(state->system_state);
+ }
+ if(_sg_mc_comms_determinism || _sg_mc_send_determinism){
+ xbt_free(state->index_comm);
+ xbt_free(state->incomplete_comm_pattern);
+ }
xbt_free(state->proc_status);
xbt_free(state);
}
void MC_state_interleave_process(mc_state_t state, smx_process_t process)
{
+ assert(state);
state->proc_status[process->pid].state = MC_INTERLEAVE;
state->proc_status[process->pid].interleave_count = 0;
}
void MC_state_remove_interleave_process(mc_state_t state, smx_process_t process)
{
- if(state->proc_status[process->pid].state == MC_INTERLEAVE)
+ if (state->proc_status[process->pid].state == MC_INTERLEAVE)
state->proc_status[process->pid].state = MC_DONE;
}
unsigned int MC_state_interleave_size(mc_state_t state)
{
- unsigned int i, size=0;
+ unsigned int i, size = 0;
- for(i=0; i < state->max_pid; i++){
- if((state->proc_status[i].state == MC_INTERLEAVE) || (state->proc_status[i].state == MC_MORE_INTERLEAVE))
+ for (i = 0; i < state->max_pid; i++) {
+ if ((state->proc_status[i].state == MC_INTERLEAVE)
+ || (state->proc_status[i].state == MC_MORE_INTERLEAVE))
size++;
}
return size;
}
-int MC_state_process_is_done(mc_state_t state, smx_process_t process){
+int MC_state_process_is_done(mc_state_t state, smx_process_t process)
+{
return state->proc_status[process->pid].state == MC_DONE ? TRUE : FALSE;
}
-void MC_state_set_executed_request(mc_state_t state, smx_simcall_t req, int value)
+void MC_state_set_executed_request(mc_state_t state, smx_simcall_t req,
+ int value)
{
state->executed_req = *req;
state->req_num = value;
/* The waitany and testany request are transformed into a wait or test request over the
* corresponding communication action so it can be treated later by the dependence
* function. */
- switch(req->call){
- case SIMCALL_COMM_WAITANY:
- state->internal_req.call = SIMCALL_COMM_WAIT;
- state->internal_req.issuer = req->issuer;
- state->internal_comm = *xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), value, smx_action_t);
- simcall_comm_wait__set__comm(&state->internal_req, &state->internal_comm);
- simcall_comm_wait__set__timeout(&state->internal_req, 0);
- break;
-
- case SIMCALL_COMM_TESTANY:
- state->internal_req.call = SIMCALL_COMM_TEST;
- state->internal_req.issuer = req->issuer;
-
- if(value > 0)
- state->internal_comm = *xbt_dynar_get_as(simcall_comm_testany__get__comms(req), value, smx_action_t);
-
- simcall_comm_test__set__comm(&state->internal_req, &state->internal_comm);
- simcall_comm_test__set__result(&state->internal_req, value);
- break;
-
- case SIMCALL_COMM_WAIT:
- state->internal_req = *req;
- state->internal_comm = *(simcall_comm_wait__get__comm(req));
- simcall_comm_wait__set__comm(&state->executed_req, &state->internal_comm);
- simcall_comm_wait__set__comm(&state->internal_req, &state->internal_comm);
- break;
-
- case SIMCALL_COMM_TEST:
- state->internal_req = *req;
- state->internal_comm = *simcall_comm_test__get__comm(req);
- simcall_comm_test__set__comm(&state->executed_req, &state->internal_comm);
- simcall_comm_test__set__comm(&state->internal_req, &state->internal_comm);
- break;
-
- case SIMCALL_MC_RANDOM:
- state->internal_req = *req;
- if(value != simcall_mc_random__get__max(req)){
- xbt_swag_foreach(process, simix_global->process_list){
- procstate = &state->proc_status[process->pid];
- if(process->pid == req->issuer->pid){
- procstate->state = MC_MORE_INTERLEAVE;
- break;
- }
+ switch (req->call) {
+ case SIMCALL_COMM_WAITANY:
+ state->internal_req.call = SIMCALL_COMM_WAIT;
+ state->internal_req.issuer = req->issuer;
+ // FIXME, read from remote process
+ state->internal_comm =
+ *xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), value,
+ smx_synchro_t);
+ simcall_comm_wait__set__comm(&state->internal_req, &state->internal_comm);
+ simcall_comm_wait__set__timeout(&state->internal_req, 0);
+ break;
+
+ case SIMCALL_COMM_TESTANY:
+ state->internal_req.call = SIMCALL_COMM_TEST;
+ state->internal_req.issuer = req->issuer;
+
+ if (value > 0)
+ // FIXME, read from remote process
+ state->internal_comm =
+ *xbt_dynar_get_as(simcall_comm_testany__get__comms(req), value,
+ smx_synchro_t);
+
+ simcall_comm_test__set__comm(&state->internal_req, &state->internal_comm);
+ simcall_comm_test__set__result(&state->internal_req, value);
+ break;
+
+ case SIMCALL_COMM_WAIT:
+ state->internal_req = *req;
+ // FIXME, read from remote process
+ state->internal_comm = *(simcall_comm_wait__get__comm(req));
+ simcall_comm_wait__set__comm(&state->executed_req, &state->internal_comm);
+ simcall_comm_wait__set__comm(&state->internal_req, &state->internal_comm);
+ break;
+
+ case SIMCALL_COMM_TEST:
+ state->internal_req = *req;
+ // FIXME, read from remote process
+ state->internal_comm = *simcall_comm_test__get__comm(req);
+ simcall_comm_test__set__comm(&state->executed_req, &state->internal_comm);
+ simcall_comm_test__set__comm(&state->internal_req, &state->internal_comm);
+ break;
+
+ case SIMCALL_MC_RANDOM:
+ state->internal_req = *req;
+ int random_max = simcall_mc_random__get__max(req);
+ if (value != random_max) {
+ MC_EACH_SIMIX_PROCESS(process,
+ procstate = &state->proc_status[process->pid];
+ const smx_process_t issuer = MC_smx_simcall_get_issuer(req);
+ if (process->pid == issuer->pid) {
+ procstate->state = MC_MORE_INTERLEAVE;
+ break;
}
- }
- break;
+ );
+ }
+ break;
- default:
- state->internal_req = *req;
- break;
+ default:
+ state->internal_req = *req;
+ break;
}
}
-
+
smx_simcall_t MC_state_get_executed_request(mc_state_t state, int *value)
{
*value = state->req_num;
smx_process_t process = NULL;
mc_procstate_t procstate = NULL;
unsigned int start_count;
+ smx_synchro_t act = NULL;
- xbt_swag_foreach(process, simix_global->process_list){
+ MC_EACH_SIMIX_PROCESS(process,
procstate = &state->proc_status[process->pid];
- if(procstate->state == MC_INTERLEAVE || procstate->state == MC_MORE_INTERLEAVE){
- if(MC_process_is_enabled(process)){
- switch(process->simcall.call){
- case SIMCALL_COMM_WAITANY:
- *value = -1;
- while(procstate->interleave_count < xbt_dynar_length(simcall_comm_waitany__get__comms(&process->simcall))){
- if(MC_request_is_enabled_by_idx(&process->simcall, procstate->interleave_count++)){
- *value = procstate->interleave_count-1;
- break;
- }
+ if (procstate->state != MC_INTERLEAVE
+ && procstate->state != MC_MORE_INTERLEAVE)
+ continue;
+ if (!MC_process_is_enabled(process))
+ continue;
+
+ switch (process->simcall.call) {
+ case SIMCALL_COMM_WAITANY:
+ *value = -1;
+ while (procstate->interleave_count <
+ xbt_dynar_length(simcall_comm_waitany__get__comms
+ (&process->simcall))) {
+ if (MC_request_is_enabled_by_idx
+ (&process->simcall, procstate->interleave_count++)) {
+ *value = procstate->interleave_count - 1;
+ break;
}
+ }
- if(procstate->interleave_count >= xbt_dynar_length(simcall_comm_waitany__get__comms(&process->simcall)))
- procstate->state = MC_DONE;
-
- if(*value != -1)
- return &process->simcall;
+ if (procstate->interleave_count >=
+ xbt_dynar_length(simcall_comm_waitany__get__comms
+ (&process->simcall)))
+ procstate->state = MC_DONE;
- break;
+ if (*value != -1)
+ return &process->simcall;
- case SIMCALL_COMM_TESTANY:
- start_count = procstate->interleave_count;
- *value = -1;
- while(procstate->interleave_count < xbt_dynar_length(simcall_comm_testany__get__comms(&process->simcall))){
- if(MC_request_is_enabled_by_idx(&process->simcall, procstate->interleave_count++)){
- *value = procstate->interleave_count - 1;
- break;
- }
+ break;
+
+ case SIMCALL_COMM_TESTANY:
+ start_count = procstate->interleave_count;
+ *value = -1;
+ while (procstate->interleave_count <
+ xbt_dynar_length(simcall_comm_testany__get__comms
+ (&process->simcall))) {
+ if (MC_request_is_enabled_by_idx
+ (&process->simcall, procstate->interleave_count++)) {
+ *value = procstate->interleave_count - 1;
+ break;
}
+ }
- if(procstate->interleave_count >= xbt_dynar_length(simcall_comm_testany__get__comms(&process->simcall)))
- procstate->state = MC_DONE;
+ if (procstate->interleave_count >=
+ xbt_dynar_length(simcall_comm_testany__get__comms
+ (&process->simcall)))
+ procstate->state = MC_DONE;
- if(*value != -1 || start_count == 0)
- return &process->simcall;
+ if (*value != -1 || start_count == 0)
+ return &process->simcall;
- break;
+ break;
- case SIMCALL_COMM_WAIT:
- if(simcall_comm_wait__get__comm(&process->simcall)->comm.src_proc
- && simcall_comm_wait__get__comm(&process->simcall)->comm.dst_proc){
+ case SIMCALL_COMM_WAIT:
+ act = simcall_comm_wait__get__comm(&process->simcall);
+ if (act->comm.src_proc && act->comm.dst_proc) {
+ *value = 0;
+ } else {
+ if (act->comm.src_proc == NULL && act->comm.type == SIMIX_COMM_READY
+ && act->comm.detached == 1)
*value = 0;
- }else{
+ else
*value = -1;
- }
- procstate->state = MC_DONE;
- return &process->simcall;
+ }
+ procstate->state = MC_DONE;
+ return &process->simcall;
- break;
+ break;
- case SIMCALL_MC_RANDOM:
- if(procstate->state == MC_INTERLEAVE)
- *value = 0;
- else{
- if(state->req_num < simcall_mc_random__get__max(&process->simcall))
- *value = state->req_num + 1;
- }
- procstate->state = MC_DONE;
- return &process->simcall;
- break;
-
- default:
- procstate->state = MC_DONE;
+ case SIMCALL_MC_RANDOM:
+ if (procstate->state == MC_INTERLEAVE)
*value = 0;
- return &process->simcall;
- break;
- }
- }
+ else {
+ if (state->req_num < simcall_mc_random__get__max(&process->simcall))
+ *value = state->req_num + 1;
+ }
+ procstate->state = MC_DONE;
+ return &process->simcall;
+ break;
+
+ default:
+ procstate->state = MC_DONE;
+ *value = 0;
+ return &process->simcall;
+ break;
+
}
- }
+ );
return NULL;
}
