11 /** @brief Constructor */
12 ModelHistory::ModelHistory() :
13 func_counter(1), /* function id starts with 1 */
21 void ModelHistory::enter_function(const uint32_t func_id, thread_id_t tid)
23 //model_print("thread %d entering func %d\n", tid, func_id);
24 uint32_t id = id_to_int(tid);
25 SnapVector<func_id_list_t> * thrd_func_list = model->get_execution()->get_thrd_func_list();
26 SnapVector< SnapList<func_inst_list_t *> *> *
27 thrd_func_inst_lists = model->get_execution()->get_thrd_func_inst_lists();
29 if ( thrd_func_list->size() <= id ) {
30 uint oldsize = thrd_func_list->size();
31 thrd_func_list->resize( id + 1 );
32 for (uint i = oldsize; i < id + 1; i++) {
33 new(&(*thrd_func_list)[i]) func_id_list_t();
34 // push 0 as a dummy function id to a void seg fault
35 (*thrd_func_list)[i].push_back(0);
38 thrd_func_inst_lists->resize( id + 1 );
41 SnapList<func_inst_list_t *> * func_inst_lists = thrd_func_inst_lists->at(id);
43 if (func_inst_lists == NULL) {
44 func_inst_lists = new SnapList< func_inst_list_t *>();
45 thrd_func_inst_lists->at(id) = func_inst_lists;
48 (*thrd_func_list)[id].push_back(func_id);
49 func_inst_lists->push_back( new func_inst_list_t() );
51 if ( func_nodes.size() <= func_id )
52 resize_func_nodes( func_id + 1 );
55 /* @param func_id a non-zero value */
56 void ModelHistory::exit_function(const uint32_t func_id, thread_id_t tid)
58 uint32_t id = id_to_int(tid);
59 SnapVector<func_id_list_t> * thrd_func_list = model->get_execution()->get_thrd_func_list();
60 SnapVector< SnapList<func_inst_list_t *> *> *
61 thrd_func_inst_lists = model->get_execution()->get_thrd_func_inst_lists();
63 SnapList<func_inst_list_t *> * func_inst_lists = thrd_func_inst_lists->at(id);
64 uint32_t last_func_id = (*thrd_func_list)[id].back();
66 if (last_func_id == func_id) {
67 FuncNode * func_node = func_nodes[func_id];
68 func_node->clear_read_map(tid);
70 func_inst_list_t * curr_inst_list = func_inst_lists->back();
71 func_node->link_insts(curr_inst_list);
73 (*thrd_func_list)[id].pop_back();
74 func_inst_lists->pop_back();
76 model_print("trying to exit with a wrong function id\n");
77 model_print("--- last_func: %d, func_id: %d\n", last_func_id, func_id);
79 //model_print("thread %d exiting func %d\n", tid, func_id);
82 void ModelHistory::resize_func_nodes(uint32_t new_size)
84 uint32_t old_size = func_nodes.size();
86 if ( old_size < new_size )
87 func_nodes.resize(new_size);
89 for (uint32_t id = old_size;id < new_size;id++) {
90 const char * func_name = func_map_rev[id];
91 FuncNode * func_node = new FuncNode();
92 func_node->set_func_id(id);
93 func_node->set_func_name(func_name);
94 func_nodes[id] = func_node;
98 void ModelHistory::process_action(ModelAction *act, thread_id_t tid)
100 /* return if thread i has not entered any function or has exited
101 from all functions */
102 SnapVector<func_id_list_t> * thrd_func_list = model->get_execution()->get_thrd_func_list();
103 SnapVector< SnapList<func_inst_list_t *> *> *
104 thrd_func_inst_lists = model->get_execution()->get_thrd_func_inst_lists();
106 uint32_t id = id_to_int(tid);
107 if ( thrd_func_list->size() <= id )
110 /* get the function id that thread i is currently in */
111 uint32_t func_id = (*thrd_func_list)[id].back();
112 SnapList<func_inst_list_t *> * func_inst_lists = thrd_func_inst_lists->at(id);
116 else if ( func_nodes.size() <= func_id )
117 resize_func_nodes( func_id + 1 );
119 FuncNode * func_node = func_nodes[func_id];
120 ASSERT (func_node != NULL);
122 /* add corresponding FuncInst to func_node */
123 FuncInst * inst = func_node->get_or_add_action(act);
129 func_node->store_read(act, tid);
131 if (inst->is_write())
132 add_to_write_history(act->get_location(), act->get_write_value());
134 /* add to curr_inst_list */
135 func_inst_list_t * curr_inst_list = func_inst_lists->back();
136 ASSERT(curr_inst_list != NULL);
137 curr_inst_list->push_back(inst);
140 /* return the FuncNode given its func_id */
141 FuncNode * ModelHistory::get_func_node(uint32_t func_id)
143 if (func_nodes.size() <= func_id) // this node has not been added
146 return func_nodes[func_id];
149 uint64_t ModelHistory::query_last_read(void * location, thread_id_t tid)
151 SnapVector<func_id_list_t> * thrd_func_list = model->get_execution()->get_thrd_func_list();
152 uint32_t id = id_to_int(tid);
154 ASSERT( thrd_func_list->size() > id );
155 uint32_t func_id = (*thrd_func_list)[id].back();
156 FuncNode * func_node = func_nodes[func_id];
158 uint64_t last_read_val = 0xdeadbeef;
159 if (func_node != NULL) {
160 last_read_val = func_node->query_last_read(location, tid);
163 return last_read_val;
166 void ModelHistory::add_to_write_history(void * location, uint64_t write_val)
168 write_set_t * write_set = write_history.get(location);
170 if (write_set == NULL) {
171 write_set = new write_set_t();
172 write_history.put(location, write_set);
175 write_set->add(write_val);
176 write_locations.add(location);
179 void ModelHistory::print_write()
183 void ModelHistory::print_func_node()
185 /* function id starts with 1 */
186 for (uint32_t i = 1; i < func_nodes.size(); i++) {
187 FuncNode * func_node = func_nodes[i];
189 func_inst_list_mt * entry_insts = func_node->get_entry_insts();
190 model_print("function %s has entry actions\n", func_node->get_func_name());
192 mllnode<FuncInst*>* it;
193 for (it = entry_insts->begin();it != NULL;it=it->getNext()) {
194 FuncInst *inst = it->getVal();
195 model_print("type: %d, at: %s\n", inst->get_type(), inst->get_position());
198 func_inst_list_mt * inst_list = funcNode->get_inst_list();
200 model_print("function %s has following actions\n", funcNode->get_func_name());
201 func_inst_list_mt::iterator it;
202 for (it = inst_list->begin(); it != inst_list->end(); it++) {
203 FuncInst *inst = *it;
204 model_print("type: %d, at: %s\n", inst->get_type(), inst->get_position());