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remove a few smells in instrumentation
[simgrid.git] / src / instr / instr_trace.cpp
index e5ebbf2..7112549 100644 (file)
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(instr_trace, instr, "tracing event system");
 
-FILE *tracing_file = NULL;
+FILE *tracing_file = nullptr;
 
 void print_NULL(paje_event_t event){}
 
 /* The active set of functions for the selected trace format
  * By default, they all do nothing, hence the print_NULL to avoid segfaults */
 
-s_instr_trace_writer_t active_writer = {
-    print_NULL, print_NULL, print_NULL, print_NULL,
-    print_NULL, print_NULL, print_NULL, print_NULL,
-    print_NULL, print_NULL, print_NULL, print_NULL,
-    print_NULL, print_NULL, print_NULL, print_NULL,
-    print_NULL, print_NULL
-};
+s_instr_trace_writer_t active_writer = {&print_NULL, &print_NULL, &print_NULL, &print_NULL, &print_NULL, &print_NULL,
+                                        &print_NULL, &print_NULL, &print_NULL, &print_NULL, &print_NULL, &print_NULL,
+                                        &print_NULL, &print_NULL, &print_NULL, &print_NULL, &print_NULL, &print_NULL};
 
-xbt_dynar_t buffer = NULL;
+std::vector<paje_event_t> buffer;
 
 void dump_comment (const char *comment)
 {
-  if (!strlen(comment)) return;
+  if (!strlen(comment))
+    return;
   fprintf (tracing_file, "# %s\n", comment);
 }
 
 void dump_comment_file (const char *filename)
 {
-  if (!strlen(filename)) return;
+  if (!strlen(filename))
+    return;
   FILE *file = fopen (filename, "r");
   if (!file){
     THROWF (system_error, 1, "Comment file %s could not be opened for reading.", filename);
@@ -44,55 +42,44 @@ void dump_comment_file (const char *filename)
   while (!feof(file)){
     char c;
     c = fgetc(file);
-    if (feof(file)) break;
+    if (feof(file))
+      break;
     fprintf (tracing_file, "# ");
     while (c != '\n'){
       fprintf (tracing_file, "%c", c);
       c = fgetc(file);
-      if (feof(file)) break;
+      if (feof(file))
+        break;
     }
     fprintf (tracing_file, "\n");
   }
   fclose(file);
 }
 
-void TRACE_init()
-{
-  buffer = xbt_dynar_new(sizeof(paje_event_t), NULL);
-}
-
-void TRACE_finalize()
-{
-  xbt_dynar_free(&buffer);
-}
-
 double TRACE_last_timestamp_to_dump = 0;
 //dumps the trace file until the timestamp TRACE_last_timestamp_to_dump
 void TRACE_paje_dump_buffer (int force)
 {
-  if (!TRACE_is_enabled()) return;
+  if (!TRACE_is_enabled())
+    return;
   XBT_DEBUG("%s: dump until %f. starts", __FUNCTION__, TRACE_last_timestamp_to_dump);
   if (force){
-    paje_event_t event;
-    unsigned int i;
-    xbt_dynar_foreach(buffer, i, event){
+    for (auto event :buffer){
       event->print (event);
       event->free (event);
     }
-    xbt_dynar_free (&buffer);
-    buffer = xbt_dynar_new (sizeof(paje_event_t), NULL);
+    buffer.clear();
   }else{
-    paje_event_t event;
-    unsigned int cursor;
-    xbt_dynar_foreach(buffer, cursor, event) {
+    std::vector<paje_event_t>::iterator i = buffer.begin();
+    for (auto event :buffer){
       double head_timestamp = event->timestamp;
-      if (head_timestamp > TRACE_last_timestamp_to_dump){
+      if (head_timestamp > TRACE_last_timestamp_to_dump)
         break;
-      }
       event->print (event);
       event->free (event);
+      ++i;
     }
-    xbt_dynar_remove_n_at(buffer, cursor, 0);
+    buffer.erase(buffer.begin(), i);
   }
   XBT_DEBUG("%s: ends", __FUNCTION__);
 }
@@ -106,20 +93,20 @@ static void insert_into_buffer (paje_event_t tbi)
     return;
   }
 
-  XBT_DEBUG("%s: insert event_type=%d, timestamp=%f, buffersize=%lu)",
-      __FUNCTION__, (int)tbi->event_type, tbi->timestamp, xbt_dynar_length(buffer));
-
-  unsigned int i;
-  for (i = xbt_dynar_length(buffer); i > 0; i--) {
-    paje_event_t e1 = *(paje_event_t*)xbt_dynar_get_ptr(buffer, i - 1);
+  XBT_DEBUG("%s: insert event_type=%d, timestamp=%f, buffersize=%zu)",
+      __FUNCTION__, (int)tbi->event_type, tbi->timestamp, buffer.size());
+  std::vector<paje_event_t>::reverse_iterator i;
+  for (i = buffer.rbegin(); i != buffer.rend(); ++i) {
+    paje_event_t e1 = *i;
     if (e1->timestamp <= tbi->timestamp)
       break;
   }
-  xbt_dynar_insert_at(buffer, i, &tbi);
-  if (i == 0)
+  buffer.insert(i.base(), tbi);
+  if (i == buffer.rend())
     XBT_DEBUG("%s: inserted at beginning", __FUNCTION__);
   else
-    XBT_DEBUG("%s: inserted at%s %u", __FUNCTION__, (i == xbt_dynar_length(buffer) - 1 ? " end, pos =" : ""), i);
+    XBT_DEBUG("%s: inserted at%s %zd", __FUNCTION__, (i == buffer.rbegin()) ? " end" :"pos =",
+        std::distance(buffer.rend(),i));
 }
 
 static void free_paje_event (paje_event_t event)
@@ -147,9 +134,9 @@ void new_pajeDefineContainerType(type_t type)
   event->event_type = PAJE_DefineContainerType;
   event->timestamp = 0;
   event->print = active_writer.print_DefineContainerType;
-  event->free free_paje_event;
+  event->free                                  = &free_paje_event;
   event->data = xbt_new0(s_defineContainerType_t, 1);
-  ((defineContainerType_t)(event->data))->type = type;
+  (static_cast<defineContainerType_t>(event->data))->type = type;
 
   XBT_DEBUG("%s: event_type=%d", __FUNCTION__, (int)event->event_type);
 
@@ -164,9 +151,9 @@ void new_pajeDefineVariableType(type_t type)
   event->event_type = PAJE_DefineVariableType;
   event->timestamp = 0;
   event->print = active_writer.print_DefineVariableType;
-  event->free free_paje_event;
+  event->free                                 = &free_paje_event;
   event->data = xbt_new0(s_defineVariableType_t, 1);
-  ((defineVariableType_t)(event->data))->type = type;
+  (static_cast<defineVariableType_t>(event->data))->type = type;
 
   XBT_DEBUG("%s: event_type=%d", __FUNCTION__, (int)event->event_type);
 
@@ -181,9 +168,9 @@ void new_pajeDefineStateType(type_t type)
   event->event_type = PAJE_DefineStateType;
   event->timestamp = 0;
   event->print = active_writer.print_DefineStateType;
-  event->free free_paje_event;
+  event->free                              = &free_paje_event;
   event->data = xbt_new0(s_defineStateType_t, 1);
-  ((defineStateType_t)(event->data))->type = type;
+  (static_cast<defineStateType_t>(event->data))->type = type;
 
   XBT_DEBUG("%s: event_type=%d", __FUNCTION__, (int)event->event_type);
 
@@ -198,9 +185,9 @@ void new_pajeDefineEventType(type_t type)
   event->event_type = PAJE_DefineEventType;
   event->timestamp = 0;
   event->print = active_writer.print_DefineEventType;
-  event->free free_paje_event;
+  event->free                              = &free_paje_event;
   event->data = xbt_new0(s_defineEventType_t, 1);
-  ((defineEventType_t)(event->data))->type = type;
+  (static_cast<defineEventType_t>(event->data))->type = type;
 
   XBT_DEBUG("%s: event_type=%d", __FUNCTION__, (int)event->event_type);
 
@@ -215,11 +202,11 @@ void new_pajeDefineLinkType(type_t type, type_t source, type_t dest)
   event->event_type = PAJE_DefineLinkType;
   event->timestamp = 0;
   event->print = active_writer.print_DefineLinkType;
-  event->free free_paje_event;
+  event->free                               = &free_paje_event;
   event->data = xbt_new0(s_defineLinkType_t, 1);
-  ((defineLinkType_t)(event->data))->type = type;
-  ((defineLinkType_t)(event->data))->source = source;
-  ((defineLinkType_t)(event->data))->dest = dest;
+  (static_cast<defineLinkType_t>(event->data))->type = type;
+  (static_cast<defineLinkType_t>(event->data))->source = source;
+  (static_cast<defineLinkType_t>(event->data))->dest = dest;
 
   XBT_DEBUG("%s: event_type=%d", __FUNCTION__, (int)event->event_type);
 
@@ -234,9 +221,9 @@ void new_pajeDefineEntityValue (val_t value)
   event->event_type = PAJE_DefineEntityValue;
   event->timestamp = 0;
   event->print = active_writer.print_DefineEntityValue;
-  event->free free_paje_event;
+  event->free                                 = &free_paje_event;
   event->data = xbt_new0(s_defineEntityValue_t, 1);
-  ((defineEntityValue_t)(event->data))->value = value;
+  (static_cast<defineEntityValue_t>(event->data))->value = value;
 
   XBT_DEBUG("%s: event_type=%d", __FUNCTION__, (int)event->event_type);
 
@@ -251,9 +238,9 @@ void new_pajeCreateContainer (container_t container)
   event->event_type = PAJE_CreateContainer;
   event->timestamp = SIMIX_get_clock();
   event->print = active_writer.print_CreateContainer;
-  event->free free_paje_event;
+  event->free                                   = &free_paje_event;
   event->data = xbt_new0(s_createContainer_t, 1);
-  ((createContainer_t)(event->data))->container = container;
+  (static_cast<createContainer_t>(event->data))->container = container;
 
   XBT_DEBUG("%s: event_type=%d, timestamp=%f", __FUNCTION__, (int)event->event_type, event->timestamp);
 
@@ -268,9 +255,9 @@ void new_pajeDestroyContainer (container_t container)
   event->event_type = PAJE_DestroyContainer;
   event->timestamp = SIMIX_get_clock();
   event->print = active_writer.print_DestroyContainer;
-  event->free free_paje_event;
+  event->free                                    = &free_paje_event;
   event->data = xbt_new0(s_destroyContainer_t, 1);
-  ((destroyContainer_t)(event->data))->container = container;
+  (static_cast<destroyContainer_t>(event->data))->container = container;
 
   XBT_DEBUG("%s: event_type=%d, timestamp=%f", __FUNCTION__, (int)event->event_type, event->timestamp);
 
@@ -285,11 +272,11 @@ void new_pajeSetVariable (double timestamp, container_t container, type_t type,
   event->event_type = PAJE_SetVariable;
   event->timestamp = timestamp;
   event->print = active_writer.print_SetVariable;
-  event->free free_paje_event;
+  event->free                               = &free_paje_event;
   event->data = xbt_new0(s_setVariable_t, 1);
-  ((setVariable_t)(event->data))->type = type;
-  ((setVariable_t)(event->data))->container = container;
-  ((setVariable_t)(event->data))->value = value;
+  (static_cast<setVariable_t>(event->data))->type = type;
+  (static_cast<setVariable_t>(event->data))->container = container;
+  (static_cast<setVariable_t>(event->data))->value = value;
 
   XBT_DEBUG("%s: event_type=%d, timestamp=%f", __FUNCTION__, (int)event->event_type, event->timestamp);
 
@@ -303,11 +290,11 @@ void new_pajeAddVariable (double timestamp, container_t container, type_t type,
   event->event_type = PAJE_AddVariable;
   event->timestamp = timestamp;
   event->print = active_writer.print_AddVariable;
-  event->free free_paje_event;
+  event->free                               = &free_paje_event;
   event->data = xbt_new0(s_addVariable_t, 1);
-  ((addVariable_t)(event->data))->type = type;
-  ((addVariable_t)(event->data))->container = container;
-  ((addVariable_t)(event->data))->value = value;
+  (static_cast<addVariable_t>(event->data))->type = type;
+  (static_cast<addVariable_t>(event->data))->container = container;
+  (static_cast<addVariable_t>(event->data))->value = value;
 
   XBT_DEBUG("%s: event_type=%d, timestamp=%f", __FUNCTION__, (int)event->event_type, event->timestamp);
 
@@ -320,11 +307,11 @@ void new_pajeSubVariable (double timestamp, container_t container, type_t type,
   event->event_type = PAJE_SubVariable;
   event->timestamp = timestamp;
   event->print = active_writer.print_SubVariable;
-  event->free free_paje_event;
+  event->free                               = &free_paje_event;
   event->data = xbt_new0(s_subVariable_t, 1);
-  ((subVariable_t)(event->data))->type = type;
-  ((subVariable_t)(event->data))->container = container;
-  ((subVariable_t)(event->data))->value = value;
+  (static_cast<subVariable_t>(event->data))->type = type;
+  (static_cast<subVariable_t>(event->data))->container = container;
+  (static_cast<subVariable_t>(event->data))->value = value;
 
   XBT_DEBUG("%s: event_type=%d, timestamp=%f", __FUNCTION__, (int)event->event_type, event->timestamp);
 
@@ -337,21 +324,21 @@ void new_pajeSetState (double timestamp, container_t container, type_t type, val
   event->event_type = PAJE_SetState;
   event->timestamp = timestamp;
   event->print = active_writer.print_SetState;
-  event->free free_paje_event;
+  event->free                            = &free_paje_event;
   event->data = xbt_new0(s_setState_t, 1);
-  ((setState_t)(event->data))->type = type;
-  ((setState_t)(event->data))->container = container;
-  ((setState_t)(event->data))->value = value;
+  (static_cast<setState_t>(event->data))->type = type;
+  (static_cast<setState_t>(event->data))->container = container;
+  (static_cast<setState_t>(event->data))->value = value;
 
 #if HAVE_SMPI
   if (xbt_cfg_get_boolean("smpi/trace-call-location")) {
     smpi_trace_call_location_t* loc = smpi_trace_get_call_location();
-    ((setState_t)(event->data))->filename   = loc->filename;
-    ((setState_t)(event->data))->linenumber = loc->linenumber;
+    (static_cast<setState_t>(event->data))->filename   = loc->filename;
+    (static_cast<setState_t>(event->data))->linenumber = loc->linenumber;
   }
 #endif
 
-  XBT_DEBUG("%s: event_type=%d, timestamp=%f", __FUNCTION__, (int)event->event_type, event->timestamp);
+  XBT_DEBUG("%s: event_type=%d, timestamp=%f", __FUNCTION__, static_cast<int>(event->event_type), event->timestamp);
 
   insert_into_buffer (event);
 }
@@ -363,22 +350,22 @@ void new_pajePushStateWithExtra (double timestamp, container_t container, type_t
   event->event_type = PAJE_PushState;
   event->timestamp = timestamp;
   event->print = active_writer.print_PushState;
-  event->free free_paje_event;
+  event->free                             = &free_paje_event;
   event->data = xbt_new0(s_pushState_t, 1);
-  ((pushState_t)(event->data))->type = type;
-  ((pushState_t)(event->data))->container = container;
-  ((pushState_t)(event->data))->value = value;
-  ((pushState_t)(event->data))->extra = extra;
+  (static_cast<pushState_t>(event->data))->type = type;
+  (static_cast<pushState_t>(event->data))->container = container;
+  (static_cast<pushState_t>(event->data))->value = value;
+  (static_cast<pushState_t>(event->data))->extra = extra;
 
 #if HAVE_SMPI
   if (xbt_cfg_get_boolean("smpi/trace-call-location")) {
     smpi_trace_call_location_t* loc = smpi_trace_get_call_location();
-    ((pushState_t)(event->data))->filename   = loc->filename;
-    ((pushState_t)(event->data))->linenumber = loc->linenumber;
+    (static_cast<pushState_t>(event->data))->filename   = loc->filename;
+    (static_cast<pushState_t>(event->data))->linenumber = loc->linenumber;
   }
 #endif
 
-  XBT_DEBUG("%s: event_type=%d, timestamp=%f", __FUNCTION__, (int)event->event_type, event->timestamp);
+  XBT_DEBUG("%s: event_type=%d, timestamp=%f", __FUNCTION__, static_cast<int>(event->event_type), event->timestamp);
 
   insert_into_buffer (event);
 }
@@ -395,10 +382,10 @@ void new_pajePopState (double timestamp, container_t container, type_t type)
   event->event_type = PAJE_PopState;
   event->timestamp = timestamp;
   event->print = active_writer.print_PopState;
-  event->free free_paje_event;
+  event->free                            = &free_paje_event;
   event->data = xbt_new0(s_popState_t, 1);
-  ((popState_t)(event->data))->type = type;
-  ((popState_t)(event->data))->container = container;
+  (static_cast<popState_t>(event->data))->type = type;
+  (static_cast<popState_t>(event->data))->container = container;
 
   XBT_DEBUG("%s: event_type=%d, timestamp=%f", __FUNCTION__, (int)event->event_type, event->timestamp);
 
@@ -412,36 +399,16 @@ void new_pajeResetState (double timestamp, container_t container, type_t type)
   event->event_type = PAJE_ResetState;
   event->timestamp = timestamp;
   event->print = active_writer.print_ResetState;
-  event->free free_paje_event;
+  event->free                              = &free_paje_event;
   event->data = xbt_new0(s_resetState_t, 1);
-  ((resetState_t)(event->data))->type = type;
-  ((resetState_t)(event->data))->container = container;
+  (static_cast<resetState_t>(event->data))->type = type;
+  (static_cast<resetState_t>(event->data))->container = container;
 
   XBT_DEBUG("%s: event_type=%d, timestamp=%f", __FUNCTION__, (int)event->event_type, event->timestamp);
 
   insert_into_buffer (event);
 }
 
-void new_pajeStartLink (double timestamp, container_t container, type_t type, container_t sourceContainer,
-                        const char *value, const char *key)
-{
-  paje_event_t event = xbt_new0(s_paje_event_t, 1);
-  event->event_type = PAJE_StartLink;
-  event->timestamp = timestamp;
-  event->print = active_writer.print_StartLink;
-  event->free = free_paje_event;
-  event->data = xbt_new0(s_startLink_t, 1);
-  ((startLink_t)(event->data))->type = type;
-  ((startLink_t)(event->data))->container = container;
-  ((startLink_t)(event->data))->sourceContainer = sourceContainer;
-  ((startLink_t)(event->data))->value = xbt_strdup(value);
-  ((startLink_t)(event->data))->key = xbt_strdup(key);
-  ((startLink_t)(event->data))->size = -1;
-  XBT_DEBUG("%s: event_type=%d, timestamp=%f", __FUNCTION__, (int)event->event_type, event->timestamp);
-
-  insert_into_buffer (event);
-}
-
 void new_pajeStartLinkWithSize (double timestamp, container_t container, type_t type, container_t sourceContainer,
                                 const char *value, const char *key, int size)
 {
@@ -449,20 +416,27 @@ void new_pajeStartLinkWithSize (double timestamp, container_t container, type_t
   event->event_type = PAJE_StartLink;
   event->timestamp = timestamp;
   event->print = active_writer.print_StartLink;
-  event->free free_paje_event;
+  event->free                                   = &free_paje_event;
   event->data = xbt_new0(s_startLink_t, 1);
-  ((startLink_t)(event->data))->type = type;
-  ((startLink_t)(event->data))->container = container;
-  ((startLink_t)(event->data))->sourceContainer = sourceContainer;
-  ((startLink_t)(event->data))->value = xbt_strdup(value);
-  ((startLink_t)(event->data))->key = xbt_strdup(key);
-  ((startLink_t)(event->data))->size = size;
+  (static_cast<startLink_t>(event->data))->type = type;
+  (static_cast<startLink_t>(event->data))->container = container;
+  (static_cast<startLink_t>(event->data))->sourceContainer = sourceContainer;
+  (static_cast<startLink_t>(event->data))->value = xbt_strdup(value);
+  (static_cast<startLink_t>(event->data))->key = xbt_strdup(key);
+  (static_cast<startLink_t>(event->data))->size = size;
 
   XBT_DEBUG("%s: event_type=%d, timestamp=%f", __FUNCTION__, (int)event->event_type, event->timestamp);
 
   insert_into_buffer (event);
 }
 
+void new_pajeStartLink (double timestamp, container_t container, type_t type, container_t sourceContainer,
+                        const char *value, const char *key)
+{
+  new_pajeStartLinkWithSize(timestamp, container, type, sourceContainer, value, key, -1);
+}
+
+
 void new_pajeEndLink (double timestamp, container_t container, type_t type, container_t destContainer,
                       const char *value, const char *key)
 {
@@ -470,13 +444,13 @@ void new_pajeEndLink (double timestamp, container_t container, type_t type, cont
   event->event_type = PAJE_EndLink;
   event->timestamp = timestamp;
   event->print = active_writer.print_EndLink;
-  event->free free_paje_event;
+  event->free                               = &free_paje_event;
   event->data = xbt_new0(s_endLink_t, 1);
-  ((endLink_t)(event->data))->type = type;
-  ((endLink_t)(event->data))->container = container;
-  ((endLink_t)(event->data))->destContainer = destContainer;
-  ((endLink_t)(event->data))->value = xbt_strdup(value);
-  ((endLink_t)(event->data))->key = xbt_strdup(key);
+  (static_cast<endLink_t>(event->data))->type = type;
+  (static_cast<endLink_t>(event->data))->container = container;
+  (static_cast<endLink_t>(event->data))->destContainer = destContainer;
+  (static_cast<endLink_t>(event->data))->value = xbt_strdup(value);
+  (static_cast<endLink_t>(event->data))->key = xbt_strdup(key);
 
   XBT_DEBUG("%s: event_type=%d, timestamp=%f", __FUNCTION__, (int)event->event_type, event->timestamp);
 
@@ -489,11 +463,11 @@ void new_pajeNewEvent (double timestamp, container_t container, type_t type, val
   event->event_type = PAJE_NewEvent;
   event->timestamp = timestamp;
   event->print = active_writer.print_NewEvent;
-  event->free free_paje_event;
+  event->free                            = &free_paje_event;
   event->data = xbt_new0(s_newEvent_t, 1);
-  ((newEvent_t)(event->data))->type = type;
-  ((newEvent_t)(event->data))->container = container;
-  ((newEvent_t)(event->data))->value = value;
+  (static_cast<newEvent_t>(event->data))->type = type;
+  (static_cast<newEvent_t>(event->data))->container = container;
+  (static_cast<newEvent_t>(event->data))->value = value;
 
   XBT_DEBUG("%s: event_type=%d, timestamp=%f", __FUNCTION__, (int)event->event_type, event->timestamp);