Reland: Add a trace-event for each runtime-stats timer (CL 2052523002)

src/objects.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/objects.h"
 
 #include <cmath>
 #include <iomanip>
 #include <sstream>
 
@@ skipping 9143 matching lines @@
 
 
 Handle<Map> Map::TransitionToDataProperty(Handle<Map> map, Handle<Name> name,
                                           Handle<Object> value,
                                           PropertyAttributes attributes,
                                           StoreFromKeyed store_mode) {
   RuntimeCallTimerScope stats_scope(
       *map, map->is_prototype_map()
                 ? &RuntimeCallStats::PrototypeMap_TransitionToDataProperty
                 : &RuntimeCallStats::Map_TransitionToDataProperty);
+  TRACE_RUNTIME_CALL(map->is_prototype_map()
+                         ? "PrototypeMap_TransitionToDataProperty"
+                         : "Map_TransitionToDataProperty");
 
   DCHECK(name->IsUniqueName());
   DCHECK(!map->is_dictionary_map());
 
   // Migrate to the newest map before storing the property.
   map = Update(map);
 
   Map* maybe_transition =
       TransitionArray::SearchTransition(*map, kData, *name, attributes);
   if (maybe_transition != NULL) {
@@ skipping 66 matching lines @@
 Handle<Map> Map::TransitionToAccessorProperty(Isolate* isolate, Handle<Map> map,
                                               Handle<Name> name, int descriptor,
                                               Handle<Object> getter,
                                               Handle<Object> setter,
                                               PropertyAttributes attributes) {
   RuntimeCallTimerScope stats_scope(
       isolate,
       map->is_prototype_map()
           ? &RuntimeCallStats::PrototypeMap_TransitionToAccessorProperty
           : &RuntimeCallStats::Map_TransitionToAccessorProperty);
+  TRACE_RUNTIME_CALL(map->is_prototype_map()
+                         ? "PrototypeMap_TransitionToAccessorProperty"
+                         : "Map_TransitionToAccessorProperty");
 
   // At least one of the accessors needs to be a new value.
   DCHECK(!getter->IsNull() || !setter->IsNull());
   DCHECK(name->IsUniqueName());
 
   // Dictionary maps can always have additional data properties.
   if (map->is_dictionary_map()) return map;
 
   // Migrate to the newest map before transitioning to the new property.
   map = Update(map);
@@ skipping 2843 matching lines @@
       handle(Smi::FromInt(Map::kPrototypeChainValid), isolate));
   proto_info->set_validity_cell(*cell);
   return cell;
 }
 
 
 // static
 void Map::SetPrototype(Handle<Map> map, Handle<Object> prototype,
                        PrototypeOptimizationMode proto_mode) {
   RuntimeCallTimerScope stats_scope(*map, &RuntimeCallStats::Map_SetPrototype);
+  TRACE_RUNTIME_CALL("Map_SetPrototype");
 
   bool is_hidden = false;
   if (prototype->IsJSObject()) {
     Handle<JSObject> prototype_jsobj = Handle<JSObject>::cast(prototype);
     JSObject::OptimizeAsPrototype(prototype_jsobj, proto_mode);
 
     Object* maybe_constructor = prototype_jsobj->map()->GetConstructor();
     if (maybe_constructor->IsJSFunction()) {
       JSFunction* constructor = JSFunction::cast(maybe_constructor);
       Object* data = constructor->shared()->function_data();
@@ skipping 6733 matching lines @@
   if (cell->value() != *new_value) {
     cell->set_value(*new_value);
     Isolate* isolate = cell->GetIsolate();
     cell->dependent_code()->DeoptimizeDependentCodeGroup(
         isolate, DependentCode::kPropertyCellChangedGroup);
   }
 }
 
 }  // namespace internal
 }  // namespace v8