}
} else if (obj->IsString()) {
return JSObjectsCluster(Heap::String_symbol());
+ } else if (obj->IsJSGlobalPropertyCell()) {
+ return JSObjectsCluster(JSObjectsCluster::GLOBAL_PROPERTY);
+ } else if (obj->IsCode() || obj->IsSharedFunctionInfo() || obj->IsScript()) {
+ return JSObjectsCluster(JSObjectsCluster::CODE);
}
return JSObjectsCluster();
}
if (FixedArray::cast(obj->elements())->length() != 0) {
size += obj->elements()->Size();
}
+ // For functions, also account non-empty context and literals sizes.
+ if (obj->IsJSFunction()) {
+ JSFunction* f = JSFunction::cast(obj);
+ if (f->unchecked_context()->IsContext()) {
+ size += f->context()->Size();
+ }
+ if (f->literals()->length() != 0) {
+ size += f->literals()->Size();
+ }
+ }
return size;
}
}
void VisitPointer(Object** o) {
- if ((*o)->IsJSObject() || (*o)->IsString()) {
- profile_->StoreReference(cluster_, HeapObject::cast(*o));
- } else if ((*o)->IsFixedArray() && !inside_array_) {
+ if ((*o)->IsFixedArray() && !inside_array_) {
// Traverse one level deep for data members that are fixed arrays.
// This covers the case of 'elements' and 'properties' of JSObject,
// and function contexts.
inside_array_ = true;
FixedArray::cast(*o)->Iterate(this);
inside_array_ = false;
+ } else {
+ profile_->StoreReference(cluster_, HeapObject::cast(*o));
}
}
accumulator->Add("(roots)");
} else if (constructor_ == FromSpecialCase(GLOBAL_PROPERTY)) {
accumulator->Add("(global property)");
+ } else if (constructor_ == FromSpecialCase(CODE)) {
+ accumulator->Add("(code)");
} else if (constructor_ == FromSpecialCase(SELF)) {
accumulator->Add("(self)");
} else {
void RetainerHeapProfile::StoreReference(const JSObjectsCluster& cluster,
HeapObject* ref) {
JSObjectsCluster ref_cluster = Clusterizer::Clusterize(ref);
+ if (ref_cluster.is_null()) return;
JSObjectsRetainerTree::Locator ref_loc;
if (retainers_tree_.Insert(ref_cluster, &ref_loc)) {
ref_loc.set_value(new JSObjectsClusterTree());
void RetainerHeapProfile::CollectStats(HeapObject* obj) {
- if (obj->IsJSObject()) {
- const JSObjectsCluster cluster = Clusterizer::Clusterize(obj);
- ReferencesExtractor extractor(cluster, this);
- obj->Iterate(&extractor);
- } else if (obj->IsJSGlobalPropertyCell()) {
- JSObjectsCluster global_prop(JSObjectsCluster::GLOBAL_PROPERTY);
- ReferencesExtractor extractor(global_prop, this);
- obj->Iterate(&extractor);
- }
+ const JSObjectsCluster cluster = Clusterizer::Clusterize(obj);
+ if (cluster.is_null()) return;
+ ReferencesExtractor extractor(cluster, this);
+ obj->Iterate(&extractor);
}