56a486c322
- this avoids using relative include paths which are forbidden by the style guide - makes the code more readable since it's clear which header is meant - allows for starting to use checkdeps BUG=none R=jkummerow@chromium.org, danno@chromium.org LOG=n Review URL: https://codereview.chromium.org/304153016 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21625 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
// Copyright 2009-2010 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_HEAP_PROFILER_H_
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#define V8_HEAP_PROFILER_H_
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#include "src/heap-snapshot-generator-inl.h"
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#include "src/isolate.h"
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#include "src/smart-pointers.h"
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namespace v8 {
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namespace internal {
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class HeapSnapshot;
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class HeapProfiler {
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public:
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explicit HeapProfiler(Heap* heap);
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~HeapProfiler();
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size_t GetMemorySizeUsedByProfiler();
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HeapSnapshot* TakeSnapshot(
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const char* name,
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v8::ActivityControl* control,
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v8::HeapProfiler::ObjectNameResolver* resolver);
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HeapSnapshot* TakeSnapshot(
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String* name,
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v8::ActivityControl* control,
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v8::HeapProfiler::ObjectNameResolver* resolver);
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void StartHeapObjectsTracking(bool track_allocations);
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void StopHeapObjectsTracking();
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AllocationTracker* allocation_tracker() const {
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return allocation_tracker_.get();
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}
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HeapObjectsMap* heap_object_map() const { return ids_.get(); }
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StringsStorage* names() const { return names_.get(); }
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SnapshotObjectId PushHeapObjectsStats(OutputStream* stream);
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int GetSnapshotsCount();
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HeapSnapshot* GetSnapshot(int index);
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SnapshotObjectId GetSnapshotObjectId(Handle<Object> obj);
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void DeleteAllSnapshots();
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void RemoveSnapshot(HeapSnapshot* snapshot);
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void ObjectMoveEvent(Address from, Address to, int size);
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void AllocationEvent(Address addr, int size);
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void UpdateObjectSizeEvent(Address addr, int size);
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void DefineWrapperClass(
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uint16_t class_id, v8::HeapProfiler::WrapperInfoCallback callback);
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v8::RetainedObjectInfo* ExecuteWrapperClassCallback(uint16_t class_id,
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Object** wrapper);
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void SetRetainedObjectInfo(UniqueId id, RetainedObjectInfo* info);
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bool is_tracking_object_moves() const { return is_tracking_object_moves_; }
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bool is_tracking_allocations() const {
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return !allocation_tracker_.is_empty();
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}
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Handle<HeapObject> FindHeapObjectById(SnapshotObjectId id);
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void ClearHeapObjectMap();
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private:
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Heap* heap() const { return ids_->heap(); }
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// Mapping from HeapObject addresses to objects' uids.
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SmartPointer<HeapObjectsMap> ids_;
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List<HeapSnapshot*> snapshots_;
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SmartPointer<StringsStorage> names_;
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unsigned next_snapshot_uid_;
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List<v8::HeapProfiler::WrapperInfoCallback> wrapper_callbacks_;
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SmartPointer<AllocationTracker> allocation_tracker_;
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bool is_tracking_object_moves_;
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};
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} } // namespace v8::internal
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#endif // V8_HEAP_PROFILER_H_
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