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// Copyright 2009-2010 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef V8_HEAP_PROFILER_H_
#define V8_HEAP_PROFILER_H_
#include "heap-snapshot-generator-inl.h"
#include "isolate.h"
namespace v8 {
namespace internal {
class HeapSnapshot;
class HeapSnapshotsCollection;
class HeapProfiler {
public:
explicit HeapProfiler(Heap* heap);
~HeapProfiler();
size_t GetMemorySizeUsedByProfiler();
HeapSnapshot* TakeSnapshot(
const char* name,
v8::ActivityControl* control,
v8::HeapProfiler::ObjectNameResolver* resolver);
HeapSnapshot* TakeSnapshot(
String* name,
v8::ActivityControl* control,
v8::HeapProfiler::ObjectNameResolver* resolver);
void StartHeapObjectsTracking();
void StopHeapObjectsTracking();
SnapshotObjectId PushHeapObjectsStats(OutputStream* stream);
int GetSnapshotsCount();
HeapSnapshot* GetSnapshot(int index);
SnapshotObjectId GetSnapshotObjectId(Handle<Object> obj);
void DeleteAllSnapshots();
void ObjectMoveEvent(Address from, Address to, int size);
void AllocationEvent(Address addr, int size);
void UpdateObjectSizeEvent(Address addr, int size);
void DefineWrapperClass(
uint16_t class_id, v8::HeapProfiler::WrapperInfoCallback callback);
v8::RetainedObjectInfo* ExecuteWrapperClassCallback(uint16_t class_id,
Object** wrapper);
void SetRetainedObjectInfo(UniqueId id, RetainedObjectInfo* info);
bool is_tracking_object_moves() const { return is_tracking_object_moves_; }
bool is_tracking_allocations() const { return is_tracking_allocations_; }
void StartHeapAllocationsRecording();
void StopHeapAllocationsRecording();
int FindUntrackedObjects() {
return snapshots_->FindUntrackedObjects();
}
private:
Heap* heap() const { return snapshots_->heap(); }
HeapSnapshotsCollection* snapshots_;
unsigned next_snapshot_uid_;
List<v8::HeapProfiler::WrapperInfoCallback> wrapper_callbacks_;
bool is_tracking_allocations_;
bool is_tracking_object_moves_;
};
} } // namespace v8::internal
#endif // V8_HEAP_PROFILER_H_