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// Copyright 2017 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.
#ifndef V8_HEAP_STRESS_SCAVENGE_OBSERVER_H_
#define V8_HEAP_STRESS_SCAVENGE_OBSERVER_H_
#include "src/heap/heap.h"
namespace v8 {
namespace internal {
class StressScavengeObserver : public AllocationObserver {
public:
explicit StressScavengeObserver(Heap* heap);
void Step(int bytes_allocated, Address soon_object, size_t size) override;
bool HasRequestedGC() const;
void RequestedGCDone();
// The maximum percent of the newspace capacity reached. This is tracked when
// specyfing --fuzzer-gc-analysis.
double MaxNewSpaceSizeReached() const;
private:
Heap* heap_;
int limit_percentage_;
bool has_requested_gc_;
double max_new_space_size_reached_;
int NextLimit(int min = 0);
};
} // namespace internal
} // namespace v8
#endif // V8_HEAP_STRESS_SCAVENGE_OBSERVER_H_