11cb0ef41Sopenharmony_ci// Copyright 2017 the V8 project authors. All rights reserved. 21cb0ef41Sopenharmony_ci// Use of this source code is governed by a BSD-style license that can be 31cb0ef41Sopenharmony_ci// found in the LICENSE file. 41cb0ef41Sopenharmony_ci 51cb0ef41Sopenharmony_ci#ifndef V8_HEAP_STRESS_SCAVENGE_OBSERVER_H_ 61cb0ef41Sopenharmony_ci#define V8_HEAP_STRESS_SCAVENGE_OBSERVER_H_ 71cb0ef41Sopenharmony_ci 81cb0ef41Sopenharmony_ci#include "src/heap/heap.h" 91cb0ef41Sopenharmony_ci 101cb0ef41Sopenharmony_cinamespace v8 { 111cb0ef41Sopenharmony_cinamespace internal { 121cb0ef41Sopenharmony_ci 131cb0ef41Sopenharmony_ciclass StressScavengeObserver : public AllocationObserver { 141cb0ef41Sopenharmony_ci public: 151cb0ef41Sopenharmony_ci explicit StressScavengeObserver(Heap* heap); 161cb0ef41Sopenharmony_ci 171cb0ef41Sopenharmony_ci void Step(int bytes_allocated, Address soon_object, size_t size) override; 181cb0ef41Sopenharmony_ci 191cb0ef41Sopenharmony_ci bool HasRequestedGC() const; 201cb0ef41Sopenharmony_ci void RequestedGCDone(); 211cb0ef41Sopenharmony_ci 221cb0ef41Sopenharmony_ci // The maximum percent of the newspace capacity reached. This is tracked when 231cb0ef41Sopenharmony_ci // specyfing --fuzzer-gc-analysis. 241cb0ef41Sopenharmony_ci double MaxNewSpaceSizeReached() const; 251cb0ef41Sopenharmony_ci 261cb0ef41Sopenharmony_ci private: 271cb0ef41Sopenharmony_ci Heap* heap_; 281cb0ef41Sopenharmony_ci int limit_percentage_; 291cb0ef41Sopenharmony_ci bool has_requested_gc_; 301cb0ef41Sopenharmony_ci 311cb0ef41Sopenharmony_ci double max_new_space_size_reached_; 321cb0ef41Sopenharmony_ci 331cb0ef41Sopenharmony_ci int NextLimit(int min = 0); 341cb0ef41Sopenharmony_ci}; 351cb0ef41Sopenharmony_ci 361cb0ef41Sopenharmony_ci} // namespace internal 371cb0ef41Sopenharmony_ci} // namespace v8 381cb0ef41Sopenharmony_ci 391cb0ef41Sopenharmony_ci#endif // V8_HEAP_STRESS_SCAVENGE_OBSERVER_H_ 40