mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-07 16:13:49 +00:00
0aa76a49f2
issue: https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/I8M1VD Signed-off-by: liujiahua <liujiahua12@huawei.com> Change-Id: I3b8679ba9b9407dca3c18a21ae272d248f942cd4
138 lines
3.8 KiB
C++
138 lines
3.8 KiB
C++
/*
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* Copyright (c) 2023 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ECMASCRIPT_MEM_INCREMENTAL_MARKER_H
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#define ECMASCRIPT_MEM_INCREMENTAL_MARKER_H
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#include "ecmascript/mem/allocator.h"
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#include "ecmascript/mem/garbage_collector.h"
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#include "ecmascript/mem/heap.h"
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#include "ecmascript/mem/mark_stack.h"
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#include "ecmascript/mem/mark_word.h"
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#include "ecmascript/mem/mem.h"
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#include "ecmascript/mem/slots.h"
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#include "ecmascript/mem/visitor.h"
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#include "ecmascript/mem/work_manager.h"
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namespace panda::ecmascript {
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class EcmaVM;
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class Heap;
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enum class IncrementalGCStates {
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ROOT_SCAN,
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INCREMENTAL_MARK,
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REMARK,
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};
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// Incremental Mark only suport old gc
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class IncrementalMarker {
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public:
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IncrementalMarker(Heap *heap);
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~IncrementalMarker() = default;
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void TriggerIncrementalMark(int64_t idleMicroSec = 0);
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void Reset();
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bool IsTriggeredIncrementalMark()
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{
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return isIncrementalMarking_;
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}
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void UpdateMarkingSpeed(uint32_t visitAddrNum, double costTime)
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{
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if (costTime > 1) {
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markingSpeed_ = static_cast<uint32_t>((double)visitAddrNum / costTime + markingSpeed_) >> 1;
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}
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}
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uint32_t GetMarkingSpeed()
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{
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return markingSpeed_;
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}
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void SetMarkingFinished(bool value)
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{
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markingFinished_ = value;
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}
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IncrementalGCStates GetIncrementalGCStates()
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{
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return states_;
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}
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uint32_t GetAverageIncrementalMarkingSpeed()
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{
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return incrementalMarkingSpeed_;
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}
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double GetCurrentTimeInMs();
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private:
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void Mark();
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void Initialize();
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void Finish();
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void ProcessIncrementalMark(int64_t idleMicroSec);
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void RecordIdleTime(int64_t idleMicroSec, double startTime, bool needInitialize = false);
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void PrintGCIdleUsageStatistic();
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void UpdateIncrementalMarkingSpeed(double duration)
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{
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if (duration > 1) {
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incrementalMarkingSpeed_ = static_cast<uint32_t>(
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(double)startObjectSize_ / duration + incrementalMarkingSpeed_) >> 1;
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}
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}
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class RecursionScope {
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public:
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explicit RecursionScope(IncrementalMarker* marker) : marker_(marker)
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{
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if (marker_->recursionDepth_++ != 0) {
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LOG_GC(FATAL) << "Recursion in IncrementalMarker Constructor, depth:" << marker_->recursionDepth_;
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}
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}
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~RecursionScope()
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{
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if (--marker_->recursionDepth_ != 0) {
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LOG_GC(FATAL) << "Recursion in IncrementalMarker Destructor, depth:" << marker_->recursionDepth_;
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}
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}
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private:
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IncrementalMarker* marker_ {nullptr};
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};
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Heap *heap_ {nullptr};
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EcmaVM *vm_ {nullptr};
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WorkManager *workManager_ {nullptr};
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double startTime_ {0.0};
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size_t startObjectSize_ {0};
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bool isIncrementalMarking_ {false};
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bool markingFinished_ {false};
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uint32_t markingSpeed_ {200_KB};
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uint32_t incrementalMarkingSpeed_ {100_KB};
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IncrementalGCStates states_ {IncrementalGCStates::ROOT_SCAN};
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int64_t receiveIdleTime_ {0};
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double totalUsedIdleTime_ {0.0};
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double exceedIdleTime_ {0.0};
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int32_t recursionDepth_ {0};
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friend class Heap;
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};
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_MEM_INCREMENTAL_MARKER_H
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