mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-07 08:03:29 +00:00
4d18ed01b0
Issue: https://gitee.com/openharmony/ark_js_runtime/issues/I5C883?from=project-issue Change-Id: I3cdf41f9292fccb9a7e1164babc30cf77e6ac163 Signed-off-by: yingguofeng@huawei.com <yingguofeng@huawei.com>
136 lines
4.4 KiB
C++
136 lines
4.4 KiB
C++
/*
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* Copyright (c) 2021 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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#include "ecmascript/mem/partial_gc.h"
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#include "ecmascript/ecma_vm.h"
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#include "ecmascript/mem/barriers-inl.h"
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#include "ecmascript/mem/clock_scope.h"
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#include "ecmascript/mem/concurrent_marker.h"
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#include "ecmascript/mem/heap-inl.h"
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#include "ecmascript/mem/mark_stack.h"
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#include "ecmascript/mem/mem.h"
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#include "ecmascript/mem/parallel_evacuator.h"
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#include "ecmascript/mem/parallel_marker-inl.h"
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#include "ecmascript/mem/space-inl.h"
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#include "ecmascript/mem/visitor.h"
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#include "ecmascript/mem/gc_stats.h"
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#include "ecmascript/ecma_string_table.h"
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#include "ecmascript/runtime_call_id.h"
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namespace panda::ecmascript {
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PartialGC::PartialGC(Heap *heap) : heap_(heap), workManager_(heap->GetWorkManager()) {}
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void PartialGC::RunPhases()
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{
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ECMA_BYTRACE_NAME(HITRACE_TAG_ARK, "PartialGC::RunPhases");
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MEM_ALLOCATE_AND_GC_TRACE(heap_->GetEcmaVM(), PartialGC_RunPhases);
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ClockScope clockScope;
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markingInProgress_ = heap_->CheckOngoingConcurrentMarking();
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ECMA_GC_LOG() << "markingInProgress_" << markingInProgress_;
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Initialize();
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Mark();
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Sweep();
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Evacuate();
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Finish();
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heap_->GetEcmaVM()->GetEcmaGCStats()->StatisticPartialGC(markingInProgress_, clockScope.GetPauseTime(), freeSize_);
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ECMA_GC_LOG() << "PartialGC::RunPhases " << clockScope.TotalSpentTime();
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}
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void PartialGC::Initialize()
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{
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ECMA_BYTRACE_NAME(HITRACE_TAG_ARK, "PartialGC::Initialize");
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if (!markingInProgress_) {
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LOG(INFO, RUNTIME) << "No ongoing Concurrent marking. Initializing...";
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heap_->Prepare();
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if (heap_->IsFullMark()) {
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heap_->GetOldSpace()->SelectCSet();
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heap_->EnumerateNonNewSpaceRegions([](Region *current) {
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current->ResetAliveObject();
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});
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}
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workManager_->Initialize(TriggerGCType::OLD_GC, ParallelGCTaskPhase::OLD_HANDLE_GLOBAL_POOL_TASK);
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freeSize_ = 0;
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hugeSpaceFreeSize_ = 0;
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oldSpaceCommitSize_ = heap_->GetOldSpace()->GetCommittedSize();
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nonMoveSpaceCommitSize_ = heap_->GetNonMovableSpace()->GetCommittedSize();
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}
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}
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void PartialGC::Finish()
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{
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ECMA_BYTRACE_NAME(HITRACE_TAG_ARK, "PartialGC::Finish");
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if (markingInProgress_) {
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auto marker = heap_->GetConcurrentMarker();
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marker->Reset(false);
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} else {
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workManager_->Finish();
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}
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if (heap_->IsFullMark()) {
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heap_->GetSweeper()->TryFillSweptRegion();
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}
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}
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void PartialGC::Mark()
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{
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ECMA_BYTRACE_NAME(HITRACE_TAG_ARK, "PartialGC::Mark");
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if (markingInProgress_) {
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heap_->GetConcurrentMarker()->ReMark();
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return;
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}
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heap_->GetNonMovableMarker()->MarkRoots(MAIN_THREAD_INDEX);
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if (heap_->IsFullMark()) {
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heap_->GetNonMovableMarker()->ProcessMarkStack(MAIN_THREAD_INDEX);
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} else {
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heap_->GetNonMovableMarker()->ProcessOldToNew(MAIN_THREAD_INDEX);
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heap_->GetNonMovableMarker()->ProcessSnapshotRSet(MAIN_THREAD_INDEX);
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}
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heap_->WaitRunningTaskFinished();
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}
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void PartialGC::Sweep()
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{
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ECMA_BYTRACE_NAME(HITRACE_TAG_ARK, "PartialGC::Sweep");
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ProcessNativeDelete();
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if (heap_->IsFullMark()) {
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heap_->GetSweeper()->Sweep();
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}
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}
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void PartialGC::ProcessNativeDelete()
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{
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WeakRootVisitor gcUpdateWeak = [this](TaggedObject *header) {
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Region *objectRegion = Region::ObjectAddressToRange(reinterpret_cast<TaggedObject *>(header));
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if (!objectRegion->InYoungSpaceOrCSet() && !heap_->IsFullMark()) {
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return header;
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}
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if (!objectRegion->Test(header)) {
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return reinterpret_cast<TaggedObject *>(ToUintPtr(nullptr));
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}
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return header;
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};
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heap_->GetEcmaVM()->ProcessNativeDelete(gcUpdateWeak);
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}
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void PartialGC::Evacuate()
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{
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ECMA_BYTRACE_NAME(HITRACE_TAG_ARK, "PartialGC::Evacuate");
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heap_->GetEvacuator()->Evacuate();
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}
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} // namespace panda::ecmascript
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