Files
ark_js_runtime/ecmascript/mem/mix_gc.cpp
T
lukai ca4b4a16cf bugfix for AsyncClearTask
EcmaList<Region> dosen't support thread safety.So operating EcmaList in different threads concurrently causes error.

issue: https://gitee.com/openharmony/ark_js_runtime/issues/I5295F?from=project-issue

Signed-off-by: lukai <lukai25@huawei.com>
Change-Id: Id538635d18369ec7c9d7a2821a7ea1cd67610811
2022-04-12 11:24:42 +08:00

135 lines
4.4 KiB
C++

/*
* Copyright (c) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "ecmascript/mem/mix_gc.h"
#include "ecmascript/ecma_vm.h"
#include "ecmascript/mem/barriers-inl.h"
#include "ecmascript/mem/clock_scope.h"
#include "ecmascript/mem/concurrent_marker.h"
#include "ecmascript/mem/heap-inl.h"
#include "ecmascript/mem/object_xray-inl.h"
#include "ecmascript/mem/mark_stack.h"
#include "ecmascript/mem/mem.h"
#include "ecmascript/mem/parallel_evacuation.h"
#include "ecmascript/mem/parallel_marker-inl.h"
#include "ecmascript/mem/space-inl.h"
#include "ecmascript/runtime_call_id.h"
namespace panda::ecmascript {
MixGC::MixGC(Heap *heap) : heap_(heap), workList_(heap->GetWorkList()) {}
void MixGC::RunPhases()
{
ECMA_BYTRACE_NAME(BYTRACE_TAG_ARK, "MixGC::RunPhases");
MEM_ALLOCATE_AND_GC_TRACE(heap_->GetEcmaVM(), MixGC_RunPhases);
ClockScope clockScope;
concurrentMark_ = heap_->CheckConcurrentMark();
ECMA_GC_LOG() << "concurrentMark_" << concurrentMark_;
InitializePhase();
MarkingPhase();
SweepPhases();
EvacuaPhases();
FinishPhase();
heap_->GetEcmaVM()->GetEcmaGCStats()->StatisticMixGC(concurrentMark_, clockScope.GetPauseTime(), freeSize_);
ECMA_GC_LOG() << "MixGC::RunPhases " << clockScope.TotalSpentTime();
}
void MixGC::InitializePhase()
{
ECMA_BYTRACE_NAME(BYTRACE_TAG_ARK, "MixGC::InitializePhase");
if (!concurrentMark_) {
LOG(INFO, RUNTIME) << "Concurrent mark failure";
heap_->Prepare();
if (heap_->IsFullMark()) {
heap_->GetOldSpace()->SelectCSet();
heap_->EnumerateNonNewSpaceRegions([](Region *current) {
current->ClearMarkBitmap();
current->ClearCrossRegionRememberedSet();
current->ResetAliveObject();
});
}
workList_->Initialize(TriggerGCType::OLD_GC, ParallelGCTaskPhase::OLD_HANDLE_GLOBAL_POOL_TASK);
freeSize_ = 0;
hugeSpaceFreeSize_ = 0;
oldSpaceCommitSize_ = heap_->GetOldSpace()->GetCommittedSize();
nonMoveSpaceCommitSize_ = heap_->GetNonMovableSpace()->GetCommittedSize();
}
}
void MixGC::FinishPhase()
{
ECMA_BYTRACE_NAME(BYTRACE_TAG_ARK, "MixGC::FinishPhase");
if (concurrentMark_) {
auto marker = heap_->GetConcurrentMarker();
marker->Reset(false);
} else {
size_t aliveSize = 0;
workList_->Finish(aliveSize);
}
}
void MixGC::MarkingPhase()
{
ECMA_BYTRACE_NAME(BYTRACE_TAG_ARK, "MixGC::MarkingPhase");
if (concurrentMark_) {
heap_->GetConcurrentMarker()->ReMarking();
return;
}
heap_->GetNonMovableMarker()->MarkRoots(MAIN_THREAD_INDEX);
if (heap_->IsFullMark()) {
heap_->GetNonMovableMarker()->ProcessMarkStack(MAIN_THREAD_INDEX);
} else {
heap_->GetNonMovableMarker()->ProcessOldToNew(MAIN_THREAD_INDEX);
heap_->GetNonMovableMarker()->ProcessSnapshotRSet(MAIN_THREAD_INDEX);
}
heap_->WaitRunningTaskFinished();
}
void MixGC::SweepPhases()
{
ECMA_BYTRACE_NAME(BYTRACE_TAG_ARK, "MixGC::SweepPhases");
if (heap_->IsFullMark()) {
ProcessNativeDelete();
heap_->GetSweeper()->SweepPhases();
}
}
void MixGC::ProcessNativeDelete()
{
WeakRootVisitor gcUpdateWeak = [this](TaggedObject *header) {
Region *objectRegion = Region::ObjectAddressToRange(reinterpret_cast<TaggedObject *>(header));
if (!objectRegion->InYoungOrCSetGeneration() && !heap_->IsFullMark()) {
return header;
}
auto markBitmap = objectRegion->GetMarkBitmap();
if (!markBitmap->Test(header)) {
return reinterpret_cast<TaggedObject *>(ToUintPtr(nullptr));
}
return header;
};
heap_->GetEcmaVM()->ProcessNativeDelete(gcUpdateWeak);
}
void MixGC::EvacuaPhases()
{
ECMA_BYTRACE_NAME(BYTRACE_TAG_ARK, "MixGC::EvacuaPhases");
heap_->GetEvacuation()->Evacuate();
}
} // namespace panda::ecmascript