1 /*
2  * Copyright (c) 2024 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "ecmascript/mem/heap-inl.h"
17 
18 namespace panda::ecmascript {
19 
RecordAllocationForIdle()20 void SharedMemController::RecordAllocationForIdle()
21 {
22     double currentTimeInMs = MemControllerUtils::GetSystemTimeInMs();
23     size_t currentSize = sheap_->GetHeapObjectSize();
24     if (sharedSpaceAllocSizeSinceIdle_ == 0 || currentSize < sharedSpaceAllocSizeSinceIdle_) {
25         sharedSpaceAllocSizeSinceIdle_ = currentSize;
26         allocTimeMsSharedIdle_ = currentTimeInMs;
27         return;
28     }
29     recordedSharedSpaceAllocations_.Push(std::make_pair(currentSize - sharedSpaceAllocSizeSinceIdle_,
30         currentTimeInMs - allocTimeMsSharedIdle_));
31     sharedSpaceAllocSizeSinceIdle_ = currentSize;
32     allocTimeMsSharedIdle_ = currentTimeInMs;
33 }
34 
CheckLowAllocationUsageState() const35 bool SharedMemController::CheckLowAllocationUsageState() const
36 {
37     return GetIdleSharedSpaceAllocationThroughputPerMS() < LOW_ALLOCATION_RATE_PER_MS;
38 }
39 
UpdateAllocationAfterGC()40 void SharedMemController::UpdateAllocationAfterGC()
41 {
42     sharedSpaceAllocSizeSinceIdle_ = sheap_->GetHeapObjectSize();
43     allocTimeMsSharedIdle_ = MemControllerUtils::GetSystemTimeInMs();
44 }
45 
46 }  // namespace panda::ecmascript
47