56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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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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#pragma once
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#include <android/system/suspend/internal/WakeupInfo.h>
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#include <utils/Mutex.h>
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#include <list>
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#include <unordered_map>
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using ::android::system::suspend::internal::WakeupInfo;
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namespace android {
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namespace system {
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namespace suspend {
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namespace V1_0 {
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/*
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* WakeupList to collect wakeup stats.
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* This class is thread safe.
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*/
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class WakeupList {
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public:
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WakeupList(size_t capacity);
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void getWakeupStats(std::vector<WakeupInfo>* wakeups) const;
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void update(const std::vector<std::string>& wakeupReasons);
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private:
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void evict() REQUIRES(mLock);
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void insert(WakeupInfo entry) REQUIRES(mLock);
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void erase(std::list<WakeupInfo>::iterator entry) REQUIRES(mLock);
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size_t mCapacity;
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mutable std::mutex mLock;
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std::list<WakeupInfo> mWakeups GUARDED_BY(mLock);
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std::unordered_map<std::string, std::list<WakeupInfo>::iterator> mLookupTable GUARDED_BY(mLock);
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};
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} // namespace V1_0
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} // namespace suspend
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} // namespace system
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} // namespace android
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