1 /* 2 * Copyright 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <aidl/android/hardware/power/WorkDuration.h> 20 21 #include <deque> 22 #include <optional> 23 #include <vector> 24 25 namespace aidl { 26 namespace google { 27 namespace hardware { 28 namespace power { 29 namespace impl { 30 namespace pixel { 31 32 using aidl::android::hardware::power::WorkDuration; 33 34 class SessionRecords { 35 public: 36 struct CycleRecord { 37 int32_t startIntervalUs{0}; 38 int32_t totalDurationUs{0}; 39 bool isMissedCycle{false}; 40 }; 41 42 public: 43 SessionRecords(const int32_t maxNumOfRecords, const double jankCheckTimeFactor); 44 ~SessionRecords() = default; 45 46 void addReportedDurations(const std::vector<WorkDuration> &actualDurationsNs, 47 int64_t targetDurationNs); 48 std::optional<int32_t> getMaxDuration(); 49 std::optional<int32_t> getAvgDuration(); 50 int32_t getNumOfRecords(); 51 int32_t getNumOfMissedCycles(); 52 bool isLowFrameRate(int32_t fpsLowRateThreshold); 53 54 private: 55 const int32_t kMaxNumOfRecords; 56 const double kJankCheckTimeFactor; 57 std::vector<CycleRecord> mRecords; 58 // A descending order queue to store the records' indexes. 59 // It is for detecting the maximum duration. 60 std::deque<int32_t> mRecordsIndQueue; 61 int32_t mAvgDurationUs{0}; 62 int64_t mLastStartTimeNs{0}; 63 int32_t mLatestRecordIndex{-1}; 64 int32_t mNumOfMissedCycles{0}; 65 int32_t mNumOfFrames{0}; 66 int64_t mSumOfDurationsUs{0}; 67 }; 68 69 } // namespace pixel 70 } // namespace impl 71 } // namespace power 72 } // namespace hardware 73 } // namespace google 74 } // namespace aidl 75