1 /* 2 * Copyright (c) 2025 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 #ifndef JANK_FRAME_MONITOR_H 17 #define JANK_FRAME_MONITOR_H 18 19 #include <map> 20 #include <mutex> 21 #include "perf_constants.h" 22 #include "perf_model.h" 23 24 namespace OHOS { 25 namespace HiviewDFX { 26 27 class JankFrameMonitor : public IFrameCallback { 28 public: 29 static JankFrameMonitor& GetInstance(); 30 JankFrameMonitor(); 31 ~JankFrameMonitor(); 32 33 // outer interface for app frame observer 34 void RegisterFrameCallback(IFrameCallback* cb); 35 void UnregisterFrameCallback(IFrameCallback* cb); 36 void OnFrameEnd(int64_t vsyncTime, int64_t duration, double jank, const std::string& windowName); 37 void OnVsyncEvent(int64_t vsyncTime, int64_t duration, double jank, const std::string& windowName); 38 39 // inner interface for app frame observer 40 void ProcessJank(int64_t vsyncTime, double jank, const std::string& windowName); 41 void JankFrameStatsRecord(double jank); 42 43 // stats app jank frame 44 void InitJankFrameRecord(); 45 void ClearJankFrameRecord(); 46 void SetJankFrameRecordBeginTime(int64_t val); 47 int64_t GetJankFrameRecordBeginTime(); 48 int32_t GetJankFrameTotalCount(); 49 const std::vector<uint16_t>& GetJankFrameRecord(); 50 bool JankFrameRecordIsEmpty(); 51 52 private: 53 uint32_t GetJankLimit(double jank); 54 private: 55 mutable std::mutex mMutex; 56 std::vector<IFrameCallback*> frameCallbacks; 57 std::vector<uint16_t> jankFrameRecord; 58 int64_t jankFrameRecordBeginTime {0}; 59 int32_t jankFrameTotalCount {0}; 60 }; 61 62 } 63 } 64 65 #endif // JANK_FRAME_MONITOR_H