1 /* 2 * Copyright (C) 2021 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 #pragma once 17 18 #include <utils/SystemClock.h> 19 20 #include <cinttypes> 21 #include <mutex> 22 #include <thread> 23 #include <vector> 24 25 /* Forward declaration to speed-up build and avoid build errors. Clients of this 26 * library force to use C++11 std, when AIDL auto-generated code uses features 27 * from more recent C++ version. */ 28 namespace aidl { 29 namespace android { 30 namespace frameworks { 31 namespace stats { 32 33 class VendorAtom; 34 35 } // namespace stats 36 } // namespace frameworks 37 } // namespace android 38 } // namespace aidl 39 40 namespace aidl { 41 namespace android { 42 namespace hardware { 43 namespace vibrator { 44 45 class StatsBase { 46 public: 47 using VendorAtom = ::aidl::android::frameworks::stats::VendorAtom; 48 49 StatsBase(const std::string &instance); 50 ~StatsBase(); 51 52 void debug(int fd); 53 54 protected: 55 std::vector<int32_t> mWaveformCounts; 56 std::vector<int32_t> mDurationCounts; 57 std::vector<int32_t> mMinLatencies; 58 std::vector<int32_t> mMaxLatencies; 59 std::vector<int32_t> mLatencyTotals; 60 std::vector<int32_t> mLatencyCounts; 61 std::vector<int32_t> mErrorCounts; 62 std::mutex mDataAccess; 63 64 private: 65 void runReporterThread(); 66 void reportVendorAtomAsync(const VendorAtom &atom); 67 void uploadDiagnostics(); 68 void waitForStatsService() const; 69 void drainAtomQueue(); 70 71 void uploadPlaycountAtoms(); 72 void uploadLatencyAtoms(); 73 void uploadErrorAtoms(); 74 75 void clearData(std::vector<int32_t> *data); 76 77 VendorAtom vibratorPlaycountAtom(); 78 VendorAtom vibratorLatencyAtom(); 79 VendorAtom vibratorErrorAtom(); 80 81 std::thread mReporterThread; 82 std::vector<VendorAtom> mAtomQueue; 83 std::mutex mAtomQueueAccess; 84 std::condition_variable mAtomQueueUpdated; 85 bool mTerminateReporterThread = false; 86 87 const std::string kStatsInstanceName; 88 }; 89 90 } // namespace vibrator 91 } // namespace hardware 92 } // namespace android 93 } // namespace aidl 94