1 /* 2 * Copyright (C) 2023 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 #ifndef CHRE_HOST_METRICS_REPORTER_H_ 18 #define CHRE_HOST_METRICS_REPORTER_H_ 19 20 #include <aidl/android/frameworks/stats/IStats.h> 21 #include <chre_atoms_log.h> 22 #include <mutex> 23 24 namespace android::chre { 25 26 class MetricsReporter { 27 public: 28 MetricsReporter() = default; 29 ~MetricsReporter() = default; 30 31 MetricsReporter(const MetricsReporter &) = delete; 32 MetricsReporter &operator=(const MetricsReporter &) = delete; 33 34 /** 35 * Creates and reports CHRE vendor atom and send it to stats_client. 36 * 37 * @param atom the vendor atom to be reported 38 * @return true if the metric was successfully reported, false otherwise. 39 */ 40 bool reportMetric(const aidl::android::frameworks::stats::VendorAtom &atom); 41 42 /** 43 * Reports an AP Wakeup caused by a nanoapp. 44 * 45 * @return whether the operation was successful. 46 */ 47 bool logApWakeupOccurred(uint64_t nanoappId); 48 49 /** 50 * Reports a nanoapp load failed metric. 51 * 52 * @return whether the operation was successful. 53 */ 54 bool logNanoappLoadFailed( 55 uint64_t nanoappId, 56 android::chre::Atoms::ChreHalNanoappLoadFailed::Type type, 57 android::chre::Atoms::ChreHalNanoappLoadFailed::Reason reason); 58 59 /** 60 * Reports a PAL open failed metric. 61 * 62 * @return whether the operation was successful. 63 */ 64 bool logPalOpenFailed( 65 android::chre::Atoms::ChrePalOpenFailed::ChrePalType pal, 66 android::chre::Atoms::ChrePalOpenFailed::Type type); 67 68 /** 69 * Reports a event queue snapshot reported metric. 70 * 71 * @return whether the operation was successful. 72 */ 73 bool logEventQueueSnapshotReported(int32_t snapshotChreGetTimeMs, 74 int32_t max_event_queue_size, 75 int32_t mean_event_queue_size, 76 int32_t num_dropped_events); 77 78 /** 79 * Called when the binder dies for the stats service. 80 */ 81 void onBinderDied(); 82 83 private: 84 /** 85 * Connects to the stats service or return nullptr if it cannot connect. 86 * This also adds a binder death handler to the service that will call 87 * onBinderDied on this. 88 * 89 * @return the stats service 90 */ 91 std::shared_ptr<aidl::android::frameworks::stats::IStats> getStatsService(); 92 93 std::mutex mStatsServiceMutex; 94 std::shared_ptr<aidl::android::frameworks::stats::IStats> mStatsService = 95 nullptr; 96 }; 97 98 } // namespace android::chre 99 100 #endif // CHRE_HOST_METRICS_REPORTER_H_