1 /* 2 * Copyright (C) 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 #ifndef SRC_TRACE_PROCESSOR_IMPORTERS_ANDROID_BUGREPORT_ANDROID_BATTERY_STATS_READER_H_ 18 #define SRC_TRACE_PROCESSOR_IMPORTERS_ANDROID_BUGREPORT_ANDROID_BATTERY_STATS_READER_H_ 19 20 #include <chrono> 21 #include <cstdint> 22 #include <optional> 23 24 #include "perfetto/base/status.h" 25 #include "perfetto/ext/base/string_view.h" 26 #include "src/trace_processor/importers/android_bugreport/android_dumpstate_event.h" 27 #include "src/trace_processor/importers/android_bugreport/chunked_line_reader.h" 28 29 namespace perfetto ::trace_processor { 30 31 class TraceProcessorContext; 32 33 // Parses the battery stats checkin produded by (dumpsys batterystats -c), 34 class AndroidBatteryStatsReader : public ChunkedLineReader { 35 public: 36 explicit AndroidBatteryStatsReader(TraceProcessorContext* context); 37 38 ~AndroidBatteryStatsReader() override; 39 40 base::Status ParseLine(base::StringView line) override; 41 void EndOfStream(base::StringView leftovers) override; 42 43 private: 44 // Called for each event parsed from the stream. 45 // `event_ts` is the ts of the event as read from the log. 46 // Default implementation just calls `SendToSorter`. 47 base::Status ProcessBatteryStatsHistoryEvent( 48 const base::StringView raw_event); 49 50 // Sends the given event to the sorting stage. 51 // `event_ts` is the ts of the event as read from the log and will be 52 // converted to a trace_ts (with necessary clock conversions applied) 53 base::Status SendToSorter(std::chrono::nanoseconds event_ts, 54 AndroidDumpstateEvent event); 55 56 base::Status ProcessItemStr(base::StringView item); 57 58 TraceProcessorContext* const context_; 59 60 uint64_t current_timestamp_ms_; 61 }; 62 63 } // namespace perfetto::trace_processor 64 65 #endif // SRC_TRACE_PROCESSOR_IMPORTERS_ANDROID_BUGREPORT_ANDROID_BATTERY_STATS_READER_H_ 66