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 INCLUDE_PERFETTO_TRACING_CORE_CLOCK_SNAPSHOTS_H_ 18 #define INCLUDE_PERFETTO_TRACING_CORE_CLOCK_SNAPSHOTS_H_ 19 20 #include <cstdint> 21 #include <vector> 22 23 namespace perfetto { 24 struct ClockReading { ClockReadingClockReading25 ClockReading(uint32_t _clock_id, uint64_t _timestamp) 26 : clock_id(_clock_id), timestamp(_timestamp) {} 27 ClockReading() = default; 28 29 // Identifier of the clock domain (of type protos::pbzero::BuiltinClock). 30 uint32_t clock_id = 0; 31 // Clock reading as uint64_t. 32 uint64_t timestamp = 0; 33 }; 34 35 using ClockSnapshotVector = std::vector<ClockReading>; 36 37 // Takes snapshots of clock readings of all supported built-in clocks. 38 ClockSnapshotVector CaptureClockSnapshots(); 39 40 } // namespace perfetto 41 42 #endif // INCLUDE_PERFETTO_TRACING_CORE_CLOCK_SNAPSHOTS_H_ 43