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_TRACING_SERVICE_CLOCK_H_ 18 #define SRC_TRACING_SERVICE_CLOCK_H_ 19 20 #include "perfetto/base/time.h" 21 22 namespace perfetto::tracing_service { 23 24 class Clock { 25 public: 26 virtual ~Clock(); 27 virtual base::TimeNanos GetBootTimeNs() = 0; 28 virtual base::TimeNanos GetWallTimeNs() = 0; 29 GetBootTimeMs()30 base::TimeMillis GetBootTimeMs() { 31 return std::chrono::duration_cast<base::TimeMillis>(GetBootTimeNs()); 32 } GetWallTimeMs()33 base::TimeMillis GetWallTimeMs() { 34 return std::chrono::duration_cast<base::TimeMillis>(GetWallTimeNs()); 35 } 36 GetBootTimeS()37 base::TimeSeconds GetBootTimeS() { 38 return std::chrono::duration_cast<base::TimeSeconds>(GetBootTimeNs()); 39 } GetWallTimeS()40 base::TimeSeconds GetWallTimeS() { 41 return std::chrono::duration_cast<base::TimeSeconds>(GetWallTimeNs()); 42 } 43 }; 44 45 class ClockImpl : public Clock { 46 public: 47 ~ClockImpl() override; 48 base::TimeNanos GetBootTimeNs() override; 49 base::TimeNanos GetWallTimeNs() override; 50 }; 51 52 } // namespace perfetto::tracing_service 53 54 #endif // SRC_TRACING_SERVICE_CLOCK_H_ 55