1 /* 2 * Copyright (C) 2005 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 #pragma once 18 19 #include <stdint.h> 20 #include <sys/types.h> 21 22 #include <utils/Timers.h> 23 24 namespace android { 25 26 class StopWatch { 27 public: 28 StopWatch(const char* name, int clock = SYSTEM_TIME_MONOTONIC); 29 ~StopWatch(); 30 31 const char* name() const; 32 nsecs_t elapsedTime() const; 33 34 void reset(); 35 36 private: 37 const char* mName; 38 int mClock; 39 40 nsecs_t mStartTime; 41 }; 42 43 } // namespace android 44