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 #ifndef ANDROID_STOPWATCH_H 18 #define ANDROID_STOPWATCH_H 19 20 #include <stdint.h> 21 #include <sys/types.h> 22 23 #include <utils/Timers.h> 24 25 // --------------------------------------------------------------------------- 26 27 namespace android { 28 29 class StopWatch 30 { 31 public: 32 StopWatch( const char *name, 33 int clock = SYSTEM_TIME_MONOTONIC, 34 uint32_t flags = 0); 35 ~StopWatch(); 36 37 const char* name() const; 38 nsecs_t lap(); 39 nsecs_t elapsedTime() const; 40 41 void reset(); 42 43 private: 44 const char* mName; 45 int mClock; 46 uint32_t mFlags; 47 48 struct lap_t { 49 nsecs_t soFar; 50 nsecs_t thisLap; 51 }; 52 53 nsecs_t mStartTime; 54 lap_t mLaps[8]; 55 int mNumLaps; 56 }; 57 58 59 }; // namespace android 60 61 62 // --------------------------------------------------------------------------- 63 64 #endif // ANDROID_STOPWATCH_H 65