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 #define LOG_TAG "StopWatch" 18 19 #include <utils/StopWatch.h> 20 21 /* for PRId64 */ 22 #ifndef __STDC_FORMAT_MACROS 23 #define __STDC_FORMAT_MACROS 1 24 #endif 25 #include <inttypes.h> 26 27 #include <utils/Log.h> 28 29 namespace android { 30 StopWatch(const char * name,int clock)31StopWatch::StopWatch(const char* name, int clock) : mName(name), mClock(clock) { 32 reset(); 33 } 34 ~StopWatch()35StopWatch::~StopWatch() { 36 ALOGD("StopWatch %s (us): %" PRId64 " ", name(), ns2us(elapsedTime())); 37 } 38 name() const39const char* StopWatch::name() const { 40 return mName; 41 } 42 elapsedTime() const43nsecs_t StopWatch::elapsedTime() const { 44 return systemTime(mClock) - mStartTime; 45 } 46 reset()47void StopWatch::reset() { 48 mStartTime = systemTime(mClock); 49 } 50 51 } // namespace android 52