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 #include <inttypes.h>
22 
23 #include <log/log.h>
24 
25 namespace android {
26 
StopWatch(const char * name,int clock)27 StopWatch::StopWatch(const char* name, int clock) : mName(name), mClock(clock) {
28     reset();
29 }
30 
~StopWatch()31 StopWatch::~StopWatch() {
32     ALOGD("StopWatch %s (us): %" PRId64 " ", name(), ns2us(elapsedTime()));
33 }
34 
name() const35 const char* StopWatch::name() const {
36     return mName;
37 }
38 
elapsedTime() const39 nsecs_t StopWatch::elapsedTime() const {
40     return systemTime(mClock) - mStartTime;
41 }
42 
reset()43 void StopWatch::reset() {
44     mStartTime = systemTime(mClock);
45 }
46 
47 }  // namespace android
48