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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_FILTERFW_CORE_TIME_UTIL_H
#define ANDROID_FILTERFW_CORE_TIME_UTIL_H
#include <string>
#include <utils/RefBase.h>
#define LOG_MFF_RUNNING_TIMES 0
namespace android {
namespace filterfw {
uint64_t getTimeUs();
class NamedStopWatch : public RefBase {
public:
static const uint64_t kDefaultLoggingPeriodInFrames;
explicit NamedStopWatch(const string& name);
void Start();
void Stop();
void SetName(const string& name) { mName = name; }
void SetLoggingPeriodInFrames(uint64_t numFrames) {
mLoggingPeriodInFrames = numFrames;
}
const string& Name() const { return mName; }
uint64_t NumCalls() const { return mNumCalls; }
uint64_t TotalUSec() const { return mTotalUSec; }
private:
string mName;
uint64_t mLoggingPeriodInFrames;
uint64_t mStartUSec;
uint64_t mNumCalls;
uint64_t mTotalUSec;
};
class ScopedTimer {
public:
explicit ScopedTimer(const string& stop_watch_name);
explicit ScopedTimer(NamedStopWatch* watch)
: mWatch(watch) { mWatch->Start(); }
~ScopedTimer() { mWatch->Stop(); }
private:
NamedStopWatch* mWatch;
};
} // namespace filterfw
} // namespace android
#endif // ANDROID_FILTERFW_CORE_TIME_UTIL_H
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