| /* |
| * 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 |