49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
/*
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* Copyright 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <condition_variable>
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#include <memory>
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#include <mutex>
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#include "Thread.h"
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namespace swappy {
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class CPUTracer {
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public:
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CPUTracer();
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~CPUTracer();
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CPUTracer(CPUTracer&) = delete;
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void startTrace();
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void endTrace();
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private:
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void threadMain();
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void joinThread();
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std::mutex mMutex;
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std::condition_variable_any mCond GUARDED_BY(mMutex);
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std::unique_ptr<Thread> mThread;
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bool mRunning GUARDED_BY(mMutex) = true;
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bool mTrace GUARDED_BY(mMutex) = false;
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};
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} // namespace swappy
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