42 lines
914 B
C++
42 lines
914 B
C++
/**
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* Copyright (C) ARM Limited 2013-2014. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef PERF_BUFFER
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#define PERF_BUFFER
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#include "Config.h"
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#define BUF_SIZE (gSessionData->mTotalBufferSize * 1024 * 1024)
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#define BUF_MASK (BUF_SIZE - 1)
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class Sender;
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class PerfBuffer {
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public:
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PerfBuffer();
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~PerfBuffer();
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bool useFd(const int cpu, const int fd);
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void discard(const int cpu);
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bool isEmpty();
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bool send(Sender *const sender);
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private:
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void *mBuf[NR_CPUS];
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// After the buffer is flushed it should be unmaped
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bool mDiscard[NR_CPUS];
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// fd that corresponds to the mBuf
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int mFds[NR_CPUS];
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// Intentionally undefined
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PerfBuffer(const PerfBuffer &);
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PerfBuffer &operator=(const PerfBuffer &);
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};
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#endif // PERF_BUFFER
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