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/**
* Copyright (C) ARM Limited 2013-2015. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef PERF_BUFFER
#define PERF_BUFFER
#include "Config.h"
#define BUF_SIZE (gSessionData->mTotalBufferSize * 1024 * 1024)
#define BUF_MASK (BUF_SIZE - 1)
class Sender;
class PerfBuffer {
public:
PerfBuffer();
~PerfBuffer();
bool useFd(const int cpu, const int fd);
void discard(const int cpu);
bool isEmpty();
bool isFull();
bool send(Sender *const sender);
private:
void *mBuf[NR_CPUS];
// After the buffer is flushed it should be unmaped
bool mDiscard[NR_CPUS];
// fd that corresponds to the mBuf
int mFds[NR_CPUS];
// Intentionally undefined
PerfBuffer(const PerfBuffer &);
PerfBuffer &operator=(const PerfBuffer &);
};
#endif // PERF_BUFFER
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