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Diffstat (limited to 'tools/gator/daemon/PerfBuffer.h')
-rw-r--r-- | tools/gator/daemon/PerfBuffer.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/tools/gator/daemon/PerfBuffer.h b/tools/gator/daemon/PerfBuffer.h new file mode 100644 index 000000000000..a2d0e9b44725 --- /dev/null +++ b/tools/gator/daemon/PerfBuffer.h @@ -0,0 +1,42 @@ +/** + * 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 |