| /** |
| * Copyright (C) ARM Limited 2013-2014. 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, const int groupFd); |
| void discard(const int cpu); |
| bool isEmpty(); |
| bool send(Sender *const sender); |
| |
| private: |
| void *mBuf[NR_CPUS]; |
| // After the buffer is flushed it should be unmaped |
| bool mDiscard[NR_CPUS]; |
| |
| // Intentionally undefined |
| PerfBuffer(const PerfBuffer &); |
| PerfBuffer &operator=(const PerfBuffer &); |
| }; |
| |
| #endif // PERF_BUFFER |