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author | Mark Brown <broonie@linaro.org> | 2014-08-22 13:33:17 -0500 |
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committer | Mark Brown <broonie@linaro.org> | 2014-08-22 13:33:17 -0500 |
commit | c27744f4eb311589f693e9c67c7f778b77f89d26 (patch) | |
tree | b8a013d826f85ab7737b338d6e5b4e7eab3c3ea3 /tools/gator/daemon/PerfBuffer.h | |
parent | 586197edd648635f892870b1c4f726496a8dcb6c (diff) | |
parent | 43bc6d5b076e30d55b59daedeb205063cb6e54a2 (diff) |
Merge remote-tracking branch 'lsk/v3.14/topic/gator' into linux-linaro-lsk-v3.14lsk-v3.14-14.08
Diffstat (limited to 'tools/gator/daemon/PerfBuffer.h')
-rw-r--r-- | tools/gator/daemon/PerfBuffer.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/tools/gator/daemon/PerfBuffer.h b/tools/gator/daemon/PerfBuffer.h new file mode 100644 index 000000000000..278a3b9d6db7 --- /dev/null +++ b/tools/gator/daemon/PerfBuffer.h @@ -0,0 +1,39 @@ +/** + * 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 |