diff options
Diffstat (limited to 'daemon/PerfBuffer.h')
-rw-r--r-- | daemon/PerfBuffer.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/daemon/PerfBuffer.h b/daemon/PerfBuffer.h new file mode 100644 index 0000000..278a3b9 --- /dev/null +++ b/daemon/PerfBuffer.h | |||
@@ -0,0 +1,39 @@ | |||
1 | /** | ||
2 | * Copyright (C) ARM Limited 2013-2014. All rights reserved. | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify | ||
5 | * it under the terms of the GNU General Public License version 2 as | ||
6 | * published by the Free Software Foundation. | ||
7 | */ | ||
8 | |||
9 | #ifndef PERF_BUFFER | ||
10 | #define PERF_BUFFER | ||
11 | |||
12 | #include "Config.h" | ||
13 | |||
14 | #define BUF_SIZE (gSessionData->mTotalBufferSize * 1024 * 1024) | ||
15 | #define BUF_MASK (BUF_SIZE - 1) | ||
16 | |||
17 | class Sender; | ||
18 | |||
19 | class PerfBuffer { | ||
20 | public: | ||
21 | PerfBuffer(); | ||
22 | ~PerfBuffer(); | ||
23 | |||
24 | bool useFd(const int cpu, const int fd, const int groupFd); | ||
25 | void discard(const int cpu); | ||
26 | bool isEmpty(); | ||
27 | bool send(Sender *const sender); | ||
28 | |||
29 | private: | ||
30 | void *mBuf[NR_CPUS]; | ||
31 | // After the buffer is flushed it should be unmaped | ||
32 | bool mDiscard[NR_CPUS]; | ||
33 | |||
34 | // Intentionally undefined | ||
35 | PerfBuffer(const PerfBuffer &); | ||
36 | PerfBuffer &operator=(const PerfBuffer &); | ||
37 | }; | ||
38 | |||
39 | #endif // PERF_BUFFER | ||