ltt-debugfs-abi.h

   1 #ifndef _LTT_DEBUGFS_ABI_H
   2 #define _LTT_DEBUGFS_ABI_H
   3
   4 /*
   5  * ltt-debugfs-abi.h
   6  *
   7  * Copyright 2010 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   8  *
   9  * LTTng debugfs ABI header
  10  */
  11
  12 #include <linux/fs.h>
  13
  14 enum instrum_type {
  15         INSTRUM_TRACEPOINTS,
  16 };
  17
  18 /*
  19  * LTTng DebugFS ABI structures.
  20  */
  21
  22 struct lttng_channel {
  23         int overwrite;                  /* 1: overwrite, 0: discard */
  24         u64 subbuf_size;
  25         u64 num_subbuf;
  26         unsigned int switch_timer_interval;
  27         unsigned int read_timer_interval;
  28 };
  29
  30 struct lttng_event {
  31         enum instrum_type itype;
  32         char name[];
  33 };
  34
  35 #define LTTNG_SESSION           _IO(0xF6, 0x40)
  36 #define LTTNG_SESSION_START     _IO(0xF6, 0x41)
  37 #define LTTNG_SESSION_STOP      _IO(0xF6, 0x42)
  38 #define LTTNG_CHANNEL           _IOW(0xF6, 0x43, struct lttng_channel)
  39 #define LTTNG_STREAM            _IO(0xF6, 0x44)
  40 #define LTTNG_EVENT             _IOW(0xF6, 0x45, struct lttng_event)
  41
  42 #endif /* _LTT_DEBUGFS_ABI_H */