instrumentation/events/lttng-module/v4l2.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM v4l2
   4
   5 #if !defined(LTTNG_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define LTTNG_TRACE_V4L2_H
   7
   8 #include <probes/lttng-tracepoint-event.h>
   9
  10 LTTNG_TRACEPOINT_EVENT_CLASS(v4l2_class,
  11
  12         TP_PROTO(int minor, struct v4l2_buffer *buf),
  13
  14         TP_ARGS(minor, buf),
  15
  16         TP_FIELDS(
  17                 ctf_integer(int, minor, minor)
  18                 ctf_integer(u32, index, buf->index)
  19                 ctf_integer(u32, type, buf->type)
  20                 ctf_integer(u32, bytesused, buf->bytesused)
  21                 ctf_integer(u32, flags, buf->flags)
  22                 ctf_integer(u32, field, buf->field)
  23                 ctf_integer(s64, timestamp, timeval_to_ns(&buf->timestamp))
  24                 ctf_integer(u32, timecode_type, buf->timecode.type)
  25                 ctf_integer(u32, timecode_flags, buf->timecode.flags)
  26                 ctf_integer(u8, timecode_frames, buf->timecode.frames)
  27                 ctf_integer(u8, timecode_seconds, buf->timecode.seconds)
  28                 ctf_integer(u8, timecode_minutes, buf->timecode.minutes)
  29                 ctf_integer(u8, timecode_hours, buf->timecode.hours)
  30                 ctf_array(u8, timecode_userbits, buf->timecode.userbits, 4)
  31                 ctf_integer(u32, sequence, buf->sequence)
  32         )
  33 )
  34
  35 LTTNG_TRACEPOINT_EVENT_INSTANCE(v4l2_class,
  36         v4l2_dqbuf,
  37
  38         TP_PROTO(int minor, struct v4l2_buffer *buf),
  39
  40         TP_ARGS(minor, buf)
  41 )
  42
  43 LTTNG_TRACEPOINT_EVENT_INSTANCE(v4l2_class,
  44
  45         v4l2_qbuf,
  46
  47         TP_PROTO(int minor, struct v4l2_buffer *buf),
  48
  49         TP_ARGS(minor, buf)
  50 )
  51
  52 #endif /* if !defined(LTTNG_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ) */
  53
  54 /* This part must be outside protection */
  55 #include <probes/define_trace.h>