include/instrumentation/events/lttng-module/v4l2.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   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 <lttng/tracepoint-event.h>
   9
  10 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0))
  11 LTTNG_TRACEPOINT_EVENT_CLASS(v4l2_class,
  12
  13         TP_PROTO(int minor, struct v4l2_buffer *buf),
  14
  15         TP_ARGS(minor, buf),
  16
  17         TP_FIELDS(
  18                 ctf_integer(int, minor, minor)
  19                 ctf_integer(u32, index, buf->index)
  20                 ctf_integer(u32, type, buf->type)
  21                 ctf_integer(u32, bytesused, buf->bytesused)
  22                 ctf_integer(u32, flags, buf->flags)
  23                 ctf_integer(u32, field, buf->field)
  24                 ctf_integer(s64, timestamp, v4l2_buffer_get_timestamp(buf))
  25                 ctf_integer(u32, timecode_type, buf->timecode.type)
  26                 ctf_integer(u32, timecode_flags, buf->timecode.flags)
  27                 ctf_integer(u8, timecode_frames, buf->timecode.frames)
  28                 ctf_integer(u8, timecode_seconds, buf->timecode.seconds)
  29                 ctf_integer(u8, timecode_minutes, buf->timecode.minutes)
  30                 ctf_integer(u8, timecode_hours, buf->timecode.hours)
  31                 ctf_array(u8, timecode_userbits, buf->timecode.userbits, 4)
  32                 ctf_integer(u32, sequence, buf->sequence)
  33         )
  34 )
  35 #else
  36 LTTNG_TRACEPOINT_EVENT_CLASS(v4l2_class,
  37
  38         TP_PROTO(int minor, struct v4l2_buffer *buf),
  39
  40         TP_ARGS(minor, buf),
  41
  42         TP_FIELDS(
  43                 ctf_integer(int, minor, minor)
  44                 ctf_integer(u32, index, buf->index)
  45                 ctf_integer(u32, type, buf->type)
  46                 ctf_integer(u32, bytesused, buf->bytesused)
  47                 ctf_integer(u32, flags, buf->flags)
  48                 ctf_integer(u32, field, buf->field)
  49                 ctf_integer(s64, timestamp, timeval_to_ns(&buf->timestamp))
  50                 ctf_integer(u32, timecode_type, buf->timecode.type)
  51                 ctf_integer(u32, timecode_flags, buf->timecode.flags)
  52                 ctf_integer(u8, timecode_frames, buf->timecode.frames)
  53                 ctf_integer(u8, timecode_seconds, buf->timecode.seconds)
  54                 ctf_integer(u8, timecode_minutes, buf->timecode.minutes)
  55                 ctf_integer(u8, timecode_hours, buf->timecode.hours)
  56                 ctf_array(u8, timecode_userbits, buf->timecode.userbits, 4)
  57                 ctf_integer(u32, sequence, buf->sequence)
  58         )
  59 )
  60 #endif
  61
  62 LTTNG_TRACEPOINT_EVENT_INSTANCE(v4l2_class,
  63         v4l2_dqbuf,
  64
  65         TP_PROTO(int minor, struct v4l2_buffer *buf),
  66
  67         TP_ARGS(minor, buf)
  68 )
  69
  70 LTTNG_TRACEPOINT_EVENT_INSTANCE(v4l2_class,
  71
  72         v4l2_qbuf,
  73
  74         TP_PROTO(int minor, struct v4l2_buffer *buf),
  75
  76         TP_ARGS(minor, buf)
  77 )
  78
  79 #endif /* if !defined(LTTNG_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ) */
  80
  81 /* This part must be outside protection */
  82 #include <lttng/define_trace.h>