instrumentation/events/lttng-module/v4l2.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM v4l2
   3
   4 #if !defined(LTTNG_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define LTTNG_TRACE_V4L2_H
   6
   7 #include <probes/lttng-tracepoint-event.h>
   8
   9 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0))
  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, v4l2_buffer_get_timestamp(buf))
  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 #else
  35 LTTNG_TRACEPOINT_EVENT_CLASS(v4l2_class,
  36
  37         TP_PROTO(int minor, struct v4l2_buffer *buf),
  38
  39         TP_ARGS(minor, buf),
  40
  41         TP_FIELDS(
  42                 ctf_integer(int, minor, minor)
  43                 ctf_integer(u32, index, buf->index)
  44                 ctf_integer(u32, type, buf->type)
  45                 ctf_integer(u32, bytesused, buf->bytesused)
  46                 ctf_integer(u32, flags, buf->flags)
  47                 ctf_integer(u32, field, buf->field)
  48                 ctf_integer(s64, timestamp, timeval_to_ns(&buf->timestamp))
  49                 ctf_integer(u32, timecode_type, buf->timecode.type)
  50                 ctf_integer(u32, timecode_flags, buf->timecode.flags)
  51                 ctf_integer(u8, timecode_frames, buf->timecode.frames)
  52                 ctf_integer(u8, timecode_seconds, buf->timecode.seconds)
  53                 ctf_integer(u8, timecode_minutes, buf->timecode.minutes)
  54                 ctf_integer(u8, timecode_hours, buf->timecode.hours)
  55                 ctf_array(u8, timecode_userbits, buf->timecode.userbits, 4)
  56                 ctf_integer(u32, sequence, buf->sequence)
  57         )
  58 )
  59 #endif
  60
  61 LTTNG_TRACEPOINT_EVENT_INSTANCE(v4l2_class,
  62         v4l2_dqbuf,
  63
  64         TP_PROTO(int minor, struct v4l2_buffer *buf),
  65
  66         TP_ARGS(minor, buf)
  67 )
  68
  69 LTTNG_TRACEPOINT_EVENT_INSTANCE(v4l2_class,
  70
  71         v4l2_qbuf,
  72
  73         TP_PROTO(int minor, struct v4l2_buffer *buf),
  74
  75         TP_ARGS(minor, buf)
  76 )
  77
  78 #endif /* if !defined(LTTNG_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ) */
  79
  80 /* This part must be outside protection */
  81 #include <probes/define_trace.h>