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 #define show_timecode_type(type)                                        \
  10         __print_symbolic(type,                                          \
  11                 { V4L2_TC_TYPE_24FPS,           "24FPS" },              \
  12                 { V4L2_TC_TYPE_25FPS,           "25FPS" },              \
  13                 { V4L2_TC_TYPE_30FPS,           "30FPS" },              \
  14                 { V4L2_TC_TYPE_50FPS,           "50FPS" },              \
  15                 { V4L2_TC_TYPE_60FPS,           "60FPS" })
  16
  17 #define show_flags(flags)                                                     \
  18         __print_flags(flags, "|",                                             \
  19                 { V4L2_BUF_FLAG_MAPPED,              "MAPPED" },              \
  20                 { V4L2_BUF_FLAG_QUEUED,              "QUEUED" },              \
  21                 { V4L2_BUF_FLAG_DONE,                "DONE" },                \
  22                 { V4L2_BUF_FLAG_KEYFRAME,            "KEYFRAME" },            \
  23                 { V4L2_BUF_FLAG_PFRAME,              "PFRAME" },              \
  24                 { V4L2_BUF_FLAG_BFRAME,              "BFRAME" },              \
  25                 { V4L2_BUF_FLAG_ERROR,               "ERROR" },               \
  26                 { V4L2_BUF_FLAG_TIMECODE,            "TIMECODE" },            \
  27                 { V4L2_BUF_FLAG_PREPARED,            "PREPARED" },            \
  28                 { V4L2_BUF_FLAG_NO_CACHE_INVALIDATE, "NO_CACHE_INVALIDATE" }, \
  29                 { V4L2_BUF_FLAG_NO_CACHE_CLEAN,      "NO_CACHE_CLEAN" },      \
  30                 { V4L2_BUF_FLAG_TIMESTAMP_MASK,      "TIMESTAMP_MASK" },      \
  31                 { V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN,   "TIMESTAMP_UNKNOWN" },   \
  32                 { V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC, "TIMESTAMP_MONOTONIC" }, \
  33                 { V4L2_BUF_FLAG_TIMESTAMP_COPY,      "TIMESTAMP_COPY" })
  34
  35 #define show_timecode_flags(flags)                                        \
  36         __print_flags(flags, "|",                                         \
  37                 { V4L2_TC_FLAG_DROPFRAME,       "DROPFRAME" },            \
  38                 { V4L2_TC_FLAG_COLORFRAME,      "COLORFRAME" },           \
  39                 { V4L2_TC_USERBITS_USERDEFINED, "USERBITS_USERDEFINED" }, \
  40                 { V4L2_TC_USERBITS_8BITCHARS,   "USERBITS_8BITCHARS" })
  41
  42 #define LTTNG_TRACEPOINT_EVENT_V4L2(event_name)                         \
  43         LTTNG_TRACEPOINT_EVENT(event_name,                                              \
  44                 TP_PROTO(int minor, struct v4l2_buffer *buf),           \
  45                                                                         \
  46                 TP_ARGS(minor, buf),                                    \
  47                                                                         \
  48                 TP_STRUCT__entry(                                       \
  49                         __field(int, minor)                             \
  50                         __field(u32, index)                             \
  51                         __field(u32, type)                              \
  52                         __field(u32, bytesused)                         \
  53                         __field(u32, flags)                             \
  54                         __field(u32, field)                             \
  55                         __field(s64, timestamp)                         \
  56                         __field(u32, timecode_type)                     \
  57                         __field(u32, timecode_flags)                    \
  58                         __field(u8, timecode_frames)                    \
  59                         __field(u8, timecode_seconds)                   \
  60                         __field(u8, timecode_minutes)                   \
  61                         __field(u8, timecode_hours)                     \
  62                         __field(u8, timecode_userbits0)                 \
  63                         __field(u8, timecode_userbits1)                 \
  64                         __field(u8, timecode_userbits2)                 \
  65                         __field(u8, timecode_userbits3)                 \
  66                         __field(u32, sequence)                          \
  67                 ),                                                      \
  68                                                                         \
  69                 TP_fast_assign(                                         \
  70                         tp_assign(minor, minor);                        \
  71                         tp_assign(index, buf->index);                   \
  72                         tp_assign(type, buf->type);                     \
  73                         tp_assign(bytesused, buf->bytesused);           \
  74                         tp_assign(flags, buf->flags);                   \
  75                         tp_assign(field, buf->field);                   \
  76                         tp_assign(timestamp,                            \
  77                                 timeval_to_ns(&buf->timestamp));        \
  78                         tp_assign(timecode_type, buf->timecode.type);   \
  79                         tp_assign(timecode_flags, buf->timecode.flags); \
  80                         tp_assign(timecode_frames,                      \
  81                                 buf->timecode.frames);                  \
  82                         tp_assign(timecode_seconds,                     \
  83                                 buf->timecode.seconds);                 \
  84                         tp_assign(timecode_minutes,                     \
  85                                 buf->timecode.minutes);                 \
  86                         tp_assign(timecode_hours, buf->timecode.hours); \
  87                         tp_assign(timecode_userbits0,                   \
  88                                 buf->timecode.userbits[0]);             \
  89                         tp_assign(timecode_userbits1,                   \
  90                                 buf->timecode.userbits[1]);             \
  91                         tp_assign(timecode_userbits2,                   \
  92                                 buf->timecode.userbits[2]);             \
  93                         tp_assign(timecode_userbits3,                   \
  94                                 buf->timecode.userbits[3]);             \
  95                         tp_assign(sequence, buf->sequence);             \
  96                 ),                                                      \
  97                                                                         \
  98                 TP_printk()                                             \
  99         )
 100
 101 LTTNG_TRACEPOINT_EVENT_V4L2(v4l2_dqbuf)
 102 LTTNG_TRACEPOINT_EVENT_V4L2(v4l2_qbuf)
 103
 104 #endif /* if !defined(LTTNG_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ) */
 105
 106 /* This part must be outside protection */
 107 #include "../../../probes/define_trace.h"