include/trace/events/v4l2.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM v4l2
   3
   4 #if !defined(_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_V4L2_H
   6
   7 #include <linux/tracepoint.h>
   8
   9 /* Enums require being exported to userspace, for user tool parsing */
  10 #undef EM
  11 #undef EMe
  12 #define EM(a, b)        TRACE_DEFINE_ENUM(a);
  13 #define EMe(a, b)       TRACE_DEFINE_ENUM(a);
  14
  15 #define show_type(type)                                                 \
  16         __print_symbolic(type, SHOW_TYPE)
  17
  18 #define SHOW_TYPE                                                       \
  19         EM( V4L2_BUF_TYPE_VIDEO_CAPTURE,        "VIDEO_CAPTURE" )       \
  20         EM( V4L2_BUF_TYPE_VIDEO_OUTPUT,         "VIDEO_OUTPUT" )        \
  21         EM( V4L2_BUF_TYPE_VIDEO_OVERLAY,        "VIDEO_OVERLAY" )       \
  22         EM( V4L2_BUF_TYPE_VBI_CAPTURE,          "VBI_CAPTURE" )         \
  23         EM( V4L2_BUF_TYPE_VBI_OUTPUT,           "VBI_OUTPUT" )          \
  24         EM( V4L2_BUF_TYPE_SLICED_VBI_CAPTURE,   "SLICED_VBI_CAPTURE" )  \
  25         EM( V4L2_BUF_TYPE_SLICED_VBI_OUTPUT,    "SLICED_VBI_OUTPUT" )   \
  26         EM( V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY, "VIDEO_OUTPUT_OVERLAY" ) \
  27         EM( V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, "VIDEO_CAPTURE_MPLANE" ) \
  28         EM( V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,  "VIDEO_OUTPUT_MPLANE" ) \
  29         EM( V4L2_BUF_TYPE_SDR_CAPTURE,          "SDR_CAPTURE" )         \
  30         EMe(V4L2_BUF_TYPE_PRIVATE,              "PRIVATE" )
  31
  32 SHOW_TYPE
  33
  34 #define show_field(field)                                               \
  35         __print_symbolic(field, SHOW_FIELD)
  36
  37 #define SHOW_FIELD                                                      \
  38         EM( V4L2_FIELD_ANY,             "ANY" )                         \
  39         EM( V4L2_FIELD_NONE,            "NONE" )                        \
  40         EM( V4L2_FIELD_TOP,             "TOP" )                         \
  41         EM( V4L2_FIELD_BOTTOM,          "BOTTOM" )                      \
  42         EM( V4L2_FIELD_INTERLACED,      "INTERLACED" )                  \
  43         EM( V4L2_FIELD_SEQ_TB,          "SEQ_TB" )                      \
  44         EM( V4L2_FIELD_SEQ_BT,          "SEQ_BT" )                      \
  45         EM( V4L2_FIELD_ALTERNATE,       "ALTERNATE" )                   \
  46         EM( V4L2_FIELD_INTERLACED_TB,   "INTERLACED_TB" )               \
  47         EMe( V4L2_FIELD_INTERLACED_BT,  "INTERLACED_BT" )
  48
  49 SHOW_FIELD
  50
  51 /*
  52  * Now redefine the EM() and EMe() macros to map the enums to the strings
  53  * that will be printed in the output.
  54  */
  55 #undef EM
  56 #undef EMe
  57 #define EM(a, b)        {a, b},
  58 #define EMe(a, b)       {a, b}
  59
  60 /* V4L2_TC_TYPE_* are macros, not defines, they do not need processing */
  61
  62 #define show_timecode_type(type)                                        \
  63         __print_symbolic(type,                                          \
  64                 { V4L2_TC_TYPE_24FPS,           "24FPS" },              \
  65                 { V4L2_TC_TYPE_25FPS,           "25FPS" },              \
  66                 { V4L2_TC_TYPE_30FPS,           "30FPS" },              \
  67                 { V4L2_TC_TYPE_50FPS,           "50FPS" },              \
  68                 { V4L2_TC_TYPE_60FPS,           "60FPS" })
  69
  70 #define show_flags(flags)                                                     \
  71         __print_flags(flags, "|",                                             \
  72                 { V4L2_BUF_FLAG_MAPPED,              "MAPPED" },              \
  73                 { V4L2_BUF_FLAG_QUEUED,              "QUEUED" },              \
  74                 { V4L2_BUF_FLAG_DONE,                "DONE" },                \
  75                 { V4L2_BUF_FLAG_KEYFRAME,            "KEYFRAME" },            \
  76                 { V4L2_BUF_FLAG_PFRAME,              "PFRAME" },              \
  77                 { V4L2_BUF_FLAG_BFRAME,              "BFRAME" },              \
  78                 { V4L2_BUF_FLAG_ERROR,               "ERROR" },               \
  79                 { V4L2_BUF_FLAG_TIMECODE,            "TIMECODE" },            \
  80                 { V4L2_BUF_FLAG_PREPARED,            "PREPARED" },            \
  81                 { V4L2_BUF_FLAG_NO_CACHE_INVALIDATE, "NO_CACHE_INVALIDATE" }, \
  82                 { V4L2_BUF_FLAG_NO_CACHE_CLEAN,      "NO_CACHE_CLEAN" },      \
  83                 { V4L2_BUF_FLAG_TIMESTAMP_MASK,      "TIMESTAMP_MASK" },      \
  84                 { V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN,   "TIMESTAMP_UNKNOWN" },   \
  85                 { V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC, "TIMESTAMP_MONOTONIC" }, \
  86                 { V4L2_BUF_FLAG_TIMESTAMP_COPY,      "TIMESTAMP_COPY" },      \
  87                 { V4L2_BUF_FLAG_LAST,                "LAST" })
  88
  89 #define show_timecode_flags(flags)                                        \
  90         __print_flags(flags, "|",                                         \
  91                 { V4L2_TC_FLAG_DROPFRAME,       "DROPFRAME" },            \
  92                 { V4L2_TC_FLAG_COLORFRAME,      "COLORFRAME" },           \
  93                 { V4L2_TC_USERBITS_USERDEFINED, "USERBITS_USERDEFINED" }, \
  94                 { V4L2_TC_USERBITS_8BITCHARS,   "USERBITS_8BITCHARS" })
  95
  96 DECLARE_EVENT_CLASS(v4l2_event_class,
  97         TP_PROTO(int minor, struct v4l2_buffer *buf),
  98
  99         TP_ARGS(minor, buf),
 100
 101         TP_STRUCT__entry(
 102                 __field(int, minor)
 103                 __field(u32, index)
 104                 __field(u32, type)
 105                 __field(u32, bytesused)
 106                 __field(u32, flags)
 107                 __field(u32, field)
 108                 __field(s64, timestamp)
 109                 __field(u32, timecode_type)
 110                 __field(u32, timecode_flags)
 111                 __field(u8, timecode_frames)
 112                 __field(u8, timecode_seconds)
 113                 __field(u8, timecode_minutes)
 114                 __field(u8, timecode_hours)
 115                 __field(u8, timecode_userbits0)
 116                 __field(u8, timecode_userbits1)
 117                 __field(u8, timecode_userbits2)
 118                 __field(u8, timecode_userbits3)
 119                 __field(u32, sequence)
 120         ),
 121
 122         TP_fast_assign(
 123                 __entry->minor = minor;
 124                 __entry->index = buf->index;
 125                 __entry->type = buf->type;
 126                 __entry->bytesused = buf->bytesused;
 127                 __entry->flags = buf->flags;
 128                 __entry->field = buf->field;
 129                 __entry->timestamp = timeval_to_ns(&buf->timestamp);
 130                 __entry->timecode_type = buf->timecode.type;
 131                 __entry->timecode_flags = buf->timecode.flags;
 132                 __entry->timecode_frames = buf->timecode.frames;
 133                 __entry->timecode_seconds = buf->timecode.seconds;
 134                 __entry->timecode_minutes = buf->timecode.minutes;
 135                 __entry->timecode_hours = buf->timecode.hours;
 136                 __entry->timecode_userbits0 = buf->timecode.userbits[0];
 137                 __entry->timecode_userbits1 = buf->timecode.userbits[1];
 138                 __entry->timecode_userbits2 = buf->timecode.userbits[2];
 139                 __entry->timecode_userbits3 = buf->timecode.userbits[3];
 140                 __entry->sequence = buf->sequence;
 141         ),
 142
 143         TP_printk("minor = %d, index = %u, type = %s, bytesused = %u, "
 144                   "flags = %s, field = %s, timestamp = %llu, "
 145                   "timecode = { type = %s, flags = %s, frames = %u, "
 146                   "seconds = %u, minutes = %u, hours = %u, "
 147                   "userbits = { %u %u %u %u } }, sequence = %u", __entry->minor,
 148                   __entry->index, show_type(__entry->type),
 149                   __entry->bytesused,
 150                   show_flags(__entry->flags),
 151                   show_field(__entry->field),
 152                   __entry->timestamp,
 153                   show_timecode_type(__entry->timecode_type),
 154                   show_timecode_flags(__entry->timecode_flags),
 155                   __entry->timecode_frames,
 156                   __entry->timecode_seconds,
 157                   __entry->timecode_minutes,
 158                   __entry->timecode_hours,
 159                   __entry->timecode_userbits0,
 160                   __entry->timecode_userbits1,
 161                   __entry->timecode_userbits2,
 162                   __entry->timecode_userbits3,
 163                   __entry->sequence
 164         )
 165 )
 166
 167 DEFINE_EVENT(v4l2_event_class, v4l2_dqbuf,
 168         TP_PROTO(int minor, struct v4l2_buffer *buf),
 169         TP_ARGS(minor, buf)
 170 );
 171
 172 DEFINE_EVENT(v4l2_event_class, v4l2_qbuf,
 173         TP_PROTO(int minor, struct v4l2_buffer *buf),
 174         TP_ARGS(minor, buf)
 175 );
 176
 177 #endif /* if !defined(_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ) */
 178
 179 /* This part must be outside protection */
 180 #include <trace/define_trace.h>