include/trace/events/v4l2.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM v4l2
   4
   5 #if !defined(_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_V4L2_H
   7
   8 #include <linux/tracepoint.h>
   9 #include <media/videobuf2-v4l2.h>
  10
  11 /* Enums require being exported to userspace, for user tool parsing */
  12 #undef EM
  13 #undef EMe
  14 #define EM(a, b)        TRACE_DEFINE_ENUM(a);
  15 #define EMe(a, b)       TRACE_DEFINE_ENUM(a);
  16
  17 #define show_type(type)                                                 \
  18         __print_symbolic(type, SHOW_TYPE)
  19
  20 #define SHOW_TYPE                                                       \
  21         EM( V4L2_BUF_TYPE_VIDEO_CAPTURE,        "VIDEO_CAPTURE" )       \
  22         EM( V4L2_BUF_TYPE_VIDEO_OUTPUT,         "VIDEO_OUTPUT" )        \
  23         EM( V4L2_BUF_TYPE_VIDEO_OVERLAY,        "VIDEO_OVERLAY" )       \
  24         EM( V4L2_BUF_TYPE_VBI_CAPTURE,          "VBI_CAPTURE" )         \
  25         EM( V4L2_BUF_TYPE_VBI_OUTPUT,           "VBI_OUTPUT" )          \
  26         EM( V4L2_BUF_TYPE_SLICED_VBI_CAPTURE,   "SLICED_VBI_CAPTURE" )  \
  27         EM( V4L2_BUF_TYPE_SLICED_VBI_OUTPUT,    "SLICED_VBI_OUTPUT" )   \
  28         EM( V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY, "VIDEO_OUTPUT_OVERLAY" ) \
  29         EM( V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, "VIDEO_CAPTURE_MPLANE" ) \
  30         EM( V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,  "VIDEO_OUTPUT_MPLANE" ) \
  31         EM( V4L2_BUF_TYPE_SDR_CAPTURE,          "SDR_CAPTURE" )         \
  32         EM( V4L2_BUF_TYPE_SDR_OUTPUT,           "SDR_OUTPUT" )          \
  33         EM( V4L2_BUF_TYPE_META_CAPTURE,         "META_CAPTURE" )        \
  34         EMe(V4L2_BUF_TYPE_PRIVATE,              "PRIVATE" )
  35
  36 SHOW_TYPE
  37
  38 #define show_field(field)                                               \
  39         __print_symbolic(field, SHOW_FIELD)
  40
  41 #define SHOW_FIELD                                                      \
  42         EM( V4L2_FIELD_ANY,             "ANY" )                         \
  43         EM( V4L2_FIELD_NONE,            "NONE" )                        \
  44         EM( V4L2_FIELD_TOP,             "TOP" )                         \
  45         EM( V4L2_FIELD_BOTTOM,          "BOTTOM" )                      \
  46         EM( V4L2_FIELD_INTERLACED,      "INTERLACED" )                  \
  47         EM( V4L2_FIELD_SEQ_TB,          "SEQ_TB" )                      \
  48         EM( V4L2_FIELD_SEQ_BT,          "SEQ_BT" )                      \
  49         EM( V4L2_FIELD_ALTERNATE,       "ALTERNATE" )                   \
  50         EM( V4L2_FIELD_INTERLACED_TB,   "INTERLACED_TB" )               \
  51         EMe( V4L2_FIELD_INTERLACED_BT,  "INTERLACED_BT" )
  52
  53 SHOW_FIELD
  54
  55 /*
  56  * Now redefine the EM() and EMe() macros to map the enums to the strings
  57  * that will be printed in the output.
  58  */
  59 #undef EM
  60 #undef EMe
  61 #define EM(a, b)        {a, b},
  62 #define EMe(a, b)       {a, b}
  63
  64 /* V4L2_TC_TYPE_* are macros, not defines, they do not need processing */
  65
  66 #define show_timecode_type(type)                                        \
  67         __print_symbolic(type,                                          \
  68                 { V4L2_TC_TYPE_24FPS,           "24FPS" },              \
  69                 { V4L2_TC_TYPE_25FPS,           "25FPS" },              \
  70                 { V4L2_TC_TYPE_30FPS,           "30FPS" },              \
  71                 { V4L2_TC_TYPE_50FPS,           "50FPS" },              \
  72                 { V4L2_TC_TYPE_60FPS,           "60FPS" })
  73
  74 #define show_flags(flags)                                                     \
  75         __print_flags(flags, "|",                                             \
  76                 { V4L2_BUF_FLAG_MAPPED,              "MAPPED" },              \
  77                 { V4L2_BUF_FLAG_QUEUED,              "QUEUED" },              \
  78                 { V4L2_BUF_FLAG_DONE,                "DONE" },                \
  79                 { V4L2_BUF_FLAG_KEYFRAME,            "KEYFRAME" },            \
  80                 { V4L2_BUF_FLAG_PFRAME,              "PFRAME" },              \
  81                 { V4L2_BUF_FLAG_BFRAME,              "BFRAME" },              \
  82                 { V4L2_BUF_FLAG_ERROR,               "ERROR" },               \
  83                 { V4L2_BUF_FLAG_TIMECODE,            "TIMECODE" },            \
  84                 { V4L2_BUF_FLAG_PREPARED,            "PREPARED" },            \
  85                 { V4L2_BUF_FLAG_NO_CACHE_INVALIDATE, "NO_CACHE_INVALIDATE" }, \
  86                 { V4L2_BUF_FLAG_NO_CACHE_CLEAN,      "NO_CACHE_CLEAN" },      \
  87                 { V4L2_BUF_FLAG_TIMESTAMP_MASK,      "TIMESTAMP_MASK" },      \
  88                 { V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN,   "TIMESTAMP_UNKNOWN" },   \
  89                 { V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC, "TIMESTAMP_MONOTONIC" }, \
  90                 { V4L2_BUF_FLAG_TIMESTAMP_COPY,      "TIMESTAMP_COPY" },      \
  91                 { V4L2_BUF_FLAG_LAST,                "LAST" })
  92
  93 #define show_timecode_flags(flags)                                        \
  94         __print_flags(flags, "|",                                         \
  95                 { V4L2_TC_FLAG_DROPFRAME,       "DROPFRAME" },            \
  96                 { V4L2_TC_FLAG_COLORFRAME,      "COLORFRAME" },           \
  97                 { V4L2_TC_USERBITS_USERDEFINED, "USERBITS_USERDEFINED" }, \
  98                 { V4L2_TC_USERBITS_8BITCHARS,   "USERBITS_8BITCHARS" })
  99
 100 DECLARE_EVENT_CLASS(v4l2_event_class,
 101         TP_PROTO(int minor, struct v4l2_buffer *buf),
 102
 103         TP_ARGS(minor, buf),
 104
 105         TP_STRUCT__entry(
 106                 __field(int, minor)
 107                 __field(u32, index)
 108                 __field(u32, type)
 109                 __field(u32, bytesused)
 110                 __field(u32, flags)
 111                 __field(u32, field)
 112                 __field(s64, timestamp)
 113                 __field(u32, timecode_type)
 114                 __field(u32, timecode_flags)
 115                 __field(u8, timecode_frames)
 116                 __field(u8, timecode_seconds)
 117                 __field(u8, timecode_minutes)
 118                 __field(u8, timecode_hours)
 119                 __field(u8, timecode_userbits0)
 120                 __field(u8, timecode_userbits1)
 121                 __field(u8, timecode_userbits2)
 122                 __field(u8, timecode_userbits3)
 123                 __field(u32, sequence)
 124         ),
 125
 126         TP_fast_assign(
 127                 __entry->minor = minor;
 128                 __entry->index = buf->index;
 129                 __entry->type = buf->type;
 130                 __entry->bytesused = buf->bytesused;
 131                 __entry->flags = buf->flags;
 132                 __entry->field = buf->field;
 133                 __entry->timestamp = v4l2_buffer_get_timestamp(buf);
 134                 __entry->timecode_type = buf->timecode.type;
 135                 __entry->timecode_flags = buf->timecode.flags;
 136                 __entry->timecode_frames = buf->timecode.frames;
 137                 __entry->timecode_seconds = buf->timecode.seconds;
 138                 __entry->timecode_minutes = buf->timecode.minutes;
 139                 __entry->timecode_hours = buf->timecode.hours;
 140                 __entry->timecode_userbits0 = buf->timecode.userbits[0];
 141                 __entry->timecode_userbits1 = buf->timecode.userbits[1];
 142                 __entry->timecode_userbits2 = buf->timecode.userbits[2];
 143                 __entry->timecode_userbits3 = buf->timecode.userbits[3];
 144                 __entry->sequence = buf->sequence;
 145         ),
 146
 147         TP_printk("minor = %d, index = %u, type = %s, bytesused = %u, "
 148                   "flags = %s, field = %s, timestamp = %llu, "
 149                   "timecode = { type = %s, flags = %s, frames = %u, "
 150                   "seconds = %u, minutes = %u, hours = %u, "
 151                   "userbits = { %u %u %u %u } }, sequence = %u", __entry->minor,
 152                   __entry->index, show_type(__entry->type),
 153                   __entry->bytesused,
 154                   show_flags(__entry->flags),
 155                   show_field(__entry->field),
 156                   __entry->timestamp,
 157                   show_timecode_type(__entry->timecode_type),
 158                   show_timecode_flags(__entry->timecode_flags),
 159                   __entry->timecode_frames,
 160                   __entry->timecode_seconds,
 161                   __entry->timecode_minutes,
 162                   __entry->timecode_hours,
 163                   __entry->timecode_userbits0,
 164                   __entry->timecode_userbits1,
 165                   __entry->timecode_userbits2,
 166                   __entry->timecode_userbits3,
 167                   __entry->sequence
 168         )
 169 )
 170
 171 DEFINE_EVENT(v4l2_event_class, v4l2_dqbuf,
 172         TP_PROTO(int minor, struct v4l2_buffer *buf),
 173         TP_ARGS(minor, buf)
 174 );
 175
 176 DEFINE_EVENT(v4l2_event_class, v4l2_qbuf,
 177         TP_PROTO(int minor, struct v4l2_buffer *buf),
 178         TP_ARGS(minor, buf)
 179 );
 180
 181 DECLARE_EVENT_CLASS(vb2_v4l2_event_class,
 182         TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
 183         TP_ARGS(q, vb),
 184
 185         TP_STRUCT__entry(
 186                 __field(int, minor)
 187                 __field(u32, flags)
 188                 __field(u32, field)
 189                 __field(u64, timestamp)
 190                 __field(u32, timecode_type)
 191                 __field(u32, timecode_flags)
 192                 __field(u8, timecode_frames)
 193                 __field(u8, timecode_seconds)
 194                 __field(u8, timecode_minutes)
 195                 __field(u8, timecode_hours)
 196                 __field(u8, timecode_userbits0)
 197                 __field(u8, timecode_userbits1)
 198                 __field(u8, timecode_userbits2)
 199                 __field(u8, timecode_userbits3)
 200                 __field(u32, sequence)
 201         ),
 202
 203         TP_fast_assign(
 204                 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 205                 struct v4l2_fh *owner = q->owner;
 206
 207                 __entry->minor = owner ? owner->vdev->minor : -1;
 208                 __entry->flags = vbuf->flags;
 209                 __entry->field = vbuf->field;
 210                 __entry->timestamp = vb->timestamp;
 211                 __entry->timecode_type = vbuf->timecode.type;
 212                 __entry->timecode_flags = vbuf->timecode.flags;
 213                 __entry->timecode_frames = vbuf->timecode.frames;
 214                 __entry->timecode_seconds = vbuf->timecode.seconds;
 215                 __entry->timecode_minutes = vbuf->timecode.minutes;
 216                 __entry->timecode_hours = vbuf->timecode.hours;
 217                 __entry->timecode_userbits0 = vbuf->timecode.userbits[0];
 218                 __entry->timecode_userbits1 = vbuf->timecode.userbits[1];
 219                 __entry->timecode_userbits2 = vbuf->timecode.userbits[2];
 220                 __entry->timecode_userbits3 = vbuf->timecode.userbits[3];
 221                 __entry->sequence = vbuf->sequence;
 222         ),
 223
 224         TP_printk("minor=%d flags = %s, field = %s, "
 225                   "timestamp = %llu, timecode = { type = %s, flags = %s, "
 226                   "frames = %u, seconds = %u, minutes = %u, hours = %u, "
 227                   "userbits = { %u %u %u %u } }, sequence = %u", __entry->minor,
 228                   show_flags(__entry->flags),
 229                   show_field(__entry->field),
 230                   __entry->timestamp,
 231                   show_timecode_type(__entry->timecode_type),
 232                   show_timecode_flags(__entry->timecode_flags),
 233                   __entry->timecode_frames,
 234                   __entry->timecode_seconds,
 235                   __entry->timecode_minutes,
 236                   __entry->timecode_hours,
 237                   __entry->timecode_userbits0,
 238                   __entry->timecode_userbits1,
 239                   __entry->timecode_userbits2,
 240                   __entry->timecode_userbits3,
 241                   __entry->sequence
 242         )
 243 )
 244
 245 DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_buf_done,
 246         TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
 247         TP_ARGS(q, vb)
 248 );
 249
 250 DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_buf_queue,
 251         TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
 252         TP_ARGS(q, vb)
 253 );
 254
 255 DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_dqbuf,
 256         TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
 257         TP_ARGS(q, vb)
 258 );
 259
 260 DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_qbuf,
 261         TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
 262         TP_ARGS(q, vb)
 263 );
 264
 265 #endif /* if !defined(_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ) */
 266
 267 /* This part must be outside protection */
 268 #include <trace/define_trace.h>