linux/include/trace/events/v4l2.h
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   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
  36SHOW_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
  53SHOW_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
 100DECLARE_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
 171DEFINE_EVENT(v4l2_event_class, v4l2_dqbuf,
 172        TP_PROTO(int minor, struct v4l2_buffer *buf),
 173        TP_ARGS(minor, buf)
 174);
 175
 176DEFINE_EVENT(v4l2_event_class, v4l2_qbuf,
 177        TP_PROTO(int minor, struct v4l2_buffer *buf),
 178        TP_ARGS(minor, buf)
 179);
 180
 181DECLARE_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
 245DEFINE_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
 250DEFINE_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
 255DEFINE_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
 260DEFINE_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>
 269