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TOMOYO Linux Cross Reference
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 
 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 = timeval_to_ns(&buf->timestamp);
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>
269 

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