1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
#undef TRACE_SYSTEM
#define TRACE_SYSTEM v4l2
#if !defined(_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_V4L2_H
#include <linux/tracepoint.h>
/* Enums require being exported to userspace, for user tool parsing */
#undef EM
#undef EMe
#define EM(a, b) TRACE_DEFINE_ENUM(a);
#define EMe(a, b) TRACE_DEFINE_ENUM(a);
#define show_type(type) \
__print_symbolic(type, SHOW_TYPE)
#define SHOW_TYPE \
EM( V4L2_BUF_TYPE_VIDEO_CAPTURE, "VIDEO_CAPTURE" ) \
EM( V4L2_BUF_TYPE_VIDEO_OUTPUT, "VIDEO_OUTPUT" ) \
EM( V4L2_BUF_TYPE_VIDEO_OVERLAY, "VIDEO_OVERLAY" ) \
EM( V4L2_BUF_TYPE_VBI_CAPTURE, "VBI_CAPTURE" ) \
EM( V4L2_BUF_TYPE_VBI_OUTPUT, "VBI_OUTPUT" ) \
EM( V4L2_BUF_TYPE_SLICED_VBI_CAPTURE, "SLICED_VBI_CAPTURE" ) \
EM( V4L2_BUF_TYPE_SLICED_VBI_OUTPUT, "SLICED_VBI_OUTPUT" ) \
EM( V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY, "VIDEO_OUTPUT_OVERLAY" ) \
EM( V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, "VIDEO_CAPTURE_MPLANE" ) \
EM( V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, "VIDEO_OUTPUT_MPLANE" ) \
EM( V4L2_BUF_TYPE_SDR_CAPTURE, "SDR_CAPTURE" ) \
EMe(V4L2_BUF_TYPE_PRIVATE, "PRIVATE" )
SHOW_TYPE
#define show_field(field) \
__print_symbolic(field, SHOW_FIELD)
#define SHOW_FIELD \
EM( V4L2_FIELD_ANY, "ANY" ) \
EM( V4L2_FIELD_NONE, "NONE" ) \
EM( V4L2_FIELD_TOP, "TOP" ) \
EM( V4L2_FIELD_BOTTOM, "BOTTOM" ) \
EM( V4L2_FIELD_INTERLACED, "INTERLACED" ) \
EM( V4L2_FIELD_SEQ_TB, "SEQ_TB" ) \
EM( V4L2_FIELD_SEQ_BT, "SEQ_BT" ) \
EM( V4L2_FIELD_ALTERNATE, "ALTERNATE" ) \
EM( V4L2_FIELD_INTERLACED_TB, "INTERLACED_TB" ) \
EMe( V4L2_FIELD_INTERLACED_BT, "INTERLACED_BT" )
SHOW_FIELD
/*
* Now redefine the EM() and EMe() macros to map the enums to the strings
* that will be printed in the output.
*/
#undef EM
#undef EMe
#define EM(a, b) {a, b},
#define EMe(a, b) {a, b}
/* V4L2_TC_TYPE_* are macros, not defines, they do not need processing */
#define show_timecode_type(type) \
__print_symbolic(type, \
{ V4L2_TC_TYPE_24FPS, "24FPS" }, \
{ V4L2_TC_TYPE_25FPS, "25FPS" }, \
{ V4L2_TC_TYPE_30FPS, "30FPS" }, \
{ V4L2_TC_TYPE_50FPS, "50FPS" }, \
{ V4L2_TC_TYPE_60FPS, "60FPS" })
#define show_flags(flags) \
__print_flags(flags, "|", \
{ V4L2_BUF_FLAG_MAPPED, "MAPPED" }, \
{ V4L2_BUF_FLAG_QUEUED, "QUEUED" }, \
{ V4L2_BUF_FLAG_DONE, "DONE" }, \
{ V4L2_BUF_FLAG_KEYFRAME, "KEYFRAME" }, \
{ V4L2_BUF_FLAG_PFRAME, "PFRAME" }, \
{ V4L2_BUF_FLAG_BFRAME, "BFRAME" }, \
{ V4L2_BUF_FLAG_ERROR, "ERROR" }, \
{ V4L2_BUF_FLAG_TIMECODE, "TIMECODE" }, \
{ V4L2_BUF_FLAG_PREPARED, "PREPARED" }, \
{ V4L2_BUF_FLAG_NO_CACHE_INVALIDATE, "NO_CACHE_INVALIDATE" }, \
{ V4L2_BUF_FLAG_NO_CACHE_CLEAN, "NO_CACHE_CLEAN" }, \
{ V4L2_BUF_FLAG_TIMESTAMP_MASK, "TIMESTAMP_MASK" }, \
{ V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN, "TIMESTAMP_UNKNOWN" }, \
{ V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC, "TIMESTAMP_MONOTONIC" }, \
{ V4L2_BUF_FLAG_TIMESTAMP_COPY, "TIMESTAMP_COPY" }, \
{ V4L2_BUF_FLAG_LAST, "LAST" })
#define show_timecode_flags(flags) \
__print_flags(flags, "|", \
{ V4L2_TC_FLAG_DROPFRAME, "DROPFRAME" }, \
{ V4L2_TC_FLAG_COLORFRAME, "COLORFRAME" }, \
{ V4L2_TC_USERBITS_USERDEFINED, "USERBITS_USERDEFINED" }, \
{ V4L2_TC_USERBITS_8BITCHARS, "USERBITS_8BITCHARS" })
#define V4L2_TRACE_EVENT(event_name) \
TRACE_EVENT(event_name, \
TP_PROTO(int minor, struct v4l2_buffer *buf), \
\
TP_ARGS(minor, buf), \
\
TP_STRUCT__entry( \
__field(int, minor) \
__field(u32, index) \
__field(u32, type) \
__field(u32, bytesused) \
__field(u32, flags) \
__field(u32, field) \
__field(s64, timestamp) \
__field(u32, timecode_type) \
__field(u32, timecode_flags) \
__field(u8, timecode_frames) \
__field(u8, timecode_seconds) \
__field(u8, timecode_minutes) \
__field(u8, timecode_hours) \
__field(u8, timecode_userbits0) \
__field(u8, timecode_userbits1) \
__field(u8, timecode_userbits2) \
__field(u8, timecode_userbits3) \
__field(u32, sequence) \
), \
\
TP_fast_assign( \
__entry->minor = minor; \
__entry->index = buf->index; \
__entry->type = buf->type; \
__entry->bytesused = buf->bytesused; \
__entry->flags = buf->flags; \
__entry->field = buf->field; \
__entry->timestamp = \
timeval_to_ns(&buf->timestamp); \
__entry->timecode_type = buf->timecode.type; \
__entry->timecode_flags = buf->timecode.flags; \
__entry->timecode_frames = \
buf->timecode.frames; \
__entry->timecode_seconds = \
buf->timecode.seconds; \
__entry->timecode_minutes = \
buf->timecode.minutes; \
__entry->timecode_hours = buf->timecode.hours; \
__entry->timecode_userbits0 = \
buf->timecode.userbits[0]; \
__entry->timecode_userbits1 = \
buf->timecode.userbits[1]; \
__entry->timecode_userbits2 = \
buf->timecode.userbits[2]; \
__entry->timecode_userbits3 = \
buf->timecode.userbits[3]; \
__entry->sequence = buf->sequence; \
), \
\
TP_printk("minor = %d, index = %u, type = %s, " \
"bytesused = %u, flags = %s, " \
"field = %s, timestamp = %llu, timecode = { " \
"type = %s, flags = %s, frames = %u, " \
"seconds = %u, minutes = %u, hours = %u, " \
"userbits = { %u %u %u %u } }, " \
"sequence = %u", __entry->minor, \
__entry->index, show_type(__entry->type), \
__entry->bytesused, \
show_flags(__entry->flags), \
show_field(__entry->field), \
__entry->timestamp, \
show_timecode_type(__entry->timecode_type), \
show_timecode_flags(__entry->timecode_flags), \
__entry->timecode_frames, \
__entry->timecode_seconds, \
__entry->timecode_minutes, \
__entry->timecode_hours, \
__entry->timecode_userbits0, \
__entry->timecode_userbits1, \
__entry->timecode_userbits2, \
__entry->timecode_userbits3, \
__entry->sequence \
) \
)
V4L2_TRACE_EVENT(v4l2_dqbuf);
V4L2_TRACE_EVENT(v4l2_qbuf);
#endif /* if !defined(_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ) */
/* This part must be outside protection */
#include <trace/define_trace.h>
|
