2 #define TRACE_SYSTEM v4l2
4 #if !defined(LTTNG_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define LTTNG_TRACE_V4L2_H
7 #include "../../../probes/lttng-tracepoint-event.h"
9 #define show_field(field) \
10 __print_symbolic(field, \
11 { V4L2_FIELD_ANY, "ANY" }, \
12 { V4L2_FIELD_NONE, "NONE" }, \
13 { V4L2_FIELD_TOP, "TOP" }, \
14 { V4L2_FIELD_BOTTOM, "BOTTOM" }, \
15 { V4L2_FIELD_INTERLACED, "INTERLACED" }, \
16 { V4L2_FIELD_SEQ_TB, "SEQ_TB" }, \
17 { V4L2_FIELD_SEQ_BT, "SEQ_BT" }, \
18 { V4L2_FIELD_ALTERNATE, "ALTERNATE" }, \
19 { V4L2_FIELD_INTERLACED_TB, "INTERLACED_TB" }, \
20 { V4L2_FIELD_INTERLACED_BT, "INTERLACED_BT" })
22 #define show_timecode_type(type) \
23 __print_symbolic(type, \
24 { V4L2_TC_TYPE_24FPS, "24FPS" }, \
25 { V4L2_TC_TYPE_25FPS, "25FPS" }, \
26 { V4L2_TC_TYPE_30FPS, "30FPS" }, \
27 { V4L2_TC_TYPE_50FPS, "50FPS" }, \
28 { V4L2_TC_TYPE_60FPS, "60FPS" })
30 #define show_flags(flags) \
31 __print_flags(flags, "|", \
32 { V4L2_BUF_FLAG_MAPPED, "MAPPED" }, \
33 { V4L2_BUF_FLAG_QUEUED, "QUEUED" }, \
34 { V4L2_BUF_FLAG_DONE, "DONE" }, \
35 { V4L2_BUF_FLAG_KEYFRAME, "KEYFRAME" }, \
36 { V4L2_BUF_FLAG_PFRAME, "PFRAME" }, \
37 { V4L2_BUF_FLAG_BFRAME, "BFRAME" }, \
38 { V4L2_BUF_FLAG_ERROR, "ERROR" }, \
39 { V4L2_BUF_FLAG_TIMECODE, "TIMECODE" }, \
40 { V4L2_BUF_FLAG_PREPARED, "PREPARED" }, \
41 { V4L2_BUF_FLAG_NO_CACHE_INVALIDATE, "NO_CACHE_INVALIDATE" }, \
42 { V4L2_BUF_FLAG_NO_CACHE_CLEAN, "NO_CACHE_CLEAN" }, \
43 { V4L2_BUF_FLAG_TIMESTAMP_MASK, "TIMESTAMP_MASK" }, \
44 { V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN, "TIMESTAMP_UNKNOWN" }, \
45 { V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC, "TIMESTAMP_MONOTONIC" }, \
46 { V4L2_BUF_FLAG_TIMESTAMP_COPY, "TIMESTAMP_COPY" })
48 #define show_timecode_flags(flags) \
49 __print_flags(flags, "|", \
50 { V4L2_TC_FLAG_DROPFRAME, "DROPFRAME" }, \
51 { V4L2_TC_FLAG_COLORFRAME, "COLORFRAME" }, \
52 { V4L2_TC_USERBITS_USERDEFINED, "USERBITS_USERDEFINED" }, \
53 { V4L2_TC_USERBITS_8BITCHARS, "USERBITS_8BITCHARS" })
55 #define LTTNG_TRACEPOINT_EVENT_V4L2(event_name) \
56 LTTNG_TRACEPOINT_EVENT(event_name, \
57 TP_PROTO(int minor, struct v4l2_buffer *buf), \
59 TP_ARGS(minor, buf), \
65 __field(u32, bytesused) \
68 __field(s64, timestamp) \
69 __field(u32, timecode_type) \
70 __field(u32, timecode_flags) \
71 __field(u8, timecode_frames) \
72 __field(u8, timecode_seconds) \
73 __field(u8, timecode_minutes) \
74 __field(u8, timecode_hours) \
75 __field(u8, timecode_userbits0) \
76 __field(u8, timecode_userbits1) \
77 __field(u8, timecode_userbits2) \
78 __field(u8, timecode_userbits3) \
79 __field(u32, sequence) \
83 tp_assign(minor, minor); \
84 tp_assign(index, buf->index); \
85 tp_assign(type, buf->type); \
86 tp_assign(bytesused, buf->bytesused); \
87 tp_assign(flags, buf->flags); \
88 tp_assign(field, buf->field); \
89 tp_assign(timestamp, \
90 timeval_to_ns(&buf->timestamp)); \
91 tp_assign(timecode_type, buf->timecode.type); \
92 tp_assign(timecode_flags, buf->timecode.flags); \
93 tp_assign(timecode_frames, \
94 buf->timecode.frames); \
95 tp_assign(timecode_seconds, \
96 buf->timecode.seconds); \
97 tp_assign(timecode_minutes, \
98 buf->timecode.minutes); \
99 tp_assign(timecode_hours, buf->timecode.hours); \
100 tp_assign(timecode_userbits0, \
101 buf->timecode.userbits[0]); \
102 tp_assign(timecode_userbits1, \
103 buf->timecode.userbits[1]); \
104 tp_assign(timecode_userbits2, \
105 buf->timecode.userbits[2]); \
106 tp_assign(timecode_userbits3, \
107 buf->timecode.userbits[3]); \
108 tp_assign(sequence, buf->sequence); \
111 TP_printk("minor = %d, index = %u, type = %s, " \
112 "bytesused = %u, flags = %s, " \
113 "field = %s, timestamp = %llu, timecode = { " \
114 "type = %s, flags = %s, frames = %u, " \
115 "seconds = %u, minutes = %u, hours = %u, " \
116 "userbits = { %u %u %u %u } }, " \
117 "sequence = %u", __entry->minor, \
118 __entry->index, show_type(__entry->type), \
119 __entry->bytesused, \
120 show_flags(__entry->flags), \
121 show_field(__entry->field), \
122 __entry->timestamp, \
123 show_timecode_type(__entry->timecode_type), \
124 show_timecode_flags(__entry->timecode_flags), \
125 __entry->timecode_frames, \
126 __entry->timecode_seconds, \
127 __entry->timecode_minutes, \
128 __entry->timecode_hours, \
129 __entry->timecode_userbits0, \
130 __entry->timecode_userbits1, \
131 __entry->timecode_userbits2, \
132 __entry->timecode_userbits3, \
137 LTTNG_TRACEPOINT_EVENT_V4L2(v4l2_dqbuf
)
138 LTTNG_TRACEPOINT_EVENT_V4L2(v4l2_qbuf
)
140 #endif /* if !defined(LTTNG_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ) */
142 /* This part must be outside protection */
143 #include "../../../probes/define_trace.h"
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