root/include/trace/events/v4l2.h

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#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>

#define show_type(type)                                                        \
        __print_symbolic(type,                                                 \
                { V4L2_BUF_TYPE_VIDEO_CAPTURE,        "VIDEO_CAPTURE" },       \
                { V4L2_BUF_TYPE_VIDEO_OUTPUT,         "VIDEO_OUTPUT" },        \
                { V4L2_BUF_TYPE_VIDEO_OVERLAY,        "VIDEO_OVERLAY" },       \
                { V4L2_BUF_TYPE_VBI_CAPTURE,          "VBI_CAPTURE" },         \
                { V4L2_BUF_TYPE_VBI_OUTPUT,           "VBI_OUTPUT" },          \
                { V4L2_BUF_TYPE_SLICED_VBI_CAPTURE,   "SLICED_VBI_CAPTURE" },  \
                { V4L2_BUF_TYPE_SLICED_VBI_OUTPUT,    "SLICED_VBI_OUTPUT" },   \
                { V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY, "VIDEO_OUTPUT_OVERLAY" },\
                { V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, "VIDEO_CAPTURE_MPLANE" },\
                { V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,  "VIDEO_OUTPUT_MPLANE" }, \
                { V4L2_BUF_TYPE_SDR_CAPTURE,          "SDR_CAPTURE" },         \
                { V4L2_BUF_TYPE_PRIVATE,              "PRIVATE" })

#define show_field(field)                                               \
        __print_symbolic(field,                                         \
                { V4L2_FIELD_ANY,               "ANY" },                \
                { V4L2_FIELD_NONE,              "NONE" },               \
                { V4L2_FIELD_TOP,               "TOP" },                \
                { V4L2_FIELD_BOTTOM,            "BOTTOM" },             \
                { V4L2_FIELD_INTERLACED,        "INTERLACED" },         \
                { V4L2_FIELD_SEQ_TB,            "SEQ_TB" },             \
                { V4L2_FIELD_SEQ_BT,            "SEQ_BT" },             \
                { V4L2_FIELD_ALTERNATE,         "ALTERNATE" },          \
                { V4L2_FIELD_INTERLACED_TB,     "INTERLACED_TB" },      \
                { V4L2_FIELD_INTERLACED_BT,     "INTERLACED_BT" })

#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" })

#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>

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