diff options
Diffstat (limited to 'include/trace/events/v4l2.h')
| -rw-r--r-- | include/trace/events/v4l2.h | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/include/trace/events/v4l2.h b/include/trace/events/v4l2.h new file mode 100644 index 000000000..83860de12 --- /dev/null +++ b/include/trace/events/v4l2.h @@ -0,0 +1,268 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#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> +#include <media/videobuf2-v4l2.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" ) \ + EM( V4L2_BUF_TYPE_SDR_OUTPUT, "SDR_OUTPUT" ) \ + EM( V4L2_BUF_TYPE_META_CAPTURE, "META_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" }) + +DECLARE_EVENT_CLASS(v4l2_event_class, + 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 + ) +) + +DEFINE_EVENT(v4l2_event_class, v4l2_dqbuf, + TP_PROTO(int minor, struct v4l2_buffer *buf), + TP_ARGS(minor, buf) +); + +DEFINE_EVENT(v4l2_event_class, v4l2_qbuf, + TP_PROTO(int minor, struct v4l2_buffer *buf), + TP_ARGS(minor, buf) +); + +DECLARE_EVENT_CLASS(vb2_v4l2_event_class, + TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb), + TP_ARGS(q, vb), + + TP_STRUCT__entry( + __field(int, minor) + __field(u32, flags) + __field(u32, field) + __field(u64, 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( + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct v4l2_fh *owner = q->owner; + + __entry->minor = owner ? owner->vdev->minor : -1; + __entry->flags = vbuf->flags; + __entry->field = vbuf->field; + __entry->timestamp = vb->timestamp; + __entry->timecode_type = vbuf->timecode.type; + __entry->timecode_flags = vbuf->timecode.flags; + __entry->timecode_frames = vbuf->timecode.frames; + __entry->timecode_seconds = vbuf->timecode.seconds; + __entry->timecode_minutes = vbuf->timecode.minutes; + __entry->timecode_hours = vbuf->timecode.hours; + __entry->timecode_userbits0 = vbuf->timecode.userbits[0]; + __entry->timecode_userbits1 = vbuf->timecode.userbits[1]; + __entry->timecode_userbits2 = vbuf->timecode.userbits[2]; + __entry->timecode_userbits3 = vbuf->timecode.userbits[3]; + __entry->sequence = vbuf->sequence; + ), + + TP_printk("minor=%d 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, + 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 + ) +) + +DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_buf_done, + TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb), + TP_ARGS(q, vb) +); + +DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_buf_queue, + TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb), + TP_ARGS(q, vb) +); + +DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_dqbuf, + TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb), + TP_ARGS(q, vb) +); + +DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_qbuf, + TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb), + TP_ARGS(q, vb) +); + +#endif /* if !defined(_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ) */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |