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kernel add
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#undef TRACE_SYSTEM
#define TRACE_SYSTEM vb2
#if !defined(_TRACE_VB2_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_VB2_H
#include <linux/tracepoint.h>
#include <media/videobuf2-core.h>
DECLARE_EVENT_CLASS(vb2_event_class,
TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
TP_ARGS(q, vb),
TP_STRUCT__entry(
__field(void *, owner)
__field(u32, queued_count)
__field(int, owned_by_drv_count)
__field(u32, index)
__field(u32, type)
__field(u32, bytesused)
),
TP_fast_assign(
__entry->owner = q->owner;
__entry->queued_count = q->queued_count;
__entry->owned_by_drv_count =
atomic_read(&q->owned_by_drv_count);
__entry->index = vb->index;
__entry->type = vb->type;
__entry->bytesused = vb->planes[0].bytesused;
),
TP_printk("owner = %p, queued = %u, owned_by_drv = %d, index = %u, "
"type = %u, bytesused = %u", __entry->owner,
__entry->queued_count,
__entry->owned_by_drv_count,
__entry->index, __entry->type,
__entry->bytesused
)
)
DEFINE_EVENT(vb2_event_class, vb2_buf_done,
TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
TP_ARGS(q, vb)
);
DEFINE_EVENT(vb2_event_class, vb2_buf_queue,
TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
TP_ARGS(q, vb)
);
DEFINE_EVENT(vb2_event_class, vb2_dqbuf,
TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
TP_ARGS(q, vb)
);
DEFINE_EVENT(vb2_event_class, vb2_qbuf,
TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
TP_ARGS(q, vb)
);
#endif /* if !defined(_TRACE_VB2_H) || defined(TRACE_HEADER_MULTI_READ) */
/* This part must be outside protection */
#include <trace/define_trace.h>
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