Viewing file:  pwc.h (1.67 KB) -rw-r--r--
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/* SPDX-License-Identifier: GPL-2.0 */
#if !defined(_TRACE_PWC_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_PWC_H
#include <linux/usb.h>
#include <linux/tracepoint.h>
#undef TRACE_SYSTEM
#define TRACE_SYSTEM pwc
TRACE_EVENT(pwc_handler_enter,
TP_PROTO(struct urb *urb, struct pwc_device *pdev),
TP_ARGS(urb, pdev),
TP_STRUCT__entry(
__field(struct urb*, urb)
__field(struct pwc_frame_buf*, fbuf)
__field(int, urb__status)
__field(u32, urb__actual_length)
__field(int, fbuf__filled)
__string(name, pdev->v4l2_dev.name)
),
TP_fast_assign(
__entry->urb = urb;
__entry->fbuf = pdev->fill_buf;
__entry->urb__status = urb->status;
__entry->urb__actual_length = urb->actual_length;
__entry->fbuf__filled = (pdev->fill_buf
? pdev->fill_buf->filled : 0);
__assign_str(name, pdev->v4l2_dev.name);
),
TP_printk("dev=%s (fbuf=%p filled=%d) urb=%p (status=%d actual_length=%u)",
__get_str(name),
__entry->fbuf,
__entry->fbuf__filled,
__entry->urb,
__entry->urb__status,
__entry->urb__actual_length)
);
TRACE_EVENT(pwc_handler_exit,
TP_PROTO(struct urb *urb, struct pwc_device *pdev),
TP_ARGS(urb, pdev),
TP_STRUCT__entry(
__field(struct urb*, urb)
__field(struct pwc_frame_buf*, fbuf)
__field(int, fbuf__filled)
__string(name, pdev->v4l2_dev.name)
),
TP_fast_assign(
__entry->urb = urb;
__entry->fbuf = pdev->fill_buf;
__entry->fbuf__filled = pdev->fill_buf->filled;
__assign_str(name, pdev->v4l2_dev.name);
),
TP_printk(" dev=%s (fbuf=%p filled=%d) urb=%p",
__get_str(name),
__entry->fbuf,
__entry->fbuf__filled,
__entry->urb)
);
#endif /* _TRACE_PWC_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
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