linux/include/trace/events/pwc.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2#if !defined(_TRACE_PWC_H) || defined(TRACE_HEADER_MULTI_READ)
   3#define _TRACE_PWC_H
   4
   5#include <linux/usb.h>
   6#include <linux/tracepoint.h>
   7
   8#undef TRACE_SYSTEM
   9#define TRACE_SYSTEM pwc
  10
  11TRACE_EVENT(pwc_handler_enter,
  12        TP_PROTO(struct urb *urb, struct pwc_device *pdev),
  13        TP_ARGS(urb, pdev),
  14        TP_STRUCT__entry(
  15                __field(struct urb*, urb)
  16                __field(struct pwc_frame_buf*, fbuf)
  17                __field(int, urb__status)
  18                __field(u32, urb__actual_length)
  19                __field(int, fbuf__filled)
  20                __string(name, pdev->v4l2_dev.name)
  21        ),
  22        TP_fast_assign(
  23                __entry->urb = urb;
  24                __entry->fbuf = pdev->fill_buf;
  25                __entry->urb__status = urb->status;
  26                __entry->urb__actual_length = urb->actual_length;
  27                __entry->fbuf__filled = (pdev->fill_buf
  28                                         ? pdev->fill_buf->filled : 0);
  29                __assign_str(name, pdev->v4l2_dev.name);
  30        ),
  31        TP_printk("dev=%s (fbuf=%p filled=%d) urb=%p (status=%d actual_length=%u)",
  32                __get_str(name),
  33                __entry->fbuf,
  34                __entry->fbuf__filled,
  35                __entry->urb,
  36                __entry->urb__status,
  37                __entry->urb__actual_length)
  38);
  39
  40TRACE_EVENT(pwc_handler_exit,
  41        TP_PROTO(struct urb *urb, struct pwc_device *pdev),
  42        TP_ARGS(urb, pdev),
  43        TP_STRUCT__entry(
  44                __field(struct urb*, urb)
  45                __field(struct pwc_frame_buf*, fbuf)
  46                __field(int, fbuf__filled)
  47                __string(name, pdev->v4l2_dev.name)
  48        ),
  49        TP_fast_assign(
  50                __entry->urb = urb;
  51                __entry->fbuf = pdev->fill_buf;
  52                __entry->fbuf__filled = pdev->fill_buf->filled;
  53                __assign_str(name, pdev->v4l2_dev.name);
  54        ),
  55        TP_printk(" dev=%s (fbuf=%p filled=%d) urb=%p",
  56                __get_str(name),
  57                __entry->fbuf,
  58                __entry->fbuf__filled,
  59                __entry->urb)
  60);
  61
  62#endif /* _TRACE_PWC_H */
  63
  64/* This part must be outside protection */
  65#include <trace/define_trace.h>
  66