include/trace/events/pwc.h

   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
  11 TRACE_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
  40 TRACE_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>