xref: /linux/include/trace/events/pwc.h (revision 95444b9eeb8c5c0330563931d70c61ca3b101548)
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);
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);
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