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> |
66 | |