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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 | ||
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); | |
2c92ca84 | 29 | __assign_str(name); |
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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; | |
2c92ca84 | 53 | __assign_str(name); |
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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> |