trace/events/pwc.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #if !defined(_TRACE_PWC_H) || defined(TRACE_HEADER_MULTI_READ)
0003 #define _TRACE_PWC_H
0004
0005 #include <linux/usb.h>
0006 #include <linux/tracepoint.h>
0007
0008 #undef TRACE_SYSTEM
0009 #define TRACE_SYSTEM pwc
0010
0011 TRACE_EVENT(pwc_handler_enter,
0012     TP_PROTO(struct urb *urb, struct pwc_device *pdev),
0013     TP_ARGS(urb, pdev),
0014     TP_STRUCT__entry(
0015         __field(struct urb*, urb)
0016         __field(struct pwc_frame_buf*, fbuf)
0017         __field(int, urb__status)
0018         __field(u32, urb__actual_length)
0019         __field(int, fbuf__filled)
0020         __string(name, pdev->v4l2_dev.name)
0021     ),
0022     TP_fast_assign(
0023         __entry->urb = urb;
0024         __entry->fbuf = pdev->fill_buf;
0025         __entry->urb__status = urb->status;
0026         __entry->urb__actual_length = urb->actual_length;
0027         __entry->fbuf__filled = (pdev->fill_buf
0028                      ? pdev->fill_buf->filled : 0);
0029         __assign_str(name, pdev->v4l2_dev.name);
0030     ),
0031     TP_printk("dev=%s (fbuf=%p filled=%d) urb=%p (status=%d actual_length=%u)",
0032         __get_str(name),
0033         __entry->fbuf,
0034         __entry->fbuf__filled,
0035         __entry->urb,
0036         __entry->urb__status,
0037         __entry->urb__actual_length)
0038 );
0039
0040 TRACE_EVENT(pwc_handler_exit,
0041     TP_PROTO(struct urb *urb, struct pwc_device *pdev),
0042     TP_ARGS(urb, pdev),
0043     TP_STRUCT__entry(
0044         __field(struct urb*, urb)
0045         __field(struct pwc_frame_buf*, fbuf)
0046         __field(int, fbuf__filled)
0047         __string(name, pdev->v4l2_dev.name)
0048     ),
0049     TP_fast_assign(
0050         __entry->urb = urb;
0051         __entry->fbuf = pdev->fill_buf;
0052         __entry->fbuf__filled = pdev->fill_buf->filled;
0053         __assign_str(name, pdev->v4l2_dev.name);
0054     ),
0055     TP_printk(" dev=%s (fbuf=%p filled=%d) urb=%p",
0056         __get_str(name),
0057         __entry->fbuf,
0058         __entry->fbuf__filled,
0059         __entry->urb)
0060 );
0061
0062 #endif /* _TRACE_PWC_H */
0063
0064 /* This part must be outside protection */
0065 #include <trace/define_trace.h>