summaryrefslogtreecommitdiffstats
path: root/include/trace/events/pwc.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/trace/events/pwc.h')
-rw-r--r--include/trace/events/pwc.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/include/trace/events/pwc.h b/include/trace/events/pwc.h
new file mode 100644
index 0000000000..a2da764a3b
--- /dev/null
+++ b/include/trace/events/pwc.h
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#if !defined(_TRACE_PWC_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_PWC_H
+
+#include <linux/usb.h>
+#include <linux/tracepoint.h>
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM pwc
+
+TRACE_EVENT(pwc_handler_enter,
+ TP_PROTO(struct urb *urb, struct pwc_device *pdev),
+ TP_ARGS(urb, pdev),
+ TP_STRUCT__entry(
+ __field(struct urb*, urb)
+ __field(struct pwc_frame_buf*, fbuf)
+ __field(int, urb__status)
+ __field(u32, urb__actual_length)
+ __field(int, fbuf__filled)
+ __string(name, pdev->v4l2_dev.name)
+ ),
+ TP_fast_assign(
+ __entry->urb = urb;
+ __entry->fbuf = pdev->fill_buf;
+ __entry->urb__status = urb->status;
+ __entry->urb__actual_length = urb->actual_length;
+ __entry->fbuf__filled = (pdev->fill_buf
+ ? pdev->fill_buf->filled : 0);
+ __assign_str(name, pdev->v4l2_dev.name);
+ ),
+ TP_printk("dev=%s (fbuf=%p filled=%d) urb=%p (status=%d actual_length=%u)",
+ __get_str(name),
+ __entry->fbuf,
+ __entry->fbuf__filled,
+ __entry->urb,
+ __entry->urb__status,
+ __entry->urb__actual_length)
+);
+
+TRACE_EVENT(pwc_handler_exit,
+ TP_PROTO(struct urb *urb, struct pwc_device *pdev),
+ TP_ARGS(urb, pdev),
+ TP_STRUCT__entry(
+ __field(struct urb*, urb)
+ __field(struct pwc_frame_buf*, fbuf)
+ __field(int, fbuf__filled)
+ __string(name, pdev->v4l2_dev.name)
+ ),
+ TP_fast_assign(
+ __entry->urb = urb;
+ __entry->fbuf = pdev->fill_buf;
+ __entry->fbuf__filled = pdev->fill_buf->filled;
+ __assign_str(name, pdev->v4l2_dev.name);
+ ),
+ TP_printk(" dev=%s (fbuf=%p filled=%d) urb=%p",
+ __get_str(name),
+ __entry->fbuf,
+ __entry->fbuf__filled,
+ __entry->urb)
+);
+
+#endif /* _TRACE_PWC_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>