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 000000000..a2da764a3
--- /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>