Signed-off-by: Gerd Hoffmann <kra...@redhat.com> Message-Id: <20220711094437.3995927-3-kra...@redhat.com> Signed-off-by: Gerd Hoffmann <kra...@redhat.com> --- docs/system/devices/usb.rst | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/docs/system/devices/usb.rst b/docs/system/devices/usb.rst index 18e7c8b4d716..f39a88f080ff 100644 --- a/docs/system/devices/usb.rst +++ b/docs/system/devices/usb.rst @@ -382,3 +382,15 @@ What works best pretty much depends on the behavior of the specific usb device at hand, so it's a trial-and-error game. If the default doesn't work, try another option and see whenever the situation improves. + +record usb transfers +^^^^^^^^^^^^^^^^^^^^ + +All usb devices have support for recording the usb traffic. This can +be enabled using the ``pcap=<file>`` property, for example: + +``-device usb-mouse,pcap=mouse.pcap`` + +The pcap files are compatible with the linux kernels usbmon. Many +tools, including ``wireshark``, can decode and inspect these trace +files. -- 2.36.1
