It is very difficult to troubleshoot this performance problem without usb mon trace, so could you provide the trace result according to the guide in Documentation/usb/usbmon.txt or the link[1]?
[1], http://www.mjmwired.net/kernel/Documentation/usb/usbmon.txt
thanks, -- Ming Lei
It is very difficult to troubleshoot this performance problem without usb/usbmon. txt or the link[1]?
usb mon trace, so could you provide the trace result according to
the guide in Documentation/
[1], http:// www.mjmwired. net/kernel/ Documentation/ usb/usbmon. txt
thanks,
--
Ming Lei