As previously mentioned usbmon can be accessed via packet debug tools like Tcpdump, and Wireshark. However, there is also a user space command line tool to access the URB information. See below:

○ URB Address
○ Timestamp
○ USB Event Type
○ Transfer Direction:Bus Number:Device
○ Endpoint Number
○ URB Status


usbmon out



Image Reference: http://elinux.

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