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# usb-debug-utils: extra scripts to help debug and test usb
Extra tools and scripts used when debugging and testing USB.
- `usb_debug_utils.sh` will
- mount `debugfs`
- will install `usbmon` driver
- will enable some dynamic debug messages
- start a `tcpdump` process on each `usbmon` interface
- `usb_compliance_utils.sh` will
- install the `lvstest` driver and bind to a USB 3.0 root hub
- enter and exit U3 link state
- send GetDescriptor data packets