Linux USB Debugging

ASCII Capture

mount -t debugfs none_debugs /sys/kernel/debug
modprobe usbmon
ls -l /sys/kernel/debug/usb/usbmon
cat /sys/kernel/debug/usbmon/1u >/tmp/usbmon.mon
vbus-analyzer usbmon.mon

Miscellaneous Links

• Linux Kernel USB Debugging
• USB Debugging and Profiling Techniques