View system device information by bus, and classes. This command is part of the
sysfspackage. More information: https://github.com/linux-ras/sysfsutils.
pci, usb). View all buses using ls /sys/bus:systool -b bus -v
drm, block). View all classes using ls /sys/class:systool -c class -v
pci, usb):systool -b bus -D