View system device information by bus, and classes. This command is part of the
sysfs
package. 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