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systool

View system device information by bus, and classes. This command is part of the sysfs package. More information: https://github.com/linux-ras/sysfsutils.

List all attributes of devices of a bus (eg. pci, usb). View all buses using ls /sys/bus:

systool -b {{bus}} -v

List all attributes of a class of devices (eg. drm, block). View all classes using ls /sys/class:

systool -c {{class}} -v

Show only device drivers of a bus (eg. pci, usb):

systool -b {{bus}} -D