//sys/devices/pci0000:00/0000:00:18.4/driver/0000:00:17.0/driver/0000:00:16.4/driver/0000:00:17.7/subsystem/devices/0000:00:18.2/driver/0000:00:16.3/driver/0000:00:15.6/subsystem/devices/0000:00:07.3/local_cpus