device: 0.686
performance: 0.341
other: 0.335
network: 0.208
semantic: 0.198
boot: 0.104
KVM: 0.051
PID: 0.043
debug: 0.042
vnc: 0.032
graphic: 0.029
socket: 0.013
permissions: 0.010
files: 0.009

Documentation for mtdblock, option-rom, and pflash is non-existent