mistranslation: 0.586
semantic: 0.509
x86: 0.474
i386: 0.430
graphic: 0.409
performance: 0.344
user-level: 0.127
KVM: 0.110
ppc: 0.102
boot: 0.101
debug: 0.084
arm: 0.081
VMM: 0.070
risc-v: 0.063
assembly: 0.050
TCG: 0.048
vnc: 0.045
architecture: 0.039
virtual: 0.036
permissions: 0.035
kernel: 0.020
PID: 0.016
socket: 0.015
device: 0.015
hypervisor: 0.010
register: 0.009
peripherals: 0.005
network: 0.004
files: 0.002

-cpu <whatever>,help should print the options available for that CPU type