performance: 0.626
device: 0.559
semantic: 0.537
architecture: 0.534
user-level: 0.496
i386: 0.460
graphic: 0.376
x86: 0.354
mistranslation: 0.346
boot: 0.342
TCG: 0.306
arm: 0.284
permissions: 0.249
kernel: 0.236
ppc: 0.224
VMM: 0.218
virtual: 0.202
debug: 0.197
vnc: 0.163
risc-v: 0.153
PID: 0.135
KVM: 0.105
register: 0.074
hypervisor: 0.035
assembly: 0.019
network: 0.013
socket: 0.013
peripherals: 0.005
files: 0.005

Option to constrain linux-user exec() to emulated CPU only