performance: 0.636
device: 0.585
VMM: 0.437
risc-v: 0.437
graphic: 0.383
boot: 0.379
TCG: 0.356
vnc: 0.348
ppc: 0.330
debug: 0.310
PID: 0.277
arm: 0.276
network: 0.236
x86: 0.222
files: 0.209
KVM: 0.189
register: 0.147
i386: 0.138
semantic: 0.115
peripherals: 0.106
architecture: 0.105
virtual: 0.093
kernel: 0.088
permissions: 0.074
hypervisor: 0.072
mistranslation: 0.065
socket: 0.039
assembly: 0.007
user-level: 0.003

6.1 Regression: machine pflash parsing