performance: 0.769
device: 0.648
ppc: 0.625
VMM: 0.505
risc-v: 0.464
vnc: 0.456
TCG: 0.358
graphic: 0.349
network: 0.271
semantic: 0.250
PID: 0.239
x86: 0.232
arm: 0.229
kernel: 0.197
mistranslation: 0.192
i386: 0.191
hypervisor: 0.164
KVM: 0.148
virtual: 0.127
boot: 0.117
register: 0.107
permissions: 0.104
debug: 0.093
files: 0.089
architecture: 0.074
socket: 0.042
user-level: 0.041
assembly: 0.012
peripherals: 0.004

guest migration 100% cpu freeze bug