device: 0.838
performance: 0.638
other: 0.598
network: 0.591
graphic: 0.501
semantic: 0.261
files: 0.257
debug: 0.244
boot: 0.211
permissions: 0.187
vnc: 0.078
socket: 0.066
PID: 0.050
KVM: 0.009

x86_64 cmpxchg behavior in qemu tcg does not match the real CPU