device: 0.802
performance: 0.792
network: 0.672
semantic: 0.592
debug: 0.497
permissions: 0.423
graphic: 0.383
other: 0.350
socket: 0.313
PID: 0.261
boot: 0.251
vnc: 0.118
files: 0.115
KVM: 0.002

Giving -smp option a negative argument makes QEMU dump core