device: 0.711
network: 0.383
semantic: 0.344
performance: 0.323
other: 0.179
graphic: 0.178
socket: 0.173
boot: 0.163
vnc: 0.081
files: 0.068
PID: 0.052
debug: 0.037
permissions: 0.007
KVM: 0.001

Avoid using error_setg(&error_fatal, ...)  in the QEMU sources