performance: 0.848
device: 0.827
network: 0.755
socket: 0.626
vnc: 0.551
graphic: 0.496
boot: 0.493
semantic: 0.369
other: 0.352
debug: 0.329
KVM: 0.320
permissions: 0.293
PID: 0.227
files: 0.212

Replace DMA processing in I/O handlers by asynchronous BH