device: 0.801
graphic: 0.552
mistranslation: 0.545
network: 0.514
semantic: 0.450
instruction: 0.333
other: 0.279
assembly: 0.218
boot: 0.204
socket: 0.135
vnc: 0.049
KVM: 0.004

please make qemu-img capable of using with pipes