mistranslation: 0.771
semantic: 0.669
device: 0.655
architecture: 0.535
graphic: 0.355
network: 0.348
ppc: 0.327
performance: 0.313
PID: 0.301
VMM: 0.284
boot: 0.258
i386: 0.241
virtual: 0.231
arm: 0.214
vnc: 0.210
socket: 0.205
peripherals: 0.187
debug: 0.182
x86: 0.172
user-level: 0.163
hypervisor: 0.160
KVM: 0.154
risc-v: 0.137
kernel: 0.130
TCG: 0.123
permissions: 0.099
register: 0.082
assembly: 0.067
files: 0.029

rename snapshot by qemu-img
Additional information:
I have no idea to rename a snapshot which created by `qemu-img snapshot -c`, I think it is a useful function