device: 0.851
performance: 0.735
VMM: 0.694
risc-v: 0.684
vnc: 0.657
graphic: 0.641
boot: 0.577
PID: 0.572
TCG: 0.564
debug: 0.536
network: 0.536
arm: 0.493
ppc: 0.441
KVM: 0.427
mistranslation: 0.413
kernel: 0.393
architecture: 0.351
i386: 0.338
peripherals: 0.315
x86: 0.314
socket: 0.290
files: 0.269
virtual: 0.193
semantic: 0.192
hypervisor: 0.192
permissions: 0.192
register: 0.173
user-level: 0.139
assembly: 0.073

hot to dump bitmap to disk