device: 0.766
peripherals: 0.651
performance: 0.591
architecture: 0.588
debug: 0.510
VMM: 0.444
arm: 0.417
risc-v: 0.383
socket: 0.349
graphic: 0.348
PID: 0.339
x86: 0.335
kernel: 0.323
hypervisor: 0.322
boot: 0.317
i386: 0.308
TCG: 0.305
ppc: 0.299
vnc: 0.236
register: 0.232
KVM: 0.208
semantic: 0.197
mistranslation: 0.196
permissions: 0.131
network: 0.087
virtual: 0.044
assembly: 0.029
user-level: 0.024
files: 0.011

memory writes via gdb don't work for memory mapped hardware