device: 0.619
TCG: 0.554
risc-v: 0.484
PID: 0.479
VMM: 0.468
KVM: 0.397
ppc: 0.394
boot: 0.361
vnc: 0.353
register: 0.302
performance: 0.299
x86: 0.277
kernel: 0.237
i386: 0.231
hypervisor: 0.187
arm: 0.124
mistranslation: 0.078
graphic: 0.076
debug: 0.072
socket: 0.063
permissions: 0.057
architecture: 0.017
assembly: 0.010
semantic: 0.007
peripherals: 0.003
files: 0.003
network: 0.002
virtual: 0.001
user-level: 0.001

hardware-based time keeping