user-level: 0.698
virtual: 0.602
mistranslation: 0.585
device: 0.412
debug: 0.408
performance: 0.373
arm: 0.285
semantic: 0.282
architecture: 0.279
peripherals: 0.274
permissions: 0.228
PID: 0.220
graphic: 0.213
network: 0.201
vnc: 0.161
ppc: 0.158
socket: 0.154
VMM: 0.137
files: 0.124
hypervisor: 0.124
register: 0.124
risc-v: 0.108
TCG: 0.105
boot: 0.093
i386: 0.077
x86: 0.050
assembly: 0.031
kernel: 0.024
KVM: 0.020

Function not implemented when using libaio