user-level: 0.948
device: 0.912
mistranslation: 0.873
network: 0.661
semantic: 0.640
performance: 0.508
virtual: 0.444
hypervisor: 0.419
permissions: 0.375
boot: 0.301
architecture: 0.284
arm: 0.243
vnc: 0.217
graphic: 0.202
register: 0.195
socket: 0.165
peripherals: 0.158
assembly: 0.147
ppc: 0.144
debug: 0.131
i386: 0.101
files: 0.098
kernel: 0.091
risc-v: 0.061
VMM: 0.033
TCG: 0.030
PID: 0.026
x86: 0.018
KVM: 0.018
--------------------
user-level: 0.996
virtual: 0.946
permissions: 0.157
network: 0.027
device: 0.026
semantic: 0.024
hypervisor: 0.017
files: 0.015
x86: 0.015
assembly: 0.006
kernel: 0.004
peripherals: 0.003
performance: 0.003
i386: 0.003
arm: 0.003
debug: 0.003
boot: 0.002
VMM: 0.002
mistranslation: 0.002
socket: 0.001
architecture: 0.001
ppc: 0.001
PID: 0.001
TCG: 0.001
graphic: 0.001
risc-v: 0.001
vnc: 0.000
KVM: 0.000
register: 0.000

QEMU-user ignores MADV_DONTNEED