performance: 0.660
device: 0.515
network: 0.422
graphic: 0.370
permissions: 0.256
other: 0.255
boot: 0.175
semantic: 0.162
debug: 0.158
vnc: 0.126
files: 0.065
socket: 0.056
KVM: 0.054
PID: 0.044

linux-user mode can't handle guest setting a very small RLIMIT_AS (hangs running gnutls28, coreutils configure check code)