performance: 0.917
files: 0.880
device: 0.846
network: 0.711
semantic: 0.433
permissions: 0.410
graphic: 0.386
PID: 0.350
other: 0.347
boot: 0.312
debug: 0.245
socket: 0.225
KVM: 0.193
vnc: 0.180

tar can only read 4096 bytes from some files on 9p