performance: 0.895
device: 0.870
network: 0.765
vnc: 0.625
boot: 0.473
files: 0.444
PID: 0.435
socket: 0.324
permissions: 0.311
KVM: 0.301
semantic: 0.258
graphic: 0.255
debug: 0.063
other: 0.055

optimize nvme_directive_receive() function