The Performance Cost To SELinux On Fedora 31

Following the recent AppArmor performance regression in Linux 5.5 (since resolved), some Phoronix readers had requested tests out of curiosity in looking at the performance impact of Fedora's decision to utilize SELinux by default. Here is how the Fedora Workstation 31 performance compares out-of-the-box with SELinux to disabling it.