The Performance Cost To SELinux On Fedora 31

    Date20 Jan 2020
    535
    Posted ByBrittany Day
    LS Hmepg 337x500 1

    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.

    By default Fedora runs with SELinux enabled in an enforcing and targeted mode. But by booting with selinux=0 as a kernel parameter or editing /etc/selinux/config it's possible to outright disable the Security Enhanced Linux functionality or change its operating mode.

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