On Mon, Jun 06, 2022 at 05:59:32PM +0200, Michał Zegan <webczat@xxxxxxxxxxx> wrote: > I assume if it would be on it would break any and all realtime > usage...? Most likely (you'd not be able either: turn on RT policy, migrate the process or enable CPU controller, i.e. a step that'd lead to an invalid state). I'm curious, what would be your use case for turning RT group schedulling on? Thanks, Michal