The system doesn't have to detect it the processes themselves are able to describe this: https://manpages.ubuntu.com/manpages/trusty/en/man2/rtprio.2freebsd.htm

The system doesn't have to detect it the processes themselves are able to describe this: https://manpages.ubuntu.com/manpages/trusty/en/man2/rtprio.2freebsd.html https://manpages.ubuntu.com/manpages/trusty/en/man2/rtprio.2... Even with that available, scheduling things optionally is not easy. You always sacrifice latency for throughput (or the other way around). Any gains across the board we keep getting in the base kernel from time to time.