sched_ext
With the deployment of
sched-ext, which allows loading CPU schedulers from user space, there has been a surge in creative scheduling ideashow the ability to load a CPU scheduler from user space as a set of BPF programs has unleashed a great deal of creativity
Extensible Scheduler Class — The Linux Kernel documentation
sched_ext is a scheduler class whose behavior can be defined by a set of BPF
programs - the BPF scheduler.
https://www.kernel.org/doc/html/next/scheduler/sched-ext.html
Some things to expect in 2025 [LWN.net]
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Seonglae Cho