Writing Production Ready Schedulers using Sched Ext

In this talk, Jake and Pat will provide a brief user oriented overview of Sched Ext. They will then go over how to use the Sched Ext primitives discussed to author a production ready scheduler, covering interesting challenges, concepts and solutions involved they have come across while working on multiple such schedulers here: https://github.com/sched-ext/scx .

Some of the specifics covered will be:

• What Sched Ext provides to simplify writing schedulers.

• How to keep Dev Exp workable.

• CI and Testing.

• Debugging your scheduler.

• Preventing starvation while still enabling prioritization of workloads.

• Dealing with complex topologies (i.e. multi-socket, multi-LLU, multi-GPU).