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Daniel Hodges a86e62aa21 scx_layered: Use PROG_RUN to update cpumasks 
Use bpf PROG_RUN from userspace for updating cpumask for rather than
relying on scheduler ticks. This should be a lower overhead approach in
that an extra bpf program does not need to be called on every CPU during
tick.

Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
2024-11-20 14:32:31 -08:00
..
c factor enum handling into existing headers/operations 2024-11-06 07:03:40 -08:00
include fix missing/extraneous newline 2024-11-06 12:52:10 -08:00
rust scx_layered: Use PROG_RUN to update cpumasks 2024-11-20 14:32:31 -08:00
meson.build Use per-arch vmlinux.h v2 2024-10-19 10:50:59 -07:00
README.md Restructure scheds folder names 2023-12-17 13:14:31 -08:00
sync-to-kernel.sh sync-to-kernel.sh: Sync scx_central and scx_flatcg 2024-02-23 14:21:03 -10:00

README.md

SCHED_EXT SCHEDULERS

Introduction

This directory contains the repo's schedulers.

Some of these schedulers are simply examples of different types of schedulers that can be built using sched_ext. They can be loaded and used to schedule on your system, but their primary purpose is to illustrate how various features of sched_ext can be used.

Other schedulers are actually performant, production-ready schedulers. That is, for the correct workload and with the correct tuning, they may be deployed in a production environment with acceptable or possibly even improved performance. Some of the examples could be improved to become production schedulers.

Please see the following README files for details on each of the various types of schedulers:

  • rust describes all of the schedulers with rust user space components. All of these schedulers are production ready.
  • c describes all of the schedulers with C user space components. All of these schedulers are production ready.

Note on syncing

Note that there is a sync-to-kernel.sh script in this directory. This is used to sync any changes to the specific schedulers with the Linux kernel tree. If you've made any changes to a scheduler in please use the script to synchronize with the sched_ext Linux kernel tree:

$ ./sync-to-kernel.sh /path/to/kernel/tree