scx/scheds
Tejun Heo 152a8471cc scx_bpfland: When reporting stats, use interval deltas
Three of the reported stats are cumulative. While they obviously can be
processed into delta values, that holds for the other direction too and the
cumulative values are difficult to make intutive sense of. Report interval
delta values instead.

Note that a stats client can reliably build back cumulative values even
under heavy system contention - the delta values reported between two
consecutive reads are guaranteed to be correct regardless of the duration of
the interval.
2024-08-24 23:14:57 -10:00
..
c Update to vmlinux-v6.10-rc2-g1edab907b57d.h 2024-07-12 11:13:34 -10:00
include Update to vmlinux-v6.10-rc2-g1edab907b57d.h 2024-07-12 11:13:34 -10:00
rust scx_bpfland: When reporting stats, use interval deltas 2024-08-24 23:14:57 -10:00
meson.build Restructure scheds folder names 2023-12-17 13:14:31 -08:00
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

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