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scx-upstream/scheds/rust/scx_rlfifo
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Andrea Righi e23426e299 scx_rustland_core: introduce method bpf.update_tasks() 
Introduce a helper function to update the counter of queued and
scheduled tasks (used to notify the BPF component if the user-space
scheduler has still some pending work to do).

Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
2024-02-28 17:49:44 +01:00
..
src scx_rustland_core: introduce method bpf.update_tasks() 2024-02-28 17:49:44 +01:00
.gitignore scx_rlfifo: simple user-space FIFO scheduler written in Rust 2024-02-28 17:49:44 +01:00
build.rs scx_rlfifo: simple user-space FIFO scheduler written in Rust 2024-02-28 17:49:44 +01:00
Cargo.toml scx_rlfifo: simple user-space FIFO scheduler written in Rust 2024-02-28 17:49:44 +01:00
LICENSE scx_rlfifo: simple user-space FIFO scheduler written in Rust 2024-02-28 17:49:44 +01:00
meson.build scx_rlfifo: simple user-space FIFO scheduler written in Rust 2024-02-28 17:49:44 +01:00
README.md scx_rlfifo: simple user-space FIFO scheduler written in Rust 2024-02-28 17:49:44 +01:00
rustfmt.toml scx_rlfifo: simple user-space FIFO scheduler written in Rust 2024-02-28 17:49:44 +01:00

README.md

scx_rlfifo

This is a single user-defined scheduler used within sched_ext, which is a Linux kernel feature which enables implementing kernel thread schedulers in BPF and dynamically loading them. Read more about sched_ext.

Overview

scx_rlfifo is a simple FIFO scheduler runs in user-space, based on the scx_rustland_core framework.

Typical Use Case

This scheduler is provided as a simple template that can be used as a baseline to test more complex scheduling policies.

Production Ready?

Definitely not. Using this scheduler in a production environment is not recommended, unless there are specific requirements that necessitate a basic FIFO scheduling approach. Even then, it's still recommended to use the kernel's SCHED_FIFO real-time class.