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scx/scheds/rust/scx_rlfifo
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Andrea Righi cb16a11342 scx_rustland_core: get rid of the global scheduler's slice_us 
Since scx_rustland_core enables setting a time slice on a per-task basis
during task dispatch, there's no need to maintain a global time slice in
the BPF component. Instead, a global time slice can simply be managed in
user-space, achieving the same outcome.

Therefore, drop the global slice_us property from BpfScheduler to
simplify the API.

NOTE: if a time slice is not specified for a task, SCX_SLICE_DFL will be
used by default.

Signed-off-by: Andrea Righi <andrea.righi@linux.dev>
2024-08-25 09:45:18 +02:00
..
src scx_rustland_core: get rid of the global scheduler's slice_us 2024-08-25 09:45:18 +02:00
.gitignore scheds/rust: Include Cargo.lock in the repo 2024-08-15 23:08:35 -10:00
build.rs scx_rustland_core: introduce RustLandBuilder() 2024-02-28 17:49:44 +01:00
Cargo.lock scx_rlfifo: update Cargo.lock 2024-08-24 20:24:48 +02:00
Cargo.toml Version: v1.0.3 2024-08-21 06:42:11 -10:00
LICENSE scx_rlfifo: simple user-space FIFO scheduler written in Rust 2024-02-28 17:49:44 +01:00
meson.build meson: introduce serialize build option 2024-06-28 10:17:37 +02:00
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.