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[Backport release-24.05]: scx: init at 1.0.5 #352327

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merged 4 commits into from
Oct 30, 2024

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JohnRTitor
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Backport of #351746 and #352077

Things done

  • Built on platform(s)
    • x86_64-linux
    • aarch64-linux
    • x86_64-darwin
    • aarch64-darwin
  • Tested, as applicable:
  • Tested compilation of all packages that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all changes have to be committed, also see nixpkgs-review usage
  • Tested basic functionality of all binary files (usually in ./result/bin/)
  • 24.11 Release Notes (or backporting 23.11 and 24.05 Release notes)
    • (Package updates) Added a release notes entry if the change is major or breaking
    • (Module updates) Added a release notes entry if the change is significant
    • (Module addition) Added a release notes entry if adding a new NixOS module
  • Fits CONTRIBUTING.md.

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sched_ext is a Linux kernel feature which enables implementing kernel thread schedulers in BPF and dynamically loading them.
This feature got merged in Linux 6.12, this PR adds rust and C userspace schedulers.
Homepage:- https://github.com/sched-ext/scx

With this following packages are now available:
scx.rustland
scx.rlfifo
scx.layered
scx.lavd
scx.bpfland
scx.csheds

(cherry picked from commit c42882f)
(cherry picked from commit b7edade)
(cherry picked from commit 29f813e)
This package combines the Rust and C based schedulers.
This is likely to be the default in the upcoming nixos module.

(cherry picked from commit e24aaf4)
@JohnRTitor
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@ofborg build scx.full

@06kellyjac
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Is there much point back-porting to 24.05 when 24.11 is fairly imminent?

@JohnRTitor
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Well since I made the PR already, and it's eligible for backporting. I suppose why not?

@JohnRTitor JohnRTitor merged commit f646dec into NixOS:release-24.05 Oct 30, 2024
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2 participants