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Ansible role to install sched-ext/scx userspace schedulers
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Ananth Bhaskararaman dd11f01a3d
 sched-ext/scx ansiable role
2026-01-23 12:39:09 +05:30
defaults sched-ext/scx ansiable role 2026-01-23 12:39:09 +05:30
handlers sched-ext/scx ansiable role 2026-01-23 12:39:09 +05:30
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README.md sched-ext/scx ansiable role 2026-01-23 12:39:09 +05:30

README.md

ansible-role-scx

Ansible role to install and configure sched-ext schedulers.

Requirements

  • Linux kernel >= 6.12 with sched-ext support
  • Supported distros: Fedora 39+, Ubuntu Noble+, Debian Bookworm+, Arch Linux

Usage

- hosts: servers
  roles:
    - role: scx
      scx_scheduler: scx_rusty

Variables

Variable Default Description
scx_scheduler scx_rusty Scheduler to enable (scx_rusty, scx_lavd, scx_bpfland, etc.)
scx_install_method package Install via package or source
scx_service_enabled true Enable service at boot
scx_service_started true Start service immediately
scx_scheduler_args "" Extra arguments for the scheduler
scx_verify_kernel true Check kernel compatibility before install

Source builds only

Variable Default Description
scx_git_repo https://github.com/sched-ext/scx.git Git repository
scx_git_version main Branch/tag to build
scx_install_all_schedulers true Build all schedulers
scx_schedulers_to_install [scx_rusty, scx_lavd, scx_bpfland] Specific schedulers (when above is false)