sched-ext/scx
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sched_ext schedulers and tools
14 mentions on Hacker News by 12 people: 5 stories, 9 comments · first 2024-01-16 · latest 2025-12-23
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…them, not just Meta or Valve or Italia and the development is done in a shared GitHub repo - https://github.com/sched-ext/scx .
comment by redleader55 · 2025-12-23 · in Meta is using the Linux scheduler designed for Valve's Steam Deck on its servers -
…example designed to (ab)use the frequent repetitive access/processing patterns of game engines [1]: https://github.com/sched-ext/scx/tree/main/scheds/rust/scx_l...
comment by NekkoDroid · 2024-09-30 · in The Arch Linux team is now working directly with Valve -
…the actual scheduling logic is written in C (i.e. as the BPF program) which runs in kernel space: https://github.com/sched-ext/scx/blob/main/scheds/rust/scx_l...
comment by manifault · 2024-04-22 · in Rust-Written LAVD Kernel Scheduler Shows Promising Results for Linux Gaming -
It is: https://github.com/sched-ext/scx/blob/main/scheds/rust/scx_l...
comment by OtomotO · 2024-04-21 · in Rust-Written LAVD Kernel Scheduler Shows Promising Results for Linux Gaming -
Also sched-ext which seems close to be mainlined and is already a default scheduler in CachyOS: https://github.com/sched-ext/scx
comment by vient · 2024-04-11 · in Predictive CPU isolation of containers at Netflix (2019) -
re google's https://github.com/google/ghost-userspace also one from canonical in rust on top of scx https://github.com/sched-ext/scx/tree/main/scheds/rust/scx_r... https://arighi.blogspot.com/2024/02/writing-scheduler-for-li...
comment by kapilvt · 2024-02-27 · in Bpftop: Streamlining eBPF performance optimization -
sched-ext is meta, Google have something else but less open i believe. https://github.com/sched-ext/scx/blob/main/OVERVIEW.md
comment by tubs · 2024-02-27 · in Bpftop: Streamlining eBPF performance optimization -
…agree, and have had a great time writing it. If you'd like to play around with it, take a look at https://github.com/sched-ext/scx . LWN wrote a nice article on this as well a while back: https://lwn.net/Articles/922405/ .
comment by manifault · 2024-01-16 · in Rust-Written Linux Scheduler Showing Promising Results for Gaming Performance -
…task, and schedules it when it doesn't have any more runnable tasks to dispatch from the kernel: https://github.com/sched-ext/scx/blob/main/scheds/rust/scx_r...
comment by manifault · 2024-01-16 · in Rust-Written Linux Scheduler Showing Promising Results for Gaming Performance