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scx-upstream/scheds/rust
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Andrea Righi cb82d91e0f scx_rustland: use scx_bpf_dispatch_cancel() 
Use scx_bpf_dispatch_cancel() to invalidate dispatches on wrong per-CPU
DSQ, due to cpumask race conditions, and redirect them to the shared
DSQ.

This prevents dispatching tasks to CPU that cannot be used according to
the task's cpumask.

With this applied the scheduler passed all the `stress-ng --race-sched`
stress tests.

Moreover, introduce a counter that is periodically reported to stdout as
an additional statistic, that can be helpful for debugging.

Link: https://github.com/sched-ext/sched_ext/pull/135
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
2024-02-08 22:48:07 +01:00
..
scx_layered scx_layered: Use scx_utils::user_exit_info 2024-01-31 10:54:20 -10:00
scx_rustland scx_rustland: use scx_bpf_dispatch_cancel() 2024-02-08 22:48:07 +01:00
scx_rusty scx_rusty: Use scx_utils::user_exit_info 2024-01-31 11:08:17 -10:00
meson.build scx_rustland: rename from scx_rustlite 2023-12-22 00:20:14 +01:00
README.md Add README files for each rust scheduler 2024-01-04 07:35:44 -08:00

README.md

RUST SCHEDULERS

Introduction

This directory contains schedulers with user space rust components.

The README in each scheduler directory provides some background and describes the types of workloads or scenarios they're designed to accommodate. For more details on any of these schedulers, please see the header comment in their main.rs or *.bpf.c files.

Schedulers