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Andrea Righi bf4ad23599 scx_bpfland: refine interactive tasks flood safeguard 
Refine the safeguard mechanism to avoid generating too many interactive
tasks in the system, which could nullify the effect of the
interactive/regular task classification.

The safeguard mechanism operates by pausing the promotion of new tasks
to interactive status during the task wake-up process, whenever the
number of interactive tasks in the priority queue exceeds a specific
limit (set to 4x the number of online CPUs).

Halting the promotion of additional interactive tasks allows to
prioritize those already classified as interactive, thereby preventing
potential "bursts" of excessive interactive tasks in the system.

This refines the mitigation already provided by commit 640bd562
("scx_bpfland: prevent tasks from abusing interactive priority boost").

Fixes: 640bd562 ("scx_bpfland: prevent tasks from abusing interactive priority boost")
Signed-off-by: Andrea Righi <righi.andrea@gmail.com>
2024-07-15 00:11:34 +02:00
..
scx_bpfland scx_bpfland: refine interactive tasks flood safeguard 2024-07-15 00:11:34 +02:00
scx_lavd Merge pull request #424 from sched-ext/sync-upstream-kernel-and-bump-to-1.0 2024-07-14 07:00:38 -10:00
scx_layered Bump most versions to 1.0.0 2024-07-12 11:34:14 -10:00
scx_mitosis Bump most versions to 1.0.0 2024-07-12 11:34:14 -10:00
scx_rlfifo Bump most versions to 1.0.0 2024-07-12 11:34:14 -10:00
scx_rustland Bump most versions to 1.0.0 2024-07-12 11:34:14 -10:00
scx_rusty Bump most versions to 1.0.0 2024-07-12 11:34:14 -10:00
meson.build Sync from kernel - 1edab907b57d 2024-07-12 11:08:41 -10:00
README.md scheds: introduce scx_bpfland 2024-06-27 17:28:42 +02:00

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