Subj : [$] Exposing concurrency bugs with a custom scheduler
To   : All
From : LWN.net
Date : Wed Feb 05 2025 15:00:06

[$] Exposing concurrency bugs with a custom scheduler

Date:
Wed, 05 Feb 2025 14:54:19 +0000

Description:
Jake Hillion gave a presentation at FOSDEM about using sched_ext , the BPF
scheduling framework that was introduced in kernel version 6.12, to help find
elusive concurrency problems. In collaboration with Johannes Bechberger, he 
has
built a scheduler that can reveal theoretically possible but unobserved
concurrency bugs in test code in a few minutes. Since their scheduler only
relies on mainline kernel features, it can theoretically be applied to any
application that runs on Linux  although there are a number of caveats since
the project is still in its early days.

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Link to news story:
https://lwn.net/Articles/1007689/


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