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SubjectRe: CFS review

> but that's nothing new. CFS cannot conjure up time measurement methods
> that do not exist. If you have a low-res clock and if you create an app
> that syncs precisely to the tick of that clock via timers that run off
> that exact tick then there's nothing the scheduler can do about it. It
> is false to charachterise this as 'sleeper starvation' or 'rounding
> error' like you did. No amount of rounding logic can create a
> high-resolution clock out of thin air.

CFS is only as fair as your clock is good.

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