Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods

Peter Zijlstra
2017-07-18T17:05:53Z

On Tue, Jul 18, 2017 at 09:37:57AM -0700, Arjan van de Ven wrote:

> that's just a matter of fixing the C1 and later thresholds to line up right.
> shrug that's the most trivial thing to do, it's a number in a table.

Well, they represent a physical measure, namely the break-even-time. If
you go muck with them you don't have anything left. This is tinkering
of the worst possible kind.

Fix the estimator if you want behavioural changes.

> some distros do those tunings anyway when they don't like the upstream tunings

*shudder*