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SubjectRe: [PATCH v3 00/18] periodic write-back timer optimization
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Artem Bityutskiy <Artem.Bityutskiy@nokia.com> writes:

>
> The patches attempt to optimize the periodic write-back and stop it when
> there are no dirty data. IOW, we do not want the thread to wake up every
> 5 seconds (by default), find there is nothing to do, and so on.

Is waking up every 5 seconds really a problem?

The normal rule of thumb is iirc that longer sleep times than a few hundred
ms give dimishing returns in terms of power saving.

A simple way might be simple to batch the timer better with other timers.

-Andi


--
ak@linux.intel.com -- Speaking for myself only.


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