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SubjectRe: tickless and HZ=1000 throughput advantage?
On Sat, 19 Sep 2009 15:47:24 +0100
Daniel J Blueman <daniel.blueman@gmail.com> wrote:

> On tickless kernels, is the general consensus that for non-embedded
> systems, selecting HZ=1000 gives slightly more throughput in
> particular situations than HZ=100 or 250, due to finer timer
> intervals/granularity?

it's not about throughput. It's about latency for some things....
although now that select/poll and co use hrtimers it's not as critical
anymore.
the HZ timers aren't used much for anything time-critical nowadays.

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Arjan van de Ven Intel Open Source Technology Centre
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visit http://www.lesswatts.org


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