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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.

    --
    Arjan van de Ven Intel Open Source Technology Centre
    For development, discussion and tips for power savings,
    visit http://www.lesswatts.org


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