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Thread: 1000 Hz kernel available?

  1. #1

    Default 1000 Hz kernel available?

    Dear All
    Is it possible to download from any of the official repositories a kernel already setup to run at 1000 Hz or is recompiling the kernel from sources the only way to obatin this type of performance?
    Thanks a lot

  2. #2

    Default Re: 1000 Hz kernel available?

    Eyes open, there is kernel-rt. And 1000 Hz is actually a performance hit.

  3. #3

    Default Re: 1000 Hz kernel available?

    if i install it will it break any dependencies with any preinstalled packages (e.g. nvidia drivers) or should i make a link between my old modules and the rt modules?

  4. #4
    Join Date
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    Default Re: 1000 Hz kernel available?

    On 07/10/2008 07:26 AM, algarues wrote:
    >
    > Dear All
    > Is it possible to download from any of the official repositories a
    > kernel already setup to run at 1000 Hz or is recompiling the kernel
    > from sources the only way to obatin this type of performance?
    > Thanks a lot


    Why do you think a 1000 Hz clock rate gives you higher performance? What it does
    is provide a quicker response than 250 Hz, at the expense of higher overhead. To
    me, that means lower, not higher, performance. In the old days, 1000 Hz was used
    for interactive systems, and 250 Hz for servers.

    What the standard kernels use is the NOHZ option. Rather than doing scheduling
    with a fixed clock interval, these kernels reschedules when a event that
    requires rescheduling occurs. That provides even better response with less
    overhead. I think that implies better performance.

    If you still want to change, you will need to build you own kernel.

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