Re: HZ=1000 in Fedora kernels

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On Sun, 2013-03-03 at 07:18 -0500, Prarit Bhargava wrote:
> Do we need this anymore, or can it be dropped to something more reasonable like
> HZ=100 or HZ=250?
> 
> Does anyone have an actual issue where they require HZ=1000?

I guess it depends what the implementation actually does.  What does HZ
even control these days?  If it controls the scheduler timeslice then
yes I very much do need 1kHz, xserver needs to be able to post a buffer
swap at least every 16ms and if the scheduler only task-switches every
10ms then I stand a very good chance of dropping frames.

Why do you want it lower?

- ajax

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