Re: finding out the value of HZ from userspace

From: Jamie Lokier
Date: Mon Mar 15 2004 - 03:18:42 EST


Horst von Brand wrote:
> What for? It should be invisible to userspace...

It's not invisible. select/poll/epoll/setitimer round their time
argument according to HZ, and programs which do smooth (i.e. low
_jitter_) animation of the kind where the eye is sensitive to the
jitter need to track it and correct for it.

-- Jamie
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