Re: HZ question

Tim Schmielau
2005-09-13T14:20:07Z

On Tue, 13 Sep 2005, Mark Hounschell wrote:

> Most if not all userland delay calls rely on HZ value in some way or
> another. The minimum reliable delay you can get is one (kernel)HZ. A
> program that needs an acurrate delay for a time shorter that one
> (kernel)HZ may have an alternative if it knows that HZ is greater the
> the requested delay.

Just assume that kernel HZ are USER_HZ and see anything else as an
additional bonus that you cannot rely on.

What does 'acurrate delay' mean, anyways?

Tim