On Fri, 28 Oct 2005 01:18:41 +0200 Claudio Scordino wrote:
> Hi,
>
> during the last years there has been a lot of discussion about the "best"
> value of HZ... On i386 was 100, then became 1000, and finally was set to 250.
> I'm thinking to do an evaluation of this parameter using different
> architectures.
>
> Has anybody thought to give the possibility to modify the value of HZ at boot
> time instead of at compile time ? This would allow to easily test different
> values on different machines and create a table containing the "best" value
> for each architecture... At this moment, instead, we have to recompile the
> kernel for each different value :(
>
> Do you think there would be much work to do that ?
Not a lot. Could be useful.
> Do you think it would be a desired feature the knowledge of the best value for
> each architecture with more precision ?
In this thread (around 2005-july-14)
Subject: Re: [PATCH] i386: Selectable Frequency of the Timer Interrupt
there was some interest in that, and the beginnings of a patch.
But the dynamic tick patch seems to have sidelined this one.
---
~Randy
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