Re: [RFC][PATCH] HZ as a config option

[Alan Cox]

On Fri, 2002-10-04 at 23:53, Dave Hansen wrote:
> On large systems (like NUMA-Q, Intel Profusion, etc...), latency and 
> user responsiveness become much less important.  The extra scheduling 
> overhead caused by higher HZ is bad.
> 
> This is x86-only right now.  Is there any wider desire to tune this at 
> config time?  Do any architecutures have strict rules as to what this 
> can be set to?

You can't set this arbitarily, the NTP PLL's will only lock for certain
value ranges.