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

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Fri Oct 04 2002 - 19:53:16 EST


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.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Mon Oct 07 2002 - 22:00:49 EST