config_HZ kernel setting

Waldher, Travis R Travis.R.Waldher at boeing.com
Tue Feb 19 17:46:17 UTC 2008


> -----Original Message-----
> From: Bob McClure Jr [mailto:bob at bobcatos.com]
> Sent: Tuesday, February 19, 2008 9:31 AM
> To: Getting started with Red Hat Linux
> Subject: Re: config_HZ kernel setting
> 
> On Tue, Feb 19, 2008 at 07:21:21AM -0800, Waldher, Travis R wrote:
> > I'm still searching, but can anyone here tell me if there is a way I
> can
> > see what the current value of config_HZ is on a running kernel?
> 
> I don't know if this is exactly what you're looking for, but doesn't
> 
>   cat /proc/cpuinfo
> 
> give you that information in the "cpu MHz" parameter, or is that
> something different?
> 

Cpu Mhz is a different parameter.

Config_HZ is the setting for the kernel's internel frequency and
correcting for lost timer interrupts.  Currently the choices are 100,
250 and 1000. 

The 2.6 kernel started using 1000 by default and apparently this can
cause issues with VMWare Server.






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