cpu control

[Mike McGrath]

> -----Original Message-----
> From: fedora-list-bounces at redhat.com 
> [mailto:fedora-list-bounces at redhat.com] On Behalf Of Gustavo Seabra
> Sent: Wednesday, April 27, 2005 11:20 AM
> To: Shahzad Chohan; For users of Fedora Core releases
> Subject: Re: cpu control
> 
> On 4/27/05, Shahzad Chohan <shahzad.chohan at gmail.com> wrote:
> > Hi
> > 
> > I have four cpu's in my server, I'd like to turn off two of them or 
> > make them disappear from linux. Is there a way for me to do that?
> > 
> > Many Thanks
> > 
> > Shahzad
> > 
> 
> Just curious... Why would you want that?
> 
> --
> --------------------------------------------------------------
> -------------------------------
> Gustavo Seabra                                           
> Graduate Student
> Chemistry Dept.                                   Kansas 
> State University
> Registered Linux user number 381680
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>                               ...skydiving is not for you.
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> 

Something else you can do is disable hyperthreading if you infact have 2
hyperthreaded processors it would show up as 4 in /proc/cpuinfo  on boot
you can add "noht" to the grub bootup and it will disable
hyperthreading.

	-Mike