[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Detecting unused CPUs on Linux

From: Frank Smith
Subject: Re: Detecting unused CPUs on Linux
Date: Tue, 12 Oct 2004 17:39:26 -0500

--On Tuesday, October 12, 2004 17:18:04 -0500 Chip Seraphine <address@hidden> 

> I'm working on some lilo-management stuff and I would like to be able to 
> detect SMP machines under Linux (Mandrake).  No problem at all if the machine 
> is already running an SMP kernel-- I can just count the CPUs in /proc/
> cpuinfo, among other ways.  
> Unfortunately, it's a bit tougher if the box is running a uniprocessor 
> kernel.  
> On some systems, I can search the dmesg for the string NR_CPUs (which appears 
> only in an "unused processsors" warning) to know that I have some unused 
> CPUs, but that isn't always present in the dmesg (seems to appear on my 
> PowerEdges but not my Dimensions, not sure why...).  
> Anybody else know of any automated way of telling if I am dragging a CPU?

Try lshw or dmidecode. They'll even tell you the motherboard model. Don't
know if either one is included in the Mandrake distro.


> -- 
> Chip Seraphine
> Unix Administrator
> TradeLink, LLC
> 312-264-2048
> address@hidden
> _______________________________________________
> Help-cfengine mailing list
> address@hidden

Frank Smith                                      address@hidden
Sr. Systems Administrator                       Voice: 512-374-4673
Hoover's Online                                   Fax: 512-374-4501

reply via email to

[Prev in Thread] Current Thread [Next in Thread]