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Re: How can I make sure that Linux have initialized all CPUs?



On Wed, 2004-07-21 at 09:25, Jacob Friis Larsen wrote:
> I am running Debian stable with kernel 2.4.26-2-686 on a HP DL 140 with 
> 2 CPUs.
> 
> How can I make sure that Linux have initialized all CPUs?
> 
> # dmesg | grep "Initializing CPU"
> Initializing CPU#0
> 
> Shouldn't there be at least 2, or 4 as I see this:
> Processor #0 Pentium 4(tm) XEON(tm) APIC version 20
> Processor #1 Pentium 4(tm) XEON(tm) APIC version 20
> Processor #6 Pentium 4(tm) XEON(tm) APIC version 20
> Processor #7 Pentium 4(tm) XEON(tm) APIC version 20

Just for grins and giggles:

Run "top"

The press "?"

Look for

"Toggle SMP view: '1' single/separate states; 'I' Irix/Solaris mode"

On my machine it is a 1 or I.

Yours could be different. That will tell you.

BTW Processor 6 and 7 are the hyperthreading processors.

-- 
greg, greg@gregfolkert.net

The technology that is
Stronger, better, faster:  Linux

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