[lug] RedHat Hat & Multi CPU's

[neelsmith74 at netscape.net]

Thanks Richard.

My next question is does this effect the system if this is left on; since I do not have any multithreaded programs running.
Is there a performace hit if im not using it-it does not look like it.
Thanks again,
Nate.


Richard Fifarek <rfifarek at silug.org> wrote:

>
>    It means that hyperthreading is enabled.  Typically you can 
>disable it in the BIOS, but if not, pass noht (if I recall) to the kernel 
>as a boot option.
>
>On Wed, 6 Nov 2002 neelsmith74 at netscape.net wrote:
>
>> Hi,
>> I just upgraded a dual Z 2ghz from RH7.3-SMP to RH8.0-SMP
>> It now looks as if RH8.0 thinks I have 4 CPU's????
>> 
>> When I take #top
>> CPU0 states ..
>> CPU1 states ..
>> CPU2 states ..
>> CPU3 states ..
>> ::and::
>> migration_CPU0
>> migration_CPU1
>> migration_CPU2
>> migration_CPU3
>> ::and::
>> ksoftirqd_CPU0
>> ksoftirqd_CPU1
>> ksoftirqd_CPU2
>> ksoftirqd_CPU3
>> I image this is some kind of system d that is running, but why is my question and how did it come up with 4 CPU's instead of 2CPU's?
>> 
>> Thanks,
>> Nate - the other one
>> 
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>
>         -----------------------------------------------------
>         Richard H. Fifarek             rfifarek at silug.org
>             -----------------------------------------------------
>
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