Re: how to configure hyperthreading

From: a s p a s i a (aspasia_at_pair.com)
Date: 02/18/04

  • Next message: Jason Dixon: "Re: how to configure hyperthreading" 
    To: redhat-list@redhat.com
Date: Wed, 18 Feb 2004 10:24:13 -0800 (PST)

    > There is no kernel parameter for this in 2.4. As long as you're running
    > an smp kernel, and the BIOS presents all the 4 CPUs (2 physical with 2
    > logical CPUs each), the Linux will see and use all 4.

    how can i check this?

    cat /proc/cpuinfo

    or does the above report the physicals ?

    >
    > Your comment about "in Intel XEON it is by default" doesn't make any
    > sense. The chip - that is, the Xeon - will always present the logical
    > CPUs. The BIOS can then turn that off and that's what you need to
    > double-check. Have you in fact verified your BIOS settings?
    >

    yeah, sorry, i was still waking up when writing that ...
    pls disregard...

    thx,

    - a. 

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  • Next message: Jason Dixon: "Re: how to configure hyperthreading"