[NTLUG:Discuss] SMP -- How can you tell it works?

[Pete. Koren]

Yes, ktop is a neat program.  I am glad to see things are really working.

Thanks,

Pete Koren


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"J. Reeves Hall" wrote:

> Pete. Koren wrote:
>
> > Hi,
> >
> > I compiled kernel 2.2.11 for SMP with my dual Celeron based Abit BP6 and
> > I noticed when I ran
> >
> >     # dmesg
> >
> > these lines:
> >
> >     mtrr: your CPUs had inconsistent fixed MTRR settings
> >     mtrr: probably your BIOS does not setup all CPUs
> >
> > The kernel configuration documentation mentions that:
> >
> >     CONFIG_MTRR
> >     ...
> >       "Saying Y here also fixes a problem with buggy SMP BIOSes which
> > only
> >       set the MTRRs for the boot CPU and not the secondary CPUs. This
> > can
> >       lead to all sorts of problems."
> >
> > I have set
> >
> >     CONFIG_MTRR=y
> >
> > Do I have a problem or not?  How can I see which CPU runs which process?
> >
> > Thanks,
> >
> > Pete Koren
>
> Run KDE's ktop program. It show per-CPU usage levels (not per-CPU
> processes, but at least it shows that both CPU's are running).
>
> -Reeves
>
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