Re: Intel's Powertop
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On Sun, 13 May 2007 16:00:40 -0400
"Andrew J. Barr" <andrew.james.barr@gmail.com> wrote:
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> On 13 May 2007 19:18:01 GMT
> Jack Malmostoso <jackmalmostoso@freesurf.ch> wrote:
>
> > Hello everyone,
> >
> > today I stumbled upon this new project from Intel:
> >
> > www.linuxpowertop.com
> >
> > and I have noticed it entered Debian's repository. So I compiled it
> > on my iBook and tried to run it, but I didn't get any results.
> > The only suggestion that comes out is to configure
> > CONFIG_HPET_TIMER=y in my kernel.
> > So I have checked for it in the config of my stock 2.6.20 on ppc and
> > that option is not even included, while it is set to "y" on my AMD64
> > machine. I therefore assume that it's an x86 specific feature that
> > will not be available on ppc? Or is it just a matter of time?
>
> You need a tickless system (CONFIG_NO_HZ). We don't have dynticks on
> powerpc yet.
>
> I don't think that it's x86-specific, so we should be able to benefit
> in a few kernel versions.
Also, we'll benefit from bug fixes that result from this program.
The utility may need ported--I think it reads some values from
ACPI--but nothing critical so it should be possible and in fact fairly
easy to port to ppc.
- --
Andrew J. Barr
(614) 581-3537 (Verizon Wireless)
"When fascism comes to America, it will be wrapped in the flag and
carrying the cross." -- Sinclair Lewis, 1935
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