[geeks] Re : solaris x86 cpu speed control

Phil Stracchino alaric at metrocast.net
Mon Dec 27 09:49:38 CST 2010


> --- En date de : Sam 25.12.10, Shannon <shannon at widomaker.com> a icrit :
> 
> De: Shannon <shannon at widomaker.com>
> Objet: [geeks] solaris x86 cpu speed control
> @: "The Geeks List" <geeks at sunhelp.org>
> Date: Samedi 25 dicembre 2010, 8h27
> 
> Question:
> 
> I would like to have my Solaris server put the CPU cores in their slowest
> possible state at nite and other times to reduce power use and (mostly)
> noise.
> 
> This is an AMD system that can vary from 1-3GHz speeds in several steps.
> 
> At 1GHz, you can barely hear it run, so I'd like some way to force it to run
> that slow, even if there are jobs active that would normally force stepping
> control to run the CPU fast.
> 
> Is this possible and what X86 Solaris software would do it?
> 
> --------------------
> 
> I'm eventually going to move away from Solaris on this server, and I'm
> looking
> for good alternatives.  Any experiences with similar CPU speed control on
> other OS also appreciated.

Missed this footnote earlier.  You can have complete control over CPU
speed using cpufrequtils on Linux.


-- 
  Phil Stracchino, CDK#2     DoD#299792458     ICBM: 43.5607, -71.355
  alaric at caerllewys.net   alaric at metrocast.net   phil at co.ordinate.org
         Renaissance Man, Unix ronin, Perl hacker, Free Stater
                 It's not the years, it's the mileage.



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