[Beowulf] Turboboost/IDA on Nehalem
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Karsten Weiss K.Weiss at science-computing.deMon Jun 21 04:00:16 PDT 2010
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On Mon, 21 Jun 2010, James Braid wrote: > > What's a good way to confirm if my procs are actually in a turbo > > state at a given point of time. It doesn't get reported back through > > the usual BIOS channels does it? > > turbostat from pmtools is a great little tool for seeing this type of info. > > http://kernel.org/pub/linux/kernel/people/lenb/acpi/utils/ > > FWIW acpi_cpufreq doesn't load on any of our Nehalem based systems > (HP, Dell, running on Fedora 12) - but turbo boost and all the other > power efficiency features work fine as far as I can tell. Another alternative is i7z: http://code.google.com/p/i7z/ -- Karsten Weiss / science + computing ag
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