[ltp] Re: using Middleton BIOS on Linux (for SATA2)

Henrique de Moraes Holschuh linux-thinkpad@linux-thinkpad.org
Mon, 28 Jan 2013 16:13:51 -0200

On Mon, 28 Jan 2013, Stefan Monnier wrote:
> >> Stefan "who'd be happy to use IDA under GNU/Linux but still
> >> hasn't found anything else than a few hacks here and
> >> there, none of them conveniently usable"
> > So this is not correct?
> > https://lesswatts.org/projects/processor-power/dynamic-acceleration.php
> I don't really know: I do use a recent enough kernel, and /proc/cpuinfo
> does list the `ida' flag, but the available frequencies only go up to
> 2.5GHz, whereas IDA is supposed to offer 2.7GHz on my T9300.
> Or does the "2.501GHz" entry stand for a real 2.7GHz?

It stants for "ida active and doing something".  If you want to really
know how fast in average the processor is doing under ida, get a copy
of "turbostat" from the latest linux-kernel tree.  Maybe powertop 2.x
also shows that info.

  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh