From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= <pasik@iki.fi>
Subject: Re: Linux 3.4 dom0 kernel error loading
 xen-acpi-processor: Input/output error
Date: Mon, 13 May 2013 18:03:23 +0300
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To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: David Vrabel <david.vrabel@citrix.com>, xen-devel@lists.xen.org
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On Mon, May 13, 2013 at 09:46:10AM -0400, Konrad Rzeszutek Wilk wrote:
> > 
> > (I'm almost 100% certain I tried that option already earlier,
> > so I don't have any idea why it didn't work back then.. but *now* it seems to work!)
> > 
> > For reference I'm using Intel L5640 Xeon CPU, and here's xenpm output for it:
> > 
> > # xenpm get-cpufreq-states
> > 
> > cpu id               : 0
> > total P-states       : 7
> > usable P-states      : 7
> > current frequency    : 1596 MHz
> > P0         [2262 MHz]: transition [                   5]
> >                        residency  [                  59 ms]
> 
> Woot! Turbo Mode!
>

Yep, turbo seems to work..

# xenpm get-cpufreq-para

cpu id               : 0
affected_cpus        : 0
cpuinfo frequency    : max [2262000] min [1596000] cur [2262000]
scaling_driver       : acpi-cpufreq
scaling_avail_gov    : userspace performance powersave ondemand
current_governor     : ondemand
  ondemand specific  :
    sampling_rate    : max [10000000] min [10000] cur [20000]
    up_threshold     : 80
scaling_avail_freq   : 2262000 2261000 2128000 1995000 1862000 1729000 *1596000
scaling frequency    : max [2262000] min [1596000] cur [1596000]
turbo mode           : enabled

.. 


-- Pasi