From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: Performance difference between Xen versions
Date: Mon, 2 May 2011 15:36:23 -0400
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> # xenpm get-cpufreq-para 5
> cpu id               : 5
> affected_cpus        : 5
> cpuinfo frequency    : max [2268000] min [1600000] cur [2268000]
> 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   : *2268000 2267000 2133000 2000000 1867000
> 1733000 1600000
> scaling frequency    : max [2268000] min [1600000] cur [2268000]
> turbo mode           : enabled
> 
> Does it do it silently? If so, how can I see the true frequency?

<looks aroud> You are asking me I presume?

Ummm, no idea. I would actually email the authors of the those patches (CC-ed here).