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Re: [Xen-devel] Performance difference between Xen versions
- To: Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxxxx>
- From: Keir Fraser <keir@xxxxxxx>
- Date: Mon, 02 May 2011 09:49:02 +0100
- Cc: Keir Fraser <keir.xen@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
- Delivery-date: Mon, 02 May 2011 01:50:12 -0700
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- Thread-topic: [Xen-devel] Performance difference between Xen versions
On 02/05/2011 09:23, "Juergen Gross" <juergen.gross@xxxxxxxxxxxxxx> wrote:
> On 05/02/11 10:15, Jan Beulich wrote:
>>>>> On 02.05.11 at 10:00, Juergen Gross<juergen.gross@xxxxxxxxxxxxxx> wrote:
>>> On the long run I'd like to make the cpufreq governor a feature of the
>>> cpupool. This would enable an administrator of a large Xen machine
>>> with a heterogeneous load to specify which domains should run at
>>> full speed and which are allowed to save energy at the cost of latency.
>>>
>>> What do you think?
>> Certainly an interesting idea, with the question of how an implementation
>> of this would look like.
>
> Let me do some research work first :-)
> I hope to make a proposal soon.
I think it's a good idea, and it should be quite possible to implement
cleanly.
-- Keir
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