From: Tomasz Chmielewski <mangoo@wpkg.org>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: kvm@vger.kernel.org, Glauber de Oliveira Costa <gcosta@redhat.com>
Subject: Re: Houston, we have May 15, 1953 (says guest when host uses cpufreq, and dies)
Date: Thu, 19 Feb 2009 15:43:07 +0100 [thread overview]
Message-ID: <499D6FFB.7020905@wpkg.org> (raw)
In-Reply-To: <20090218200359.GA26940@amt.cnet>
Marcelo Tosatti schrieb:
> On Wed, Feb 18, 2009 at 09:02:31PM +0100, Tomasz Chmielewski wrote:
>> Marcelo Tosatti schrieb:
>>> On Wed, Feb 18, 2009 at 08:18:50PM +0100, Tomasz Chmielewski wrote:
>>>> Marcelo Tosatti schrieb:
>>>>
>>>>>> - what CPU frequency will the guests show? Current host
>>>>>> frequency? Host frequency from the moment the guest booted (i.e.
>>>>>> right now the guest will show 1GHz even if the host is running
>>>>>> at 2GHz, or the way around)?
>>>>> Host frequency from the moment the guest booted, since the guest does
>>>>> not receive frequency change notifications.
>>>> Is it possible (or is it planned) to pass frequency to the guest (the
>>>> one which is displayed in /proc/cpuinfo)?
>>> Possible, not planned AFAIK.
>> Possible, right now? How?
>
> Write a paravirt notification scheme.
That's a bit low level.
I was thinking of a parameter to kvm (binary) which would pass the value
to the guest.
--
Tomasz Chmielewski
http://wpkg.org
next prev parent reply other threads:[~2009-02-19 14:42 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-18 14:51 Houston, we have May 15, 1953 (says guest when host uses cpufreq, and dies) Tomasz Chmielewski
2009-02-18 16:02 ` Anthony Liguori
2009-02-18 16:11 ` Tomasz Chmielewski
2009-02-18 16:59 ` Avi Kivity
2009-02-18 17:02 ` Tomasz Chmielewski
2009-02-18 20:37 ` Anthony Liguori
2009-02-19 9:15 ` Gerd Hoffmann
2009-02-19 9:20 ` Tomasz Chmielewski
2009-02-19 10:27 ` Gerd Hoffmann
2009-02-18 18:46 ` Marcelo Tosatti
2009-02-18 18:53 ` Tomasz Chmielewski
2009-02-18 18:57 ` Marcelo Tosatti
2009-02-18 19:07 ` Tomasz Chmielewski
2009-02-18 19:10 ` Marcelo Tosatti
2009-02-18 19:18 ` Tomasz Chmielewski
2009-02-18 19:32 ` Marcelo Tosatti
2009-02-18 20:02 ` Tomasz Chmielewski
2009-02-18 20:03 ` Marcelo Tosatti
2009-02-19 14:43 ` Tomasz Chmielewski [this message]
2009-03-07 14:59 ` Tomasz Chmielewski
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