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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=499D6FFB.7020905@wpkg.org \
--to=mangoo@wpkg.org \
--cc=gcosta@redhat.com \
--cc=kvm@vger.kernel.org \
--cc=mtosatti@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.