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Date: Thu, 13 Sep 2012 13:50:33 +0300
From: Gleb Natapov <gleb@redhat.com>
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References: <87pq5r5otp.fsf@codemonkey.ws> <5050B7E2.3070803@weilnetz.de>
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Subject: Re: [Qemu-devel] Rethinking missed tick catchup
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To: Stefan Weil <sw@weilnetz.de>
Cc: Michael Roth <mdroth@linux.vnet.ibm.com>, Jan Kiszka <jan.kiszka@siemens.com>, qemu-devel@nongnu.org, Luiz Capitulino <lcapitulino@redhat.com>, Avi Kivity <avi@redhat.com>, Anthony Liguori <anthony@codemonkey.ws>, Paolo Bonzini <pbonzini@redhat.com>, Eric Blake <eblake@redhat.com>

On Wed, Sep 12, 2012 at 09:45:49PM +0200, Stefan Weil wrote:
> Am 12.09.2012 20:13, schrieb Gleb Natapov:
> >On Wed, Sep 12, 2012 at 07:30:08PM +0200, Stefan Weil wrote:
> >>I also meant host hibernation.
> >Than I don't see how guest can handle the situation since it has
> >no idea that it was stopped. Qemu has not idea about host hibernation
> >either.
> 
> The guest can compare its internal timers (which stop
> when the host hibernates) with external time references
> (NTP, hw clock or any other clock reference).
Are you prosing to run ntpdate in a loop inside a guest?

--
			Gleb.