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Re: [Qemu-devel] Rethinking missed tick catchup
From: |
Avi Kivity |
Subject: |
Re: [Qemu-devel] Rethinking missed tick catchup |
Date: |
Thu, 13 Sep 2012 18:51:30 +0300 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120828 Thunderbird/15.0 |
On 09/13/2012 05:48 PM, Gleb Natapov wrote:
> On Thu, Sep 13, 2012 at 09:35:18AM -0500, Anthony Liguori wrote:
>> Gleb Natapov <address@hidden> writes:
>>
>> > On Thu, Sep 13, 2012 at 09:06:29AM -0500, Anthony Liguori wrote:
>> >> "Daniel P. Berrange" <address@hidden> writes:
>> >>
>> >> I think it's better for QEMU to talk to qemu-ga. We can tell when a large
>> >> period of time has passed in QEMU because we'll accumulate a large
>> >> number of missed ticks.
>> >>
>> > With RTC configured to use vm clock we will not.
>>
>> Not for host suspend. For stop and live migration, we stop vm_clock.
>> But QEMU isn't aware of host suspend so vm_clock cannot be stopped.
>>
> Hmm, true. What about hooking into suspend and doing vmstop during
> suspend.
There is a DBus API (UPower) with a method called AboutToSleep(). No
idea what it does or if unprivileged processes can access it. libvirt
of qemud could do it, of course.
--
error compiling committee.c: too many arguments to function
- Re: [Qemu-devel] Rethinking missed tick catchup, (continued)
- Re: [Qemu-devel] Rethinking missed tick catchup, Anthony Liguori, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Gleb Natapov, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Avi Kivity, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Eric Blake, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Avi Kivity, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Anthony Liguori, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Avi Kivity, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Anthony Liguori, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Anthony Liguori, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Gleb Natapov, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup,
Avi Kivity <=
- Re: [Qemu-devel] Rethinking missed tick catchup, Anthony Liguori, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Gleb Natapov, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Anthony Liguori, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Gleb Natapov, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Anthony Liguori, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Avi Kivity, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Gleb Natapov, 2012/09/13
Re: [Qemu-devel] Rethinking missed tick catchup, Stefan Weil, 2012/09/12