Re: [Qemu-devel] Re: virtio: Add memory statistics reporting to theballoon driver

[Avi Kivity]

On 11/11/2009 03:26 PM, Adam Litke wrote:
> On Wed, 2009-11-11 at 10:12 +0000, Daniel P. Berrange wrote:
>    
> > This all suggests that we should only update the stats from the guest
> > when something on the host actually asks for them by issuing the QEMU
> > monitor command. We don't want any kind of continuous polling of stats
> > at any frequency, if nothing is using these stats on the host.
> >      
> Agreed.  The next version of the patch will remove the timer completely.
> We'll wake up in response to config change notifications only.
>    

A vq with its own interrupt would be much nicer.

--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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