linux-kernel - Re: [Qemu-devel] Re: virtio: Add memory statistics reporting to the balloon driver

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Date:	Wed, 11 Nov 2009 07:26:24 -0600
From:	Adam Litke <agl@...ibm.com>
To:	"Daniel P. Berrange" <berrange@...hat.com>
Cc:	Jamie Lokier <jamie@...reable.org>,
	Anthony Liguori <aliguori@...ibm.com>, agl@...ux.vnet.ibm.com,
	linux-kernel@...r.kernel.org, qemu-devel@...gnu.org,
	virtualization@...ts.linux-foundation.org,
	Avi Kivity <avi@...hat.com>
Subject: Re: [Qemu-devel] Re: virtio: Add memory statistics reporting to
 the balloon driver

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.

-- 
Thanks,
Adam

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