Messages in this thread | | | From | Rusty Russell <> | Subject | Re: virtio: Add memory statistics reporting to the balloon driver | Date | Tue, 10 Nov 2009 13:12:02 +1030 |
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On Tue, 10 Nov 2009 03:02:06 am Adam Litke wrote: > A simpler approach is to collect memory statistics in the virtio > balloon driver and communicate them to the host via the device config space.
There are two issues I see with this. First, there's an atomicity problem since you can't tell when the stats are consistent. Second, polling is ugly.
A stats vq might solve this more cleanly? Rusty.
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