On Tue, 2017-01-10 at 01:50 +0000, Kun Cheng wrote:
On Mon, Jan 9, 2017 at 10:47 PM Eike Waldt <waldt@xxxxxxxxxxxxx>
wrote:
So I tried to it myself for fun but the first problem I encountered
was counting how much memory consumed on each node for each VM, which
a more accurate NUMA scheduling & load-balancing could depend on such
info.
Yes, I remember talking with you about this, but I do not remember that
the showstopper was knowing how many pages of a certain domain are
allocated on a certain NUMA node. That is quite straightforward to tell
and, at present, never changes after domain creation!
I think number of pages allocated to a domain on a node does change
during domain's runtime.
If, OTOH, you mean how frequently a certain page is _accessed_ from a
CPU of a certain node, that's indeed a different story. But it's not
what is being asked here.
Regards,
Dario
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Anshul
