From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dario Faggioli <dario.faggioli@citrix.com>
Subject: Re: [PATCH RFC v2 0/7] xen: vNUMA introduction
Date: Fri, 13 Sep 2013 14:25:48 +0200
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To: George Dunlap <george.dunlap@eu.citrix.com>
Cc: keir@xen.org, Ian.Campbell@citrix.com, stefano.stabellini@eu.citrix.com, lccycc123@gmail.com, ian.jackson@eu.citrix.com, xen-devel@lists.xen.org, JBeulich@suse.com, sw@linux.com, Elena Ufimtseva <ufimtseva@gmail.com>
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On ven, 2013-09-13 at 12:19 +0100, George Dunlap wrote:
> > NUMA machine:
> > cpu_topology           :
> > cpu:    core    socket     node
> >    0:       0        0        0
> >    1:       1        0        0
> >    2:       2        0        0
> >    3:       3        0        0
> >    4:       0        1        1
> >    5:       1        1        1
> >    6:       2        1        1
> >    7:       3        1        1
> > numa_info              :
> > node:    memsize    memfree    distances
> >     0:     17664      12243      10,20
> >     1:     16384      11929      20,10
> >
> > VM config:
> >
> > memory =3D 16384
> > vcpus =3D 8
> > name =3D "rcbig"
> > vnodes =3D 8
> > vnumamem =3D "2g, 2g, 2g, 2g, 2g, 2g, 2g, 2g"
> > vcpu_to_vnode =3D"5 6 7 4 3 2 1 0"
>=20
> This was a bit confusing for me as the table above and the config below=
=20
> don't seem to be the same.
>=20
I think the table refers to the host.

However, as it came out already in other messages, I think we seriously
need some good interface, with talking names and a well specified
default behavior for any possible combination of parameters for this
stuff, or it will be impossible to use properly!!

Dario

--=20
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)


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