From: Dario Faggioli <raistlin@linux.it>
To: "Zhang, Yang Z" <yang.z.zhang@intel.com>
Cc: Andre Przywara <andre.przywara@amd.com>,
Ian Campbell <Ian.Campbell@citrix.com>,
Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>,
George Dunlap <george.dunlap@eu.citrix.com>,
Juergen Gross <juergen.gross@ts.fujitsu.com>,
Ian Jackson <Ian.Jackson@eu.citrix.com>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: [PATCH 08 of 10 v2] libxl: enable automatic placement of guests on NUMA nodes
Date: Thu, 28 Jun 2012 12:12:09 +0200 [thread overview]
Message-ID: <1340878329.21008.2.camel@Solace> (raw)
In-Reply-To: <A9667DDFB95DB7438FA9D7D576C3D87E1BDD1C@SHSMSX101.ccr.corp.intel.com>
[-- Attachment #1.1: Type: text/plain, Size: 1118 bytes --]
On Thu, 2012-06-28 at 07:25 +0000, Zhang, Yang Z wrote:
> > This all happens internally to libxl, and no API for driving the mechanism is
> > provided for now. This matches what xend already does.
> we should consider the basic IONUMA. I mean when a guest with a device assigned,
> from the point of view of performance, it's better to allocated the memory from the node
> which the device belongs to.
>
That sure makes sense, and it would be a very useful extension!
> Furthermore, we need consider the guest NUMA(I am working on it now) and live migration.
>
Great. Can you share, either here on or a separate thread some more
details about what you mean by both "guest NUMA" and "live migration" in
this context?
As George said, that would be 4.3 material, but I'm still very
interested. :-)
Thanks and Regards,
Dario
--
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://retis.sssup.it/people/faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)
[-- Attachment #1.2: This is a digitally signed message part --]
[-- Type: application/pgp-signature, Size: 198 bytes --]
[-- Attachment #2: Type: text/plain, Size: 126 bytes --]
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel
next prev parent reply other threads:[~2012-06-28 10:12 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-15 17:04 [PATCH 00 of 10 v2] Automatic NUMA placement for xl Dario Faggioli
2012-06-15 17:04 ` [PATCH 01 of 10 v2] libxl: fix a typo in the GCREALLOC_ARRAY macro Dario Faggioli
2012-06-21 8:53 ` Ian Campbell
2012-06-26 16:00 ` Ian Campbell
2012-06-26 16:26 ` Dario Faggioli
2012-06-15 17:04 ` [PATCH 02 of 10 v2] libxl: add a new Array type to the IDL Dario Faggioli
2012-06-15 17:04 ` [PATCH 03 of 10 v2] libxl, libxc: introduce libxl_get_numainfo() Dario Faggioli
2012-06-21 9:02 ` Ian Campbell
2012-06-21 10:00 ` Dario Faggioli
2012-06-21 10:21 ` Ian Campbell
2012-06-15 17:04 ` [PATCH 04 of 10 v2] xl: add more NUMA information to `xl info -n' Dario Faggioli
2012-06-21 9:04 ` Ian Campbell
2012-06-15 17:04 ` [PATCH 05 of 10 v2] libxl: rename libxl_cpumap to libxl_bitmap Dario Faggioli
2012-06-21 9:12 ` Ian Campbell
2012-06-21 9:49 ` Dario Faggioli
2012-06-21 10:22 ` Ian Campbell
2012-06-15 17:04 ` [PATCH 06 of 10 v2] libxl: expand the libxl_bitmap API a bit Dario Faggioli
2012-06-21 9:30 ` Ian Campbell
2012-06-21 9:46 ` Dario Faggioli
2012-06-15 17:04 ` [PATCH 07 of 10 v2] libxl: introduce some node map helpers Dario Faggioli
2012-06-21 9:35 ` Ian Campbell
2012-06-21 9:44 ` Dario Faggioli
2012-06-15 17:04 ` [PATCH 08 of 10 v2] libxl: enable automatic placement of guests on NUMA nodes Dario Faggioli
2012-06-21 11:40 ` Ian Campbell
2012-06-21 16:34 ` Dario Faggioli
2012-06-22 10:14 ` Ian Campbell
2012-06-26 16:25 ` Dario Faggioli
2012-06-26 16:26 ` Ian Campbell
2012-06-26 17:23 ` Ian Jackson
2012-06-21 16:16 ` George Dunlap
2012-06-21 16:43 ` Dario Faggioli
2012-06-22 10:05 ` George Dunlap
2012-06-26 11:03 ` Ian Jackson
2012-06-26 15:20 ` Dario Faggioli
2012-06-27 8:15 ` Dario Faggioli
2012-06-28 7:25 ` Zhang, Yang Z
2012-06-28 8:36 ` George Dunlap
2012-06-29 5:38 ` Zhang, Yang Z
2012-06-29 9:46 ` Dario Faggioli
2012-06-28 10:12 ` Dario Faggioli [this message]
2012-06-28 12:41 ` Pasi Kärkkäinen
2012-06-28 17:03 ` Dario Faggioli
2012-06-29 5:29 ` Zhang, Yang Z
2012-06-29 9:38 ` Dario Faggioli
2012-06-15 17:04 ` [PATCH 09 of 10 v2] libxl: have NUMA placement deal with cpupools Dario Faggioli
2012-06-21 13:31 ` Ian Campbell
2012-06-21 13:54 ` Dario Faggioli
2012-06-21 13:58 ` Ian Campbell
2012-06-15 17:04 ` [PATCH 10 of 10 v2] Some automatic NUMA placement documentation Dario Faggioli
2012-06-18 15:54 ` Dario Faggioli
2012-06-21 13:38 ` Ian Campbell
2012-06-21 13:57 ` Dario Faggioli
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1340878329.21008.2.camel@Solace \
--to=raistlin@linux.it \
--cc=Ian.Campbell@citrix.com \
--cc=Ian.Jackson@eu.citrix.com \
--cc=Stefano.Stabellini@eu.citrix.com \
--cc=andre.przywara@amd.com \
--cc=george.dunlap@eu.citrix.com \
--cc=juergen.gross@ts.fujitsu.com \
--cc=xen-devel@lists.xen.org \
--cc=yang.z.zhang@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).