[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [Patch 2 of 2]: PV-domain SMP performance Linux-part

  • To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
  • From: Juergen Gross <juergen.gross@xxxxxxxxxxxxxxxxxxx>
  • Date: Fri, 19 Dec 2008 10:25:03 +0100
  • Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Fri, 19 Dec 2008 01:25:35 -0800
  • Domainkey-signature: s=s768; d=fujitsu-siemens.com; c=nofws; q=dns; h=X-SBRSScore:X-IronPort-AV:Received:X-IronPort-AV: Received:Received:Message-ID:Date:From:Organization: User-Agent:MIME-Version:To:CC:Subject:References: In-Reply-To:X-Enigmail-Version:Content-Type: Content-Transfer-Encoding; b=V8iFNN8O+lNKAOLqOlX4ky6keYTfieDUX3zYDOjvro23cIUZR+DCutb2 mi9LepIF5U+ZBaAzBAR2wa5WqDutz6X/wn9DwPHzdat2ZX8ZT289lF4r7 lV/IZt31+syDm73;
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Keir Fraser wrote:
> On 19/12/2008 08:12, "Juergen Gross" <juergen.gross@xxxxxxxxxxxxxxxxxxx>
> wrote:
>> Keir, what is your main objection?
>> Putting this interface into the hypervisor or only the Linux part?
>> I still think this would be good to have in linux, but our BS2000 port would
>> really be much easier having this interface in the hypervisor!
>> So if you don't mind adding only the first patch, this would be absolutely
>> okay for us.
> I haven't seen any win on any real world setup. So I remain unconvinced, and
> it'll need more than you alone championing the patch to get it in. There
> have been no other general comments so far (Jan's have been about specific
> details).

Okay, would the following scenario be "real world" enough?

Multiple domUs being busy leading to enough vcpu scheduling, several parallel
kernel builds in dom0 acting as benchmark.


Juergen Gross                             Principal Developer
IP SW OS6                      Telephone: +49 (0) 89 636 47950
Fujitsu Siemens Computers         e-mail: juergen.gross@xxxxxxxxxxxxxxxxxxx
Otto-Hahn-Ring 6                Internet: www.fujitsu-siemens.com
D-81739 Muenchen         Company details: www.fujitsu-siemens.com/imprint.html

Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.