From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: Statistics at the host for network nic that was
	PCI-Passthrough
Date: Mon, 14 Apr 2014 12:52:40 +0100
Message-ID: <534BCC08.8070704@citrix.com>
References: <95c9e48ad3db7c84f138f717198c149e@startpo.co.il>
	<1397468101.9862.228.camel@kazak.uk.xensource.com>
	<0b6ccd40-a4d4-41d8-b101-eb0a4683230e@email.android.com>
	<1397475882.9862.252.camel@kazak.uk.xensource.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xen.org>
In-Reply-To: <1397475882.9862.252.camel@kazak.uk.xensource.com>
List-Unsubscribe: <http://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <http://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Sender: xen-devel-bounces@lists.xen.org
Errors-To: xen-devel-bounces@lists.xen.org
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: Shimon Zadok <shimon@startpo.co.il>, Xen-Developement <Xen-devel@lists.xen.org>
List-Id: xen-devel@lists.xenproject.org

On 14/04/14 12:44, Ian Campbell wrote:
> Please don't top post.
>
> On Mon, 2014-04-14 at 14:43 +0300, Shimon Zadok wrote:
>> The guest is not in my control. Use case is: user uploads a Guest VM
>> he made by himself...
>> It could be the case that I give him an sr-iov (vf) by pci-passthrough
>> or a pci device (not vf). I would still like to get a sense of the pci
>> at the host level...
> I'm afraid that AFAIK this is not possible without guest (admin)
> cooperation.
>
> Ian.

For some SRIOV devices, there is vf accounting available from the pf,
but this is hardware and driver dependent.

For non SRIOV, all bets are off in this regard.

~Andrew