From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Vrabel <david.vrabel@citrix.com>
Subject: Re: [PATCH v2 0/6] xen/PMU: PMU support for Xen PV
	guests
Date: Tue, 10 Jun 2014 14:57:28 +0100
Message-ID: <53970EC8.5000506@citrix.com>
References: <1402076686-26586-1-git-send-email-boris.ostrovsky@oracle.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: <1402076686-26586-1-git-send-email-boris.ostrovsky@oracle.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: Boris Ostrovsky <boris.ostrovsky@oracle.com>, konrad.wilk@oracle.com
Cc: kevin.tian@intel.com, dietmar.hahn@ts.fujitsu.com, JBeulich@suse.com, xen-devel@lists.xen.org
List-Id: xen-devel@lists.xenproject.org

On 06/06/14 18:44, Boris Ostrovsky wrote:
> (This is the second version of the series. The first one was posted long
> time ago and there are too many changes to list.)
> 
> This is the Linux side of Xen PMU support for PV(H) guests, including
> dom0. Only kernel changes are here, toolstack patch will be provided
> separately.
> 
> Here is description from the hypervisor patch submission that applies
> to this series as well:
> 
> This version has following limitations:
> * For accurate profiling of dom0/Xen dom0 VCPUs should be pinned.
> * Hypervisor code is only profiled on processors that have running dom0 VCPUs
> on them.
> * No backtrace support.

I think there needs to be a plausible plan for how to resolve these
limitations.

David