From: David Vrabel <david.vrabel@citrix.com>
To: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: <xen-devel@lists.xen.org>, <linux-kernel@vger.kernel.org>,
<david.vrabel@citrix.com>, <JBeulich@suse.com>
Subject: Re: [Xen-devel] [PATCH v1 0/5] xen/PMU: PMU support for Xen PV guests
Date: Wed, 11 Sep 2013 10:33:49 +0100 [thread overview]
Message-ID: <523038FD.4070100@citrix.com> (raw)
In-Reply-To: <1378827110-4192-1-git-send-email-boris.ostrovsky@oracle.com>
On 10/09/13 16:31, Boris Ostrovsky wrote:
> This is the Linux side of Xen PMU support for PV 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.
These are some pretty significant limitations. Is there a plan for how
to remove them?
David
next prev parent reply other threads:[~2013-09-11 9:33 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-10 15:31 [PATCH v1 0/5] xen/PMU: PMU support for Xen PV guests Boris Ostrovsky
2013-09-10 15:31 ` Boris Ostrovsky
2013-09-10 15:31 ` [PATCH v1 1/5] xen: xensyms support Boris Ostrovsky
2013-09-10 15:31 ` Boris Ostrovsky
2013-09-11 8:17 ` Jan Beulich
2013-09-11 8:17 ` Jan Beulich
2013-09-10 15:31 ` [PATCH v1 2/5] xen/PMU: Sysfs interface for setting Xen PMU mode Boris Ostrovsky
2013-09-10 15:31 ` Boris Ostrovsky
2013-09-23 13:17 ` Konrad Rzeszutek Wilk
2013-09-23 14:05 ` Boris Ostrovsky
2013-09-23 14:05 ` Boris Ostrovsky
2013-09-23 13:17 ` Konrad Rzeszutek Wilk
2013-09-10 15:31 ` [PATCH v1 3/5] xen/PMU: Initialization code for Xen PMU Boris Ostrovsky
2013-09-10 15:31 ` Boris Ostrovsky
2013-09-23 13:26 ` Konrad Rzeszutek Wilk
2013-09-23 14:18 ` Boris Ostrovsky
2013-09-23 14:18 ` Boris Ostrovsky
2013-09-23 14:25 ` [Xen-devel] " Boris Ostrovsky
2013-09-23 14:25 ` Boris Ostrovsky
2013-09-23 13:26 ` Konrad Rzeszutek Wilk
2013-09-10 15:31 ` [PATCH v1 4/5] xen/PMU: Add support for PMU registes on PV guests Boris Ostrovsky
2013-09-10 15:31 ` Boris Ostrovsky
2013-09-23 13:28 ` Konrad Rzeszutek Wilk
2013-09-23 13:28 ` Konrad Rzeszutek Wilk
2013-09-10 15:31 ` [PATCH v1 5/5] xen/PMU: Cache MSR accesses during interrupt handling Boris Ostrovsky
2013-09-10 15:31 ` Boris Ostrovsky
2013-09-23 13:29 ` Konrad Rzeszutek Wilk
2013-09-23 13:29 ` Konrad Rzeszutek Wilk
2013-09-11 9:33 ` David Vrabel [this message]
2013-09-11 14:26 ` [PATCH v1 0/5] xen/PMU: PMU support for Xen PV guests Boris Ostrovsky
2013-09-11 14:26 ` [Xen-devel] " Boris Ostrovsky
2013-09-11 9:33 ` David Vrabel
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