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From: David Vrabel <david.vrabel@citrix.com>
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
Subject: Re: [PATCH v2 0/6] xen/PMU: PMU support for Xen PV guests
Date: Tue, 10 Jun 2014 14:57:28 +0100	[thread overview]
Message-ID: <53970EC8.5000506@citrix.com> (raw)
In-Reply-To: <1402076686-26586-1-git-send-email-boris.ostrovsky@oracle.com>

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

  parent reply	other threads:[~2014-06-10 13:57 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-06 17:44 [PATCH v2 0/6] xen/PMU: PMU support for Xen PV guests Boris Ostrovsky
2014-06-06 17:44 ` [PATCH v2 1/6] xen: xensyms support Boris Ostrovsky
2014-06-10 13:31   ` David Vrabel
2014-06-10 14:49     ` Boris Ostrovsky
2014-06-10 14:51       ` Jan Beulich
2014-06-10 15:03         ` Boris Ostrovsky
2014-06-10 15:21           ` Jan Beulich
2014-06-10 15:45             ` Boris Ostrovsky
2014-06-10 16:13               ` Jan Beulich
2014-06-11  9:37   ` Dietmar Hahn
2014-06-06 17:44 ` [PATCH v2 2/6] xen/PMU: Sysfs interface for setting Xen PMU mode Boris Ostrovsky
2014-06-06 20:19   ` Konrad Rzeszutek Wilk
2014-06-10 13:33     ` David Vrabel
2014-06-10 13:48   ` David Vrabel
2014-06-10 14:52     ` Boris Ostrovsky
2014-06-11 10:13   ` Dietmar Hahn
2014-06-11 12:53     ` Boris Ostrovsky
2014-06-11 13:12       ` Dietmar Hahn
2014-06-06 17:44 ` [PATCH v2 3/6] xen/PMU: Initialization code for Xen PMU Boris Ostrovsky
2014-06-06 18:57   ` Andrew Cooper
2014-06-06 19:51     ` Boris Ostrovsky
2014-06-06 17:44 ` [PATCH v2 4/6] xen/PMU: Describe vendor-specific PMU registers Boris Ostrovsky
2014-06-10 14:11   ` David Vrabel
2014-06-10 15:29     ` Boris Ostrovsky
2014-06-06 17:44 ` [PATCH v2 5/6] xen/PMU: Intercept PMU-related MSR and APIC accesses Boris Ostrovsky
2014-06-12  6:56   ` Dietmar Hahn
2014-06-12 14:50     ` Boris Ostrovsky
2014-06-06 17:44 ` [PATCH v2 6/6] xen/PMU: PMU emulation code Boris Ostrovsky
2014-06-10 13:57 ` David Vrabel [this message]
2014-06-10 15:27   ` [PATCH v2 0/6] xen/PMU: PMU support for Xen PV guests Boris Ostrovsky

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