Messages in this thread | | | Date | Wed, 11 Sep 2013 10:33:49 +0100 | From | David Vrabel <> | Subject | Re: [Xen-devel] [PATCH v1 0/5] xen/PMU: PMU support for Xen PV guests |
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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
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