Messages in this thread | | | Date | Mon, 12 Mar 2012 12:29:41 +0100 | From | Davidlohr Bueso <> | Subject | Re: [PATCH] KVM: VMX: add tracepoint for vpids |
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On Mon, 2012-03-12 at 10:22 +0200, Avi Kivity wrote: > On 03/11/2012 05:57 PM, Davidlohr Bueso wrote: > > From: Davidlohr Bueso <dave@gnu.org> > > > > Add a new tracepoint for vpid allocation and freeing associated to all vCPUs. > > > > Why? >
We have been using this tracepoint for some time now to help debug vpids and simulating tagged TLB behavior and performance. This gets to be non trivial when working with large amounts of guests and vCPUs.
Thanks, Davidlohr
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