Messages in this thread | | | Date | Mon, 12 Mar 2012 12:34:40 +0200 | From | Avi Kivity <> | Subject | Re: [PATCH] KVM: VMX: add tracepoint for vpids |
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On 03/12/2012 01:29 PM, Davidlohr Bueso wrote: > 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.
I don't follow. Can you give an example of when this tracepoint would be useful?
-- error compiling committee.c: too many arguments to function
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