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SubjectRe: [PATCHv2 2/9] KVM: Expose a version 2 architectural PMU to a guests
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On Mon, 2011-11-07 at 17:25 +0200, Gleb Natapov wrote:
> > Since the below programming doesn't use perf_event_attr::pinned, yes.
> >
> Yes, that is on todo :). Actually I do want to place all guest perf
> counters into the same event group and make it pinned. But currently perf
> event groups are not very flexible. In our usage scenario we can't have
> one event as a group leader since events are created and destroyed very
> dynamically. What I would like is to have something like meta event that
> will group all other real event.

Is there a reason to have them grouped if you pin them all anyway?


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