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    SubjectRe: [RFC] perf_events: support for uncore a.k.a. nest units
    On Wed, 2010-01-20 at 15:23 -0800, Corey Ashford wrote:
    > If so, that's an interesting idea, but I think it still
    > leaves open the problem of how to actually relate those address to the real
    > hardware, especially in the case of using a hypervisor which has provided you a
    > small subset of the physical hardware in the system.

    Well, I'm tempted to say that's a problem for the virt guys :-)

    One way one could solve that is by having the topology information
    include the virt<->phys map, so that you can find the physical node from
    the virtual cpu number.

    Going to be interesting though, but then, virt seems to be about
    creating problems where there were none before.

     \ /
      Last update: 2010-01-21 09:39    [W:0.020 / U:4.840 seconds]
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