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    SubjectRe: perf with precise attribute kills all KVM based VMs
    On 7/12/12 10:13 AM, Gleb Natapov wrote:
    > On Thu, Jul 12, 2012 at 07:06:35PM +0300, Gleb Natapov wrote:
    >>>
    >>> So, is the idea of your patch to not enable the PEBS in guest mode?
    >>>
    >> Yes, the idea of my patch is to disable PEBS and the guest entry.
    >>
    > BTW what is you host cpu? My patch works only for those that have global
    > control register to disable PMU events, but that should cover most of
    > moder cpus.

    So far all tests have been done on an HP with 2 Nehalem processors
    (E5540); I have another server with a couple of Westmere's (E5620) that
    I will test at some point.

    David


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