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    SubjectRe: [PATCH v0 04/71] itrace: Infrastructure for instruction flow tracing units
    Date
    Andi Kleen <andi@firstfloor.org> writes:

    >> So create two events, one for the PT stuff and one to track the
    >> side-band stuff. We have a NOP event for just this purpose.
    >
    > Ok I guess that could work.
    >
    > Essentially replace the magic mmap offset with a second fd.
    >
    > Alex, what do you think?

    Yes, that's what I suggested some time ago in [1]. A second buffer
    (through another fd or otherwise) is an essential thing from my point of
    view.

    [1] http://marc.info/?l=linux-kernel&m=138737306725663

    Regards,
    --
    Alex


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