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    SubjectRe: [RFC] Instrumentation (was Re: 2.6.11-rc1-mm1)
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    On Sun, 2005-01-16 at 20:54 -0500, Karim Yaghmour wrote:

    > If you really want to define layers, then there are actually four
    > layers:
    > 1- hooking mechanism
    > 2- event definition / registration
    > 3- event management infrastructure
    > 4- transport mechanism
    >
    > LTT currently does 1, 2 & 3. Clearly, as in the mail I refered to
    > earlier, there is code in the kernel that already does 1, 2, 3,
    > and 4 in very hardwired/ad-hoc fashion and there isn't anyone asking
    > for them to remove it. We're offering 4 separately and are putting
    > LTT on top of it. If you want to get 1 & 2 separately, have a look
    > at kernel hooks and genevent:

    I know that there is enough code which does x,y,z hardcoded/hardwired
    already.

    Thats the point. Adding another hardwired implementation does not give
    us a possibility to solve the hardwired problem of the already available
    stuff.

    tglx


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