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    SubjectRe: [PATCH 9/18] perfmon2 patch for review: kernel-level interface support
    On Wed, 23 Aug 2006 16:29:59 +0100
    Christoph Hellwig <> wrote:

    > On Wed, Aug 23, 2006 at 01:06:00AM -0700, Stephane Eranian wrote:
    > > This patch contains the kernel-level API support.
    > >
    > >
    > > Some users have requested the ability to create a monitoring session
    > > with perfmon2 from iside the kernel using a kernel thread. Perfmon2
    > > leverages a lot of kernel mechanisms which are not easy to use for
    > > inside the kernel: e.g. file descriptor, signals, system calls.
    > Again, please drop this. There are no planned intree kernel users
    > so far, and once we add them we can architect a proper API for them.
    > Getting rid of this should also help to collapse the tons of useless
    > abstractions layers in the current perfmon code.

    Yes, I think we either need a stronger argument for including this code, or
    we drop it.

    It is especially worrisome that the exports which are added here are plain
    old EXPORT_SYMBOL().

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      Last update: 2006-08-24 01:07    [W:0.020 / U:0.396 seconds]
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