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    SubjectRe: [RFC] Revised CKRM release

    On Thu, Apr 29, 2004 at 04:25:21AM -0400, Shailabh Nagar wrote:
    > The Class-based Resource Management project is happy to release the
    > first bits of a working prototype following a major revision of its
    > interface and internal organization.
    >
    > The basic concepts and motivation of CKRM remain the same as described
    > in the overview at http://ckrm.sf.net. Privileged users can define
    > classes consisting of groups of kernel objects (currently tasks and
    > sockets) and specify shares for these classes. Resource controllers,
    > which are independent of each other, can regulate and monitor the
    > resources consumed by classes e.g the CPU controller will control the
    > CPU time received by a class etc. Optional classification engines,
    > implemented as kernel modules, can assist in the automatic
    > classification of the kernel objects (tasks/sockets currently) into
    > classes.

    Cool!

    > New in this release are the following:
    >
    > rbce.ckrm-E12:
    >
    > Two classification engines (CE) to assist in automatic classification
    > of tasks and sockets. The first one, rbce, implements a rule-based
    > classification engine which is generic enough for most users. The
    > second, called crbce, is a variant of rbce which additionally provides
    > information on significant kernel events (where a task/socket could
    > get reclassified) to userspace as well as reports per-process wait
    > times for cpu, memory, io etc. Such information can be used by user
    > level tools to reclassify tasks to new classes, change class shares
    > etc.

    It sounds to me the classification engine can be moved to userspace?

    Such "classification" sounds a better suited to be done there.

    Note: I haven't read the code yet.
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