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    SubjectRe: [UPDATED PATCH] Re: [Lse-tech] Re: [Patch 7/7] Generic netlink interface (delay accounting)
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    On Fri, 2006-10-03 at 09:53 -0500, jamal wrote:

    >
    > a) shipping of the taskstats from kernel to user-space asynchronously to
    > all listeners on multicast channel/group TASKSTATS_LISTEN_GRP
    > at the point when some process exits.
    > b) responding to queries issued by the user to the kernel for taskstats
    > of a particular defined tgid and/or pid combination.
    >
    > Did i summarize your goals correctly?
    >
    > So lets stat with #b:
    > i) the message is multicast; there has to be a user space app registered
    > to the multicast group otherwise nothing goes to user space.

    I mispoke:
    The above applies to #a.
    For #b, the message from/to kernel to user is unicast.


    cheers,
    jamal


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