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    SubjectRe: [RFC] [PATCH 0/5] Teach perf tool to profile sleep times (V4)
    On 6/4/12 5:40 AM, Peter Zijlstra wrote:

    > And as a result you need that hideous prev_state crap.
    >
    >
    > Would something like the below work?
    >
    > The one thing I'm not entirely sure of is if this is a sekjoerity issue
    > or not.. anybody? I would think a task was entitled to know who woke it
    > and wherefrom etc..

    Frederic had some comments on this topic in the last round:

    http://thread.gmane.org/gmane.linux.kernel/1195368/focus=1195959

    > We should probably avoid the remote callchains, sounds like asking
    for complications everywhere.

    Do they still apply? Frederic?

    -Arun


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