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    SubjectRe: PATCH : LEDs - possibly the most pointless kernel subsystem ever
    On Tue, Jul 29, 2003 at 09:38:52PM +0100, John Bradford wrote:
    > Ah, I just thought, for debugging purposes we could have LEDs for:
    > * BKL taken
    > * Servicing interrupt
    > * Kernel stack usage > 2K

    In the way olden days we used the console lights for a realtime
    display of buffer use on a PDP-11. This type of realtime display
    can be most useful, especially if it's easily configurable.

    Randolph Bentson
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