Re: PATCH : LEDs - possibly the most pointless kernel subsystem ever

From: Randolph Bentson (bentson@holmsjoen.com)
Date: Tue Jul 29 2003 - 15:40:46 EST

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
bentson@holmsjoen.com
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