RFC: Stack saving/tracing functionality.

[Poul-Henning Kamp]

In message <20050610172746.N16943 at mail.chesapeake.net>, Jeff Roberson writes:

>> A sysctl to enable grepping a backtrace from core-dumping processes
>> would be wonderful as well.
>
>I'm not sure I understand what you mean here?  This is designed to save
>and display kernel stacks while running.

... but it would be neat if it could also save/print userland stacks
so that we could get tracebacks from abort()'ing userland programs.

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Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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