whitelist for safe-mode probes (or just a better blacklist?)

[Frank Ch. Eigler]

Martin Hunt <hunt@redhat.com> writes:

> [...]  To guarantee a probe will not crash the kernel it is going to
> be necessary to generate a whitelist of probe points.

Sure, except that this guarantee is only as good as the method used to
generate the whitelist.

> [...]  How would this all work? The whitelist and blacklist would be
> files distributed with Systemtap.  They would be updated
> automatically with a test script. [...]

How do you imagine this test script working?  Could it generate a list
roughly matching the "in-our-experience-so-far-safe" set in a
reasonable timeframe?  (It would not be very helpful if it took months
to run, or resulted in a small list.)

- FChE