[RFC] SystemTap future direction

Frank Ch. Eigler fche@redhat.com
Fri Aug 6 16:50:00 GMT 2010


Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> writes:

> [...]
> So we might better start with useful concrete examples which show
> the actual performance differences between on-line and off-line.

It's also not a matter of mere performance difference.  Sometimes the
data being collected - probes being activated - are themselves a
function of history.  Sometimes action needs to be taken.  Sometimes
tetris needs to be played. :-) These are all beyond offline parsing
approach.

- FChE



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