After writing enough analysis scripts for yourself, your may become
known as an expert to your colleagues, who will want to use your
scripts. Systemtap makes it possible to share in a controlled manner;
to build libraries of scripts that build on each other. In fact, all
of the functions (pid(), etc.) used in the scripts above come
from tapset scripts like that. A ``tapset'' is just a script that
designed for reuse by installation into a special directory.