The following sections enumerate the public variables provided by
standard tapsets installed, (the installation path is show in the
stappaths (7) manual page). Each variable is described with a type,
and its behavior/restrictions. The syntax is the same as printed
with the stap option -p2. Examples:
Variable "example1" contains an integer.
Variable "example2" is an array of strings, indexed by
Contains the value of the $# value: the number of command
line arguments passed to the systemtap script. It is
initialized with an implicit begin(-1) probe.
Contains each command line argument as a string. argv will
equal @1 if there was at least one command line argument.
Arguments beyond #32 are not transcribed, and produce a
warning message within the begin(-1) probe that initializes
Simply defined as the number 0.
This page is part of the systemtap (a tracing and live-system
analysis tool) project. Information about the project can be found
at ⟨https://sourceware.org/systemtap/⟩. If you have a bug report for
this manual page, send it to email@example.com. This page was
obtained from the project's upstream Git repository
⟨git://sourceware.org/git/systemtap.git⟩ on 2017-03-13. If you dis‐
cover any rendering problems in this HTML version of the page, or you
believe there is a better or more up-to-date source for the page, or
you have corrections or improvements to the information in this
COLOPHON (which is not part of the original manual page), send a mail