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NAME | DESCRIPTION | GATHERING MORE INFORMATION | SEE ALSO | COLOPHON |
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ERROR::PASS1(7stap) ERROR::PASS1(7stap)
error::pass1 - systemtap pass-1 errors
Errors that occur during pass 1 (parsing) usually mean a basic
syntax error of some sort occurred in the systemtap script. There
are several classes of problems possible:
plain syntax error
The systemtap script parser detects a large variety of
errors, such as missing operands, bad punctuation. It
tries to list what kinds of tokens it was expecting to see,
and will show the region of the source code with the
problem. Please review the stap(1) man page and/or the
tutorial, to correct the script's syntax.
grammar ambiguities
There is at least one known ambiguity in the systemtap
grammar. It relates to the optionality of ; (semicolon)
separators between statements, and the ++ and --
increment/decrement operators. If the parser indicates an
error, consider adding some explicit ; separators between
nearby statements and try again.
missing command line arguments
A systemtap script that uses the $N and @N constructs for
substituting in command-line options may fail if not enough
options were given on the stap command line.
compatibility changes
Some versions of systemtap have changed the language
incompatibly, for example by adding the try/catch keywords
for exception handling. In such cases, rerun systemtap
with the --compatibility=VERSION option, substituting the
last systemtap version where your script was known to work.
You may also check the release-history NEWS file for
compatibility changes.
Increasing the verbosity of pass-1 with an option such as --vp 1
can help pinpoint the problem.
stap(1),
error::reporting(7stap)
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 systemtap@sourceware.org.
This page was obtained from the project's upstream Git repository
⟨git://sourceware.org/git/systemtap.git⟩ on 2025-08-11. (At that
time, the date of the most recent commit that was found in the
repository was 2025-07-24.) If you discover 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 to
man-pages@man7.org
ERROR::PASS1(7stap)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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