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authorfche <fche>2007-10-06 02:42:29 +0000
committerfche <fche>2007-10-06 02:42:29 +0000
commita9e8f7e0533811be2cd7c9a88d9058da8caa1d11 (patch)
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parent9ac6c5a8273dd7133a79517c9cd47b1a66b51c24 (diff)
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PR1119: unused variable elision warnings
2007-10-05 Frank Ch. Eigler <fche@elastic.org> PR 1119 * elaborate.cxx (semantic_pass_opt[12]): Warn on elided variables/functions in user script. * session.h (suppress_warnings): New field. Change "timing" to plain old bool. * main.cxx (main): Configure warnings on by default. * stap.1.in: Document this. PR 1119. * systemtap.base/warnings.*: New test. * futexes.stp, sig_by_proc.stp, small_demos/rwtiming.stp: Fix elision warnings.
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* What's new in version 0.6 / since version 0.5.15?
+- Systemtap will warn you if your script contains unused variables or
+ functions. This is helpful in case of misspelled variables. If it
+ doth protest too much, turn it off with "stap -w ...".
+
- You can add error-handling probes to a script, which are run if a
script was stopped due to errors. In such a case, "end" probes are
not run, but "error" ones are.