[Bug translator/11800] New: clarify stap -l "PROBE1,PROBE2,PROBE3" usage

[fche at redhat dot com]

Due to awareness of an implementation artefact, some zany people
have started using stap -l/-L with a series of probe points rather
than one.  A few may be creative enough to inject ! and ? punctuation
too.  This may have happened to work because this happened to be
implemented by -p2-evaluation of 'probe $1 {}'.

Nay, says the man page.  It promises satisfaction for just one
probe element.

Enter bug #11443 and commit 7972c9 et al.  These broke some of the
former assumptions, and some of the testsuite/systemtap.examples
test_check predicates.

Too bad, say I.  Let's document and assert that -l/-L takes only
a single solitary probe point.  And change the test_check tests
to use individual stap -l PROBE1 && stap -l PROBE2 calls.

OR

Let's document and support the status quo ante, restoring these
crazy test_check widgets to their former inimitable glory.

-- 
           Summary: clarify stap -l "PROBE1,PROBE2,PROBE3" usage
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: fche at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=11800

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