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[Bug tapsets/10466] stap -L misrepresents variables available to multi-probe aliases


------- Additional Comments From jistone at redhat dot com  2009-10-29 23:29 -------
(In reply to comment #1)
> Created an attachment (id=4336)
 --> (http://sourceware.org/bugzilla/attachment.cgi?id=4336&action=view)
> patch
> 
> It's difficult to discriminate between multi probes like signal.* and one name
> with several expanded probe alias like signal.send. Moreover the variable list
> is in string stream, to make intersection is a little arduous.

It doesn't have to stay as a string stream though.  The probes could instead
keep a set<string> of "name:type", to be reconciled at the higher level.

> Maybe [listing expansions separately] can be a good choice.

I don't think it's right to make the user figure out the common variables...

-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=10466

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