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[Bug tapsets/13074] Some nfs tapset probes broken under linux 3.1-rc1
- From: "dsmith at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Fri, 11 Jan 2013 22:41:32 +0000
- Subject: [Bug tapsets/13074] Some nfs tapset probes broken under linux 3.1-rc1
- Auto-submitted: auto-generated
- References: <bug-13074-6586@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=13074
--- Comment #5 from David Smith <dsmith at redhat dot com> 2013-01-11 22:41:32 UTC ---
(In reply to comment #4)
> (In reply to comment #3)
> > Mark, got any thoughts as to what is going on here?
>
> In this case $arg, $rest and $msg (local variables) have simple DWARF location
> expressions (basically telling where on the stack they can be found). So they
> are listed. While the actual parameters seem to have more complex location
> descriptions (involving GNU_entry_val) so are deemed inaccessible, so most
> aren't listed.
How difficult would supporting GNU_entry_val be? It seems like it might be the
best way forward, unless you've got other ideas.
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