perf / DWARF bug - is this something to do with the new DWARF format?

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https://bugzilla.redhat.com/show_bug.cgi?id=1963865

I can't get stack traces using --call-graph=dwarf information working
in Rawhide at the moment.  It seems as if perf doesn't understand the
new debuginfo information.

I find this whole area to be incredibly confusing and opaque.  For
example, how do I find out what dwarf version was used to generate the
debuginfo and what version perf understands?

But my main question is: Is there some simple change to perf that is
needed to fix this?  Or is it user error?

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
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