[Bug gprofng/32147] New: [collect app] support external debug info and debuginfod

[kiwixz at outlook dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=32147

            Bug ID: 32147
           Summary: [collect app] support external debug info and
                    debuginfod
           Product: binutils
           Version: unspecified
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: P2
         Component: gprofng
          Assignee: vladimir.mezentsev at oracle dot com
          Reporter: kiwixz at outlook dot com
  Target Milestone: ---

It seems that gprofng only looks for debuginfo inlined in the ELF.
It would be nice if it could look up inside the /usr/lib/debug/.build-id
folder, or even better, automatically fetch whatever is needed with debuginfod.

I'm not sure if that's supposed to be already supported, but a quick browsing
around the code seems to suggest it's not.

One could hope this also helps fixing Bug 30194.

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