[Bug uprobes/27975] could systemtap probe user process running in docker(overlay2 fs)?

["fche at redhat dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=27975

Frank Ch. Eigler <fche at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2021-06-10
             Status|UNCONFIRMED                 |WAITING
                 CC|                            |fche at redhat dot com

--- Comment #1 from Frank Ch. Eigler <fche at redhat dot com> ---
Consider trying the probe-by-buildid mechanism added recently:

    probe process("deadbeefdeadbeef").FOO { }
instead of
    probe process("/path/to/binary").FOO { }

... where deadbeef is simply the hexadecimal buildid for the target binary, as
printed by "file" or "readelf -n".

Your RHEL7 version of stap is much too old for that, but maybe you can get hold
of RH DTS builds, or build your own from upstream sources / RPMs, this should
work.

Otherwise, yeah, path name based matching is known to be difficult when there
are many names for the same binary, and from different containers' points of
view.

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