[Bug translator/19216] New: kprobe.module("MOD").function("FOO") doesn't work on out of tree modules

[dsmith at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=19216

            Bug ID: 19216
           Summary: kprobe.module("MOD").function("FOO") doesn't work on
                    out of tree modules
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
          Assignee: systemtap at sourceware dot org
          Reporter: dsmith at redhat dot com
  Target Milestone: ---

While working on bug #19186, I've found that
'kprobe.module("MODULE").function("FOO")' probes don't work when MODULE is out
of the kernel tree. If you try this, you get a probe registration error on all
the probes on the module:

   WARNING: probe  registration error (symbol not found)

(Note that we need to fix the warning message and actually include the probe
name.)

We've got a test case for testing kprobe.module
(testsuite/systemtap.base/kmodule.exp) that tests kprobe.module on in-tree
modules, and we've got a test case for testing regular dwarf-based probes on
out-of-tree modules (testsuite/systemtap.base/modules_out_of_tree.exp), but we
don't have the combination of the two. It shouldn't be hard to add an extra
test to modules_out_of_tree.exp.

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