[Bug translator/11424] dwarfless kprobe.* probes don't validate at translate time

[dsmith at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=11424

--- Comment #9 from David Smith <dsmith at redhat dot com> 2012-07-10 16:35:41 UTC ---
(In reply to comment #1)
> This is because kprobe.* probes cannot currently be tested
> for validity at translate time.  If the logic looked through
> a symbol table of some sort, it could work.  It could then
> expand wildcards.
> 
> session.exported_symbols is actually a plausible source of
> such data, even though it's only a subset.  $kernel-builddir/System.map
> is another plausible source.

Thinking about this a bit, System.map would work fine for
kprobe.function("foo"), but wouldn't work for
kprobe.module("module").function("foo"), since System.map only has kernel
symbols.  But, using System.map would still work much better than what we have
now.

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