[Bug runtime/15727] perf probes fail on rawhide

[dsmith at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=15727

David Smith <dsmith at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #2 from David Smith <dsmith at redhat dot com> ---
The kernel hasn't changed/improved, but stap was improved a bit by commit
76d1784.

Perf probe registration warnings now look like:

====
WARNING: perf probe
'perf.type(0).config(2).sample(1000000).process("/discer.farm/es/scratch/dsmith/systemtap/rawhide-64-2/towers.x").counter("")'
is not supported by this kernel (-2).
====

The perf.exp testcase was switched from using hardware perf probes to software
perf probes, which are more widely supported.

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