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[Bug runtime/15727] perf probes fail on rawhide
- From: "dsmith at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Thu, 11 Jul 2013 18:37:04 +0000
- Subject: [Bug runtime/15727] perf probes fail on rawhide
- Auto-submitted: auto-generated
- References: <bug-15727-6586 at http dot sourceware dot org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=15727
--- Comment #1 from David Smith <dsmith at redhat dot com> ---
After lots of debugging, I've found that some of the hardware perf probe types
aren't supported, especially on intel-based systems. Verified by running
'perf':
====
# perf stat --event=cpu-cycles ./towers.x
Performance counter stats for './towers.x':
<not supported> cpu-cycles
0.233646211 seconds time elapsed
====
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