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[Bug 1153769] Re: perf stat problem - cycles event is not supported

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Chris J Arges <1153769@xxxxxxxxxxxxxxxxxx>
Date: Tue, 02 Sep 2014 16:13:03 -0000
Reply-to: Bug 1153769 <1153769@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Closing.
Thanks

** Changed in: linux (Ubuntu)
       Status: Incomplete => Fix Released

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https://bugs.launchpad.net/bugs/1153769

Title:
  perf stat problem - cycles event is not supported

Status in “linux” package in Ubuntu:
  Fix Released

Bug description:
  When running with the latest Natty kernel 2.6.38-16.67, perf stat doesn't work.
  For example:
  # perf stat -e cycles ls
  Error: cycles event is not supported.
  Fatal: Not all events could be opened

  The following relevant messages are found in dmesg:
  [ 0.494517] Performance Events: PEBS fmt1+, Westmere events, Broken BIOS detected, using software events only.
  [ 0.505676] [Firmware Bug]: the BIOS has corrupted hw-PMU resources (MSR 38d is 330)

  This is related to this issue:
  http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03265132&lang=en&cc=us&taskId=101&prodSeriesId=4132829&prodTypeId=3709945

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