This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
artful' to 'verification-done-artful'. If the problem still exists,
change the tag 'verification-needed-artful' to 'verification-failed-
artful'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-artful

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https://bugs.launchpad.net/bugs/1760712

Title:
  perf vendor events arm64: Enable JSON events for ThunderX2 B0

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Artful:
  Fix Committed
Status in linux source package in Bionic:
  Fix Released

Bug description:
  [Impact]
  We enabled ThunderX2 vendor events in LP: #1747523. That was sufficient for 
A2 silicon, but needs an update to recognize B0 silicon.

  [Test Case]
  Successful output on ThunderX2 B0 silicon:
  $ sudo perf list | grep thunderx2
  thunderx2 imp def:
  $

  [Regression Risk]
  This teaches existing code about a new SoC, which should mitigate regressions 
for all other platforms.

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