** Changed in: linux (Ubuntu Zesty)
Status: Fix Committed => In Progress
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https://bugs.launchpad.net/bugs/1716491
Title:
New PMU fixes for marked events.
Status in The Ubuntu-power-systems project:
In Progress
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Zesty:
In Progress
Bug description:
== SRU Justification ==
The current Zesty kernel does not enable marked events on Power9. The
following fixes are required:
101dd590a7fa ("powerpc/perf: Avoid spurious PMU interrupts after idle")
09539f9b1236 ("powerpc/perf: POWER9 PMU stops after idle workaround")
Commit 101dd590a7fa was added to mainline in v4.13-rc3 and commit
09539f9b1236
was added in v4.13-rc4.
== Fixes ==
commit 101dd590a7fa37954540cf3149a1c502c0acc524
Author: Nicholas Piggin <npig...@gmail.com>
Date: Mon Jul 10 16:19:38 2017 +1000
powerpc/perf: Avoid spurious PMU interrupts after idle
commit 09539f9b123652e969894d6299ae0df2fe12cb5d
Author: Nicholas Piggin <npig...@gmail.com>
Date: Thu Jul 20 11:53:22 2017 +1000
powerpc/perf: POWER9 PMU stops after idle workaround
== Regression Potential ==
Low, since these commits are specific to powerpc.
Dear Canonical,
Please include the following fixes into Ubuntu Zesty (4.10) kernel.
The current kernel does not enable marked events on Power9. And the
following fixes are required:
09539f9b1236 ("powerpc/perf: POWER9 PMU stops after idle workaround")
101dd590a7fa ("powerpc/perf: Avoid spurious PMU interrupts after idle")
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