Public bug reported:
== Comment: #0 - Breno Henrique Leitao <[email protected]> - 2017-02-23
11:27:50 ==
Hi Canonical,
In order to enable Ubuntu to read the PMU properly on a POWER9 system,
the following commits are required:
a2391b35f1 powerpc/perf: use is_kernel_addr macro in perf_get_misc_flags()
78a16d9fc1 powerpc/perf: Avoid FAB_*_MATCH checks for power9
8d911904f3 powerpc/perf: Add restrictions to PMC5 in power9 DD1
356d8ce3d0 powerpc/perf: Use Instruction Counter value
8a088542c8 powerpc/perf: Use PM_INST_DISP for generic instructions sample
a114aca57a powerpc/perf: Add alternative event table and function for power9
ac19670eb1 powerpc/perf: Add PM_INST_DISP event to Power9 event list
efe881afdd powerpc/perf: Factor out event_alternative function
We need to have these patches in the kernel if we want to use perf, for
example.
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Taco Screen team (taco-screen-team)
Status: New
** Tags: architecture-ppc64le bugnameltc-151974 severity-high
targetmilestone-inin1704
** Tags added: architecture-ppc64le bugnameltc-151974 severity-high
targetmilestone-inin1704
** Changed in: ubuntu
Assignee: (unassigned) => Taco Screen team (taco-screen-team)
** Package changed: ubuntu => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/1667413
Title:
POWER9: Improve PMU capabilites
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