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powerpc/perf: Add power12 Base Performance Monitoring support

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Base enablement patch to register performance monitoring hardware
support for power12. Patch introduce the raw event encoding format,
defines the supported list of events, config fields for the event
attributes and their corresponding bit values which are exported via
sysfs.

Signed-off-by: Athira Rajeev <atrajeev@linux.ibm.com>
Signed-off-by: Mahesh Salgaonkar <mahesh@linux.ibm.com>
Tested-by: Praveen K Pandey <praveen@linux.ibm.com>
Reviewed-by: Nikhil Kumar Singh <nikhilks@linux.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20260806051120.3703698-5-mahesh@linux.ibm.com
This commit is contained in:
Athira Rajeev 2026-08-06 10:41:20 +05:30 • committed by Madhavan Srinivasan
commit aca7cf5b1f
5 changed files with 548 additions and 1 deletions
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