Robin Murphy 65adf71398 perf/arm-cmn: Refactor occupancy filter selector
So far, DNs and HN-Fs have each had one event ralated to occupancy
trackers which are filtered by a separate field. CMN-700 raises the
stakes by introducing two more sets of HN-F events with corresponding
additional filter fields. Prepare for this by refactoring our filter
selection and tracking logic to account for multiple filter types
coexisting on the same node. This need not affect the uAPI, which can
just continue to encode any per-event filter setting in the "occupid"
config field, even if it's technically not the most accurate name for
some of them.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Tested-by: Ilkka Koskinen <ilkka@os.amperecomputing.com>
Link: https://lore.kernel.org/r/1aa47ba0455b144c416537f6b0e58dc93b467a00.1650320598.git.robin.murphy@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
2022-05-06 15:07:25 +01:00
2022-04-17 13:57:31 -07:00

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