arm64: pmu: Probe default hw/cache counters

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ARMv8 machines can identify the micro/arch defined counters
that are available on a machine. Add all these counters to the
default armv8 perf map. At run-time disable the counters which
are not available on the given PMU.

Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

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Jeremy Linton 2016-09-14 17:32:30 -05:00 • committed by Will Deacon

parent dbee3a74ef

commit 236b9b91cd

1 changed files with 41 additions and 4 deletions

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arch/arm64/kernel/perf_event.c

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