perf: arm_spe: Add support for SPEv1.2 inverted event filtering
authorRob Herring <robh@kernel.org>
Mon, 9 Jan 2023 19:26:24 +0000 (13:26 -0600)
committerWill Deacon <will@kernel.org>
Tue, 7 Feb 2023 11:52:00 +0000 (11:52 +0000)
commit8d9190f00a9753ff51f18319d928dedd9a272057
tree340ab5eb38acb5be8c52cd5290c718b61c2d50e5
parent09519ec3b19e4144b5f6e269c54fbb9c294a9fcb
perf: arm_spe: Add support for SPEv1.2 inverted event filtering

Arm SPEv1.2 (Arm v8.7/v9.2) adds a new feature called Inverted Event
Filter which excludes samples matching the event filter. The feature
mirrors the existing event filter in PMSEVFR_EL1 adding a new register,
PMSNEVFR_EL1, which has the same event bit assignments.

Tested-by: James Clark <james.clark@arm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220825-arm-spe-v8-7-v4-8-327f860daf28@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
drivers/perf/arm_spe_pmu.c