perf: Add PERF_BR_NEW_ARCH_[N] map for BRBE on arm64 platform
authorAnshuman Khandual <anshuman.khandual@arm.com>
Wed, 24 Aug 2022 04:48:18 +0000 (10:18 +0530)
committerPeter Zijlstra <peterz@infradead.org>
Mon, 29 Aug 2022 07:42:42 +0000 (09:42 +0200)
commitf4054e522531038354bea5c924f286fdd8ae77b5
tree4c142c5892c78f12a7e0b8342ef0a1b7153873bd
parent5402d25aa5710d240040f73fb13d7d5c303ef071
perf: Add PERF_BR_NEW_ARCH_[N] map for BRBE on arm64 platform

BRBE captured branch types will overflow perf_branch_entry.type and generic
branch types in perf_branch_entry.new_type. So override each available arch
specific branch type in the following manner to comprehensively process all
reported branch types in BRBE.

  PERF_BR_ARM64_FIQ            PERF_BR_NEW_ARCH_1
  PERF_BR_ARM64_DEBUG_HALT     PERF_BR_NEW_ARCH_2
  PERF_BR_ARM64_DEBUG_EXIT     PERF_BR_NEW_ARCH_3
  PERF_BR_ARM64_DEBUG_INST     PERF_BR_NEW_ARCH_4
  PERF_BR_ARM64_DEBUG_DATA     PERF_BR_NEW_ARCH_5

Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: James Clark <james.clark@arm.com>
Link: https://lkml.kernel.org/r/20220824044822.70230-5-anshuman.khandual@arm.com
include/uapi/linux/perf_event.h