Messages in this thread | | | Date | Tue, 19 Apr 2022 14:57:14 +0100 | Subject | Re: [PATCH V5 4/8] perf: Add PERF_BR_NEW_ARCH_[N] map for BRBE on arm64 platform | From | James Clark <> |
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On 04/04/2022 05:50, Anshuman Khandual wrote: > 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>
Reviewed-by: James Clark <james.clark@arm.com>
> --- > include/uapi/linux/perf_event.h | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h > index 193dba2ecdc1..4cf1c8e22cab 100644 > --- a/include/uapi/linux/perf_event.h > +++ b/include/uapi/linux/perf_event.h > @@ -282,6 +282,12 @@ enum { > PERF_BR_PRIV_HV = 3, > }; > > +#define PERF_BR_ARM64_FIQ PERF_BR_NEW_ARCH_1 > +#define PERF_BR_ARM64_DEBUG_HALT PERF_BR_NEW_ARCH_2 > +#define PERF_BR_ARM64_DEBUG_EXIT PERF_BR_NEW_ARCH_3 > +#define PERF_BR_ARM64_DEBUG_INST PERF_BR_NEW_ARCH_4 > +#define PERF_BR_ARM64_DEBUG_DATA PERF_BR_NEW_ARCH_5 > + > #define PERF_SAMPLE_BRANCH_PLM_ALL \ > (PERF_SAMPLE_BRANCH_USER|\ > PERF_SAMPLE_BRANCH_KERNEL|\
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