perf/x86/amd: Make Zen3 branch sampling opt-in

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Add a kernel config option CONFIG_PERF_EVENTS_AMD_BRS
to make the support for AMD Zen3 Branch Sampling (BRS) an opt-in
compile time option.

Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220322221517.2510440-8-eranian@google.com

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Stephane Eranian 2022-03-22 15:15:11 -07:00 • committed by Peter Zijlstra

parent ba2fe75008

commit cc37e520a2

3 changed files with 49 additions and 11 deletions

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8

arch/x86/events/Kconfig

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3

arch/x86/events/amd/Makefile

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51

arch/x86/events/perf_event.h

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