ARM: perf: add basic support for Krait CPU PMUs

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Add basic support for the Krait CPU PMU. This allows us to use
the architected functionality of the PMU.

This is based on code originally written by Ashwin Chaugule and
Neil Leeder [1].

[1] https://www.codeaurora.org/cgit/quic/la/kernel/msm/tree/arch/arm/kernel/perf_event_msm_krait.c?h=msm-3.4

Cc: Neil Leeder <nleeder@codeaurora.org>
Cc: Ashwin Chaugule <ashwinc@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>

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Stephen Boyd 2014-02-07 21:01:21 +00:00 • committed by Will Deacon

parent 3a3967ed91

commit 2a3391cdb3

2 changed files with 165 additions and 0 deletions

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arch/arm/kernel/perf_event_cpu.c

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164

arch/arm/kernel/perf_event_v7.c

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