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libsa: Add tslog support for arm64

Description

libsa: Add tslog support for arm64

The original code only supported x86 and used rdtsc(); we now also
support arm64 and use the CNTVCT_EL0 special register.

Details

Provenance
cpercivaAuthored on Jun 24 2021, 5:21 AM
Parents
rGccadcb8f3343: arm64: Instrument initarm with TSLOG
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