PC capture is an IMPLEMENTATION DEFINED extension to the ARMv8 PMUv3 that
allows more precise PC sampling by storing the PC in a separate system
register when an event counter overflow occurs. Reduces skid and allows
sampling when interrupts are disabled (since the PMI is a maskable interrupt
in
PC capture is an IMPLEMENTATION DEFINED extension to the ARMv8 PMUv3 that
allows more precise PC sampling by storing the PC in a separate system
register when an event counter overflow occurs. Reduces skid and allows
sampling when interrupts are disabled (since the PMI is a maskable interrupt
in
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