A.9 Performance monitoring signals

Details of the Cortex®‑R8 processor performance monitoring signals.

Table A-32 Performance monitoring signals

Name Type Source/destination Description
PMUEVENTx[55:0] Output Performance Monitoring Unit (PMU) or External Performance Monitoring Unit PMU event bus for the corresponding core.
PMUIRQ[CN:0] Output System Integrity Controller or External Performance Monitoring unit Core interrupt request by system metrics.
PMUPRIV[CN:0] Output External Performance Monitoring Unit

Gives the status of the core:

0b0In user mode.
0b1In privileged mode.


This signal does not provide input to the CoreSight™ trace delivery infrastructure.

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