PMCCNTSR, PMU Cycle Counter Snapshot Register
The PMCCNTSR is a captured copy of PMCCNTR_EL0.
Once it is captured, the value in PMCCNTSR is unaffected by writes to PMCCNTR_EL0 and PMCR_EL0.C.
There are no configuration notes.
Any access to PMCCNTSR returns an error if any of the following occurs:
- The core power domain is off.
- DoubleLockStatus() == TRUE.