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ARM Cortex-A76 Core

ARM Cortex-A76 Core
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D7.7 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.
Configurations
There are no configuration notes.
Usage constraints
Any access to PMCCNTSR returns an error if any of the following occurs:
The core power domain is off.
DoubleLockStatus() == TRUE.
D7 PMU snapshot registers
D7.7 PMCCNTSR, PMU Cycle Counter Snapshot Register
100798_0300_00_en Copyright © 2016–2018 Arm Limited or its affiliates. All rights
reserved.
D7-478
Non-Confidential

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