Does the Core PMU and DSU-PMU share the same counters and using them at the same time compromises the results?
For example Core PMU has PMCR_EL0 and DSU-PMU has CLUSTERPMU_PMCR. Is there any relation between both PMU?
# Useful links:
https://developer.arm.com/documentation/102530/0002/Performance-Monitors-Extension-support-?lang=en
https://developer.arm.com/documentation/102547/0100/Performance-Monitors-Extension-support-/External-cluster-PMU-registers?lang=en
Thanks.
No. These are two separate components.