This discussion has been locked.
You can no longer post new replies to this discussion. If you have a question you can start a new discussion

Is Arm Core PMU and DSU_PMU the same hardware component?

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.

Parents Reply Children
No data