Hardware performance counters


I would like to ask if there is a table concerning the hardware performance events that VisionFive2 board supports. I cannot find documentation. Also, how many counters are there for use?

Lastly, does perf utility work properly over Ubuntu? Because it seems that I am getting “not counted” results.


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Getting these to work is super hard on Raspberry too.

You need to be lucky to get a kernel that has them configured properly with what the apt-get gives you.