How can i check CPU cache misses in Jetson NX

I use linux perf tool to check my cache misses, but the value is very weird. Because no matter i use CPU-bound or IO-bound process, the cache misses rate is the same.
Does anyone face this question before?
Or is there any another way to check cache misses status?

Not sure what your use-case is. For checking CPU usage, we generally run sudo tegrastats. It shows status of hardware engines such as CPUs, GPU, NVENC, etc.

Thanks reply~
But I want to check performance monitor unit event(like cache misses rate)to make some programming decision XD. I think tegrastats can’t show about PMU event at all.

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