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w10-1 3 days ago

This is built on a Linux sampling API that offers more accuracy, but it is still sampling.

For CPU tracing, with no sampling errors, use Apple’s M4 with the latest Xcode’s Instruments.

parttimenerd 3 days ago | parent [-]

(author here)

Xcode doesn't know about Java's internals, so it doesn't know about Java frames, although it can help with native traces.