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> Ah, the thread-id idea is clear to me. But may you explain a little > bit about the "nesting level"??
Certainly. The nesting level is a per-thread counter. It is incremented on a probed function entry and decremented upon its return. It is used as an additional index to saved function parameters by. This way, if a recursive function is encountered, we can find the innermost parameters without losing the outer ones.
Best, Jun
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