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> Instead I've added random sampling - e.g. if ptr % modulo > level - output it or not.

A good alternative that also cuts down on the amount of data significantly is to strip away temporary allocations, say, only emit those allocations which were alive for at least X seconds.



Ah good idea! It kind of calls for out-of-process to filter this out, or post-process (maybe there is common tooling around).




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