[PROF-7192] Minor: Extend stack collector to be able to record the alloc-samples metric #2618
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What does this PR do?:
This PR enables an additional "value type" attached to profiling samples -- the
alloc-samples
metric. This will be used to expose more profiling information in follow-up PRs.Motivation:
I've extracted this from a bigger branch, but this is in good shape for merging already.
Additional Notes:
(N/A)
How to test the change?:
Change includes test coverage.