[PROF-10589] Add internal metrics for GVL profiling performance #3993
+128
−30
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What does this PR do?
This PR introduces the following new internal metrics/counters for the profiler:
Motivation:
These metrics get automatically reported together with profilers, and allow us to keep an eye on/investigate/debug the performance of GVL profiling.
Additional Notes:
I needed to refactor a bit the way we trigger GVL profiling samples; the change is similar to what we were doing with regular cpu/wall-time samples.
How to test the change?
This change includes test coverage.