#53122 introduced the feature, this tracks the remaining work.

Code

• Introduce code to not check all 32 slots for every callback (I am thinking about keeping a "max used" index and iterating until that is reached)
• Rename ProfControlBlock::FindNextFreeProfilerInfoSlot to indicate that it has side effects and isn't just a getter
• Potential rename to something besides notification profilers, since they can technically have side effects

Testing

• Stress test profilers attaching and detaching
• Run all runtime tests with notification profiler attached
• Test multiple profilers each with an eventpipe session

Documentation

• Write description of feature
• Write and publish sample to dotnet/samples