[Runtime] Jump stubs appear as `?!?` in ETL traces
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area-Diagnostics-coreclr
enhancement
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- C++
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Description
Since we have been analyzing performance on x64 and arm64, one of things that shows up is `?!?` which we believe are the jump stubs. The `?!?` appears because there is no associated name/dll with the dynamically generated native code.
However, we could fire an ETW event and have perfview recognize it.
Below is an example of `?!?`:
cc @davidwrighton
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