The user is asking about annotating JITed (Just-In-Time compiled) code for performance analysis tools like perf or samply.
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To annotate JITed code for tools like perf or samply, you need to provide additional information to help these tools understand the JITed code. One common approach is to use the perf map file format, which allows JIT engines to communicate the mapping between JITed code addresses and symbolic names. You can generate a 'jitdump' file that contains information about the JITed code, including the code's address, size, and symbolic name. This file can be used by perf and other tools to provide more informative profiling results.
Key Takeaways
Use the perf map file format to communicate JITed code information to perf/samply
Generate a 'jitdump' file containing JITed code metadata
Ensure the JIT engine is configured to output the necessary information
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