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Instrumentable Events

Currently available packages:

  • wasm:opcode: to instrument Wasm opcodes
  • wasm:func: to instrument Wasm functions
    • currently supports entry and exit
    • future: unwind
  • wasm:block: to instrument Wasm basic blocks

Packages to be added:

  • thread operation events
  • gc operation events
  • memory access (read/write) events
  • table access (read/write) events
  • WASI component operation events, e.g. wasi:http:send_req:alt
  • wasm:begin/wasm:end events
  • traps
  • exception throw/rethrow/catch events