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tracepoint_monitoring

🔍 Runtime inspection with TracePoint​

Leverage TracePoint to hook into Ruby internals (calls, returns, line execution) for profiling or live instrumentation. This low‑level API provides granular control over event handling.

trace = TracePoint.new(:call) do |tp|
  puts "Calling #{tp.method_id} in #{tp.defined_class}"
end

trace.enable
SomeClass.new.some_method
trace.disable