{"library":"opentelemetry-instrumentation-threading","title":"OpenTelemetry Threading Instrumentation","description":"This library provides instrumentation for Python's built-in `threading` module, ensuring that OpenTelemetry trace context is correctly propagated across threads. It does not produce telemetry data on its own but facilitates the linking of spans across different threads. Currently in beta (version 0.61b0), it is part of the `opentelemetry-python-contrib` project, which maintains a frequent release cadence.","language":"python","status":"active","last_verified":"Tue May 12","install":{"commands":["pip install opentelemetry-instrumentation-threading opentelemetry-sdk opentelemetry-exporter-console"],"cli":null},"imports":["from opentelemetry.instrumentation.threading import ThreadingInstrumentor"],"auth":{"required":false,"env_vars":[]},"quickstart":{"code":"import threading\nfrom opentelemetry import trace\nfrom opentelemetry.sdk.resources import Resource\nfrom opentelemetry.sdk.trace import TracerProvider\nfrom opentelemetry.sdk.trace.export import ConsoleSpanExporter, SimpleSpanProcessor\nfrom opentelemetry.instrumentation.threading import ThreadingInstrumentor\n\n# 1. Set up OpenTelemetry TracerProvider\nresource = Resource.create({\"service.name\": \"my-threaded-app\"})\nprovider = TracerProvider(resource=resource)\nprocessor = SimpleSpanProcessor(ConsoleSpanExporter())\nprovider.add_span_processor(processor)\ntrace.set_tracer_provider(provider)\n\n# 2. Instrument the threading module\nThreadingInstrumentor().instrument()\n\ntracer = trace.get_tracer(__name__)\n\ndef threaded_task():\n    \"A function to be run in a separate thread.\"\n    with tracer.start_as_current_span(\"child-thread-span\") as child_span:\n        print(f\"Inside threaded_task. Active span: {child_span.context.span_id:x}\")\n        # Simulate work\n        import time\n        time.sleep(0.1)\n\nif __name__ == \"__main__\":\n    with tracer.start_as_current_span(\"main-thread-span\") as parent_span:\n        print(f\"Main thread. Active span: {parent_span.context.span_id:x}\")\n\n        my_thread = threading.Thread(target=threaded_task)\n        my_thread.start()\n        my_thread.join()\n\n    print(\"Application finished.\")\n\n# Ensure all spans are exported before exiting\nprovider.shutdown()\n","lang":"python","description":"This quickstart demonstrates how to initialize OpenTelemetry with console export, then apply the `ThreadingInstrumentor`. A parent span is created in the main thread, and a child span is created within a function executed by `threading.Thread`. The instrumentation ensures that the child span correctly references the parent span, illustrating proper context propagation across thread boundaries.","tag":null,"tag_description":null,"last_tested":"2026-04-24","results":[{"runtime":"python:3.10-alpine","exit_code":1},{"runtime":"python:3.10-slim","exit_code":1},{"runtime":"python:3.11-alpine","exit_code":1},{"runtime":"python:3.11-slim","exit_code":1},{"runtime":"python:3.12-alpine","exit_code":1},{"runtime":"python:3.12-slim","exit_code":1},{"runtime":"python:3.13-alpine","exit_code":1},{"runtime":"python:3.13-slim","exit_code":1},{"runtime":"python:3.9-alpine","exit_code":1},{"runtime":"python:3.9-slim","exit_code":1}]},"compatibility":{"tag":"stale","tag_description":"widespread failures or data too old to 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