fix(debugger): reduce code origin startup time

Start with a benchmark to measure opportunities for improvements

refs: DEBUG-4605

Author: tylfin

riotfile.py

@@ -663,6 +663,7 @@ def select_pys(min_version: str = MIN_PYTHON_VERSION, max_version: str = MAX_PYT
                 "httpretty": latest,
                 "typing-extensions": latest,
                 "pytest-asyncio": latest,
+                "pytest-benchmark": latest,
             },
             pys=select_pys(),
         ),

tests/debugging/origin/test_span.py

@@ -1,5 +1,6 @@
 from functools import partial
 from pathlib import Path
+import time
 import typing as t
 
 import pytest
@@ -169,3 +170,25 @@ def entry_call():
         assert _exit.get_tag("_dd.code_origin.type") is None
         assert _exit.get_tag("_dd.code_origin.frames.0.file") is None
         assert _exit.get_tag("_dd.code_origin.frames.0.line") is None
+
+
+def test_instrument_view_benchmark(benchmark):
+    """Benchmark instrument_view performance when wrapping functions."""
+    MockSpanCodeOriginProcessorEntry.enable()
+
+    try:
+
+        def setup():
+            """Create a unique function to wrap for each iteration."""
+            func = eval("lambda: None")
+            return (func,), {}
+
+        # Benchmark the wrapping operation
+        benchmark.pedantic(
+            MockSpanCodeOriginProcessorEntry.instrument_view,
+            setup=setup,
+            rounds=100,
+        )
+
+    finally:
+        MockSpanCodeOriginProcessorEntry.disable()