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fix(serverless): add base_service tag for serverless#17238

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gh-worker-dd-mergequeue-cf854d[bot] merged 7 commits intomainfrom
zarir/base_service_serverless
Apr 9, 2026
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fix(serverless): add base_service tag for serverless#17238
gh-worker-dd-mergequeue-cf854d[bot] merged 7 commits intomainfrom
zarir/base_service_serverless

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@zarirhamza
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@zarirhamza zarirhamza commented Mar 31, 2026

Overview

Fixes _dd.base_service handling for AWS Lambda environments in the Python tracer, enabling service remapping rules to work on Lambda spans and ensuring trace stats contain a meaningful base_service.

Changes

ddtrace/internal/settings/_config.py — When DD_SERVICE is not configured and the tracer is running in AWS Lambda, config.service is now automatically set from AWS_LAMBDA_FUNCTION_NAME. This mirrors existing GCP (K_SERVICE) and Azure (WEBSITE_SITE_NAME) auto-detection behavior.

ddtrace/internal/schema/processor.py — Removes the Lambda-specific early exit from BaseServiceProcessor. Previously, the processor skipped all Lambda spans to avoid unhelpful base_service values from the runtime. Now that the service is correctly resolved from the function name, the processor runs normally and _dd.base_service is properly attached to spans.

Testing

Existing serverless system tests pass (ALB, API Gateway HTTP/REST, Function URL).

Risks

Low. The change only affects Lambda environments where DD_SERVICE is not explicitly set. The resolved service name (AWS_LAMBDA_FUNCTION_NAME) matches what the extension already uses for extension-based languages, ensuring consistency across runtimes.

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cit-pr-commenter-54b7da Bot commented Mar 31, 2026

Codeowners resolved as

ddtrace/internal/schema/processor.py                                    @DataDog/apm-core-python @DataDog/apm-idm-python
ddtrace/internal/settings/_config.py                                    @DataDog/python-guild @DataDog/apm-sdk-capabilities-python
releasenotes/notes/serverless-base-service-lambda-b3c9f1e2d4a58701.yaml  @DataDog/apm-python
tests/internal/service_name/test_processor.py                           @DataDog/apm-core-python
tests/tracer/test_tracer.py                                             @DataDog/apm-sdk-capabilities-python @DataDog/apm-core-python

When DD_SERVICE is not set on Lambda, config.service was inferred as
"runtime" from /var/runtime/ in sys.argv. This caused base_service to
show "runtime" instead of a useful value. Add a Lambda-specific
fallback using AWS_LAMBDA_FUNCTION_NAME, matching the existing pattern
for GCP and Azure functions.

Made-with: Cursor
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pr-commenter Bot commented Apr 3, 2026

Performance SLOs

Comparing candidate zarir/base_service_serverless (1fd7a04) with baseline main (a8cce63)

📈 Performance Regressions (2 suites)
📈 iastaspects - 118/118

✅ add_aspect

Time: ✅ 102.728µs (SLO: <130.000µs 📉 -21.0%) vs baseline: -0.1%

Memory: ✅ 43.847MB (SLO: <46.000MB -4.7%) vs baseline: +5.1%


✅ add_inplace_aspect

Time: ✅ 101.587µs (SLO: <130.000µs 📉 -21.9%) vs baseline: -1.6%

Memory: ✅ 43.860MB (SLO: <46.000MB -4.7%) vs baseline: +5.0%


✅ add_inplace_noaspect

Time: ✅ 28.248µs (SLO: <40.000µs 📉 -29.4%) vs baseline: ~same

Memory: ✅ 43.885MB (SLO: <46.000MB -4.6%) vs baseline: +5.1%


✅ add_noaspect

Time: ✅ 48.913µs (SLO: <70.000µs 📉 -30.1%) vs baseline: ~same

Memory: ✅ 43.854MB (SLO: <46.000MB -4.7%) vs baseline: +5.2%


✅ bytearray_aspect

Time: ✅ 259.230µs (SLO: <400.000µs 📉 -35.2%) vs baseline: ~same

Memory: ✅ 43.813MB (SLO: <46.000MB -4.8%) vs baseline: +5.1%


✅ bytearray_extend_aspect

Time: ✅ 655.889µs (SLO: <800.000µs 📉 -18.0%) vs baseline: +1.3%

Memory: ✅ 43.822MB (SLO: <46.000MB -4.7%) vs baseline: +5.0%


✅ bytearray_extend_noaspect

Time: ✅ 275.189µs (SLO: <400.000µs 📉 -31.2%) vs baseline: +4.5%

Memory: ✅ 43.835MB (SLO: <46.000MB -4.7%) vs baseline: +5.4%


✅ bytearray_noaspect

Time: ✅ 144.025µs (SLO: <300.000µs 📉 -52.0%) vs baseline: +1.2%

Memory: ✅ 43.945MB (SLO: <46.000MB -4.5%) vs baseline: +5.4%


✅ bytes_aspect

Time: ✅ 222.564µs (SLO: <300.000µs 📉 -25.8%) vs baseline: -0.6%

Memory: ✅ 43.888MB (SLO: <46.000MB -4.6%) vs baseline: +5.1%


✅ bytes_noaspect

Time: ✅ 134.447µs (SLO: <200.000µs 📉 -32.8%) vs baseline: -1.9%

Memory: ✅ 43.940MB (SLO: <46.000MB -4.5%) vs baseline: +5.5%


✅ bytesio_aspect

Time: ✅ 3.847ms (SLO: <5.000ms 📉 -23.1%) vs baseline: +0.5%

Memory: ✅ 43.827MB (SLO: <46.000MB -4.7%) vs baseline: +5.0%


✅ bytesio_noaspect

Time: ✅ 317.799µs (SLO: <420.000µs 📉 -24.3%) vs baseline: -1.1%

Memory: ✅ 43.862MB (SLO: <46.000MB -4.6%) vs baseline: +5.1%


✅ capitalize_aspect

Time: ✅ 88.033µs (SLO: <300.000µs 📉 -70.7%) vs baseline: -0.7%

Memory: ✅ 43.875MB (SLO: <46.000MB -4.6%) vs baseline: +5.3%


✅ capitalize_noaspect

Time: ✅ 265.043µs (SLO: <300.000µs 📉 -11.7%) vs baseline: +3.5%

Memory: ✅ 43.986MB (SLO: <46.000MB -4.4%) vs baseline: +5.9%


✅ casefold_aspect

Time: ✅ 87.935µs (SLO: <500.000µs 📉 -82.4%) vs baseline: ~same

Memory: ✅ 43.924MB (SLO: <46.000MB -4.5%) vs baseline: +5.4%


✅ casefold_noaspect

Time: ✅ 313.433µs (SLO: <500.000µs 📉 -37.3%) vs baseline: +0.6%

Memory: ✅ 43.884MB (SLO: <46.000MB -4.6%) vs baseline: +5.4%


✅ decode_aspect

Time: ✅ 87.393µs (SLO: <100.000µs 📉 -12.6%) vs baseline: +0.4%

Memory: ✅ 43.847MB (SLO: <46.000MB -4.7%) vs baseline: +5.0%


✅ decode_noaspect

Time: ✅ 155.971µs (SLO: <210.000µs 📉 -25.7%) vs baseline: ~same

Memory: ✅ 43.905MB (SLO: <46.000MB -4.6%) vs baseline: +5.5%


✅ encode_aspect

Time: ✅ 84.783µs (SLO: <200.000µs 📉 -57.6%) vs baseline: +0.3%

Memory: ✅ 43.829MB (SLO: <46.000MB -4.7%) vs baseline: +4.9%


✅ encode_noaspect

Time: ✅ 144.337µs (SLO: <200.000µs 📉 -27.8%) vs baseline: +0.7%

Memory: ✅ 43.923MB (SLO: <46.000MB -4.5%) vs baseline: +5.4%


✅ format_aspect

Time: ✅ 14.627ms (SLO: <19.200ms 📉 -23.8%) vs baseline: +0.1%

Memory: ✅ 43.928MB (SLO: <46.000MB -4.5%) vs baseline: +5.4%


✅ format_map_aspect

Time: ✅ 16.389ms (SLO: <21.500ms 📉 -23.8%) vs baseline: -0.2%

Memory: ✅ 43.889MB (SLO: <46.000MB -4.6%) vs baseline: +5.0%


✅ format_map_noaspect

Time: ✅ 370.004µs (SLO: <500.000µs 📉 -26.0%) vs baseline: -2.6%

Memory: ✅ 43.813MB (SLO: <46.000MB -4.8%) vs baseline: +5.1%


✅ format_noaspect

Time: ✅ 317.008µs (SLO: <500.000µs 📉 -36.6%) vs baseline: -0.7%

Memory: ✅ 43.902MB (SLO: <46.000MB -4.6%) vs baseline: +5.3%


✅ index_aspect

Time: ✅ 140.763µs (SLO: <300.000µs 📉 -53.1%) vs baseline: 📈 +11.3%

Memory: ✅ 43.862MB (SLO: <46.000MB -4.6%) vs baseline: +5.3%


✅ index_noaspect

Time: ✅ 40.557µs (SLO: <300.000µs 📉 -86.5%) vs baseline: -0.1%

Memory: ✅ 43.746MB (SLO: <46.000MB -4.9%) vs baseline: +5.1%


✅ join_aspect

Time: ✅ 206.247µs (SLO: <300.000µs 📉 -31.3%) vs baseline: -5.7%

Memory: ✅ 43.903MB (SLO: <46.000MB -4.6%) vs baseline: +5.6%


✅ join_noaspect

Time: ✅ 140.852µs (SLO: <300.000µs 📉 -53.0%) vs baseline: -2.7%

Memory: ✅ 43.886MB (SLO: <46.000MB -4.6%) vs baseline: +5.3%


✅ ljust_aspect

Time: ✅ 495.107µs (SLO: <700.000µs 📉 -29.3%) vs baseline: -4.8%

Memory: ✅ 43.909MB (SLO: <46.000MB -4.5%) vs baseline: +5.2%


✅ ljust_noaspect

Time: ✅ 280.830µs (SLO: <300.000µs -6.4%) vs baseline: +3.6%

Memory: ✅ 43.902MB (SLO: <46.000MB -4.6%) vs baseline: +5.2%


✅ lower_aspect

Time: ✅ 307.998µs (SLO: <500.000µs 📉 -38.4%) vs baseline: -1.8%

Memory: ✅ 43.944MB (SLO: <46.000MB -4.5%) vs baseline: +5.3%


✅ lower_noaspect

Time: ✅ 245.330µs (SLO: <300.000µs 📉 -18.2%) vs baseline: +1.3%

Memory: ✅ 43.846MB (SLO: <46.000MB -4.7%) vs baseline: +5.3%


✅ lstrip_aspect

Time: ✅ 0.283ms (SLO: <3.000ms 📉 -90.6%) vs baseline: +1.4%

Memory: ✅ 43.885MB (SLO: <46.000MB -4.6%) vs baseline: +5.6%


✅ lstrip_noaspect

Time: ✅ 0.179ms (SLO: <3.000ms 📉 -94.0%) vs baseline: +0.6%

Memory: ✅ 43.882MB (SLO: <46.000MB -4.6%) vs baseline: +5.5%


✅ modulo_aspect

Time: ✅ 14.261ms (SLO: <18.750ms 📉 -23.9%) vs baseline: ~same

Memory: ✅ 43.905MB (SLO: <46.000MB -4.6%) vs baseline: +5.4%


✅ modulo_aspect_for_bytearray_bytearray

Time: ✅ 14.799ms (SLO: <19.350ms 📉 -23.5%) vs baseline: ~same

Memory: ✅ 44.022MB (SLO: <46.000MB -4.3%) vs baseline: +5.2%


✅ modulo_aspect_for_bytes

Time: ✅ 14.347ms (SLO: <18.900ms 📉 -24.1%) vs baseline: -0.4%

Memory: ✅ 43.859MB (SLO: <46.000MB -4.7%) vs baseline: +5.1%


✅ modulo_aspect_for_bytes_bytearray

Time: ✅ 14.596ms (SLO: <19.150ms 📉 -23.8%) vs baseline: -0.1%

Memory: ✅ 43.950MB (SLO: <46.000MB -4.5%) vs baseline: +5.0%


✅ modulo_noaspect

Time: ✅ 0.368ms (SLO: <3.000ms 📉 -87.7%) vs baseline: -1.4%

Memory: ✅ 43.851MB (SLO: <46.000MB -4.7%) vs baseline: +5.7%


✅ replace_aspect

Time: ✅ 18.391ms (SLO: <24.000ms 📉 -23.4%) vs baseline: +0.1%

Memory: ✅ 43.933MB (SLO: <46.000MB -4.5%) vs baseline: +5.2%


✅ replace_noaspect

Time: ✅ 285.204µs (SLO: <400.000µs 📉 -28.7%) vs baseline: -0.9%

Memory: ✅ 43.902MB (SLO: <46.000MB -4.6%) vs baseline: +5.6%


✅ repr_aspect

Time: ✅ 318.829µs (SLO: <420.000µs 📉 -24.1%) vs baseline: -1.9%

Memory: ✅ 43.849MB (SLO: <46.000MB -4.7%) vs baseline: +5.1%


✅ repr_noaspect

Time: ✅ 46.582µs (SLO: <90.000µs 📉 -48.2%) vs baseline: -0.9%

Memory: ✅ 43.854MB (SLO: <46.000MB -4.7%) vs baseline: +4.9%


✅ rstrip_aspect

Time: ✅ 387.094µs (SLO: <500.000µs 📉 -22.6%) vs baseline: +0.2%

Memory: ✅ 43.906MB (SLO: <46.000MB -4.6%) vs baseline: +5.5%


✅ rstrip_noaspect

Time: ✅ 188.045µs (SLO: <300.000µs 📉 -37.3%) vs baseline: +3.1%

Memory: ✅ 43.748MB (SLO: <46.000MB -4.9%) vs baseline: +5.3%


✅ slice_aspect

Time: ✅ 184.985µs (SLO: <300.000µs 📉 -38.3%) vs baseline: +0.5%

Memory: ✅ 43.827MB (SLO: <46.000MB -4.7%) vs baseline: +5.0%


✅ slice_noaspect

Time: ✅ 53.653µs (SLO: <90.000µs 📉 -40.4%) vs baseline: -1.1%

Memory: ✅ 43.813MB (SLO: <46.000MB -4.8%) vs baseline: +5.0%


✅ stringio_aspect

Time: ✅ 4.468ms (SLO: <5.000ms 📉 -10.6%) vs baseline: 📈 +14.9%

Memory: ✅ 43.790MB (SLO: <46.000MB -4.8%) vs baseline: +4.9%


✅ stringio_noaspect

Time: ✅ 351.513µs (SLO: <500.000µs 📉 -29.7%) vs baseline: -0.4%

Memory: ✅ 43.922MB (SLO: <46.000MB -4.5%) vs baseline: +5.3%


✅ strip_aspect

Time: ✅ 273.338µs (SLO: <350.000µs 📉 -21.9%) vs baseline: -0.5%

Memory: ✅ 43.869MB (SLO: <46.000MB -4.6%) vs baseline: +5.5%


✅ strip_noaspect

Time: ✅ 179.779µs (SLO: <240.000µs 📉 -25.1%) vs baseline: +1.7%

Memory: ✅ 43.748MB (SLO: <46.000MB -4.9%) vs baseline: +5.0%


✅ swapcase_aspect

Time: ✅ 338.438µs (SLO: <500.000µs 📉 -32.3%) vs baseline: -2.9%

Memory: ✅ 43.998MB (SLO: <46.000MB -4.4%) vs baseline: +5.6%


✅ swapcase_noaspect

Time: ✅ 280.790µs (SLO: <400.000µs 📉 -29.8%) vs baseline: +1.4%

Memory: ✅ 43.870MB (SLO: <46.000MB -4.6%) vs baseline: +5.1%


✅ title_aspect

Time: ✅ 330.790µs (SLO: <500.000µs 📉 -33.8%) vs baseline: -1.1%

Memory: ✅ 43.846MB (SLO: <46.000MB -4.7%) vs baseline: +5.2%


✅ title_noaspect

Time: ✅ 263.898µs (SLO: <400.000µs 📉 -34.0%) vs baseline: -0.7%

Memory: ✅ 43.827MB (SLO: <46.000MB -4.7%) vs baseline: +5.1%


✅ translate_aspect

Time: ✅ 513.411µs (SLO: <700.000µs 📉 -26.7%) vs baseline: +1.8%

Memory: ✅ 43.860MB (SLO: <46.000MB -4.7%) vs baseline: +5.4%


✅ translate_noaspect

Time: ✅ 431.642µs (SLO: <500.000µs 📉 -13.7%) vs baseline: +1.3%

Memory: ✅ 43.925MB (SLO: <46.000MB -4.5%) vs baseline: +5.0%


✅ upper_aspect

Time: ✅ 309.597µs (SLO: <500.000µs 📉 -38.1%) vs baseline: -0.2%

Memory: ✅ 43.847MB (SLO: <46.000MB -4.7%) vs baseline: +5.1%


✅ upper_noaspect

Time: ✅ 245.153µs (SLO: <400.000µs 📉 -38.7%) vs baseline: +2.4%

Memory: ✅ 43.843MB (SLO: <46.000MB -4.7%) vs baseline: +5.5%


📈 iastaspectsospath - 24/24

✅ ospathbasename_aspect

Time: ✅ 531.291µs (SLO: <700.000µs 📉 -24.1%) vs baseline: 📈 +22.2%

Memory: ✅ 43.876MB (SLO: <46.000MB -4.6%) vs baseline: +5.5%


✅ ospathbasename_noaspect

Time: ✅ 443.450µs (SLO: <700.000µs 📉 -36.6%) vs baseline: -0.8%

Memory: ✅ 43.853MB (SLO: <46.000MB -4.7%) vs baseline: +5.7%


✅ ospathjoin_aspect

Time: ✅ 639.611µs (SLO: <700.000µs -8.6%) vs baseline: +1.2%

Memory: ✅ 43.818MB (SLO: <46.000MB -4.7%) vs baseline: +5.5%


✅ ospathjoin_noaspect

Time: ✅ 652.314µs (SLO: <700.000µs -6.8%) vs baseline: +1.1%

Memory: ✅ 43.821MB (SLO: <46.000MB -4.7%) vs baseline: +5.2%


✅ ospathnormcase_aspect

Time: ✅ 364.935µs (SLO: <700.000µs 📉 -47.9%) vs baseline: +3.5%

Memory: ✅ 43.953MB (SLO: <46.000MB -4.4%) vs baseline: +5.6%


✅ ospathnormcase_noaspect

Time: ✅ 368.680µs (SLO: <700.000µs 📉 -47.3%) vs baseline: +2.5%

Memory: ✅ 43.920MB (SLO: <46.000MB -4.5%) vs baseline: +5.5%


✅ ospathsplit_aspect

Time: ✅ 503.918µs (SLO: <700.000µs 📉 -28.0%) vs baseline: +0.6%

Memory: ✅ 43.799MB (SLO: <46.000MB -4.8%) vs baseline: +5.3%


✅ ospathsplit_noaspect

Time: ✅ 507.182µs (SLO: <700.000µs 📉 -27.5%) vs baseline: -0.4%

Memory: ✅ 43.920MB (SLO: <46.000MB -4.5%) vs baseline: +5.5%


✅ ospathsplitdrive_aspect

Time: ✅ 385.902µs (SLO: <700.000µs 📉 -44.9%) vs baseline: +0.7%

Memory: ✅ 43.915MB (SLO: <46.000MB -4.5%) vs baseline: +5.5%


✅ ospathsplitdrive_noaspect

Time: ✅ 72.833µs (SLO: <700.000µs 📉 -89.6%) vs baseline: -0.6%

Memory: ✅ 43.960MB (SLO: <46.000MB -4.4%) vs baseline: +5.6%


✅ ospathsplitext_aspect

Time: ✅ 480.908µs (SLO: <700.000µs 📉 -31.3%) vs baseline: +3.6%

Memory: ✅ 43.843MB (SLO: <46.000MB -4.7%) vs baseline: +5.3%


✅ ospathsplitext_noaspect

Time: ✅ 485.974µs (SLO: <700.000µs 📉 -30.6%) vs baseline: +2.1%

Memory: ✅ 43.897MB (SLO: <46.000MB -4.6%) vs baseline: +5.5%

🟡 Near SLO Breach (5 suites)
🟡 djangosimple - 30/30

✅ appsec

Time: ✅ 19.669ms (SLO: <22.300ms 📉 -11.8%) vs baseline: ~same

Memory: ✅ 69.363MB (SLO: <73.500MB -5.6%) vs baseline: +5.1%


✅ exception-replay-enabled

Time: ✅ 1.366ms (SLO: <1.450ms -5.8%) vs baseline: +0.1%

Memory: ✅ 67.751MB (SLO: <71.500MB -5.2%) vs baseline: +5.4%


✅ iast

Time: ✅ 19.800ms (SLO: <22.250ms 📉 -11.0%) vs baseline: +0.3%

Memory: ✅ 69.442MB (SLO: <75.000MB -7.4%) vs baseline: +5.1%


✅ profiler

Time: ✅ 15.108ms (SLO: <16.550ms -8.7%) vs baseline: ~same

Memory: ✅ 60.006MB (SLO: <61.000MB 🟡 -1.6%) vs baseline: +5.4%


✅ resource-renaming

Time: ✅ 19.669ms (SLO: <21.750ms -9.6%) vs baseline: +0.3%

Memory: ✅ 69.492MB (SLO: <73.500MB -5.5%) vs baseline: +5.4%


✅ span-code-origin

Time: ✅ 20.045ms (SLO: <28.200ms 📉 -28.9%) vs baseline: +0.8%

Memory: ✅ 69.383MB (SLO: <75.000MB -7.5%) vs baseline: +5.1%


✅ tracer

Time: ✅ 19.795ms (SLO: <21.750ms -9.0%) vs baseline: +0.9%

Memory: ✅ 69.363MB (SLO: <75.000MB -7.5%) vs baseline: +5.2%


✅ tracer-and-profiler

Time: ✅ 20.963ms (SLO: <23.500ms 📉 -10.8%) vs baseline: -0.2%

Memory: ✅ 71.310MB (SLO: <75.000MB -4.9%) vs baseline: +5.0%


✅ tracer-dont-create-db-spans

Time: ✅ 19.734ms (SLO: <21.500ms -8.2%) vs baseline: -0.2%

Memory: ✅ 69.393MB (SLO: <75.000MB -7.5%) vs baseline: +5.2%


✅ tracer-minimal

Time: ✅ 16.708ms (SLO: <17.500ms -4.5%) vs baseline: +0.3%

Memory: ✅ 69.363MB (SLO: <75.000MB -7.5%) vs baseline: +5.3%


✅ tracer-native

Time: ✅ 19.697ms (SLO: <21.750ms -9.4%) vs baseline: +0.9%

Memory: ✅ 69.442MB (SLO: <72.500MB -4.2%) vs baseline: +5.3%


✅ tracer-no-caches

Time: ✅ 17.498ms (SLO: <19.650ms 📉 -11.0%) vs baseline: ~same

Memory: ✅ 69.422MB (SLO: <75.000MB -7.4%) vs baseline: +5.3%


✅ tracer-no-databases

Time: ✅ 19.250ms (SLO: <20.100ms -4.2%) vs baseline: -0.4%

Memory: ✅ 69.412MB (SLO: <75.000MB -7.5%) vs baseline: +5.2%


✅ tracer-no-middleware

Time: ✅ 19.437ms (SLO: <21.500ms -9.6%) vs baseline: ~same

Memory: ✅ 69.383MB (SLO: <75.000MB -7.5%) vs baseline: +5.2%


✅ tracer-no-templates

Time: ✅ 19.630ms (SLO: <22.000ms 📉 -10.8%) vs baseline: +0.9%

Memory: ✅ 69.363MB (SLO: <73.500MB -5.6%) vs baseline: +5.0%


🟡 otelspan - 22/22

✅ add-event

Time: ✅ 40.452ms (SLO: <47.150ms 📉 -14.2%) vs baseline: -1.1%

Memory: ✅ 41.237MB (SLO: <47.000MB 📉 -12.3%) vs baseline: +5.5%


✅ add-metrics

Time: ✅ 235.165ms (SLO: <344.800ms 📉 -31.8%) vs baseline: +0.2%

Memory: ✅ 45.756MB (SLO: <47.500MB -3.7%) vs baseline: +5.4%


✅ add-tags

Time: ✅ 279.519ms (SLO: <330.000ms 📉 -15.3%) vs baseline: +2.5%

Memory: ✅ 45.662MB (SLO: <47.500MB -3.9%) vs baseline: +5.2%


✅ get-context

Time: ✅ 83.800ms (SLO: <92.350ms -9.3%) vs baseline: +0.2%

Memory: ✅ 41.504MB (SLO: <46.500MB 📉 -10.7%) vs baseline: +5.3%


✅ is-recording

Time: ✅ 38.948ms (SLO: <44.500ms 📉 -12.5%) vs baseline: -0.7%

Memory: ✅ 41.128MB (SLO: <47.500MB 📉 -13.4%) vs baseline: +5.4%


✅ record-exception

Time: ✅ 60.968ms (SLO: <67.650ms -9.9%) vs baseline: ~same

Memory: ✅ 41.769MB (SLO: <47.000MB 📉 -11.1%) vs baseline: +5.3%


✅ set-status

Time: ✅ 45.203ms (SLO: <50.400ms 📉 -10.3%) vs baseline: ~same

Memory: ✅ 41.083MB (SLO: <47.000MB 📉 -12.6%) vs baseline: +5.5%


✅ start

Time: ✅ 39.965ms (SLO: <44.500ms 📉 -10.2%) vs baseline: +3.4%

Memory: ✅ 41.139MB (SLO: <47.000MB 📉 -12.5%) vs baseline: +5.6%


✅ start-finish

Time: ✅ 89.878ms (SLO: <91.000ms 🟡 -1.2%) vs baseline: -0.2%

Memory: ✅ 38.633MB (SLO: <46.500MB 📉 -16.9%) vs baseline: +5.1%


✅ start-finish-telemetry

Time: ✅ 91.453ms (SLO: <92.000ms 🟡 -0.6%) vs baseline: -0.1%

Memory: ✅ 38.692MB (SLO: <46.500MB 📉 -16.8%) vs baseline: +5.2%


✅ update-name

Time: ✅ 40.152ms (SLO: <45.150ms 📉 -11.1%) vs baseline: -0.7%

Memory: ✅ 41.197MB (SLO: <47.000MB 📉 -12.3%) vs baseline: +5.7%


🟡 samplingrules - 8/8

✅ average_match

Time: ✅ 169.139µs (SLO: <290.000µs 📉 -41.7%) vs baseline: ~same

Memory: ✅ 36.137MB (SLO: <38.000MB -4.9%) vs baseline: +5.0%


✅ high_match

Time: ✅ 215.686µs (SLO: <480.000µs 📉 -55.1%) vs baseline: -0.3%

Memory: ✅ 36.235MB (SLO: <38.000MB -4.6%) vs baseline: +5.2%


✅ low_match

Time: ✅ 119.840µs (SLO: <120.000µs 🟡 -0.1%) vs baseline: +0.4%

Memory: ✅ 701.629MB (SLO: <780.000MB 📉 -10.0%) vs baseline: +4.9%


✅ very_low_match

Time: ✅ 3.120ms (SLO: <8.500ms 📉 -63.3%) vs baseline: +0.2%

Memory: ✅ 78.763MB (SLO: <85.000MB -7.3%) vs baseline: +5.0%


🟡 span - 26/26

✅ add-event

Time: ✅ 19.541ms (SLO: <22.500ms 📉 -13.2%) vs baseline: -1.7%

Memory: ✅ 38.433MB (SLO: <53.000MB 📉 -27.5%) vs baseline: +5.7%


✅ add-metrics

Time: ✅ 89.229ms (SLO: <93.500ms -4.6%) vs baseline: -1.0%

Memory: ✅ 42.880MB (SLO: <53.000MB 📉 -19.1%) vs baseline: +5.2%


✅ add-tags

Time: ✅ 147.752ms (SLO: <155.000ms -4.7%) vs baseline: -0.2%

Memory: ✅ 42.906MB (SLO: <53.000MB 📉 -19.0%) vs baseline: +5.5%


✅ get-context

Time: ✅ 18.794ms (SLO: <20.500ms -8.3%) vs baseline: -1.0%

Memory: ✅ 38.348MB (SLO: <53.000MB 📉 -27.6%) vs baseline: +5.5%


✅ is-recording

Time: ✅ 18.875ms (SLO: <20.500ms -7.9%) vs baseline: -1.2%

Memory: ✅ 38.326MB (SLO: <53.000MB 📉 -27.7%) vs baseline: +5.6%


✅ record-exception

Time: ✅ 38.456ms (SLO: <41.000ms -6.2%) vs baseline: -0.4%

Memory: ✅ 38.917MB (SLO: <53.000MB 📉 -26.6%) vs baseline: +5.9%


✅ set-status

Time: ✅ 20.660ms (SLO: <22.000ms -6.1%) vs baseline: -1.0%

Memory: ✅ 38.367MB (SLO: <53.000MB 📉 -27.6%) vs baseline: +5.5%


✅ start

Time: ✅ 19.740ms (SLO: <20.500ms -3.7%) vs baseline: +4.1%

Memory: ✅ 38.328MB (SLO: <53.000MB 📉 -27.7%) vs baseline: +5.7%


✅ start-finish

Time: ✅ 58.177ms (SLO: <58.500ms 🟡 -0.6%) vs baseline: -0.4%

Memory: ✅ 36.196MB (SLO: <38.000MB -4.7%) vs baseline: +5.4%


✅ start-finish-telemetry

Time: ✅ 59.109ms (SLO: <60.000ms 🟡 -1.5%) vs baseline: -0.9%

Memory: ✅ 36.235MB (SLO: <38.000MB -4.6%) vs baseline: +5.4%


✅ start-finish-traceid128

Time: ✅ 60.602ms (SLO: <62.000ms -2.3%) vs baseline: -0.5%

Memory: ✅ 36.255MB (SLO: <38.000MB -4.6%) vs baseline: +5.5%


✅ start-traceid128

Time: ✅ 18.664ms (SLO: <22.500ms 📉 -17.1%) vs baseline: -2.1%

Memory: ✅ 38.284MB (SLO: <53.000MB 📉 -27.8%) vs baseline: +5.5%


✅ update-name

Time: ✅ 19.269ms (SLO: <22.000ms 📉 -12.4%) vs baseline: -1.7%

Memory: ✅ 38.404MB (SLO: <53.000MB 📉 -27.5%) vs baseline: +5.2%


🟡 tracer - 6/6

✅ large

Time: ✅ 33.154ms (SLO: <32.950ms +0.6%) vs baseline: -0.2%

Memory: ✅ 37.788MB (SLO: <39.250MB -3.7%) vs baseline: +6.4%


✅ medium

Time: ✅ 3.341ms (SLO: <3.500ms -4.6%) vs baseline: +0.5%

Memory: ✅ 36.235MB (SLO: <38.750MB -6.5%) vs baseline: +5.5%


✅ small

Time: ✅ 384.975µs (SLO: <390.000µs 🟡 -1.3%) vs baseline: +3.4%

Memory: ✅ 36.156MB (SLO: <38.750MB -6.7%) vs baseline: +5.3%

⚠️ Unstable Tests (2 suites)
⚠️ coreapiscenario - 10/10 (1 unstable)

⚠️ context_with_data_listeners

Time: ⚠️ 13.585µs (SLO: <20.000µs 📉 -32.1%) vs baseline: ~same

Memory: ✅ 36.235MB (SLO: <38.000MB -4.6%) vs baseline: +5.3%


✅ context_with_data_no_listeners

Time: ✅ 3.635µs (SLO: <10.000µs 📉 -63.6%) vs baseline: +0.7%

Memory: ✅ 36.215MB (SLO: <38.000MB -4.7%) vs baseline: +5.1%


✅ get_item_exists

Time: ✅ 0.577µs (SLO: <10.000µs 📉 -94.2%) vs baseline: -1.7%

Memory: ✅ 36.274MB (SLO: <38.000MB -4.5%) vs baseline: +5.3%


✅ get_item_missing

Time: ✅ 0.636µs (SLO: <10.000µs 📉 -93.6%) vs baseline: +0.3%

Memory: ✅ 36.215MB (SLO: <38.000MB -4.7%) vs baseline: +5.1%


✅ set_item

Time: ✅ 24.554µs (SLO: <30.000µs 📉 -18.2%) vs baseline: +0.9%

Memory: ✅ 36.235MB (SLO: <38.000MB -4.6%) vs baseline: +5.5%


⚠️ packagesupdateimporteddependencies - 24/24 (1 unstable)

✅ import_many

Time: ✅ 156.431µs (SLO: <170.000µs -8.0%) vs baseline: +0.7%

Memory: ✅ 41.382MB (SLO: <46.000MB 📉 -10.0%) vs baseline: +5.8%


✅ import_many_cached

Time: ✅ 121.201µs (SLO: <130.000µs -6.8%) vs baseline: -0.9%

Memory: ✅ 41.728MB (SLO: <46.000MB -9.3%) vs baseline: +6.4%


✅ import_many_stdlib

Time: ✅ 0.798ms (SLO: <1.750ms 📉 -54.4%) vs baseline: -0.3%

Memory: ✅ 41.116MB (SLO: <46.000MB 📉 -10.6%) vs baseline: +4.7%


⚠️ import_many_stdlib_cached

Time: ⚠️ 0.187ms (SLO: <1.100ms 📉 -83.0%) vs baseline: +0.2%

Memory: ✅ 41.368MB (SLO: <46.000MB 📉 -10.1%) vs baseline: +5.6%


✅ import_many_unknown

Time: ✅ 825.676µs (SLO: <890.000µs -7.2%) vs baseline: -0.9%

Memory: ✅ 41.515MB (SLO: <46.000MB -9.8%) vs baseline: +4.8%


✅ import_many_unknown_cached

Time: ✅ 795.743µs (SLO: <870.000µs -8.5%) vs baseline: +0.4%

Memory: ✅ 41.624MB (SLO: <46.000MB -9.5%) vs baseline: +4.9%


✅ import_one

Time: ✅ 19.956µs (SLO: <30.000µs 📉 -33.5%) vs baseline: +0.5%

Memory: ✅ 41.541MB (SLO: <46.000MB -9.7%) vs baseline: +5.8%


✅ import_one_cache

Time: ✅ 6.302µs (SLO: <10.000µs 📉 -37.0%) vs baseline: +0.2%

Memory: ✅ 40.847MB (SLO: <46.000MB 📉 -11.2%) vs baseline: +3.3%


✅ import_one_stdlib

Time: ✅ 18.802µs (SLO: <20.000µs -6.0%) vs baseline: +0.6%

Memory: ✅ 41.150MB (SLO: <46.000MB 📉 -10.5%) vs baseline: +3.8%


✅ import_one_stdlib_cache

Time: ✅ 6.349µs (SLO: <10.000µs 📉 -36.5%) vs baseline: +0.4%

Memory: ✅ 41.319MB (SLO: <46.000MB 📉 -10.2%) vs baseline: +5.0%


✅ import_one_unknown

Time: ✅ 45.509µs (SLO: <50.000µs -9.0%) vs baseline: -0.3%

Memory: ✅ 41.268MB (SLO: <46.000MB 📉 -10.3%) vs baseline: +5.7%


✅ import_one_unknown_cache

Time: ✅ 6.319µs (SLO: <10.000µs 📉 -36.8%) vs baseline: ~same

Memory: ✅ 41.534MB (SLO: <43.000MB -3.4%) vs baseline: +6.3%

✅ All Tests Passing (16 suites)
codeprovenancefork - 2/2

✅ fork-10

Time: ✅ 2.184s (SLO: <2.300s -5.0%) vs baseline: +2.5%

Memory: ✅ 17.380MB (SLO: <20.000MB 📉 -13.1%) vs baseline: +5.1%


errortrackingdjangosimple - 6/6

✅ errortracking-enabled-all

Time: ✅ 16.146ms (SLO: <19.850ms 📉 -18.7%) vs baseline: -0.3%

Memory: ✅ 68.832MB (SLO: <75.000MB -8.2%) vs baseline: +5.0%


✅ errortracking-enabled-user

Time: ✅ 16.203ms (SLO: <19.400ms 📉 -16.5%) vs baseline: +0.1%

Memory: ✅ 68.970MB (SLO: <75.000MB -8.0%) vs baseline: +5.1%


✅ tracer-enabled

Time: ✅ 16.242ms (SLO: <19.450ms 📉 -16.5%) vs baseline: ~same

Memory: ✅ 68.793MB (SLO: <75.000MB -8.3%) vs baseline: +5.0%


errortrackingflasksqli - 6/6

✅ errortracking-enabled-all

Time: ✅ 2.120ms (SLO: <2.300ms -7.8%) vs baseline: +0.4%

Memory: ✅ 56.600MB (SLO: <60.000MB -5.7%) vs baseline: +5.7%


✅ errortracking-enabled-user

Time: ✅ 2.129ms (SLO: <2.250ms -5.4%) vs baseline: +0.5%

Memory: ✅ 56.391MB (SLO: <60.000MB -6.0%) vs baseline: +5.3%


✅ tracer-enabled

Time: ✅ 2.120ms (SLO: <2.300ms -7.8%) vs baseline: +0.3%

Memory: ✅ 56.225MB (SLO: <60.000MB -6.3%) vs baseline: +4.9%


flasksimple - 18/18

✅ appsec-get

Time: ✅ 3.417ms (SLO: <4.750ms 📉 -28.1%) vs baseline: ~same

Memory: ✅ 56.560MB (SLO: <66.500MB 📉 -14.9%) vs baseline: +5.4%


✅ appsec-post

Time: ✅ 2.899ms (SLO: <6.750ms 📉 -57.1%) vs baseline: ~same

Memory: ✅ 56.520MB (SLO: <66.500MB 📉 -15.0%) vs baseline: +5.5%


✅ appsec-telemetry

Time: ✅ 3.428ms (SLO: <4.750ms 📉 -27.8%) vs baseline: +0.9%

Memory: ✅ 56.584MB (SLO: <66.500MB 📉 -14.9%) vs baseline: +5.6%


✅ debugger

Time: ✅ 1.881ms (SLO: <2.000ms -5.9%) vs baseline: ~same

Memory: ✅ 49.444MB (SLO: <51.500MB -4.0%) vs baseline: +6.2%


✅ iast-get

Time: ✅ 1.870ms (SLO: <2.000ms -6.5%) vs baseline: -0.2%

Memory: ✅ 46.043MB (SLO: <49.000MB -6.0%) vs baseline: +5.7%


✅ profiler

Time: ✅ 1.911ms (SLO: <2.100ms -9.0%) vs baseline: ~same

Memory: ✅ 51.979MB (SLO: <53.500MB -2.8%) vs baseline: +5.7%


✅ resource-renaming

Time: ✅ 3.382ms (SLO: <3.650ms -7.3%) vs baseline: ~same

Memory: ✅ 56.624MB (SLO: <60.000MB -5.6%) vs baseline: +5.6%


✅ tracer

Time: ✅ 3.396ms (SLO: <3.650ms -7.0%) vs baseline: ~same

Memory: ✅ 56.579MB (SLO: <60.000MB -5.7%) vs baseline: +5.6%


✅ tracer-native

Time: ✅ 3.407ms (SLO: <3.650ms -6.7%) vs baseline: +0.5%

Memory: ✅ 56.521MB (SLO: <60.000MB -5.8%) vs baseline: +5.5%


flasksqli - 6/6

✅ appsec-enabled

Time: ✅ 2.118ms (SLO: <4.200ms 📉 -49.6%) vs baseline: ~same

Memory: ✅ 56.351MB (SLO: <66.000MB 📉 -14.6%) vs baseline: +5.0%


✅ iast-enabled

Time: ✅ 2.120ms (SLO: <2.800ms 📉 -24.3%) vs baseline: ~same

Memory: ✅ 56.310MB (SLO: <62.500MB -9.9%) vs baseline: +4.9%


✅ tracer-enabled

Time: ✅ 2.114ms (SLO: <2.250ms -6.0%) vs baseline: +0.2%

Memory: ✅ 56.362MB (SLO: <60.000MB -6.1%) vs baseline: +5.1%


forktime - 4/4

✅ baseline

Time: ✅ 1.945ms (SLO: <3.000ms 📉 -35.2%) vs baseline: +3.7%

Memory: ✅ 29.295MB (SLO: <33.000MB 📉 -11.2%) vs baseline: +5.0%


✅ configured

Time: ✅ 8.837ms (SLO: <13.000ms 📉 -32.0%) vs baseline: ~same

Memory: ✅ 56.478MB (SLO: <60.000MB -5.9%) vs baseline: +5.6%


httppropagationextract - 60/60

✅ all_styles_all_headers

Time: ✅ 80.469µs (SLO: <100.000µs 📉 -19.5%) vs baseline: +5.2%

Memory: ✅ 36.235MB (SLO: <38.000MB -4.6%) vs baseline: +5.1%


✅ b3_headers

Time: ✅ 12.885µs (SLO: <20.000µs 📉 -35.6%) vs baseline: +1.2%

Memory: ✅ 36.313MB (SLO: <38.000MB -4.4%) vs baseline: +5.3%


✅ b3_single_headers

Time: ✅ 11.937µs (SLO: <20.000µs 📉 -40.3%) vs baseline: +1.1%

Memory: ✅ 36.274MB (SLO: <38.000MB -4.5%) vs baseline: +5.3%


✅ datadog_tracecontext_tracestate_not_propagated_on_trace_id_no_match

Time: ✅ 60.838µs (SLO: <80.000µs 📉 -24.0%) vs baseline: +0.7%

Memory: ✅ 36.274MB (SLO: <38.000MB -4.5%) vs baseline: +5.4%


✅ datadog_tracecontext_tracestate_propagated_on_trace_id_match

Time: ✅ 64.050µs (SLO: <80.000µs 📉 -19.9%) vs baseline: +0.8%

Memory: ✅ 36.294MB (SLO: <38.000MB -4.5%) vs baseline: +5.4%


✅ empty_headers

Time: ✅ 1.301µs (SLO: <10.000µs 📉 -87.0%) vs baseline: -0.8%

Memory: ✅ 36.255MB (SLO: <38.000MB -4.6%) vs baseline: +5.1%


✅ full_t_id_datadog_headers

Time: ✅ 21.637µs (SLO: <30.000µs 📉 -27.9%) vs baseline: +0.3%

Memory: ✅ 36.235MB (SLO: <38.000MB -4.6%) vs baseline: +5.3%


✅ invalid_priority_header

Time: ✅ 5.886µs (SLO: <10.000µs 📉 -41.1%) vs baseline: +0.2%

Memory: ✅ 36.255MB (SLO: <38.000MB -4.6%) vs baseline: +5.1%


✅ invalid_span_id_header

Time: ✅ 5.922µs (SLO: <10.000µs 📉 -40.8%) vs baseline: +0.6%

Memory: ✅ 36.235MB (SLO: <38.000MB -4.6%) vs baseline: +5.2%


✅ invalid_tags_header

Time: ✅ 5.917µs (SLO: <10.000µs 📉 -40.8%) vs baseline: -0.2%

Memory: ✅ 36.333MB (SLO: <38.000MB -4.4%) vs baseline: +5.5%


✅ invalid_trace_id_header

Time: ✅ 5.941µs (SLO: <10.000µs 📉 -40.6%) vs baseline: -0.4%

Memory: ✅ 36.274MB (SLO: <38.000MB -4.5%) vs baseline: +5.4%


✅ large_header_no_matches

Time: ✅ 27.105µs (SLO: <30.000µs -9.6%) vs baseline: +0.8%

Memory: ✅ 36.196MB (SLO: <38.000MB -4.7%) vs baseline: +4.9%


✅ large_valid_headers_all

Time: ✅ 28.109µs (SLO: <40.000µs 📉 -29.7%) vs baseline: +0.2%

Memory: ✅ 36.235MB (SLO: <38.000MB -4.6%) vs baseline: +5.3%


✅ medium_header_no_matches

Time: ✅ 9.295µs (SLO: <20.000µs 📉 -53.5%) vs baseline: +0.3%

Memory: ✅ 36.313MB (SLO: <38.000MB -4.4%) vs baseline: +5.4%


✅ medium_valid_headers_all

Time: ✅ 10.619µs (SLO: <20.000µs 📉 -46.9%) vs baseline: -0.1%

Memory: ✅ 36.294MB (SLO: <38.000MB -4.5%) vs baseline: +5.3%


✅ none_propagation_style

Time: ✅ 1.390µs (SLO: <10.000µs 📉 -86.1%) vs baseline: -0.4%

Memory: ✅ 36.235MB (SLO: <38.000MB -4.6%) vs baseline: +5.0%


✅ tracecontext_headers

Time: ✅ 32.814µs (SLO: <40.000µs 📉 -18.0%) vs baseline: +0.4%

Memory: ✅ 36.235MB (SLO: <38.000MB -4.6%) vs baseline: +5.5%


✅ valid_headers_all

Time: ✅ 5.893µs (SLO: <10.000µs 📉 -41.1%) vs baseline: +0.5%

Memory: ✅ 36.235MB (SLO: <38.000MB -4.6%) vs baseline: +5.0%


✅ valid_headers_basic

Time: ✅ 5.475µs (SLO: <10.000µs 📉 -45.3%) vs baseline: -0.2%

Memory: ✅ 36.235MB (SLO: <38.000MB -4.6%) vs baseline: +5.3%


✅ wsgi_empty_headers

Time: ✅ 1.300µs (SLO: <10.000µs 📉 -87.0%) vs baseline: -0.1%

Memory: ✅ 36.274MB (SLO: <38.000MB -4.5%) vs baseline: +5.4%


✅ wsgi_invalid_priority_header

Time: ✅ 5.913µs (SLO: <10.000µs 📉 -40.9%) vs baseline: -0.3%

Memory: ✅ 36.274MB (SLO: <38.000MB -4.5%) vs baseline: +5.2%


✅ wsgi_invalid_span_id_header

Time: ✅ 1.296µs (SLO: <10.000µs 📉 -87.0%) vs baseline: -0.6%

Memory: ✅ 36.372MB (SLO: <38.000MB -4.3%) vs baseline: +5.6%


✅ wsgi_invalid_tags_header

Time: ✅ 5.949µs (SLO: <10.000µs 📉 -40.5%) vs baseline: -0.1%

Memory: ✅ 36.313MB (SLO: <38.000MB -4.4%) vs baseline: +5.5%


✅ wsgi_invalid_trace_id_header

Time: ✅ 5.957µs (SLO: <10.000µs 📉 -40.4%) vs baseline: -0.4%

Memory: ✅ 36.215MB (SLO: <38.000MB -4.7%) vs baseline: +5.0%


✅ wsgi_large_header_no_matches

Time: ✅ 28.143µs (SLO: <40.000µs 📉 -29.6%) vs baseline: +0.3%

Memory: ✅ 36.294MB (SLO: <38.000MB -4.5%) vs baseline: +5.2%


✅ wsgi_large_valid_headers_all

Time: ✅ 29.208µs (SLO: <40.000µs 📉 -27.0%) vs baseline: +0.5%

Memory: ✅ 36.255MB (SLO: <38.000MB -4.6%) vs baseline: +5.3%


✅ wsgi_medium_header_no_matches

Time: ✅ 9.468µs (SLO: <20.000µs 📉 -52.7%) vs baseline: +0.5%

Memory: ✅ 36.313MB (SLO: <38.000MB -4.4%) vs baseline: +5.3%


✅ wsgi_medium_valid_headers_all

Time: ✅ 11.108µs (SLO: <20.000µs 📉 -44.5%) vs baseline: +1.0%

Memory: ✅ 36.255MB (SLO: <38.000MB -4.6%) vs baseline: +5.3%


✅ wsgi_valid_headers_all

Time: ✅ 5.952µs (SLO: <10.000µs 📉 -40.5%) vs baseline: +0.4%

Memory: ✅ 36.255MB (SLO: <38.000MB -4.6%) vs baseline: +5.1%


✅ wsgi_valid_headers_basic

Time: ✅ 5.515µs (SLO: <10.000µs 📉 -44.8%) vs baseline: +0.5%

Memory: ✅ 36.196MB (SLO: <38.000MB -4.7%) vs baseline: +5.1%


httppropagationinject - 16/16

✅ ids_only

Time: ✅ 20.855µs (SLO: <30.000µs 📉 -30.5%) vs baseline: +3.7%

Memory: ✅ 36.255MB (SLO: <38.000MB -4.6%) vs baseline: +5.2%


✅ with_all

Time: ✅ 27.126µs (SLO: <40.000µs 📉 -32.2%) vs baseline: +0.7%

Memory: ✅ 36.196MB (SLO: <38.000MB -4.7%) vs baseline: +5.3%


✅ with_dd_origin

Time: ✅ 23.855µs (SLO: <30.000µs 📉 -20.5%) vs baseline: -0.9%

Memory: ✅ 36.313MB (SLO: <38.000MB -4.4%) vs baseline: +5.5%


✅ with_priority_and_origin

Time: ✅ 23.344µs (SLO: <40.000µs 📉 -41.6%) vs baseline: -0.7%

Memory: ✅ 36.294MB (SLO: <38.000MB -4.5%) vs baseline: +5.4%


✅ with_sampling_priority

Time: ✅ 20.095µs (SLO: <30.000µs 📉 -33.0%) vs baseline: ~same

Memory: ✅ 36.274MB (SLO: <38.000MB -4.5%) vs baseline: +5.1%


✅ with_tags

Time: ✅ 25.127µs (SLO: <40.000µs 📉 -37.2%) vs baseline: ~same

Memory: ✅ 36.392MB (SLO: <38.000MB -4.2%) vs baseline: +5.5%


✅ with_tags_invalid

Time: ✅ 26.656µs (SLO: <40.000µs 📉 -33.4%) vs baseline: +0.1%

Memory: ✅ 36.313MB (SLO: <38.000MB -4.4%) vs baseline: +5.4%


✅ with_tags_max_size

Time: ✅ 25.714µs (SLO: <40.000µs 📉 -35.7%) vs baseline: -0.3%

Memory: ✅ 36.176MB (SLO: <38.000MB -4.8%) vs baseline: +4.6%


iastaspectssplit - 12/12

✅ rsplit_aspect

Time: ✅ 164.425µs (SLO: <250.000µs 📉 -34.2%) vs baseline: +4.7%

Memory: ✅ 43.762MB (SLO: <46.000MB -4.9%) vs baseline: +5.3%


✅ rsplit_noaspect

Time: ✅ 162.400µs (SLO: <250.000µs 📉 -35.0%) vs baseline: +0.2%

Memory: ✅ 43.731MB (SLO: <46.000MB -4.9%) vs baseline: +5.2%


✅ split_aspect

Time: ✅ 155.325µs (SLO: <250.000µs 📉 -37.9%) vs baseline: +0.8%

Memory: ✅ 43.849MB (SLO: <46.000MB -4.7%) vs baseline: +5.5%


✅ split_noaspect

Time: ✅ 162.768µs (SLO: <250.000µs 📉 -34.9%) vs baseline: +1.5%

Memory: ✅ 43.778MB (SLO: <46.000MB -4.8%) vs baseline: +5.0%


✅ splitlines_aspect

Time: ✅ 151.014µs (SLO: <250.000µs 📉 -39.6%) vs baseline: +2.6%

Memory: ✅ 43.784MB (SLO: <46.000MB -4.8%) vs baseline: +4.9%


✅ splitlines_noaspect

Time: ✅ 152.880µs (SLO: <250.000µs 📉 -38.8%) vs baseline: -1.5%

Memory: ✅ 43.811MB (SLO: <46.000MB -4.8%) vs baseline: +5.5%


iastpropagation - 8/8

✅ no-propagation

Time: ✅ 48.809µs (SLO: <60.000µs 📉 -18.7%) vs baseline: +1.1%

Memory: ✅ 39.990MB (SLO: <42.000MB -4.8%) vs baseline: +5.4%


✅ propagation_enabled

Time: ✅ 133.958µs (SLO: <190.000µs 📉 -29.5%) vs baseline: ~same

Memory: ✅ 40.128MB (SLO: <42.000MB -4.5%) vs baseline: +5.6%


✅ propagation_enabled_100

Time: ✅ 1.552ms (SLO: <2.300ms 📉 -32.5%) vs baseline: ~same

Memory: ✅ 40.010MB (SLO: <42.000MB -4.7%) vs baseline: +5.4%


✅ propagation_enabled_1000

Time: ✅ 28.992ms (SLO: <34.550ms 📉 -16.1%) vs baseline: -0.3%

Memory: ✅ 40.029MB (SLO: <42.000MB -4.7%) vs baseline: +5.7%


otelsdkspan - 24/24

✅ add-event

Time: ✅ 40.447ms (SLO: <42.000ms -3.7%) vs baseline: -0.7%

Memory: ✅ 39.027MB (SLO: <40.750MB -4.2%) vs baseline: +6.2%


✅ add-link

Time: ✅ 36.386ms (SLO: <38.550ms -5.6%) vs baseline: -0.9%

Memory: ✅ 39.046MB (SLO: <40.750MB -4.2%) vs baseline: +6.2%


✅ add-metrics

Time: ✅ 220.511ms (SLO: <232.000ms -5.0%) vs baseline: -0.2%

Memory: ✅ 39.007MB (SLO: <40.750MB -4.3%) vs baseline: +5.8%


✅ add-tags

Time: ✅ 210.978ms (SLO: <221.600ms -4.8%) vs baseline: -0.9%

Memory: ✅ 39.046MB (SLO: <40.750MB -4.2%) vs baseline: +6.1%


✅ get-context

Time: ✅ 29.165ms (SLO: <31.300ms -6.8%) vs baseline: +0.6%

Memory: ✅ 39.086MB (SLO: <40.750MB -4.1%) vs baseline: +6.4%


✅ is-recording

Time: ✅ 29.240ms (SLO: <31.000ms -5.7%) vs baseline: +0.3%

Memory: ✅ 38.909MB (SLO: <40.750MB -4.5%) vs baseline: +5.8%


✅ record-exception

Time: ✅ 63.415ms (SLO: <65.850ms -3.7%) vs baseline: -0.5%

Memory: ✅ 39.046MB (SLO: <40.750MB -4.2%) vs baseline: +6.0%


✅ set-status

Time: ✅ 32.110ms (SLO: <34.150ms -6.0%) vs baseline: +0.6%

Memory: ✅ 39.105MB (SLO: <40.750MB -4.0%) vs baseline: +6.3%


✅ start

Time: ✅ 29.426ms (SLO: <30.150ms -2.4%) vs baseline: +2.1%

Memory: ✅ 39.007MB (SLO: <40.750MB -4.3%) vs baseline: +6.0%


✅ start-finish

Time: ✅ 34.169ms (SLO: <35.350ms -3.3%) vs baseline: +0.6%

Memory: ✅ 39.046MB (SLO: <40.750MB -4.2%) vs baseline: +6.0%


✅ start-finish-telemetry

Time: ✅ 34.027ms (SLO: <35.450ms -4.0%) vs baseline: -0.8%

Memory: ✅ 38.987MB (SLO: <40.750MB -4.3%) vs baseline: +5.4%


✅ update-name

Time: ✅ 31.147ms (SLO: <33.400ms -6.7%) vs baseline: ~same

Memory: ✅ 39.125MB (SLO: <40.750MB -4.0%) vs baseline: +6.7%


packagespackageforrootmodulemapping - 4/4

✅ cache_off

Time: ✅ 345.886ms (SLO: <354.300ms -2.4%) vs baseline: +0.4%

Memory: ✅ 42.203MB (SLO: <46.000MB -8.3%) vs baseline: +5.7%


✅ cache_on

Time: ✅ 0.381µs (SLO: <10.000µs 📉 -96.2%) vs baseline: -0.2%

Memory: ✅ 40.559MB (SLO: <46.000MB 📉 -11.8%) vs baseline: +5.0%


ratelimiter - 12/12

✅ defaults

Time: ✅ 2.350µs (SLO: <10.000µs 📉 -76.5%) vs baseline: ~same

Memory: ✅ 36.530MB (SLO: <38.000MB -3.9%) vs baseline: +6.6%


✅ high_rate_limit

Time: ✅ 2.424µs (SLO: <10.000µs 📉 -75.8%) vs baseline: +0.3%

Memory: ✅ 36.549MB (SLO: <38.000MB -3.8%) vs baseline: +6.5%


✅ long_window

Time: ✅ 2.375µs (SLO: <10.000µs 📉 -76.3%) vs baseline: +0.6%

Memory: ✅ 36.549MB (SLO: <38.000MB -3.8%) vs baseline: +6.3%


✅ low_rate_limit

Time: ✅ 2.368µs (SLO: <10.000µs 📉 -76.3%) vs baseline: -0.2%

Memory: ✅ 36.510MB (SLO: <38.000MB -3.9%) vs baseline: +6.6%


✅ no_rate_limit

Time: ✅ 0.832µs (SLO: <10.000µs 📉 -91.7%) vs baseline: +0.6%

Memory: ✅ 36.549MB (SLO: <38.000MB -3.8%) vs baseline: +6.5%


✅ short_window

Time: ✅ 2.497µs (SLO: <10.000µs 📉 -75.0%) vs baseline: ~same

Memory: ✅ 36.471MB (SLO: <38.000MB -4.0%) vs baseline: +5.7%


recursivecomputation - 8/8

✅ deep

Time: ✅ 312.945ms (SLO: <320.950ms -2.5%) vs baseline: +0.1%

Memory: ✅ 37.375MB (SLO: <38.750MB -3.5%) vs baseline: +5.0%


✅ deep-profiled

Time: ✅ 328.799ms (SLO: <359.150ms -8.5%) vs baseline: -0.3%

Memory: ✅ 43.726MB (SLO: <46.000MB -4.9%) vs baseline: +5.5%


✅ medium

Time: ✅ 7.409ms (SLO: <7.400ms +0.1%) vs baseline: ~same

Memory: ✅ 36.215MB (SLO: <38.000MB -4.7%) vs baseline: +5.2%


✅ shallow

Time: ✅ 1.052ms (SLO: <1.050ms +0.2%) vs baseline: +1.8%

Memory: ✅ 36.235MB (SLO: <38.000MB -4.6%) vs baseline: +5.3%


sethttpmeta - 32/32

✅ all-disabled

Time: ✅ 10.607µs (SLO: <20.000µs 📉 -47.0%) vs baseline: ~same

Memory: ✅ 37.061MB (SLO: <38.750MB -4.4%) vs baseline: +5.2%


✅ all-enabled

Time: ✅ 39.785µs (SLO: <50.000µs 📉 -20.4%) vs baseline: +1.3%

Memory: ✅ 37.139MB (SLO: <38.750MB -4.2%) vs baseline: +5.4%


✅ collectipvariant_exists

Time: ✅ 39.902µs (SLO: <50.000µs 📉 -20.2%) vs baseline: +0.4%

Memory: ✅ 37.080MB (SLO: <38.750MB -4.3%) vs baseline: +5.5%


✅ no-collectipvariant

Time: ✅ 39.030µs (SLO: <50.000µs 📉 -21.9%) vs baseline: -0.5%

Memory: ✅ 36.982MB (SLO: <38.750MB -4.6%) vs baseline: +5.0%


✅ no-useragentvariant

Time: ✅ 38.009µs (SLO: <50.000µs 📉 -24.0%) vs baseline: +0.4%

Memory: ✅ 37.080MB (SLO: <38.750MB -4.3%) vs baseline: +5.0%


✅ obfuscation-no-query

Time: ✅ 39.531µs (SLO: <50.000µs 📉 -20.9%) vs baseline: +0.3%

Memory: ✅ 37.061MB (SLO: <38.750MB -4.4%) vs baseline: +5.3%


✅ obfuscation-regular-case-explicit-query

Time: ✅ 75.763µs (SLO: <90.000µs 📉 -15.8%) vs baseline: -0.1%

Memory: ✅ 37.415MB (SLO: <38.750MB -3.4%) vs baseline: +5.9%


✅ obfuscation-regular-case-implicit-query

Time: ✅ 76.409µs (SLO: <90.000µs 📉 -15.1%) vs baseline: +0.2%

Memory: ✅ 37.395MB (SLO: <38.750MB -3.5%) vs baseline: +6.0%


✅ obfuscation-send-querystring-disabled

Time: ✅ 154.276µs (SLO: <170.000µs -9.2%) vs baseline: -0.3%

Memory: ✅ 37.415MB (SLO: <38.750MB -3.4%) vs baseline: +5.2%


✅ obfuscation-worst-case-explicit-query

Time: ✅ 148.768µs (SLO: <160.000µs -7.0%) vs baseline: -0.2%

Memory: ✅ 37.434MB (SLO: <38.750MB -3.4%) vs baseline: +5.0%


✅ obfuscation-worst-case-implicit-query

Time: ✅ 155.012µs (SLO: <170.000µs -8.8%) vs baseline: -0.1%

Memory: ✅ 37.356MB (SLO: <38.750MB -3.6%) vs baseline: +5.0%


✅ useragentvariant_exists_1

Time: ✅ 38.596µs (SLO: <50.000µs 📉 -22.8%) vs baseline: +0.4%

Memory: ✅ 36.943MB (SLO: <38.750MB -4.7%) vs baseline: +4.9%


✅ useragentvariant_exists_2

Time: ✅ 39.517µs (SLO: <50.000µs 📉 -21.0%) vs baseline: +0.2%

Memory: ✅ 37.159MB (SLO: <38.750MB -4.1%) vs baseline: +5.4%


✅ useragentvariant_exists_3

Time: ✅ 39.144µs (SLO: <50.000µs 📉 -21.7%) vs baseline: +0.6%

Memory: ✅ 37.159MB (SLO: <38.750MB -4.1%) vs baseline: +5.4%


✅ useragentvariant_not_exists_1

Time: ✅ 38.548µs (SLO: <50.000µs 📉 -22.9%) vs baseline: +0.4%

Memory: ✅ 37.021MB (SLO: <38.750MB -4.5%) vs baseline: +5.4%


✅ useragentvariant_not_exists_2

Time: ✅ 38.710µs (SLO: <50.000µs 📉 -22.6%) vs baseline: +0.6%

Memory: ✅ 37.080MB (SLO: <38.750MB -4.3%) vs baseline: +5.2%


telemetryaddmetric - 30/30

✅ 1-count-metric-1-times

Time: ✅ 2.306µs (SLO: <20.000µs 📉 -88.5%) vs baseline: +9.1%

Memory: ✅ 36.215MB (SLO: <38.000MB -4.7%) vs baseline: +5.2%


✅ 1-count-metrics-100-times

Time: ✅ 154.820µs (SLO: <220.000µs 📉 -29.6%) vs baseline: +1.6%

Memory: ✅ 36.255MB (SLO: <38.000MB -4.6%) vs baseline: +5.3%


✅ 1-distribution-metric-1-times

Time: ✅ 2.408µs (SLO: <20.000µs 📉 -88.0%) vs baseline: -3.4%

Memory: ✅ 36.294MB (SLO: <38.000MB -4.5%) vs baseline: +5.0%


✅ 1-distribution-metrics-100-times

Time: ✅ 165.825µs (SLO: <230.000µs 📉 -27.9%) vs baseline: -0.6%

Memory: ✅ 36.196MB (SLO: <38.000MB -4.7%) vs baseline: +5.3%


✅ 1-gauge-metric-1-times

Time: ✅ 1.978µs (SLO: <20.000µs 📉 -90.1%) vs baseline: -1.0%

Memory: ✅ 36.215MB (SLO: <38.000MB -4.7%) vs baseline: +5.3%


✅ 1-gauge-metrics-100-times

Time: ✅ 136.760µs (SLO: <150.000µs -8.8%) vs baseline: -0.5%

Memory: ✅ 36.176MB (SLO: <38.000MB -4.8%) vs baseline: +5.5%


✅ 1-rate-metric-1-times

Time: ✅ 2.294µs (SLO: <20.000µs 📉 -88.5%) vs baseline: +2.4%

Memory: ✅ 36.294MB (SLO: <38.000MB -4.5%) vs baseline: +5.4%


✅ 1-rate-metrics-100-times

Time: ✅ 168.894µs (SLO: <250.000µs 📉 -32.4%) vs baseline: +1.2%

Memory: ✅ 36.353MB (SLO: <38.000MB -4.3%) vs baseline: +5.8%


✅ 100-count-metrics-100-times

Time: ✅ 15.400ms (SLO: <22.000ms 📉 -30.0%) vs baseline: +0.5%

Memory: ✅ 36.215MB (SLO: <38.000MB -4.7%) vs baseline: +5.0%


✅ 100-distribution-metrics-100-times

Time: ✅ 1.731ms (SLO: <2.550ms 📉 -32.1%) vs baseline: -1.1%

Memory: ✅ 36.176MB (SLO: <38.000MB -4.8%) vs baseline: +5.0%


✅ 100-gauge-metrics-100-times

Time: ✅ 1.415ms (SLO: <1.550ms -8.7%) vs baseline: +0.7%

Memory: ✅ 36.215MB (SLO: <38.000MB -4.7%) vs baseline: +5.1%


✅ 100-rate-metrics-100-times

Time: ✅ 1.769ms (SLO: <2.550ms 📉 -30.6%) vs baseline: +3.0%

Memory: ✅ 36.274MB (SLO: <38.000MB -4.5%) vs baseline: +5.1%


✅ flush-1-metric

Time: ✅ 3.607µs (SLO: <20.000µs 📉 -82.0%) vs baseline: +1.1%

Memory: ✅ 36.628MB (SLO: <38.000MB -3.6%) vs baseline: +6.5%


✅ flush-100-metrics

Time: ✅ 174.899µs (SLO: <250.000µs 📉 -30.0%) vs baseline: -0.2%

Memory: ✅ 36.667MB (SLO: <38.000MB -3.5%) vs baseline: +6.7%


✅ flush-1000-metrics

Time: ✅ 2.192ms (SLO: <2.500ms 📉 -12.3%) vs baseline: -0.8%

Memory: ✅ 37.120MB (SLO: <38.750MB -4.2%) vs baseline: +5.6%

ℹ️ Scenarios Missing SLO Configuration (46 scenarios)

The following scenarios exist in candidate data but have no SLO thresholds configured:

  • coreapiscenario-core_dispatch_listeners
  • coreapiscenario-core_dispatch_no_listeners
  • coreapiscenario-core_dispatch_with_results_listeners
  • coreapiscenario-core_dispatch_with_results_no_listeners
  • djangosimple-baseline
  • errortrackingdjangosimple-baseline
  • errortrackingflasksqli-baseline
  • flasksimple-baseline
  • flasksqli-baseline
  • iast_aspects-re_expand_aspect
  • iast_aspects-re_expand_noaspect
  • iast_aspects-re_findall_aspect
  • iast_aspects-re_findall_noaspect
  • iast_aspects-re_finditer_aspect
  • iast_aspects-re_finditer_noaspect
  • iast_aspects-re_fullmatch_aspect
  • iast_aspects-re_fullmatch_noaspect
  • iast_aspects-re_group_aspect
  • iast_aspects-re_group_noaspect
  • iast_aspects-re_groups_aspect
  • iast_aspects-re_groups_noaspect
  • iast_aspects-re_match_aspect
  • iast_aspects-re_match_noaspect
  • iast_aspects-re_search_aspect
  • iast_aspects-re_search_noaspect
  • iast_aspects-re_sub_aspect
  • iast_aspects-re_sub_noaspect
  • iast_aspects-re_subn_aspect
  • iast_aspects-re_subn_noaspect
  • sethttpmeta-obfuscation-disabled
  • startup-baseline
  • startup-baseline_django
  • startup-baseline_flask
  • startup-ddtrace_run
  • startup-ddtrace_run_appsec
  • startup-ddtrace_run_profiling
  • startup-ddtrace_run_runtime_metrics
  • startup-ddtrace_run_send_span
  • startup-ddtrace_run_telemetry_disabled
  • startup-ddtrace_run_telemetry_enabled
  • startup-import_ddtrace
  • startup-import_ddtrace_auto
  • startup-import_ddtrace_auto_django
  • startup-import_ddtrace_auto_flask
  • startup-import_ddtrace_django
  • startup-import_ddtrace_flask

@zarirhamza zarirhamza marked this pull request as ready for review April 8, 2026 18:06
@zarirhamza zarirhamza requested review from a team as code owners April 8, 2026 18:06
Comment thread tests/internal/service_name/test_processor.py Outdated
Comment thread releasenotes/notes/serverless-base-service-lambda-b3c9f1e2d4a58701.yaml Outdated
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@gh-worker-dd-mergequeue-cf854d gh-worker-dd-mergequeue-cf854d Bot merged commit 93778cc into main Apr 9, 2026
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@gh-worker-dd-mergequeue-cf854d gh-worker-dd-mergequeue-cf854d Bot deleted the zarir/base_service_serverless branch April 9, 2026 19:06
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github-actions Bot commented Apr 9, 2026

This change is marked for backport to 4.6 and it does not conflict with that branch.
The command used to test backporting was

git checkout 4.6 && git cherry-pick -x --mainline 1 93778ccd9ac45b9123ec7824caf01ab269754e9c

zarirhamza added a commit that referenced this pull request Apr 9, 2026
## Overview

Fixes `_dd.base_service` handling for AWS Lambda environments in the Python tracer, enabling service remapping rules to work on Lambda spans and ensuring trace stats contain a meaningful `base_service`.

### Changes

**`ddtrace/internal/settings/_config.py`** — When `DD_SERVICE` is not configured and the tracer is running in AWS Lambda, `config.service` is now automatically set from `AWS_LAMBDA_FUNCTION_NAME`. This mirrors existing GCP (`K_SERVICE`) and Azure (`WEBSITE_SITE_NAME`) auto-detection behavior.

**`ddtrace/internal/schema/processor.py`** — Removes the Lambda-specific early exit from `BaseServiceProcessor`. Previously, the processor skipped all Lambda spans to avoid unhelpful `base_service` values from the runtime. Now that the service is correctly resolved from the function name, the processor runs normally and `_dd.base_service` is properly attached to spans.

## Testing

Existing serverless system tests pass (ALB, API Gateway HTTP/REST, Function URL).

## Risks

Low. The change only affects Lambda environments where `DD_SERVICE` is not explicitly set. The resolved service name (`AWS_LAMBDA_FUNCTION_NAME`) matches what the extension already uses for extension-based languages, ensuring consistency across runtimes.

Co-authored-by: zarir.hamza <zarir.hamza@datadoghq.com>
zarirhamza added a commit that referenced this pull request Apr 9, 2026
## Overview

Fixes `_dd.base_service` handling for AWS Lambda environments in the Python tracer, enabling service remapping rules to work on Lambda spans and ensuring trace stats contain a meaningful `base_service`.

### Changes

**`ddtrace/internal/settings/_config.py`** — When `DD_SERVICE` is not configured and the tracer is running in AWS Lambda, `config.service` is now automatically set from `AWS_LAMBDA_FUNCTION_NAME`. This mirrors existing GCP (`K_SERVICE`) and Azure (`WEBSITE_SITE_NAME`) auto-detection behavior.

**`ddtrace/internal/schema/processor.py`** — Removes the Lambda-specific early exit from `BaseServiceProcessor`. Previously, the processor skipped all Lambda spans to avoid unhelpful `base_service` values from the runtime. Now that the service is correctly resolved from the function name, the processor runs normally and `_dd.base_service` is properly attached to spans.

## Testing

Existing serverless system tests pass (ALB, API Gateway HTTP/REST, Function URL).

## Risks

Low. The change only affects Lambda environments where `DD_SERVICE` is not explicitly set. The resolved service name (`AWS_LAMBDA_FUNCTION_NAME`) matches what the extension already uses for extension-based languages, ensuring consistency across runtimes.

Co-authored-by: zarir.hamza <zarir.hamza@datadoghq.com>
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This change is marked for backport to 4.7 and it does not conflict with that branch.
The command used to test backporting was

git checkout 4.7 && git cherry-pick -x --mainline 1 93778ccd9ac45b9123ec7824caf01ab269754e9c

gh-worker-dd-mergequeue-cf854d Bot pushed a commit that referenced this pull request Apr 15, 2026
… to 4.7] (#17441)

Backport of #17238 to 4.7.

(cherry picked from commit 93778cc)

## Description

Fixes `_dd.base_service` handling for AWS Lambda environments in the Python tracer, enabling service remapping rules to work on Lambda spans and ensuring trace stats contain a meaningful `base_service`.

### Changes

**`ddtrace/internal/settings/_config.py`** — When `DD_SERVICE` is not configured and the tracer is running in AWS Lambda, `config.service` is now automatically set from `AWS_LAMBDA_FUNCTION_NAME`. This mirrors existing GCP (`K_SERVICE`) and Azure (`WEBSITE_SITE_NAME`) auto-detection behavior.

**`ddtrace/internal/schema/processor.py`** — Removes the Lambda-specific early exit from `BaseServiceProcessor`. Previously, the processor skipped all Lambda spans to avoid unhelpful `base_service` values from the runtime. Now that the service is correctly resolved from the function name, the processor runs normally and `_dd.base_service` is properly attached to spans.

## Testing

Existing serverless system tests pass (ALB, API Gateway HTTP/REST, Function URL). Includes new unit tests for Lambda service name auto-detection and base_service processor behavior.

## Risks

Low. The change only affects Lambda environments where `DD_SERVICE` is not explicitly set. The resolved service name (`AWS_LAMBDA_FUNCTION_NAME`) matches what the extension already uses for extension-based languages, ensuring consistency across runtimes.

Co-authored-by: zarir.hamza <zarir.hamza@datadoghq.com>
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