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Merged
merged 33 commits into from
Nov 11, 2025
Merged

chore(profiling): enable memalloc to use sample #15189

merged 33 commits into from
Nov 11, 2025

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@danielsn
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@danielsn danielsn commented Nov 7, 2025 •
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Description

Refactored the memory allocator to use C++, and link to Sample. This will enable us to remove our dependency on python operations in a followon PR.

Testing

Risks

Additional Notes

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github-actions bot commented Nov 7, 2025 •
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CODEOWNERS have been resolved as:

.github/workflows/build_python_3.yml                                    @DataDog/python-guild @DataDog/apm-core-python
ddtrace/internal/datadog/profiling/cmake/AnalysisFunc.cmake             @DataDog/profiling-python
ddtrace/internal/datadog/profiling/dd_wrapper/CMakeLists.txt            @DataDog/profiling-python
ddtrace/internal/datadog/profiling/dd_wrapper/test/CMakeLists.txt       @DataDog/profiling-python
ddtrace/internal/datadog/profiling/ddup/CMakeLists.txt                  @DataDog/profiling-python
ddtrace/internal/datadog/profiling/stack_v2/CMakeLists.txt              @DataDog/profiling-python
ddtrace/internal/datadog/profiling/stack_v2/test/CMakeLists.txt         @DataDog/profiling-python
ddtrace/profiling/collector/_memalloc_reentrant.h                       @DataDog/profiling-python
ddtrace/profiling/collector/_utils.h                                    @DataDog/profiling-python
setup.py                                                                @DataDog/python-guild
ddtrace/profiling/collector/_memalloc.cpp                               @DataDog/profiling-python
ddtrace/profiling/collector/_memalloc_heap.cpp                          @DataDog/profiling-python
ddtrace/profiling/collector/_memalloc_heap_map.cpp                      @DataDog/profiling-python
ddtrace/profiling/collector/_memalloc_reentrant.cpp                     @DataDog/profiling-python
ddtrace/profiling/collector/_memalloc_tb.cpp                            @DataDog/profiling-python

@taegyunkim taegyunkim added Profiling Continous Profling changelog/no-changelog A changelog entry is not required for this PR. labels Nov 7, 2025
@danielsn danielsn marked this pull request as ready for review November 7, 2025 22:10
@danielsn danielsn requested review from a team as code owners November 7, 2025 22:10
@danielsn danielsn changed the title chore(profiling) enable memalloc to use sample chore(profiling): enable memalloc to use sample Nov 7, 2025
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Bootstrap import analysis

Comparison of import times between this PR and base.

Summary

The average import time from this PR is: 233 ± 4 ms.

The average import time from base is: 234 ± 4 ms.

The import time difference between this PR and base is: -0.5 ± 0.2 ms.

The difference is not statistically significant (z = -2.82).

Import time breakdown

The following import paths have shrunk:

ddtrace.auto 1.801 ms (0.77%)
ddtrace.bootstrap.sitecustomize 1.136 ms (0.49%)
ddtrace.bootstrap.preload 1.136 ms (0.49%)
ddtrace.internal.remoteconfig.client 0.580 ms (0.25%)
ddtrace 0.665 ms (0.29%)
ddtrace.internal._unpatched 0.028 ms (0.01%)
json 0.028 ms (0.01%)
json.decoder 0.028 ms (0.01%)
re 0.028 ms (0.01%)
enum 0.028 ms (0.01%)
types 0.028 ms (0.01%)

@danielsn danielsn requested a review from a team as a code owner November 10, 2025 16:31
brettlangdon
brettlangdon approved these changes Nov 10, 2025
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question, otherwise looks ok (or at least setup.py changes seem fairly low impact for other extensions/products)

KowalskiThomas
KowalskiThomas approved these changes Nov 10, 2025
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Overall makes sense to me!

That said, it's not quite clear to me where the functional change is 🤔

@taegyunkim taegyunkim added the AI Generated Largely based on code generated by an AI or LLM. This label is the same across all dd-trace-* repos label Nov 10, 2025
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Performance SLOs

Comparing candidate dsn/memalloc-use-sample (de890ab) with baseline main (1bceb85)

📈 Performance Regressions (2 suites)
📈 iastaspectsospath - 24/24

✅ ospathbasename_aspect

Time: ✅ 4.776µs (SLO: <10.000µs 📉 -52.2%) vs baseline: 📈 +13.3%

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +4.9%

✅ ospathbasename_noaspect

Time: ✅ 1.088µs (SLO: <10.000µs 📉 -89.1%) vs baseline: -0.2%

Memory: ✅ 37.198MB (SLO: <39.000MB -4.6%) vs baseline: +4.8%

✅ ospathjoin_aspect

Time: ✅ 6.138µs (SLO: <10.000µs 📉 -38.6%) vs baseline: +0.1%

Memory: ✅ 37.139MB (SLO: <39.000MB -4.8%) vs baseline: +4.6%

✅ ospathjoin_noaspect

Time: ✅ 2.294µs (SLO: <10.000µs 📉 -77.1%) vs baseline: -0.6%

Memory: ✅ 37.198MB (SLO: <39.000MB -4.6%) vs baseline: +4.6%

✅ ospathnormcase_aspect

Time: ✅ 3.412µs (SLO: <10.000µs 📉 -65.9%) vs baseline: -0.7%

Memory: ✅ 37.198MB (SLO: <39.000MB -4.6%) vs baseline: +4.6%

✅ ospathnormcase_noaspect

Time: ✅ 0.570µs (SLO: <10.000µs 📉 -94.3%) vs baseline: -2.9%

Memory: ✅ 37.159MB (SLO: <39.000MB -4.7%) vs baseline: +4.8%

✅ ospathsplit_aspect

Time: ✅ 4.808µs (SLO: <10.000µs 📉 -51.9%) vs baseline: +0.5%

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +4.7%

✅ ospathsplit_noaspect

Time: ✅ 1.595µs (SLO: <10.000µs 📉 -84.0%) vs baseline: ~same

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +4.9%

✅ ospathsplitdrive_aspect

Time: ✅ 3.670µs (SLO: <10.000µs 📉 -63.3%) vs baseline: +0.5%

Memory: ✅ 37.159MB (SLO: <39.000MB -4.7%) vs baseline: +4.8%

✅ ospathsplitdrive_noaspect

Time: ✅ 0.700µs (SLO: <10.000µs 📉 -93.0%) vs baseline: +0.8%

Memory: ✅ 37.238MB (SLO: <39.000MB -4.5%) vs baseline: +4.9%

✅ ospathsplitext_aspect

Time: ✅ 4.708µs (SLO: <10.000µs 📉 -52.9%) vs baseline: +4.7%

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +4.8%

✅ ospathsplitext_noaspect

Time: ✅ 1.371µs (SLO: <10.000µs 📉 -86.3%) vs baseline: -0.6%

Memory: ✅ 37.159MB (SLO: <39.000MB -4.7%) vs baseline: +4.7%

📈 iastaspectssplit - 12/12

✅ rsplit_aspect

Time: ✅ 1.408µs (SLO: <10.000µs 📉 -85.9%) vs baseline: -2.4%

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +4.8%

✅ rsplit_noaspect

Time: ✅ 0.578µs (SLO: <10.000µs 📉 -94.2%) vs baseline: +0.2%

Memory: ✅ 37.159MB (SLO: <39.000MB -4.7%) vs baseline: +5.0%

✅ split_aspect

Time: ✅ 1.514µs (SLO: <10.000µs 📉 -84.9%) vs baseline: +8.1%

Memory: ✅ 37.179MB (SLO: <39.000MB -4.7%) vs baseline: +4.8%

✅ split_noaspect

Time: ✅ 0.564µs (SLO: <10.000µs 📉 -94.4%) vs baseline: -1.5%

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +4.8%

✅ splitlines_aspect

Time: ✅ 1.619µs (SLO: <10.000µs 📉 -83.8%) vs baseline: 📈 +13.7%

Memory: ✅ 37.198MB (SLO: <39.000MB -4.6%) vs baseline: +4.7%

✅ splitlines_noaspect

Time: ✅ 0.583µs (SLO: <10.000µs 📉 -94.2%) vs baseline: -0.4%

Memory: ✅ 37.179MB (SLO: <39.000MB -4.7%) vs baseline: +5.0%

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

✅ appsec

Time: ✅ 20.432ms (SLO: <22.300ms -8.4%) vs baseline: -0.2%

Memory: ✅ 66.139MB (SLO: <67.000MB 🟡 -1.3%) vs baseline: +5.1%

✅ exception-replay-enabled

Time: ✅ 1.341ms (SLO: <1.450ms -7.5%) vs baseline: +0.3%

Memory: ✅ 64.288MB (SLO: <67.000MB -4.0%) vs baseline: +5.2%

✅ iast

Time: ✅ 20.364ms (SLO: <22.250ms -8.5%) vs baseline: -0.4%

Memory: ✅ 66.119MB (SLO: <67.000MB 🟡 -1.3%) vs baseline: +5.1%

✅ profiler

Time: ✅ 15.367ms (SLO: <16.550ms -7.1%) vs baseline: ~same

Memory: ✅ 54.072MB (SLO: <54.500MB 🟡 -0.8%) vs baseline: +5.0%

✅ resource-renaming

Time: ✅ 20.531ms (SLO: <21.750ms -5.6%) vs baseline: +0.2%

Memory: ✅ 66.129MB (SLO: <67.000MB 🟡 -1.3%) vs baseline: +4.8%

✅ span-code-origin

Time: ✅ 25.450ms (SLO: <28.200ms -9.8%) vs baseline: +0.2%

Memory: ✅ 67.309MB (SLO: <69.500MB -3.2%) vs baseline: +4.8%

✅ tracer

Time: ✅ 20.485ms (SLO: <21.750ms -5.8%) vs baseline: -0.2%

Memory: ✅ 66.218MB (SLO: <67.000MB 🟡 -1.2%) vs baseline: +5.2%

✅ tracer-and-profiler

Time: ✅ 22.574ms (SLO: <23.500ms -3.9%) vs baseline: ~same

Memory: ✅ 67.927MB (SLO: <68.000MB 🟡 -0.1%) vs baseline: +5.0%

✅ tracer-dont-create-db-spans

Time: ✅ 19.296ms (SLO: <21.500ms 📉 -10.3%) vs baseline: -0.2%

Memory: ✅ 66.185MB (SLO: <67.000MB 🟡 -1.2%) vs baseline: +5.2%

✅ tracer-minimal

Time: ✅ 16.667ms (SLO: <17.500ms -4.8%) vs baseline: +0.2%

Memory: ✅ 66.109MB (SLO: <67.000MB 🟡 -1.3%) vs baseline: +5.0%

✅ tracer-native

Time: ✅ 20.495ms (SLO: <21.750ms -5.8%) vs baseline: +0.2%

Memory: ✅ 67.966MB (SLO: <72.500MB -6.3%) vs baseline: +4.9%

✅ tracer-no-caches

Time: ✅ 18.439ms (SLO: <19.650ms -6.2%) vs baseline: -0.2%

Memory: ✅ 66.149MB (SLO: <67.000MB 🟡 -1.3%) vs baseline: +5.1%

✅ tracer-no-databases

Time: ✅ 18.803ms (SLO: <20.100ms -6.5%) vs baseline: ~same

Memory: ✅ 65.765MB (SLO: <67.000MB 🟡 -1.8%) vs baseline: +4.5%

✅ tracer-no-middleware

Time: ✅ 20.208ms (SLO: <21.500ms -6.0%) vs baseline: +0.2%

Memory: ✅ 66.109MB (SLO: <67.000MB 🟡 -1.3%) vs baseline: +5.0%

✅ tracer-no-templates

Time: ✅ 20.344ms (SLO: <22.000ms -7.5%) vs baseline: +0.4%

Memory: ✅ 66.159MB (SLO: <67.000MB 🟡 -1.3%) vs baseline: +5.0%

🟡 errortrackingdjangosimple - 6/6

✅ errortracking-enabled-all

Time: ✅ 18.070ms (SLO: <19.850ms -9.0%) vs baseline: +0.1%

Memory: ✅ 66.149MB (SLO: <66.500MB 🟡 -0.5%) vs baseline: +5.0%

✅ errortracking-enabled-user

Time: ✅ 18.119ms (SLO: <19.400ms -6.6%) vs baseline: ~same

Memory: ✅ 66.070MB (SLO: <66.500MB 🟡 -0.6%) vs baseline: +4.9%

✅ tracer-enabled

Time: ✅ 18.089ms (SLO: <19.450ms -7.0%) vs baseline: +0.2%

Memory: ✅ 65.787MB (SLO: <66.500MB 🟡 -1.1%) vs baseline: +4.7%

🟡 errortrackingflasksqli - 6/6

✅ errortracking-enabled-all

Time: ✅ 2.062ms (SLO: <2.300ms 📉 -10.4%) vs baseline: ~same

Memory: ✅ 52.573MB (SLO: <53.500MB 🟡 -1.7%) vs baseline: +4.9%

✅ errortracking-enabled-user

Time: ✅ 2.071ms (SLO: <2.250ms -8.0%) vs baseline: +0.3%

Memory: ✅ 52.553MB (SLO: <53.500MB 🟡 -1.8%) vs baseline: +4.9%

✅ tracer-enabled

Time: ✅ 2.069ms (SLO: <2.300ms 📉 -10.0%) vs baseline: -0.3%

Memory: ✅ 52.455MB (SLO: <53.500MB 🟡 -2.0%) vs baseline: +4.6%

🟡 flasksimple - 18/18

✅ appsec-get

Time: ✅ 4.597ms (SLO: <4.750ms -3.2%) vs baseline: +0.4%

Memory: ✅ 62.338MB (SLO: <65.000MB -4.1%) vs baseline: +4.8%

✅ appsec-post

Time: ✅ 6.621ms (SLO: <6.750ms 🟡 -1.9%) vs baseline: -0.4%

Memory: ✅ 62.338MB (SLO: <65.000MB -4.1%) vs baseline: +4.9%

✅ appsec-telemetry

Time: ✅ 4.607ms (SLO: <4.750ms -3.0%) vs baseline: +0.7%

Memory: ✅ 62.307MB (SLO: <65.000MB -4.1%) vs baseline: +4.9%

✅ debugger

Time: ✅ 1.862ms (SLO: <2.000ms -6.9%) vs baseline: +0.2%

Memory: ✅ 45.188MB (SLO: <47.000MB -3.9%) vs baseline: +4.5%

✅ iast-get

Time: ✅ 1.854ms (SLO: <2.000ms -7.3%) vs baseline: -0.1%

Memory: ✅ 42.140MB (SLO: <49.000MB 📉 -14.0%) vs baseline: +4.8%

✅ profiler

Time: ✅ 1.922ms (SLO: <2.100ms -8.5%) vs baseline: +0.5%

Memory: ✅ 46.653MB (SLO: <47.000MB 🟡 -0.7%) vs baseline: +4.9%

✅ resource-renaming

Time: ✅ 3.364ms (SLO: <3.650ms -7.8%) vs baseline: -0.2%

Memory: ✅ 52.567MB (SLO: <53.500MB 🟡 -1.7%) vs baseline: +4.8%

✅ tracer

Time: ✅ 3.348ms (SLO: <3.650ms -8.3%) vs baseline: -0.2%

Memory: ✅ 52.554MB (SLO: <53.500MB 🟡 -1.8%) vs baseline: +4.8%

✅ tracer-native

Time: ✅ 3.355ms (SLO: <3.650ms -8.1%) vs baseline: -0.2%

Memory: ✅ 54.256MB (SLO: <60.000MB -9.6%) vs baseline: +4.6%

🟡 otelsdkspan - 24/24

✅ add-event

Time: ✅ 40.501ms (SLO: <42.000ms -3.6%) vs baseline: +0.5%

Memory: ✅ 34.328MB (SLO: <39.000MB 📉 -12.0%) vs baseline: +5.0%

✅ add-link

Time: ✅ 36.634ms (SLO: <38.550ms -5.0%) vs baseline: +1.2%

Memory: ✅ 34.347MB (SLO: <39.000MB 📉 -11.9%) vs baseline: +5.0%

✅ add-metrics

Time: ✅ 219.353ms (SLO: <232.000ms -5.5%) vs baseline: +0.1%

Memory: ✅ 34.269MB (SLO: <39.000MB 📉 -12.1%) vs baseline: +4.6%

✅ add-tags

Time: ✅ 211.103ms (SLO: <221.600ms -4.7%) vs baseline: -0.3%

Memory: ✅ 34.308MB (SLO: <39.000MB 📉 -12.0%) vs baseline: +4.9%

✅ get-context

Time: ✅ 29.110ms (SLO: <31.300ms -7.0%) vs baseline: ~same

Memory: ✅ 34.288MB (SLO: <39.000MB 📉 -12.1%) vs baseline: +4.8%

✅ is-recording

Time: ✅ 29.185ms (SLO: <31.000ms -5.9%) vs baseline: +0.5%

Memory: ✅ 34.328MB (SLO: <39.000MB 📉 -12.0%) vs baseline: +4.8%

✅ record-exception

Time: ✅ 63.234ms (SLO: <65.850ms -4.0%) vs baseline: +0.2%

Memory: ✅ 34.308MB (SLO: <39.000MB 📉 -12.0%) vs baseline: +4.7%

✅ set-status

Time: ✅ 32.155ms (SLO: <34.150ms -5.8%) vs baseline: +0.5%

Memory: ✅ 34.288MB (SLO: <39.000MB 📉 -12.1%) vs baseline: +4.8%

✅ start

Time: ✅ 29.627ms (SLO: <30.150ms 🟡 -1.7%) vs baseline: +2.6%

Memory: ✅ 34.328MB (SLO: <39.000MB 📉 -12.0%) vs baseline: +5.1%

✅ start-finish

Time: ✅ 34.004ms (SLO: <35.350ms -3.8%) vs baseline: +0.7%

Memory: ✅ 34.347MB (SLO: <39.000MB 📉 -11.9%) vs baseline: +4.9%

✅ start-finish-telemetry

Time: ✅ 34.023ms (SLO: <35.450ms -4.0%) vs baseline: ~same

Memory: ✅ 34.269MB (SLO: <39.000MB 📉 -12.1%) vs baseline: +4.7%

✅ update-name

Time: ✅ 31.105ms (SLO: <33.400ms -6.9%) vs baseline: +0.4%

Memory: ✅ 34.347MB (SLO: <39.000MB 📉 -11.9%) vs baseline: +4.8%

⚠️ Unstable Tests (1 suite)
⚠️ coreapiscenario - 10/10 (1 unstable)

⚠️ context_with_data_listeners

Time: ⚠️ 13.244µs (SLO: <20.000µs 📉 -33.8%) vs baseline: +0.4%

Memory: ✅ 31.556MB (SLO: <33.500MB -5.8%) vs baseline: +4.1%

✅ context_with_data_no_listeners

Time: ✅ 3.276µs (SLO: <10.000µs 📉 -67.2%) vs baseline: -0.2%

Memory: ✅ 31.497MB (SLO: <33.500MB -6.0%) vs baseline: +4.9%

✅ get_item_exists

Time: ✅ 0.582µs (SLO: <10.000µs 📉 -94.2%) vs baseline: -0.1%

Memory: ✅ 31.497MB (SLO: <33.500MB -6.0%) vs baseline: +4.9%

✅ get_item_missing

Time: ✅ 0.636µs (SLO: <10.000µs 📉 -93.6%) vs baseline: -1.8%

Memory: ✅ 31.516MB (SLO: <33.500MB -5.9%) vs baseline: +5.1%

✅ set_item

Time: ✅ 24.051µs (SLO: <30.000µs 📉 -19.8%) vs baseline: -0.9%

Memory: ✅ 31.516MB (SLO: <33.500MB -5.9%) vs baseline: +5.1%

✅ All Tests Passing (16 suites)
✅ flasksqli - 6/6

✅ appsec-enabled

Time: ✅ 3.957ms (SLO: <4.200ms -5.8%) vs baseline: -0.4%

Memory: ✅ 62.305MB (SLO: <66.000MB -5.6%) vs baseline: +4.7%

✅ iast-enabled

Time: ✅ 2.439ms (SLO: <2.800ms 📉 -12.9%) vs baseline: +0.6%

Memory: ✅ 58.373MB (SLO: <60.000MB -2.7%) vs baseline: +4.2%

✅ tracer-enabled

Time: ✅ 2.057ms (SLO: <2.250ms -8.6%) vs baseline: +0.1%

Memory: ✅ 52.632MB (SLO: <54.500MB -3.4%) vs baseline: +4.8%

✅ httppropagationextract - 60/60

✅ all_styles_all_headers

Time: ✅ 81.760µs (SLO: <100.000µs 📉 -18.2%) vs baseline: -0.2%

Memory: ✅ 31.968MB (SLO: <33.500MB -4.6%) vs baseline: +4.9%

✅ b3_headers

Time: ✅ 14.227µs (SLO: <20.000µs 📉 -28.9%) vs baseline: +0.8%

Memory: ✅ 32.008MB (SLO: <33.500MB -4.5%) vs baseline: +5.0%

✅ b3_single_headers

Time: ✅ 13.300µs (SLO: <20.000µs 📉 -33.5%) vs baseline: -1.0%

Memory: ✅ 31.968MB (SLO: <33.500MB -4.6%) vs baseline: +4.7%

✅ datadog_tracecontext_tracestate_not_propagated_on_trace_id_no_match

Time: ✅ 64.057µs (SLO: <80.000µs 📉 -19.9%) vs baseline: ~same

Memory: ✅ 31.909MB (SLO: <33.500MB -4.7%) vs baseline: +4.6%

✅ datadog_tracecontext_tracestate_propagated_on_trace_id_match

Time: ✅ 66.437µs (SLO: <80.000µs 📉 -17.0%) vs baseline: -0.1%

Memory: ✅ 31.929MB (SLO: <33.500MB -4.7%) vs baseline: +4.7%

✅ empty_headers

Time: ✅ 1.612µs (SLO: <10.000µs 📉 -83.9%) vs baseline: -0.5%

Memory: ✅ 31.968MB (SLO: <33.500MB -4.6%) vs baseline: +4.7%

✅ full_t_id_datadog_headers

Time: ✅ 23.927µs (SLO: <30.000µs 📉 -20.2%) vs baseline: +4.7%

Memory: ✅ 31.988MB (SLO: <33.500MB -4.5%) vs baseline: +4.8%

✅ invalid_priority_header

Time: ✅ 6.526µs (SLO: <10.000µs 📉 -34.7%) vs baseline: +0.1%

Memory: ✅ 31.949MB (SLO: <33.500MB -4.6%) vs baseline: +4.9%

✅ invalid_span_id_header

Time: ✅ 6.510µs (SLO: <10.000µs 📉 -34.9%) vs baseline: -0.9%

Memory: ✅ 31.909MB (SLO: <33.500MB -4.7%) vs baseline: +4.5%

✅ invalid_tags_header

Time: ✅ 6.599µs (SLO: <10.000µs 📉 -34.0%) vs baseline: +0.9%

Memory: ✅ 31.968MB (SLO: <33.500MB -4.6%) vs baseline: +5.2%

✅ invalid_trace_id_header

Time: ✅ 6.526µs (SLO: <10.000µs 📉 -34.7%) vs baseline: -0.3%

Memory: ✅ 32.008MB (SLO: <33.500MB -4.5%) vs baseline: +4.9%

✅ large_header_no_matches

Time: ✅ 27.642µs (SLO: <30.000µs -7.9%) vs baseline: ~same

Memory: ✅ 32.047MB (SLO: <33.500MB -4.3%) vs baseline: +5.0%

✅ large_valid_headers_all

Time: ✅ 28.770µs (SLO: <40.000µs 📉 -28.1%) vs baseline: +0.4%

Memory: ✅ 31.909MB (SLO: <33.500MB -4.7%) vs baseline: +4.8%

✅ medium_header_no_matches

Time: ✅ 9.898µs (SLO: <20.000µs 📉 -50.5%) vs baseline: +0.4%

Memory: ✅ 32.067MB (SLO: <33.500MB -4.3%) vs baseline: +5.3%

✅ medium_valid_headers_all

Time: ✅ 11.246µs (SLO: <20.000µs 📉 -43.8%) vs baseline: -0.3%

Memory: ✅ 31.890MB (SLO: <33.500MB -4.8%) vs baseline: +4.8%

✅ none_propagation_style

Time: ✅ 1.716µs (SLO: <10.000µs 📉 -82.8%) vs baseline: -0.5%

Memory: ✅ 31.968MB (SLO: <33.500MB -4.6%) vs baseline: +4.9%

✅ tracecontext_headers

Time: ✅ 34.605µs (SLO: <40.000µs 📉 -13.5%) vs baseline: -0.2%

Memory: ✅ 31.949MB (SLO: <33.500MB -4.6%) vs baseline: +5.1%

✅ valid_headers_all

Time: ✅ 6.503µs (SLO: <10.000µs 📉 -35.0%) vs baseline: -0.5%

Memory: ✅ 31.968MB (SLO: <33.500MB -4.6%) vs baseline: +4.8%

✅ valid_headers_basic

Time: ✅ 6.107µs (SLO: <10.000µs 📉 -38.9%) vs baseline: ~same

Memory: ✅ 31.968MB (SLO: <33.500MB -4.6%) vs baseline: +4.9%

✅ wsgi_empty_headers

Time: ✅ 1.610µs (SLO: <10.000µs 📉 -83.9%) vs baseline: -0.8%

Memory: ✅ 32.008MB (SLO: <33.500MB -4.5%) vs baseline: +4.7%

✅ wsgi_invalid_priority_header

Time: ✅ 6.575µs (SLO: <10.000µs 📉 -34.2%) vs baseline: ~same

Memory: ✅ 31.988MB (SLO: <33.500MB -4.5%) vs baseline: +4.7%

✅ wsgi_invalid_span_id_header

Time: ✅ 1.603µs (SLO: <10.000µs 📉 -84.0%) vs baseline: ~same

Memory: ✅ 32.027MB (SLO: <33.500MB -4.4%) vs baseline: +4.9%

✅ wsgi_invalid_tags_header

Time: ✅ 6.662µs (SLO: <10.000µs 📉 -33.4%) vs baseline: +1.0%

Memory: ✅ 32.047MB (SLO: <33.500MB -4.3%) vs baseline: +5.2%

✅ wsgi_invalid_trace_id_header

Time: ✅ 6.642µs (SLO: <10.000µs 📉 -33.6%) vs baseline: +1.8%

Memory: ✅ 32.027MB (SLO: <33.500MB -4.4%) vs baseline: +5.2%

✅ wsgi_large_header_no_matches

Time: ✅ 28.799µs (SLO: <40.000µs 📉 -28.0%) vs baseline: +0.5%

Memory: ✅ 31.968MB (SLO: <33.500MB -4.6%) vs baseline: +4.8%

✅ wsgi_large_valid_headers_all

Time: ✅ 29.968µs (SLO: <40.000µs 📉 -25.1%) vs baseline: ~same

Memory: ✅ 32.008MB (SLO: <33.500MB -4.5%) vs baseline: +4.9%

✅ wsgi_medium_header_no_matches

Time: ✅ 10.239µs (SLO: <20.000µs 📉 -48.8%) vs baseline: +0.8%

Memory: ✅ 31.988MB (SLO: <33.500MB -4.5%) vs baseline: +4.9%

✅ wsgi_medium_valid_headers_all

Time: ✅ 11.558µs (SLO: <20.000µs 📉 -42.2%) vs baseline: ~same

Memory: ✅ 31.988MB (SLO: <33.500MB -4.5%) vs baseline: +4.9%

✅ wsgi_valid_headers_all

Time: ✅ 6.664µs (SLO: <10.000µs 📉 -33.4%) vs baseline: +1.1%

Memory: ✅ 32.027MB (SLO: <33.500MB -4.4%) vs baseline: +4.8%

✅ wsgi_valid_headers_basic

Time: ✅ 6.173µs (SLO: <10.000µs 📉 -38.3%) vs baseline: +1.0%

Memory: ✅ 31.988MB (SLO: <33.500MB -4.5%) vs baseline: +5.0%

✅ httppropagationinject - 16/16

✅ ids_only

Time: ✅ 21.023µs (SLO: <30.000µs 📉 -29.9%) vs baseline: ~same

Memory: ✅ 31.929MB (SLO: <33.500MB -4.7%) vs baseline: +4.7%

✅ with_all

Time: ✅ 28.542µs (SLO: <40.000µs 📉 -28.6%) vs baseline: +1.1%

Memory: ✅ 31.988MB (SLO: <33.500MB -4.5%) vs baseline: +5.0%

✅ with_dd_origin

Time: ✅ 25.286µs (SLO: <30.000µs 📉 -15.7%) vs baseline: +2.1%

Memory: ✅ 31.909MB (SLO: <33.500MB -4.7%) vs baseline: +4.8%

✅ with_priority_and_origin

Time: ✅ 24.264µs (SLO: <40.000µs 📉 -39.3%) vs baseline: +0.6%

Memory: ✅ 31.949MB (SLO: <33.500MB -4.6%) vs baseline: +4.8%

✅ with_sampling_priority

Time: ✅ 21.150µs (SLO: <30.000µs 📉 -29.5%) vs baseline: +0.9%

Memory: ✅ 31.988MB (SLO: <33.500MB -4.5%) vs baseline: +5.0%

✅ with_tags

Time: ✅ 26.756µs (SLO: <40.000µs 📉 -33.1%) vs baseline: +0.4%

Memory: ✅ 31.988MB (SLO: <33.500MB -4.5%) vs baseline: +5.0%

✅ with_tags_invalid

Time: ✅ 28.222µs (SLO: <40.000µs 📉 -29.4%) vs baseline: +0.3%

Memory: ✅ 31.929MB (SLO: <33.500MB -4.7%) vs baseline: +4.5%

✅ with_tags_max_size

Time: ✅ 27.110µs (SLO: <40.000µs 📉 -32.2%) vs baseline: ~same

Memory: ✅ 31.988MB (SLO: <33.500MB -4.5%) vs baseline: +4.7%

✅ iast_aspects - 40/40

✅ re_expand_aspect

Time: ✅ 31.677µs (SLO: <40.000µs 📉 -20.8%) vs baseline: -1.1%

Memory: ✅ 37.139MB (SLO: <39.000MB -4.8%) vs baseline: +4.6%

✅ re_expand_noaspect

Time: ✅ 28.300µs (SLO: <40.000µs 📉 -29.3%) vs baseline: -0.8%

Memory: ✅ 37.179MB (SLO: <39.000MB -4.7%) vs baseline: +4.7%

✅ re_findall_aspect

Time: ✅ 2.915µs (SLO: <10.000µs 📉 -70.9%) vs baseline: -0.1%

Memory: ✅ 37.179MB (SLO: <39.000MB -4.7%) vs baseline: +4.7%

✅ re_findall_noaspect

Time: ✅ 1.403µs (SLO: <10.000µs 📉 -86.0%) vs baseline: -1.4%

Memory: ✅ 37.139MB (SLO: <39.000MB -4.8%) vs baseline: +4.9%

✅ re_finditer_aspect

Time: ✅ 4.405µs (SLO: <10.000µs 📉 -55.9%) vs baseline: -0.6%

Memory: ✅ 37.257MB (SLO: <39.000MB -4.5%) vs baseline: +5.3%

✅ re_finditer_noaspect

Time: ✅ 1.420µs (SLO: <10.000µs 📉 -85.8%) vs baseline: ~same

Memory: ✅ 37.198MB (SLO: <39.000MB -4.6%) vs baseline: +4.9%

✅ re_fullmatch_aspect

Time: ✅ 2.614µs (SLO: <10.000µs 📉 -73.9%) vs baseline: -3.6%

Memory: ✅ 37.159MB (SLO: <39.000MB -4.7%) vs baseline: +4.7%

✅ re_fullmatch_noaspect

Time: ✅ 1.297µs (SLO: <10.000µs 📉 -87.0%) vs baseline: -0.1%

Memory: ✅ 37.297MB (SLO: <39.000MB -4.4%) vs baseline: +5.0%

✅ re_group_aspect

Time: ✅ 2.943µs (SLO: <10.000µs 📉 -70.6%) vs baseline: -1.3%

Memory: ✅ 37.238MB (SLO: <39.000MB -4.5%) vs baseline: +5.0%

✅ re_group_noaspect

Time: ✅ 1.606µs (SLO: <10.000µs 📉 -83.9%) vs baseline: +0.3%

Memory: ✅ 37.257MB (SLO: <39.000MB -4.5%) vs baseline: +5.0%

✅ re_groups_aspect

Time: ✅ 3.049µs (SLO: <10.000µs 📉 -69.5%) vs baseline: -1.4%

Memory: ✅ 37.179MB (SLO: <39.000MB -4.7%) vs baseline: +4.7%

✅ re_groups_noaspect

Time: ✅ 1.715µs (SLO: <10.000µs 📉 -82.9%) vs baseline: -0.6%

Memory: ✅ 37.238MB (SLO: <39.000MB -4.5%) vs baseline: +5.0%

✅ re_match_aspect

Time: ✅ 2.704µs (SLO: <10.000µs 📉 -73.0%) vs baseline: -1.7%

Memory: ✅ 37.277MB (SLO: <39.000MB -4.4%) vs baseline: +4.9%

✅ re_match_noaspect

Time: ✅ 1.330µs (SLO: <10.000µs 📉 -86.7%) vs baseline: +0.9%

Memory: ✅ 37.179MB (SLO: <39.000MB -4.7%) vs baseline: +4.9%

✅ re_search_aspect

Time: ✅ 2.623µs (SLO: <10.000µs 📉 -73.8%) vs baseline: +2.9%

Memory: ✅ 37.257MB (SLO: <39.000MB -4.5%) vs baseline: +4.9%

✅ re_search_noaspect

Time: ✅ 1.204µs (SLO: <10.000µs 📉 -88.0%) vs baseline: +0.3%

Memory: ✅ 37.257MB (SLO: <39.000MB -4.5%) vs baseline: +5.0%

✅ re_sub_aspect

Time: ✅ 3.420µs (SLO: <10.000µs 📉 -65.8%) vs baseline: +0.4%

Memory: ✅ 37.198MB (SLO: <39.000MB -4.6%) vs baseline: +5.0%

✅ re_sub_noaspect

Time: ✅ 1.521µs (SLO: <10.000µs 📉 -84.8%) vs baseline: -0.6%

Memory: ✅ 37.238MB (SLO: <39.000MB -4.5%) vs baseline: +5.0%

✅ re_subn_aspect

Time: ✅ 3.650µs (SLO: <10.000µs 📉 -63.5%) vs baseline: -0.6%

Memory: ✅ 37.179MB (SLO: <39.000MB -4.7%) vs baseline: +4.7%

✅ re_subn_noaspect

Time: ✅ 1.607µs (SLO: <10.000µs 📉 -83.9%) vs baseline: +0.4%

Memory: ✅ 37.257MB (SLO: <39.000MB -4.5%) vs baseline: +5.2%

✅ iastaspects - 118/118

✅ add_aspect

Time: ✅ 0.408µs (SLO: <10.000µs 📉 -95.9%) vs baseline: +0.7%

Memory: ✅ 37.179MB (SLO: <39.000MB -4.7%) vs baseline: +4.8%

✅ add_inplace_aspect

Time: ✅ 0.404µs (SLO: <10.000µs 📉 -96.0%) vs baseline: -0.6%

Memory: ✅ 37.238MB (SLO: <39.000MB -4.5%) vs baseline: +5.0%

✅ add_inplace_noaspect

Time: ✅ 0.320µs (SLO: <10.000µs 📉 -96.8%) vs baseline: +0.3%

Memory: ✅ 37.257MB (SLO: <39.000MB -4.5%) vs baseline: +4.9%

✅ add_noaspect

Time: ✅ 0.275µs (SLO: <10.000µs 📉 -97.3%) vs baseline: +0.1%

Memory: ✅ 37.277MB (SLO: <39.000MB -4.4%) vs baseline: +4.8%

✅ bytearray_aspect

Time: ✅ 1.316µs (SLO: <10.000µs 📉 -86.8%) vs baseline: -0.6%

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +5.1%

✅ bytearray_extend_aspect

Time: ✅ 1.486µs (SLO: <10.000µs 📉 -85.1%) vs baseline: -0.1%

Memory: ✅ 37.198MB (SLO: <39.000MB -4.6%) vs baseline: +5.0%

✅ bytearray_extend_noaspect

Time: ✅ 0.615µs (SLO: <10.000µs 📉 -93.9%) vs baseline: +0.2%

Memory: ✅ 37.277MB (SLO: <39.000MB -4.4%) vs baseline: +5.0%

✅ bytearray_noaspect

Time: ✅ 0.491µs (SLO: <10.000µs 📉 -95.1%) vs baseline: +0.7%

Memory: ✅ 37.179MB (SLO: <39.000MB -4.7%) vs baseline: +4.7%

✅ bytes_aspect

Time: ✅ 1.269µs (SLO: <10.000µs 📉 -87.3%) vs baseline: -0.1%

Memory: ✅ 37.257MB (SLO: <39.000MB -4.5%) vs baseline: +5.0%

✅ bytes_noaspect

Time: ✅ 0.494µs (SLO: <10.000µs 📉 -95.1%) vs baseline: +0.1%

Memory: ✅ 37.277MB (SLO: <39.000MB -4.4%) vs baseline: +5.0%

✅ bytesio_aspect

Time: ✅ 1.321µs (SLO: <10.000µs 📉 -86.8%) vs baseline: -1.0%

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +4.9%

✅ bytesio_noaspect

Time: ✅ 0.497µs (SLO: <10.000µs 📉 -95.0%) vs baseline: +0.5%

Memory: ✅ 37.257MB (SLO: <39.000MB -4.5%) vs baseline: +5.1%

✅ capitalize_aspect

Time: ✅ 0.732µs (SLO: <10.000µs 📉 -92.7%) vs baseline: -1.2%

Memory: ✅ 37.179MB (SLO: <39.000MB -4.7%) vs baseline: +4.7%

✅ capitalize_noaspect

Time: ✅ 0.436µs (SLO: <10.000µs 📉 -95.6%) vs baseline: +0.5%

Memory: ✅ 37.198MB (SLO: <39.000MB -4.6%) vs baseline: +4.9%

✅ casefold_aspect

Time: ✅ 0.739µs (SLO: <10.000µs 📉 -92.6%) vs baseline: +0.7%

Memory: ✅ 37.198MB (SLO: <39.000MB -4.6%) vs baseline: +4.9%

✅ casefold_noaspect

Time: ✅ 0.366µs (SLO: <10.000µs 📉 -96.3%) vs baseline: -2.0%

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +4.9%

✅ decode_aspect

Time: ✅ 0.728µs (SLO: <10.000µs 📉 -92.7%) vs baseline: +0.6%

Memory: ✅ 37.179MB (SLO: <39.000MB -4.7%) vs baseline: +4.8%

✅ decode_noaspect

Time: ✅ 0.423µs (SLO: <10.000µs 📉 -95.8%) vs baseline: +1.1%

Memory: ✅ 37.238MB (SLO: <39.000MB -4.5%) vs baseline: +5.0%

✅ encode_aspect

Time: ✅ 0.707µs (SLO: <10.000µs 📉 -92.9%) vs baseline: +0.3%

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +4.9%

✅ encode_noaspect

Time: ✅ 0.402µs (SLO: <10.000µs 📉 -96.0%) vs baseline: -0.2%

Memory: ✅ 37.139MB (SLO: <39.000MB -4.8%) vs baseline: +4.7%

✅ format_aspect

Time: ✅ 3.381µs (SLO: <10.000µs 📉 -66.2%) vs baseline: +0.7%

Memory: ✅ 37.198MB (SLO: <39.000MB -4.6%) vs baseline: +4.6%

✅ format_map_aspect

Time: ✅ 3.590µs (SLO: <10.000µs 📉 -64.1%) vs baseline: -0.5%

Memory: ✅ 37.257MB (SLO: <39.000MB -4.5%) vs baseline: +4.9%

✅ format_map_noaspect

Time: ✅ 0.778µs (SLO: <10.000µs 📉 -92.2%) vs baseline: +0.5%

Memory: ✅ 37.198MB (SLO: <39.000MB -4.6%) vs baseline: +4.7%

✅ format_noaspect

Time: ✅ 0.595µs (SLO: <10.000µs 📉 -94.1%) vs baseline: ~same

Memory: ✅ 37.120MB (SLO: <39.000MB -4.8%) vs baseline: +4.6%

✅ index_aspect

Time: ✅ 0.360µs (SLO: <10.000µs 📉 -96.4%) vs baseline: +0.7%

Memory: ✅ 37.277MB (SLO: <39.000MB -4.4%) vs baseline: +5.2%

✅ index_noaspect

Time: ✅ 0.278µs (SLO: <10.000µs 📉 -97.2%) vs baseline: +0.5%

Memory: ✅ 37.238MB (SLO: <39.000MB -4.5%) vs baseline: +4.8%

✅ join_aspect

Time: ✅ 1.355µs (SLO: <10.000µs 📉 -86.4%) vs baseline: +0.4%

Memory: ✅ 37.179MB (SLO: <39.000MB -4.7%) vs baseline: +5.0%

✅ join_noaspect

Time: ✅ 0.496µs (SLO: <10.000µs 📉 -95.0%) vs baseline: +0.2%

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +4.9%

✅ ljust_aspect

Time: ✅ 2.632µs (SLO: <20.000µs 📉 -86.8%) vs baseline: -0.1%

Memory: ✅ 37.277MB (SLO: <39.000MB -4.4%) vs baseline: +5.0%

✅ ljust_noaspect

Time: ✅ 0.406µs (SLO: <10.000µs 📉 -95.9%) vs baseline: +0.7%

Memory: ✅ 37.277MB (SLO: <39.000MB -4.4%) vs baseline: +5.2%

✅ lower_aspect

Time: ✅ 2.211µs (SLO: <10.000µs 📉 -77.9%) vs baseline: +1.3%

Memory: ✅ 37.139MB (SLO: <39.000MB -4.8%) vs baseline: +4.6%

✅ lower_noaspect

Time: ✅ 0.375µs (SLO: <10.000µs 📉 -96.3%) vs baseline: +1.3%

Memory: ✅ 37.179MB (SLO: <39.000MB -4.7%) vs baseline: +4.7%

✅ lstrip_aspect

Time: ✅ 2.267µs (SLO: <20.000µs 📉 -88.7%) vs baseline: +1.5%

Memory: ✅ 37.198MB (SLO: <39.000MB -4.6%) vs baseline: +4.9%

✅ lstrip_noaspect

Time: ✅ 0.385µs (SLO: <10.000µs 📉 -96.1%) vs baseline: +0.9%

Memory: ✅ 37.198MB (SLO: <39.000MB -4.6%) vs baseline: +4.9%

✅ modulo_aspect

Time: ✅ 1.000µs (SLO: <10.000µs 📉 -90.0%) vs baseline: ~same

Memory: ✅ 37.238MB (SLO: <39.000MB -4.5%) vs baseline: +5.1%

✅ modulo_aspect_for_bytearray_bytearray

Time: ✅ 1.531µs (SLO: <10.000µs 📉 -84.7%) vs baseline: ~same

Memory: ✅ 37.198MB (SLO: <39.000MB -4.6%) vs baseline: +5.0%

✅ modulo_aspect_for_bytes

Time: ✅ 0.984µs (SLO: <10.000µs 📉 -90.2%) vs baseline: +1.7%

Memory: ✅ 37.159MB (SLO: <39.000MB -4.7%) vs baseline: +5.0%

✅ modulo_aspect_for_bytes_bytearray

Time: ✅ 1.205µs (SLO: <10.000µs 📉 -88.0%) vs baseline: +0.2%

Memory: ✅ 37.297MB (SLO: <39.000MB -4.4%) vs baseline: +5.1%

✅ modulo_noaspect

Time: ✅ 0.630µs (SLO: <10.000µs 📉 -93.7%) vs baseline: +0.5%

Memory: ✅ 37.198MB (SLO: <39.000MB -4.6%) vs baseline: +4.8%

✅ replace_aspect

Time: ✅ 4.866µs (SLO: <10.000µs 📉 -51.3%) vs baseline: ~same

Memory: ✅ 37.238MB (SLO: <39.000MB -4.5%) vs baseline: +4.9%

✅ replace_noaspect

Time: ✅ 0.460µs (SLO: <10.000µs 📉 -95.4%) vs baseline: -0.7%

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +4.9%

✅ repr_aspect

Time: ✅ 0.914µs (SLO: <10.000µs 📉 -90.9%) vs baseline: +0.2%

Memory: ✅ 37.120MB (SLO: <39.000MB -4.8%) vs baseline: +4.7%

✅ repr_noaspect

Time: ✅ 0.416µs (SLO: <10.000µs 📉 -95.8%) vs baseline: +0.2%

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +4.9%

✅ rstrip_aspect

Time: ✅ 1.926µs (SLO: <20.000µs 📉 -90.4%) vs baseline: +0.6%

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +4.7%

✅ rstrip_noaspect

Time: ✅ 0.385µs (SLO: <10.000µs 📉 -96.2%) vs baseline: +0.5%

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +5.0%

✅ slice_aspect

Time: ✅ 0.499µs (SLO: <10.000µs 📉 -95.0%) vs baseline: +1.1%

Memory: ✅ 37.238MB (SLO: <39.000MB -4.5%) vs baseline: +5.0%

✅ slice_noaspect

Time: ✅ 0.448µs (SLO: <10.000µs 📉 -95.5%) vs baseline: +0.2%

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +4.8%

✅ stringio_aspect

Time: ✅ 1.566µs (SLO: <10.000µs 📉 -84.3%) vs baseline: +0.4%

Memory: ✅ 37.159MB (SLO: <39.000MB -4.7%) vs baseline: +4.8%

✅ stringio_noaspect

Time: ✅ 0.719µs (SLO: <10.000µs 📉 -92.8%) vs baseline: +1.0%

Memory: ✅ 37.257MB (SLO: <39.000MB -4.5%) vs baseline: +5.0%

✅ strip_aspect

Time: ✅ 2.234µs (SLO: <20.000µs 📉 -88.8%) vs baseline: ~same

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +4.7%

✅ strip_noaspect

Time: ✅ 0.387µs (SLO: <10.000µs 📉 -96.1%) vs baseline: +1.2%

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +4.8%

✅ swapcase_aspect

Time: ✅ 2.417µs (SLO: <10.000µs 📉 -75.8%) vs baseline: +1.6%

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +5.2%

✅ swapcase_noaspect

Time: ✅ 0.540µs (SLO: <10.000µs 📉 -94.6%) vs baseline: +0.9%

Memory: ✅ 37.139MB (SLO: <39.000MB -4.8%) vs baseline: +4.6%

✅ title_aspect

Time: ✅ 2.369µs (SLO: <10.000µs 📉 -76.3%) vs baseline: +0.7%

Memory: ✅ 37.218MB (SLO: <39.000MB -4.6%) vs baseline: +5.2%

✅ title_noaspect

Time: ✅ 0.506µs (SLO: <10.000µs 📉 -94.9%) vs baseline: +0.9%

Memory: ✅ 37.257MB (SLO: <39.000MB -4.5%) vs baseline: +5.0%

✅ translate_aspect

Time: ✅ 3.414µs (SLO: <10.000µs 📉 -65.9%) vs baseline: +6.0%

Memory: ✅ 37.297MB (SLO: <39.000MB -4.4%) vs baseline: +5.3%

✅ translate_noaspect

Time: ✅ 1.040µs (SLO: <10.000µs 📉 -89.6%) vs baseline: -0.5%

Memory: ✅ 37.198MB (SLO: <39.000MB -4.6%) vs baseline: +4.9%

✅ upper_aspect

Time: ✅ 2.217µs (SLO: <10.000µs 📉 -77.8%) vs baseline: ~same

Memory: ✅ 37.120MB (SLO: <39.000MB -4.8%) vs baseline: +4.7%

✅ upper_noaspect

Time: ✅ 0.372µs (SLO: <10.000µs 📉 -96.3%) vs baseline: -0.5%

Memory: ✅ 37.238MB (SLO: <39.000MB -4.5%) vs baseline: +5.0%

✅ iastpropagation - 2/2

✅ no-propagation

Time: ✅ 49.133µs (SLO: <60.000µs 📉 -18.1%) vs baseline: +0.8%

Memory: ✅ 36.864MB (SLO: <39.000MB -5.5%) vs baseline: +5.0%

✅ otelspan - 22/22

✅ add-event

Time: ✅ 40.143ms (SLO: <47.150ms 📉 -14.9%) vs baseline: -0.2%

Memory: ✅ 43.444MB (SLO: <47.000MB -7.6%) vs baseline: +4.6%

✅ add-metrics

Time: ✅ 317.750ms (SLO: <344.800ms -7.8%) vs baseline: ~same

Memory: ✅ 651.538MB (SLO: <675.000MB -3.5%) vs baseline: +4.9%

✅ add-tags

Time: ✅ 290.889ms (SLO: <314.000ms -7.4%) vs baseline: +0.6%

Memory: ✅ 652.722MB (SLO: <675.000MB -3.3%) vs baseline: +4.7%

✅ get-context

Time: ✅ 80.167ms (SLO: <92.350ms 📉 -13.2%) vs baseline: -0.3%

Memory: ✅ 39.447MB (SLO: <46.500MB 📉 -15.2%) vs baseline: +4.8%

✅ is-recording

Time: ✅ 38.082ms (SLO: <44.500ms 📉 -14.4%) vs baseline: ~same

Memory: ✅ 42.954MB (SLO: <47.500MB -9.6%) vs baseline: +4.9%

✅ record-exception

Time: ✅ 58.046ms (SLO: <67.650ms 📉 -14.2%) vs baseline: -0.7%

Memory: ✅ 39.630MB (SLO: <47.000MB 📉 -15.7%) vs baseline: +4.6%

✅ set-status

Time: ✅ 43.712ms (SLO: <50.400ms 📉 -13.3%) vs baseline: -0.8%

Memory: ✅ 42.973MB (SLO: <47.000MB -8.6%) vs baseline: +4.9%

✅ start

Time: ✅ 37.271ms (SLO: <43.450ms 📉 -14.2%) vs baseline: ~same

Memory: ✅ 42.897MB (SLO: <47.000MB -8.7%) vs baseline: +5.1%

✅ start-finish

Time: ✅ 81.988ms (SLO: <88.000ms -6.8%) vs baseline: +0.2%

Memory: ✅ 34.387MB (SLO: <46.500MB 📉 -26.1%) vs baseline: +5.0%

✅ start-finish-telemetry

Time: ✅ 83.588ms (SLO: <89.000ms -6.1%) vs baseline: ~same

Memory: ✅ 34.367MB (SLO: <46.500MB 📉 -26.1%) vs baseline: +4.9%

✅ update-name

Time: ✅ 39.002ms (SLO: <45.150ms 📉 -13.6%) vs baseline: +0.1%

Memory: ✅ 43.215MB (SLO: <47.000MB -8.1%) vs baseline: +4.7%

✅ packagespackageforrootmodulemapping - 4/4

✅ cache_off

Time: ✅ 341.752ms (SLO: <354.300ms -3.5%) vs baseline: -0.8%

Memory: ✅ 37.723MB (SLO: <40.000MB -5.7%) vs baseline: +6.1%

✅ cache_on

Time: ✅ 0.382µs (SLO: <10.000µs 📉 -96.2%) vs baseline: -1.9%

Memory: ✅ 36.626MB (SLO: <39.000MB -6.1%) vs baseline: +4.9%

✅ packagesupdateimporteddependencies - 24/24

✅ import_many

Time: ✅ 156.696µs (SLO: <170.000µs -7.8%) vs baseline: -0.2%

Memory: ✅ 36.886MB (SLO: <38.500MB -4.2%) vs baseline: +5.8%

✅ import_many_cached

Time: ✅ 121.047µs (SLO: <130.000µs -6.9%) vs baseline: +0.3%

Memory: ✅ 36.573MB (SLO: <38.500MB -5.0%) vs baseline: +4.6%

✅ import_many_stdlib

Time: ✅ 1.615ms (SLO: <1.750ms -7.7%) vs baseline: -0.1%

Memory: ✅ 37.038MB (SLO: <38.500MB -3.8%) vs baseline: +4.8%

✅ import_many_stdlib_cached

Time: ✅ 0.974ms (SLO: <1.100ms 📉 -11.4%) vs baseline: ~same

Memory: ✅ 36.963MB (SLO: <38.500MB -4.0%) vs baseline: +5.7%

✅ import_many_unknown

Time: ✅ 829.374µs (SLO: <890.000µs -6.8%) vs baseline: -1.1%

Memory: ✅ 36.758MB (SLO: <38.500MB -4.5%) vs baseline: +5.3%

✅ import_many_unknown_cached

Time: ✅ 789.603µs (SLO: <870.000µs -9.2%) vs baseline: -0.9%

Memory: ✅ 37.035MB (SLO: <38.500MB -3.8%) vs baseline: +5.0%

✅ import_one

Time: ✅ 19.752µs (SLO: <30.000µs 📉 -34.2%) vs baseline: ~same

Memory: ✅ 36.910MB (SLO: <39.000MB -5.4%) vs baseline: +5.0%

✅ import_one_cache

Time: ✅ 6.290µs (SLO: <10.000µs 📉 -37.1%) vs baseline: ~same

Memory: ✅ 36.509MB (SLO: <38.500MB -5.2%) vs baseline: +5.0%

✅ import_one_stdlib

Time: ✅ 18.761µs (SLO: <20.000µs -6.2%) vs baseline: -0.1%

Memory: ✅ 36.426MB (SLO: <38.500MB -5.4%) vs baseline: +4.6%

✅ import_one_stdlib_cache

Time: ✅ 6.279µs (SLO: <10.000µs 📉 -37.2%) vs baseline: -0.2%

Memory: ✅ 36.892MB (SLO: <38.500MB -4.2%) vs baseline: +4.9%

✅ import_one_unknown

Time: ✅ 45.256µs (SLO: <50.000µs -9.5%) vs baseline: -0.7%

Memory: ✅ 36.670MB (SLO: <38.500MB -4.8%) vs baseline: +5.2%

✅ import_one_unknown_cache

Time: ✅ 6.334µs (SLO: <10.000µs 📉 -36.7%) vs baseline: ~same

Memory: ✅ 36.931MB (SLO: <38.500MB -4.1%) vs baseline: +4.9%

✅ ratelimiter - 12/12

✅ defaults

Time: ✅ 2.365µs (SLO: <10.000µs 📉 -76.4%) vs baseline: +1.2%

Memory: ✅ 31.457MB (SLO: <34.000MB -7.5%) vs baseline: +4.8%

✅ high_rate_limit

Time: ✅ 2.410µs (SLO: <10.000µs 📉 -75.9%) vs baseline: -0.4%

Memory: ✅ 31.477MB (SLO: <34.000MB -7.4%) vs baseline: +4.9%

✅ long_window

Time: ✅ 2.348µs (SLO: <10.000µs 📉 -76.5%) vs baseline: -0.4%

Memory: ✅ 31.497MB (SLO: <34.000MB -7.4%) vs baseline: +4.9%

✅ low_rate_limit

Time: ✅ 2.359µs (SLO: <10.000µs 📉 -76.4%) vs baseline: -0.4%

Memory: ✅ 31.477MB (SLO: <34.000MB -7.4%) vs baseline: +4.9%

✅ no_rate_limit

Time: ✅ 0.827µs (SLO: <10.000µs 📉 -91.7%) vs baseline: -1.0%

Memory: ✅ 31.536MB (SLO: <34.000MB -7.2%) vs baseline: +5.1%

✅ short_window

Time: ✅ 2.497µs (SLO: <10.000µs 📉 -75.0%) vs baseline: +0.2%

Memory: ✅ 31.477MB (SLO: <34.000MB -7.4%) vs baseline: +4.9%

✅ recursivecomputation - 8/8

✅ deep

Time: ✅ 309.199ms (SLO: <320.950ms -3.7%) vs baseline: +0.4%

Memory: ✅ 32.637MB (SLO: <34.500MB -5.4%) vs baseline: +4.6%

✅ deep-profiled

Time: ✅ 328.582ms (SLO: <359.150ms -8.5%) vs baseline: +0.3%

Memory: ✅ 37.920MB (SLO: <39.000MB -2.8%) vs baseline: +3.6%

✅ medium

Time: ✅ 7.038ms (SLO: <7.400ms -4.9%) vs baseline: +0.6%

Memory: ✅ 31.929MB (SLO: <34.000MB -6.1%) vs baseline: +5.1%

✅ shallow

Time: ✅ 0.942ms (SLO: <1.050ms 📉 -10.3%) vs baseline: +0.4%

Memory: ✅ 31.870MB (SLO: <34.000MB -6.3%) vs baseline: +4.8%

✅ samplingrules - 8/8

✅ average_match

Time: ✅ 137.989µs (SLO: <290.000µs 📉 -52.4%) vs baseline: +0.2%

Memory: ✅ 31.615MB (SLO: <34.000MB -7.0%) vs baseline: +4.4%

✅ high_match

Time: ✅ 174.775µs (SLO: <480.000µs 📉 -63.6%) vs baseline: -1.0%

Memory: ✅ 31.497MB (SLO: <34.000MB -7.4%) vs baseline: +4.7%

✅ low_match

Time: ✅ 99.574µs (SLO: <120.000µs 📉 -17.0%) vs baseline: +0.4%

Memory: ✅ 600.687MB (SLO: <700.000MB 📉 -14.2%) vs baseline: +4.9%

✅ very_low_match

Time: ✅ 2.675ms (SLO: <8.500ms 📉 -68.5%) vs baseline: +0.4%

Memory: ✅ 67.991MB (SLO: <75.000MB -9.3%) vs baseline: +4.8%

✅ sethttpmeta - 32/32

✅ all-disabled

Time: ✅ 10.523µs (SLO: <20.000µs 📉 -47.4%) vs baseline: +0.3%

Memory: ✅ 32.322MB (SLO: <34.000MB -4.9%) vs baseline: +4.9%

✅ all-enabled

Time: ✅ 40.003µs (SLO: <50.000µs 📉 -20.0%) vs baseline: -0.7%

Memory: ✅ 32.322MB (SLO: <34.000MB -4.9%) vs baseline: +5.0%

✅ collectipvariant_exists

Time: ✅ 40.766µs (SLO: <50.000µs 📉 -18.5%) vs baseline: -0.6%

Memory: ✅ 32.401MB (SLO: <34.000MB -4.7%) vs baseline: +4.9%

✅ no-collectipvariant

Time: ✅ 40.150µs (SLO: <50.000µs 📉 -19.7%) vs baseline: +0.1%

Memory: ✅ 32.362MB (SLO: <34.000MB -4.8%) vs baseline: +4.8%

✅ no-useragentvariant

Time: ✅ 38.628µs (SLO: <50.000µs 📉 -22.7%) vs baseline: -0.8%

Memory: ✅ 32.362MB (SLO: <34.000MB -4.8%) vs baseline: +4.6%

✅ obfuscation-no-query

Time: ✅ 40.441µs (SLO: <50.000µs 📉 -19.1%) vs baseline: -0.3%

Memory: ✅ 32.342MB (SLO: <34.000MB -4.9%) vs baseline: +5.0%

✅ obfuscation-regular-case-explicit-query

Time: ✅ 75.918µs (SLO: <90.000µs 📉 -15.6%) vs baseline: -0.2%

Memory: ✅ 32.696MB (SLO: <34.000MB -3.8%) vs baseline: +4.7%

✅ obfuscation-regular-case-implicit-query

Time: ✅ 76.263µs (SLO: <90.000µs 📉 -15.3%) vs baseline: ~same

Memory: ✅ 32.755MB (SLO: <34.000MB -3.7%) vs baseline: +4.7%

✅ obfuscation-send-querystring-disabled

Time: ✅ 153.701µs (SLO: <170.000µs -9.6%) vs baseline: -0.6%

Memory: ✅ 32.696MB (SLO: <34.500MB -5.2%) vs baseline: +4.7%

✅ obfuscation-worst-case-explicit-query

Time: ✅ 148.362µs (SLO: <160.000µs -7.3%) vs baseline: ~same

Memory: ✅ 32.755MB (SLO: <34.500MB -5.1%) vs baseline: +5.2%

✅ obfuscation-worst-case-implicit-query

Time: ✅ 154.330µs (SLO: <170.000µs -9.2%) vs baseline: -0.3%

Memory: ✅ 32.676MB (SLO: <34.500MB -5.3%) vs baseline: +4.6%

✅ useragentvariant_exists_1

Time: ✅ 39.442µs (SLO: <50.000µs 📉 -21.1%) vs baseline: -0.2%

Memory: ✅ 32.342MB (SLO: <34.000MB -4.9%) vs baseline: +4.9%

✅ useragentvariant_exists_2

Time: ✅ 40.393µs (SLO: <50.000µs 📉 -19.2%) vs baseline: -0.6%

Memory: ✅ 32.342MB (SLO: <34.000MB -4.9%) vs baseline: +4.9%

✅ useragentvariant_exists_3

Time: ✅ 39.906µs (SLO: <50.000µs 📉 -20.2%) vs baseline: -0.4%

Memory: ✅ 32.342MB (SLO: <34.000MB -4.9%) vs baseline: +5.0%

✅ useragentvariant_not_exists_1

Time: ✅ 39.396µs (SLO: <50.000µs 📉 -21.2%) vs baseline: -0.6%

Memory: ✅ 32.322MB (SLO: <34.000MB -4.9%) vs baseline: +4.9%

✅ useragentvariant_not_exists_2

Time: ✅ 39.355µs (SLO: <50.000µs 📉 -21.3%) vs baseline: -0.6%

Memory: ✅ 32.362MB (SLO: <34.000MB -4.8%) vs baseline: +5.1%

✅ span - 26/26

✅ add-event

Time: ✅ 20.007ms (SLO: <22.500ms 📉 -11.1%) vs baseline: -0.3%

Memory: ✅ 48.510MB (SLO: <53.000MB -8.5%) vs baseline: +4.8%

✅ add-metrics

Time: ✅ 88.854ms (SLO: <93.500ms -5.0%) vs baseline: -1.0%

Memory: ✅ 736.121MB (SLO: <961.000MB 📉 -23.4%) vs baseline: +4.9%

✅ add-tags

Time: ✅ 146.979ms (SLO: <155.000ms -5.2%) vs baseline: ~same

Memory: ✅ 735.897MB (SLO: <962.500MB 📉 -23.5%) vs baseline: +4.9%

✅ get-context

Time: ✅ 18.169ms (SLO: <20.500ms 📉 -11.4%) vs baseline: -1.5%

Memory: ✅ 47.251MB (SLO: <53.000MB 📉 -10.8%) vs baseline: +4.9%

✅ is-recording

Time: ✅ 18.854ms (SLO: <20.500ms -8.0%) vs baseline: +1.1%

Memory: ✅ 47.198MB (SLO: <53.000MB 📉 -10.9%) vs baseline: +4.7%

✅ record-exception

Time: ✅ 37.571ms (SLO: <40.000ms -6.1%) vs baseline: +0.6%

Memory: ✅ 41.772MB (SLO: <53.000MB 📉 -21.2%) vs baseline: +5.3%

✅ set-status

Time: ✅ 20.297ms (SLO: <22.000ms -7.7%) vs baseline: +0.3%

Memory: ✅ 47.244MB (SLO: <53.000MB 📉 -10.9%) vs baseline: +4.8%

✅ start

Time: ✅ 18.256ms (SLO: <20.500ms 📉 -10.9%) vs baseline: -0.2%

Memory: ✅ 47.272MB (SLO: <53.000MB 📉 -10.8%) vs baseline: +4.9%

✅ start-finish

Time: ✅ 50.755ms (SLO: <52.500ms -3.3%) vs baseline: +0.3%

Memory: ✅ 31.870MB (SLO: <34.000MB -6.3%) vs baseline: +4.9%

✅ start-finish-telemetry

Time: ✅ 52.200ms (SLO: <54.500ms -4.2%) vs baseline: +0.4%

Memory: ✅ 31.850MB (SLO: <34.000MB -6.3%) vs baseline: +4.6%

✅ start-finish-traceid128

Time: ✅ 54.071ms (SLO: <57.000ms -5.1%) vs baseline: +0.5%

Memory: ✅ 31.870MB (SLO: <34.000MB -6.3%) vs baseline: +4.7%

✅ start-traceid128

Time: ✅ 18.780ms (SLO: <22.500ms 📉 -16.5%) vs baseline: +0.7%

Memory: ✅ 47.255MB (SLO: <53.000MB 📉 -10.8%) vs baseline: +4.9%

✅ update-name

Time: ✅ 19.142ms (SLO: <22.000ms 📉 -13.0%) vs baseline: +2.2%

Memory: ✅ 47.906MB (SLO: <53.000MB -9.6%) vs baseline: +5.0%

✅ telemetryaddmetric - 30/30

✅ 1-count-metric-1-times

Time: ✅ 2.995µs (SLO: <20.000µs 📉 -85.0%) vs baseline: +0.9%

Memory: ✅ 31.949MB (SLO: <34.000MB -6.0%) vs baseline: +5.2%

✅ 1-count-metrics-100-times

Time: ✅ 204.605µs (SLO: <220.000µs -7.0%) vs baseline: -0.3%

Memory: ✅ 31.909MB (SLO: <34.000MB -6.1%) vs baseline: +4.7%

✅ 1-distribution-metric-1-times

Time: ✅ 3.402µs (SLO: <20.000µs 📉 -83.0%) vs baseline: +3.5%

Memory: ✅ 31.890MB (SLO: <34.000MB -6.2%) vs baseline: +4.8%

✅ 1-distribution-metrics-100-times

Time: ✅ 213.640µs (SLO: <220.000µs -2.9%) vs baseline: -0.5%

Memory: ✅ 31.870MB (SLO: <34.000MB -6.3%) vs baseline: +4.7%

✅ 1-gauge-metric-1-times

Time: ✅ 2.207µs (SLO: <20.000µs 📉 -89.0%) vs baseline: -0.5%

Memory: ✅ 31.870MB (SLO: <34.000MB -6.3%) vs baseline: +4.8%

✅ 1-gauge-metrics-100-times

Time: ✅ 136.735µs (SLO: <150.000µs -8.8%) vs baseline: +0.4%

Memory: ✅ 31.909MB (SLO: <34.000MB -6.1%) vs baseline: +5.0%

✅ 1-rate-metric-1-times

Time: ✅ 3.106µs (SLO: <20.000µs 📉 -84.5%) vs baseline: ~same

Memory: ✅ 31.850MB (SLO: <34.000MB -6.3%) vs baseline: +4.7%

✅ 1-rate-metrics-100-times

Time: ✅ 216.001µs (SLO: <250.000µs 📉 -13.6%) vs baseline: +0.9%

Memory: ✅ 31.909MB (SLO: <34.000MB -6.1%) vs baseline: +5.1%

✅ 100-count-metrics-100-times

Time: ✅ 20.651ms (SLO: <22.000ms -6.1%) vs baseline: +0.5%

Memory: ✅ 31.909MB (SLO: <34.000MB -6.1%) vs baseline: +4.9%

✅ 100-distribution-metrics-100-times

Time: ✅ 2.223ms (SLO: <2.300ms -3.4%) vs baseline: -0.4%

Memory: ✅ 31.949MB (SLO: <34.000MB -6.0%) vs baseline: +5.1%

✅ 100-gauge-metrics-100-times

Time: ✅ 1.406ms (SLO: <1.550ms -9.3%) vs baseline: -0.2%

Memory: ✅ 31.890MB (SLO: <34.000MB -6.2%) vs baseline: +4.9%

✅ 100-rate-metrics-100-times

Time: ✅ 2.251ms (SLO: <2.550ms 📉 -11.7%) vs baseline: +2.3%

Memory: ✅ 31.870MB (SLO: <34.000MB -6.3%) vs baseline: +4.9%

✅ flush-1-metric

Time: ✅ 4.623µs (SLO: <20.000µs 📉 -76.9%) vs baseline: +1.2%

Memory: ✅ 31.890MB (SLO: <34.000MB -6.2%) vs baseline: +4.9%

✅ flush-100-metrics

Time: ✅ 177.221µs (SLO: <250.000µs 📉 -29.1%) vs baseline: -0.6%

Memory: ✅ 31.909MB (SLO: <34.000MB -6.1%) vs baseline: +4.9%

✅ flush-1000-metrics

Time: ✅ 2.133ms (SLO: <2.500ms 📉 -14.7%) vs baseline: -0.6%

Memory: ✅ 32.676MB (SLO: <34.500MB -5.3%) vs baseline: +4.7%

✅ tracer - 6/6

✅ large

Time: ✅ 29.138ms (SLO: <32.950ms 📉 -11.6%) vs baseline: +0.7%

Memory: ✅ 32.637MB (SLO: <34.500MB -5.4%) vs baseline: +4.7%

✅ medium

Time: ✅ 2.888ms (SLO: <3.200ms -9.7%) vs baseline: +0.3%

Memory: ✅ 31.477MB (SLO: <34.000MB -7.4%) vs baseline: +4.8%

✅ small

Time: ✅ 324.575µs (SLO: <370.000µs 📉 -12.3%) vs baseline: -0.4%

Memory: ✅ 31.457MB (SLO: <34.000MB -7.5%) vs baseline: +4.7%

ℹ️ Scenarios Missing SLO Configuration (9 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

vlad-scherbich
vlad-scherbich reviewed Nov 11, 2025
View reviewed changes
@danielsn danielsn enabled auto-merge (squash) November 11, 2025 17:19
@danielsn danielsn merged commit d44ad4b into main Nov 11, 2025
1056 of 1061 checks passed
@danielsn danielsn deleted the dsn/memalloc-use-sample branch November 11, 2025 23:21
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@vlad-scherbich vlad-scherbich vlad-scherbich left review comments

@brettlangdon brettlangdon brettlangdon approved these changes

@KowalskiThomas KowalskiThomas KowalskiThomas approved these changes

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@danielsn @brettlangdon @KowalskiThomas @vlad-scherbich @taegyunkim