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feat(internal): native spans - WIP #14851

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Description

Testing

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CODEOWNERS have been resolved as:

src/native/span.rs                                                      @DataDog/apm-core-python
ddtrace/_trace/span.py                                                  @DataDog/apm-sdk-capabilities-python
ddtrace/internal/native/_native.pyi                                     @DataDog/apm-core-python
src/native/Cargo.lock                                                   @DataDog/apm-core-python
src/native/Cargo.toml                                                   @DataDog/apm-core-python
src/native/data_pipeline/mod.rs                                         @DataDog/apm-core-python
src/native/lib.rs                                                       @DataDog/apm-core-python
src/native/library_config.rs                                            @DataDog/apm-core-python

@paullegranddc paullegranddc changed the title WIP feat(internal): native spans Oct 13, 2025
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github-actions bot commented Oct 13, 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: 241 ± 3 ms.

The average import time from base is: 243 ± 3 ms.

The import time difference between this PR and base is: -2.5 ± 0.1 ms.

Import time breakdown

The following import paths have grown:

ddtrace.auto 2.827 ms (1.17%)
ddtrace.bootstrap.sitecustomize 2.046 ms (0.85%)
ddtrace.bootstrap.preload 1.405 ms (0.58%)
multiprocessing 0.795 ms (0.33%)
multiprocessing.context 0.795 ms (0.33%)
multiprocessing.process 0.734 ms (0.30%)
multiprocessing.reduction 0.061 ms (0.03%)
pickle 0.061 ms (0.03%)
_compat_pickle 0.061 ms (0.03%)
ddtrace.internal.products 0.168 ms (0.07%)
importlib.metadata 0.168 ms (0.07%)
importlib.abc 0.065 ms (0.03%)
importlib.resources 0.065 ms (0.03%)
importlib.resources._common 0.065 ms (0.03%)
importlib.resources._adapters 0.065 ms (0.03%)
importlib.metadata._meta 0.057 ms (0.02%)
ddtrace.settings.profiling 0.158 ms (0.07%)
ddtrace.vendor.psutil 0.094 ms (0.04%)
ddtrace.internal.datadog.profiling 0.063 ms (0.03%)
ddtrace.internal.datadog 0.063 ms (0.03%)
ddtrace.internal.symbol_db.remoteconfig 0.112 ms (0.05%)
ddtrace.internal.symbol_db.symbols 0.112 ms (0.05%)
ddtrace.debugging._import 0.098 ms (0.04%)
multiprocessing.sharedctypes 0.076 ms (0.03%)
multiprocessing.heap 0.076 ms (0.03%)
ddtrace 0.781 ms (0.32%)
ddtrace.trace 0.781 ms (0.32%)
ddtrace._trace.tracer 0.721 ms (0.30%)
ddtrace.internal.debug 0.721 ms (0.30%)
ddtrace._trace.filters 0.060 ms (0.02%)
ddtrace._trace.processor 0.060 ms (0.02%)
ddtrace.internal.writer 0.060 ms (0.02%)
ddtrace.internal.writer.writer 0.060 ms (0.02%)
ddtrace.internal.writer.writer_client 0.060 ms (0.02%)

The following import paths have shrunk:

ddtrace.auto 4.935 ms (2.05%)
ddtrace.bootstrap.sitecustomize 3.435 ms (1.43%)
ddtrace.bootstrap.preload 2.799 ms (1.16%)
ddtrace.internal.remoteconfig._publishers 0.676 ms (0.28%)
ddtrace.internal.remoteconfig.client 0.665 ms (0.28%)
ddtrace.settings.profiling 0.247 ms (0.10%)
ddtrace.internal.datadog.profiling.ddup 0.073 ms (0.03%)
ddtrace.internal.datadog.profiling.ddup._ddup 0.073 ms (0.03%)
ddtrace.internal.datadog.profiling._types 0.073 ms (0.03%)
ddtrace.vendor.psutil 0.071 ms (0.03%)
ddtrace.vendor.psutil._pslinux 0.071 ms (0.03%)
glob 0.071 ms (0.03%)
ddtrace.internal.products 0.141 ms (0.06%)
importlib.metadata 0.141 ms (0.06%)
importlib.metadata._adapters 0.073 ms (0.03%)
importlib.abc 0.068 ms (0.03%)
importlib.resources 0.068 ms (0.03%)
importlib.resources._common 0.068 ms (0.03%)
importlib.resources.abc 0.068 ms (0.03%)
multiprocessing 0.124 ms (0.05%)
multiprocessing.context 0.124 ms (0.05%)
multiprocessing.reduction 0.124 ms (0.05%)
pickle 0.063 ms (0.03%)
ddtrace.internal.symbol_db.remoteconfig 0.097 ms (0.04%)
multiprocessing.sharedctypes 0.070 ms (0.03%)
multiprocessing.heap 0.070 ms (0.03%)
multiprocessing.util 0.070 ms (0.03%)
ddtrace._trace.trace_handlers 0.637 ms (0.26%)
ddtrace.contrib.trace_utils 0.637 ms (0.26%)
ddtrace.contrib.internal.trace_utils_async 0.637 ms (0.26%)
ddtrace 1.500 ms (0.62%)
ddtrace.trace 0.757 ms (0.31%)
ddtrace._trace.tracer 0.704 ms (0.29%)
ddtrace._trace.processor.resource_renaming 0.704 ms (0.29%)
ddtrace._trace.filters 0.053 ms (0.02%)
ddtrace._trace.processor 0.053 ms (0.02%)
ddtrace.internal.writer 0.053 ms (0.02%)
ddtrace.internal.writer.writer 0.053 ms (0.02%)
ddtrace.internal.dogstatsd 0.053 ms (0.02%)
ddtrace.vendor.dogstatsd 0.053 ms (0.02%)
ddtrace.vendor.dogstatsd.base 0.053 ms (0.02%)
ddtrace._logger 0.054 ms (0.02%)
ddtrace.internal.telemetry 0.054 ms (0.02%)
ddtrace.settings._agent 0.054 ms (0.02%)
ddtrace.settings._core 0.054 ms (0.02%)
ddtrace.internal.native 0.054 ms (0.02%)
ddtrace.internal.native._native 0.054 ms (0.02%)
ddtrace.internal._unpatched 0.030 ms (0.01%)
json 0.030 ms (0.01%)
json.decoder 0.030 ms (0.01%)
re 0.030 ms (0.01%)
enum 0.030 ms (0.01%)
types 0.030 ms (0.01%)

P403n1x87
P403n1x87 reviewed Oct 13, 2025
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ddtrace/_trace/span.py
f"parent_id={self.parent_id}, "
f"trace_id={self.trace_id}, "
f"service='{self.service}', "
f"Span(name='{self.data.name}', "
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@P403n1x87 P403n1x87 Oct 13, 2025 •
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Suggested change
f"Span(name='{self.data.name}', "
data = self.data
f"Span(name='{data.name}', "

@paullegranddc paullegranddc changed the title feat(internal): native spans feat(internal): native spans - WIP Oct 13, 2025
P403n1x87
P403n1x87 reviewed Oct 13, 2025
View reviewed changes
ddtrace/_trace/span.py
return self._store.get(key)

@property
def service(self):
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I hope to be wrong, but I would expect these properties to have a fair bit of overhead 😟

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I had another idea to make ddtrace.Span inherit from the native spans, so I don't need these methods and getting service would call to native code (I think?)

Also eventually I want to completely move all methods/setter/getters to native code so these should disappear

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pr-commenter bot commented Oct 13, 2025 •
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Performance SLOs

Comparing candidate paullgdc/native/span (0f99330) with baseline main (b6d846e)

❌ Test Failures (4 suites)
❌ djangosimple - 5/28

❌ appsec

Time: ❌ 23.777ms (SLO: <22.300ms +6.6%) vs baseline: 📈 +15.9%

Memory: ❌ 69.240MB (SLO: <67.000MB +3.3%) vs baseline: 📈 +10.9%

✅ exception-replay-enabled

Time: ✅ 1.438ms (SLO: <1.450ms 🟡 -0.8%) vs baseline: +6.9%

Memory: ✅ 63.935MB (SLO: <67.000MB -4.6%) vs baseline: +3.8%

❌ iast

Time: ❌ 23.809ms (SLO: <22.250ms +7.0%) vs baseline: 📈 +16.3%

Memory: ❌ 69.201MB (SLO: <67.000MB +3.3%) vs baseline: 📈 +10.8%

✅ profiler

Time: ✅ 15.303ms (SLO: <16.550ms -7.5%) vs baseline: ~same

Memory: ✅ 53.703MB (SLO: <54.500MB 🟡 -1.5%) vs baseline: +4.8%

❌ resource-renaming

Time: ❌ 21.843ms (SLO: <21.750ms +0.4%) vs baseline: +6.3%

Memory: ❌ 80.757MB (SLO: <67.000MB 📈 +20.5%) vs baseline: 📈 +29.3%

❌ tracer

Time: ❌ 23.793ms (SLO: <21.750ms +9.4%) vs baseline: 📈 +16.1%

Memory: ❌ 69.217MB (SLO: <67.000MB +3.3%) vs baseline: 📈 +10.9%

❌ tracer-and-profiler

Time: ✅ 23.184ms (SLO: <23.500ms 🟡 -1.3%) vs baseline: +5.1%

Memory: ❌ 84.374MB (SLO: <67.500MB 📈 +25.0%) vs baseline: 📈 +32.8%

❌ tracer-dont-create-db-spans

Time: ❌ 21.806ms (SLO: <21.500ms +1.4%) vs baseline: 📈 +12.7%

Memory: ❌ 69.270MB (SLO: <66.000MB +5.0%) vs baseline: 📈 +10.9%

❌ tracer-minimal

Time: ❌ 18.082ms (SLO: <17.500ms +3.3%) vs baseline: +8.8%

Memory: ❌ 68.811MB (SLO: <66.000MB +4.3%) vs baseline: 📈 +10.3%

❌ tracer-native

Time: ❌ 23.741ms (SLO: <21.750ms +9.2%) vs baseline: 📈 +15.3%

Memory: ❌ 74.943MB (SLO: <72.500MB +3.4%) vs baseline: 📈 +10.1%

❌ tracer-no-caches

Time: ❌ 20.901ms (SLO: <19.650ms +6.4%) vs baseline: 📈 +13.4%

Memory: ❌ 69.049MB (SLO: <67.000MB +3.1%) vs baseline: 📈 +10.6%

❌ tracer-no-databases

Time: ❌ 21.176ms (SLO: <20.100ms +5.4%) vs baseline: 📈 +12.6%

Memory: ❌ 68.855MB (SLO: <67.000MB +2.8%) vs baseline: 📈 +10.3%

❌ tracer-no-middleware

Time: ❌ 23.491ms (SLO: <21.500ms +9.3%) vs baseline: 📈 +16.3%

Memory: ❌ 69.080MB (SLO: <67.000MB +3.1%) vs baseline: 📈 +10.6%

❌ tracer-no-templates

Time: ❌ 23.546ms (SLO: <22.000ms +7.0%) vs baseline: 📈 +15.7%

Memory: ❌ 69.129MB (SLO: <67.000MB +3.2%) vs baseline: 📈 +10.7%

❌ errortrackingdjangosimple - 0/6

❌ errortracking-enabled-all

Time: ❌ 20.475ms (SLO: <19.850ms +3.1%) vs baseline: 📈 +13.4%

Memory: ❌ 68.821MB (SLO: <66.500MB +3.5%) vs baseline: 📈 +10.7%

❌ errortracking-enabled-user

Time: ❌ 20.468ms (SLO: <19.400ms +5.5%) vs baseline: 📈 +13.1%

Memory: ❌ 68.826MB (SLO: <66.500MB +3.5%) vs baseline: 📈 +10.5%

❌ tracer-enabled

Time: ❌ 20.517ms (SLO: <19.450ms +5.5%) vs baseline: 📈 +13.7%

Memory: ❌ 68.703MB (SLO: <66.500MB +3.3%) vs baseline: 📈 +10.5%

❌ recursivecomputation - 1/8

❌ deep

Time: ❌ 338.392ms (SLO: <320.950ms +5.4%) vs baseline: +9.6%

Memory: ❌ 35.409MB (SLO: <34.500MB +2.6%) vs baseline: 📈 +12.5%

❌ deep-profiled

Time: ✅ 337.903ms (SLO: <359.150ms -5.9%) vs baseline: +3.2%

Memory: ❌ 241.189MB (SLO: <39.000MB 📈 +518.4%) vs baseline: 📈 +573.5%

❌ medium

Time: ❌ 10.710ms (SLO: <7.400ms 📈 +44.7%) vs baseline: 📈 +51.6%

Memory: ❌ 34.485MB (SLO: <34.000MB +1.4%) vs baseline: 📈 +12.9%

❌ shallow

Time: ❌ 1.721ms (SLO: <1.050ms 📈 +63.9%) vs baseline: 📈 +79.6%

Memory: ❌ 34.111MB (SLO: <34.000MB +0.3%) vs baseline: 📈 +11.3%

❌ span - 17/18

✅ add-event

Time: ✅ 21.991ms (SLO: <22.500ms -2.3%) vs baseline: +6.4%

Memory: ✅ 52.036MB (SLO: <53.000MB 🟡 -1.8%) vs baseline: +8.3%

✅ add-metrics

Time: ✅ 92.072ms (SLO: <93.500ms 🟡 -1.5%) vs baseline: +1.0%

Memory: ✅ 589.967MB (SLO: <961.000MB 📉 -38.6%) vs baseline: -6.4%

✅ add-tags

Time: ✅ 150.826ms (SLO: <155.000ms -2.7%) vs baseline: +2.5%

Memory: ✅ 590.309MB (SLO: <962.500MB 📉 -38.7%) vs baseline: -6.5%

✅ get-context

Time: ✅ 20.295ms (SLO: <20.500ms 🟡 -1.0%) vs baseline: +5.0%

Memory: ✅ 50.879MB (SLO: <53.000MB -4.0%) vs baseline: +8.4%

❌ is-recording

Time: ❌ 21.028ms (SLO: <20.500ms +2.6%) vs baseline: +7.7%

Memory: ✅ 50.887MB (SLO: <53.000MB -4.0%) vs baseline: +8.6%

✅ record-exception

Time: ✅ 40.162ms (SLO: <40.000ms +0.4%) vs baseline: +5.2%

Memory: ✅ 43.602MB (SLO: <53.000MB 📉 -17.7%) vs baseline: +6.8%

✅ start

Time: ✅ 20.466ms (SLO: <20.500ms 🟡 -0.2%) vs baseline: +6.6%

Memory: ✅ 50.893MB (SLO: <53.000MB -4.0%) vs baseline: +8.4%

✅ start-traceid128

Time: ✅ 21.227ms (SLO: <22.500ms -5.7%) vs baseline: +8.5%

Memory: ✅ 50.901MB (SLO: <53.000MB -4.0%) vs baseline: +8.7%

✅ update-name

Time: ✅ 21.391ms (SLO: <22.000ms -2.8%) vs baseline: +10.0%

Memory: ✅ 51.547MB (SLO: <53.000MB -2.7%) vs baseline: +8.5%

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

✅ ospathbasename_aspect

Time: ✅ 4.296µs (SLO: <10.000µs 📉 -57.0%) vs baseline: +0.2%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +5.1%

✅ ospathbasename_noaspect

Time: ✅ 1.086µs (SLO: <10.000µs 📉 -89.1%) vs baseline: -0.3%

Memory: ✅ 37.690MB (SLO: <39.000MB -3.4%) vs baseline: +4.8%

✅ ospathjoin_aspect

Time: ✅ 6.142µs (SLO: <10.000µs 📉 -38.6%) vs baseline: -0.4%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +4.9%

✅ ospathjoin_noaspect

Time: ✅ 2.284µs (SLO: <10.000µs 📉 -77.2%) vs baseline: -0.5%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +5.0%

✅ ospathnormcase_aspect

Time: ✅ 3.495µs (SLO: <10.000µs 📉 -65.0%) vs baseline: ~same

Memory: ✅ 37.670MB (SLO: <39.000MB -3.4%) vs baseline: +5.0%

✅ ospathnormcase_noaspect

Time: ✅ 0.572µs (SLO: <10.000µs 📉 -94.3%) vs baseline: -0.8%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +5.0%

✅ ospathsplit_aspect

Time: ✅ 5.794µs (SLO: <10.000µs 📉 -42.1%) vs baseline: 📈 +18.6%

Memory: ✅ 37.749MB (SLO: <39.000MB -3.2%) vs baseline: +4.9%

✅ ospathsplit_noaspect

Time: ✅ 1.598µs (SLO: <10.000µs 📉 -84.0%) vs baseline: ~same

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +5.1%

✅ ospathsplitdrive_aspect

Time: ✅ 4.084µs (SLO: <10.000µs 📉 -59.2%) vs baseline: 📈 +10.6%

Memory: ✅ 37.749MB (SLO: <39.000MB -3.2%) vs baseline: +5.1%

✅ ospathsplitdrive_noaspect

Time: ✅ 0.698µs (SLO: <10.000µs 📉 -93.0%) vs baseline: -2.1%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +5.1%

✅ ospathsplitext_aspect

Time: ✅ 4.593µs (SLO: <10.000µs 📉 -54.1%) vs baseline: +0.7%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +4.8%

✅ ospathsplitext_noaspect

Time: ✅ 1.396µs (SLO: <10.000µs 📉 -86.0%) vs baseline: -0.3%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +5.0%

📈 otelspan - 16/16

✅ add-event

Time: ✅ 41.087ms (SLO: <47.150ms 📉 -12.9%) vs baseline: -1.3%

Memory: ✅ 44.723MB (SLO: <47.000MB -4.8%) vs baseline: +5.4%

✅ add-metrics

Time: ✅ 94.242ms (SLO: <344.800ms 📉 -72.7%) vs baseline: 📉 -70.3%

Memory: ✅ 39.474MB (SLO: <600.000MB 📉 -93.4%) vs baseline: 📉 -93.1%

✅ add-tags

Time: ✅ 94.654ms (SLO: <314.000ms 📉 -69.9%) vs baseline: 📉 -67.1%

Memory: ✅ 39.449MB (SLO: <600.000MB 📉 -93.4%) vs baseline: 📉 -93.1%

✅ is-recording

Time: ✅ 39.613ms (SLO: <44.500ms 📉 -11.0%) vs baseline: +2.9%

Memory: ✅ 44.695MB (SLO: <47.500MB -5.9%) vs baseline: +6.5%

✅ record-exception

Time: ✅ 39.964ms (SLO: <67.650ms 📉 -40.9%) vs baseline: 📉 -31.6%

Memory: ✅ 44.709MB (SLO: <47.000MB -4.9%) vs baseline: 📈 +16.5%

✅ set-status

Time: ✅ 40.064ms (SLO: <50.400ms 📉 -20.5%) vs baseline: -9.5%

Memory: ✅ 44.718MB (SLO: <47.000MB -4.9%) vs baseline: +6.6%

✅ start

Time: ✅ 40.988ms (SLO: <43.450ms -5.7%) vs baseline: +7.0%

Memory: ✅ 44.710MB (SLO: <47.000MB -4.9%) vs baseline: +6.7%

✅ update-name

Time: ✅ 40.707ms (SLO: <45.150ms -9.8%) vs baseline: +3.0%

Memory: ✅ 44.732MB (SLO: <47.000MB -4.8%) vs baseline: +6.2%

🟡 Near SLO Breach (1 suite)
🟡 flasksimple - 6/6

✅ debugger

Time: ✅ 1.873ms (SLO: <2.000ms -6.4%) vs baseline: +0.6%

Memory: ✅ 45.436MB (SLO: <47.000MB -3.3%) vs baseline: +4.9%

✅ iast-get

Time: ✅ 1.865ms (SLO: <2.000ms -6.8%) vs baseline: +0.3%

Memory: ✅ 42.310MB (SLO: <49.000MB 📉 -13.7%) vs baseline: +4.7%

✅ profiler

Time: ✅ 1.918ms (SLO: <2.100ms -8.6%) vs baseline: +0.3%

Memory: ✅ 46.380MB (SLO: <47.000MB 🟡 -1.3%) vs baseline: +4.6%

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

⚠️ context_with_data_listeners

Time: ⚠️ 13.277µs (SLO: <20.000µs 📉 -33.6%) vs baseline: +0.2%

Memory: ✅ 31.654MB (SLO: <33.500MB -5.5%) vs baseline: +3.3%

✅ context_with_data_no_listeners

Time: ✅ 3.278µs (SLO: <10.000µs 📉 -67.2%) vs baseline: +0.6%

Memory: ✅ 31.752MB (SLO: <33.500MB -5.2%) vs baseline: +3.8%

✅ get_item_exists

Time: ✅ 0.584µs (SLO: <10.000µs 📉 -94.2%) vs baseline: -0.3%

Memory: ✅ 31.693MB (SLO: <33.500MB -5.4%) vs baseline: +3.5%

✅ get_item_missing

Time: ✅ 0.633µs (SLO: <10.000µs 📉 -93.7%) vs baseline: -2.2%

Memory: ✅ 31.752MB (SLO: <33.500MB -5.2%) vs baseline: +3.8%

✅ set_item

Time: ✅ 24.136µs (SLO: <30.000µs 📉 -19.5%) vs baseline: +0.6%

Memory: ✅ 31.733MB (SLO: <33.500MB -5.3%) vs baseline: +3.6%

✅ All Tests Passing (12 suites)
✅ httppropagationextract - 60/60

✅ all_styles_all_headers

Time: ✅ 81.091µs (SLO: <100.000µs 📉 -18.9%) vs baseline: -0.4%

Memory: ✅ 32.185MB (SLO: <33.500MB -3.9%) vs baseline: +4.9%

✅ b3_headers

Time: ✅ 14.275µs (SLO: <20.000µs 📉 -28.6%) vs baseline: +0.3%

Memory: ✅ 32.204MB (SLO: <33.500MB -3.9%) vs baseline: +4.9%

✅ b3_single_headers

Time: ✅ 13.489µs (SLO: <20.000µs 📉 -32.6%) vs baseline: +1.6%

Memory: ✅ 32.126MB (SLO: <33.500MB -4.1%) vs baseline: +4.8%

✅ datadog_tracecontext_tracestate_not_propagated_on_trace_id_no_match

Time: ✅ 63.750µs (SLO: <80.000µs 📉 -20.3%) vs baseline: -0.4%

Memory: ✅ 32.126MB (SLO: <33.500MB -4.1%) vs baseline: +4.7%

✅ datadog_tracecontext_tracestate_propagated_on_trace_id_match

Time: ✅ 66.090µs (SLO: <80.000µs 📉 -17.4%) vs baseline: -0.2%

Memory: ✅ 32.224MB (SLO: <33.500MB -3.8%) vs baseline: +4.9%

✅ empty_headers

Time: ✅ 1.608µs (SLO: <10.000µs 📉 -83.9%) vs baseline: +0.5%

Memory: ✅ 32.185MB (SLO: <33.500MB -3.9%) vs baseline: +5.0%

✅ full_t_id_datadog_headers

Time: ✅ 22.865µs (SLO: <30.000µs 📉 -23.8%) vs baseline: ~same

Memory: ✅ 32.204MB (SLO: <33.500MB -3.9%) vs baseline: +4.9%

✅ invalid_priority_header

Time: ✅ 6.533µs (SLO: <10.000µs 📉 -34.7%) vs baseline: +0.3%

Memory: ✅ 32.165MB (SLO: <33.500MB -4.0%) vs baseline: +5.0%

✅ invalid_span_id_header

Time: ✅ 6.500µs (SLO: <10.000µs 📉 -35.0%) vs baseline: -0.6%

Memory: ✅ 32.126MB (SLO: <33.500MB -4.1%) vs baseline: +4.9%

✅ invalid_tags_header

Time: ✅ 6.623µs (SLO: <10.000µs 📉 -33.8%) vs baseline: +2.2%

Memory: ✅ 32.165MB (SLO: <33.500MB -4.0%) vs baseline: +4.9%

✅ invalid_trace_id_header

Time: ✅ 6.638µs (SLO: <10.000µs 📉 -33.6%) vs baseline: +2.1%

Memory: ✅ 32.165MB (SLO: <33.500MB -4.0%) vs baseline: +4.8%

✅ large_header_no_matches

Time: ✅ 27.491µs (SLO: <30.000µs -8.4%) vs baseline: +0.1%

Memory: ✅ 32.185MB (SLO: <33.500MB -3.9%) vs baseline: +4.9%

✅ large_valid_headers_all

Time: ✅ 28.804µs (SLO: <40.000µs 📉 -28.0%) vs baseline: +0.3%

Memory: ✅ 32.224MB (SLO: <33.500MB -3.8%) vs baseline: +5.0%

✅ medium_header_no_matches

Time: ✅ 9.828µs (SLO: <20.000µs 📉 -50.9%) vs baseline: -0.2%

Memory: ✅ 32.185MB (SLO: <33.500MB -3.9%) vs baseline: +4.9%

✅ medium_valid_headers_all

Time: ✅ 11.376µs (SLO: <20.000µs 📉 -43.1%) vs baseline: +1.7%

Memory: ✅ 32.145MB (SLO: <33.500MB -4.0%) vs baseline: +4.9%

✅ none_propagation_style

Time: ✅ 1.695µs (SLO: <10.000µs 📉 -83.1%) vs baseline: -0.9%

Memory: ✅ 32.185MB (SLO: <33.500MB -3.9%) vs baseline: +5.1%

✅ tracecontext_headers

Time: ✅ 34.615µs (SLO: <40.000µs 📉 -13.5%) vs baseline: +1.4%

Memory: ✅ 32.165MB (SLO: <33.500MB -4.0%) vs baseline: +4.9%

✅ valid_headers_all

Time: ✅ 6.471µs (SLO: <10.000µs 📉 -35.3%) vs baseline: -0.4%

Memory: ✅ 32.126MB (SLO: <33.500MB -4.1%) vs baseline: +4.7%

✅ valid_headers_basic

Time: ✅ 6.224µs (SLO: <10.000µs 📉 -37.8%) vs baseline: +3.3%

Memory: ✅ 32.204MB (SLO: <33.500MB -3.9%) vs baseline: +5.0%

✅ wsgi_empty_headers

Time: ✅ 1.595µs (SLO: <10.000µs 📉 -84.1%) vs baseline: -0.7%

Memory: ✅ 32.165MB (SLO: <33.500MB -4.0%) vs baseline: +4.7%

✅ wsgi_invalid_priority_header

Time: ✅ 6.574µs (SLO: <10.000µs 📉 -34.3%) vs baseline: +0.2%

Memory: ✅ 32.165MB (SLO: <33.500MB -4.0%) vs baseline: +5.0%

✅ wsgi_invalid_span_id_header

Time: ✅ 1.602µs (SLO: <10.000µs 📉 -84.0%) vs baseline: +0.8%

Memory: ✅ 32.165MB (SLO: <33.500MB -4.0%) vs baseline: +4.7%

✅ wsgi_invalid_tags_header

Time: ✅ 6.522µs (SLO: <10.000µs 📉 -34.8%) vs baseline: -0.9%

Memory: ✅ 32.185MB (SLO: <33.500MB -3.9%) vs baseline: +5.1%

✅ wsgi_invalid_trace_id_header

Time: ✅ 6.591µs (SLO: <10.000µs 📉 -34.1%) vs baseline: +0.3%

Memory: ✅ 32.165MB (SLO: <33.500MB -4.0%) vs baseline: +4.9%

✅ wsgi_large_header_no_matches

Time: ✅ 28.671µs (SLO: <40.000µs 📉 -28.3%) vs baseline: ~same

Memory: ✅ 32.165MB (SLO: <33.500MB -4.0%) vs baseline: +4.9%

✅ wsgi_large_valid_headers_all

Time: ✅ 29.855µs (SLO: <40.000µs 📉 -25.4%) vs baseline: ~same

Memory: ✅ 32.145MB (SLO: <33.500MB -4.0%) vs baseline: +4.9%

✅ wsgi_medium_header_no_matches

Time: ✅ 10.083µs (SLO: <20.000µs 📉 -49.6%) vs baseline: -0.3%

Memory: ✅ 32.067MB (SLO: <33.500MB -4.3%) vs baseline: +4.7%

✅ wsgi_medium_valid_headers_all

Time: ✅ 11.512µs (SLO: <20.000µs 📉 -42.4%) vs baseline: -0.2%

Memory: ✅ 32.126MB (SLO: <33.500MB -4.1%) vs baseline: +4.7%

✅ wsgi_valid_headers_all

Time: ✅ 6.554µs (SLO: <10.000µs 📉 -34.5%) vs baseline: -0.1%

Memory: ✅ 32.204MB (SLO: <33.500MB -3.9%) vs baseline: +4.9%

✅ wsgi_valid_headers_basic

Time: ✅ 6.109µs (SLO: <10.000µs 📉 -38.9%) vs baseline: +0.2%

Memory: ✅ 32.106MB (SLO: <33.500MB -4.2%) vs baseline: +4.7%

✅ httppropagationinject - 16/16

✅ ids_only

Time: ✅ 21.912µs (SLO: <30.000µs 📉 -27.0%) vs baseline: +0.7%

Memory: ✅ 32.224MB (SLO: <33.500MB -3.8%) vs baseline: +4.9%

✅ with_all

Time: ✅ 29.193µs (SLO: <40.000µs 📉 -27.0%) vs baseline: +0.3%

Memory: ✅ 32.106MB (SLO: <33.500MB -4.2%) vs baseline: +4.6%

✅ with_dd_origin

Time: ✅ 25.747µs (SLO: <30.000µs 📉 -14.2%) vs baseline: +0.6%

Memory: ✅ 32.185MB (SLO: <33.500MB -3.9%) vs baseline: +5.1%

✅ with_priority_and_origin

Time: ✅ 25.067µs (SLO: <40.000µs 📉 -37.3%) vs baseline: +0.9%

Memory: ✅ 32.165MB (SLO: <33.500MB -4.0%) vs baseline: +4.8%

✅ with_sampling_priority

Time: ✅ 21.880µs (SLO: <30.000µs 📉 -27.1%) vs baseline: +0.5%

Memory: ✅ 32.204MB (SLO: <33.500MB -3.9%) vs baseline: +4.9%

✅ with_tags

Time: ✅ 27.439µs (SLO: <40.000µs 📉 -31.4%) vs baseline: +0.9%

Memory: ✅ 32.106MB (SLO: <33.500MB -4.2%) vs baseline: +4.7%

✅ with_tags_invalid

Time: ✅ 28.912µs (SLO: <40.000µs 📉 -27.7%) vs baseline: +0.6%

Memory: ✅ 32.185MB (SLO: <33.500MB -3.9%) vs baseline: +5.1%

✅ with_tags_max_size

Time: ✅ 28.874µs (SLO: <40.000µs 📉 -27.8%) vs baseline: +4.5%

Memory: ✅ 32.145MB (SLO: <33.500MB -4.0%) vs baseline: +4.7%

✅ iast_aspects - 40/40

✅ re_expand_aspect

Time: ✅ 31.827µs (SLO: <40.000µs 📉 -20.4%) vs baseline: ~same

Memory: ✅ 37.749MB (SLO: <39.000MB -3.2%) vs baseline: +5.0%

✅ re_expand_noaspect

Time: ✅ 28.515µs (SLO: <40.000µs 📉 -28.7%) vs baseline: -0.4%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +4.9%

✅ re_findall_aspect

Time: ✅ 2.910µs (SLO: <10.000µs 📉 -70.9%) vs baseline: ~same

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +4.9%

✅ re_findall_noaspect

Time: ✅ 1.441µs (SLO: <10.000µs 📉 -85.6%) vs baseline: +2.1%

Memory: ✅ 37.749MB (SLO: <39.000MB -3.2%) vs baseline: +5.1%

✅ re_finditer_aspect

Time: ✅ 4.410µs (SLO: <10.000µs 📉 -55.9%) vs baseline: -2.1%

Memory: ✅ 37.749MB (SLO: <39.000MB -3.2%) vs baseline: +5.1%

✅ re_finditer_noaspect

Time: ✅ 1.411µs (SLO: <10.000µs 📉 -85.9%) vs baseline: +0.9%

Memory: ✅ 37.690MB (SLO: <39.000MB -3.4%) vs baseline: +4.7%

✅ re_fullmatch_aspect

Time: ✅ 2.685µs (SLO: <10.000µs 📉 -73.2%) vs baseline: -0.2%

Memory: ✅ 37.749MB (SLO: <39.000MB -3.2%) vs baseline: +5.0%

✅ re_fullmatch_noaspect

Time: ✅ 1.294µs (SLO: <10.000µs 📉 -87.1%) vs baseline: +0.1%

Memory: ✅ 37.749MB (SLO: <39.000MB -3.2%) vs baseline: +5.0%

✅ re_group_aspect

Time: ✅ 2.902µs (SLO: <10.000µs 📉 -71.0%) vs baseline: -1.1%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +5.0%

✅ re_group_noaspect

Time: ✅ 1.604µs (SLO: <10.000µs 📉 -84.0%) vs baseline: +0.2%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +5.0%

✅ re_groups_aspect

Time: ✅ 3.211µs (SLO: <10.000µs 📉 -67.9%) vs baseline: +4.2%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +5.1%

✅ re_groups_noaspect

Time: ✅ 1.699µs (SLO: <10.000µs 📉 -83.0%) vs baseline: +0.7%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +5.0%

✅ re_match_aspect

Time: ✅ 2.665µs (SLO: <10.000µs 📉 -73.3%) vs baseline: -2.2%

Memory: ✅ 37.670MB (SLO: <39.000MB -3.4%) vs baseline: +5.0%

✅ re_match_noaspect

Time: ✅ 1.310µs (SLO: <10.000µs 📉 -86.9%) vs baseline: +1.3%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +5.0%

✅ re_search_aspect

Time: ✅ 2.546µs (SLO: <10.000µs 📉 -74.5%) vs baseline: -0.3%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +5.1%

✅ re_search_noaspect

Time: ✅ 1.200µs (SLO: <10.000µs 📉 -88.0%) vs baseline: -0.7%

Memory: ✅ 37.690MB (SLO: <39.000MB -3.4%) vs baseline: +4.9%

✅ re_sub_aspect

Time: ✅ 3.382µs (SLO: <10.000µs 📉 -66.2%) vs baseline: -0.8%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +5.1%

✅ re_sub_noaspect

Time: ✅ 1.535µs (SLO: <10.000µs 📉 -84.7%) vs baseline: +1.5%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +5.0%

✅ re_subn_aspect

Time: ✅ 3.686µs (SLO: <10.000µs 📉 -63.1%) vs baseline: +1.0%

Memory: ✅ 37.749MB (SLO: <39.000MB -3.2%) vs baseline: +5.1%

✅ re_subn_noaspect

Time: ✅ 1.611µs (SLO: <10.000µs 📉 -83.9%) vs baseline: +0.1%

Memory: ✅ 37.749MB (SLO: <39.000MB -3.2%) vs baseline: +5.0%

✅ iastaspects - 118/118

✅ add_aspect

Time: ✅ 0.405µs (SLO: <10.000µs 📉 -95.9%) vs baseline: -0.5%

Memory: ✅ 37.690MB (SLO: <39.000MB -3.4%) vs baseline: +3.8%

✅ add_inplace_aspect

Time: ✅ 0.408µs (SLO: <10.000µs 📉 -95.9%) vs baseline: -1.5%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +4.1%

✅ add_inplace_noaspect

Time: ✅ 0.318µs (SLO: <10.000µs 📉 -96.8%) vs baseline: +0.5%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +3.8%

✅ add_noaspect

Time: ✅ 0.278µs (SLO: <10.000µs 📉 -97.2%) vs baseline: -0.4%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +4.1%

✅ bytearray_aspect

Time: ✅ 1.291µs (SLO: <10.000µs 📉 -87.1%) vs baseline: -2.4%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +4.0%

✅ bytearray_extend_aspect

Time: ✅ 1.487µs (SLO: <10.000µs 📉 -85.1%) vs baseline: +1.7%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +3.8%

✅ bytearray_extend_noaspect

Time: ✅ 0.613µs (SLO: <10.000µs 📉 -93.9%) vs baseline: -0.4%

Memory: ✅ 37.690MB (SLO: <39.000MB -3.4%) vs baseline: +3.7%

✅ bytearray_noaspect

Time: ✅ 0.484µs (SLO: <10.000µs 📉 -95.2%) vs baseline: -0.5%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +3.9%

✅ bytes_aspect

Time: ✅ 1.268µs (SLO: <10.000µs 📉 -87.3%) vs baseline: -1.9%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +3.9%

✅ bytes_noaspect

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

Memory: ✅ 37.631MB (SLO: <39.000MB -3.5%) vs baseline: +3.7%

✅ bytesio_aspect

Time: ✅ 1.291µs (SLO: <10.000µs 📉 -87.1%) vs baseline: -5.2%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +3.9%

✅ bytesio_noaspect

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

Memory: ✅ 37.690MB (SLO: <39.000MB -3.4%) vs baseline: +3.7%

✅ capitalize_aspect

Time: ✅ 0.740µs (SLO: <10.000µs 📉 -92.6%) vs baseline: +0.3%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +4.0%

✅ capitalize_noaspect

Time: ✅ 0.433µs (SLO: <10.000µs 📉 -95.7%) vs baseline: -0.5%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +3.9%

✅ casefold_aspect

Time: ✅ 0.737µs (SLO: <10.000µs 📉 -92.6%) vs baseline: -0.2%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +4.0%

✅ casefold_noaspect

Time: ✅ 0.370µs (SLO: <10.000µs 📉 -96.3%) vs baseline: +0.2%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +3.9%

✅ decode_aspect

Time: ✅ 0.724µs (SLO: <10.000µs 📉 -92.8%) vs baseline: ~same

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +3.7%

✅ decode_noaspect

Time: ✅ 0.421µs (SLO: <10.000µs 📉 -95.8%) vs baseline: -0.6%

Memory: ✅ 37.749MB (SLO: <39.000MB -3.2%) vs baseline: +4.0%

✅ encode_aspect

Time: ✅ 0.710µs (SLO: <10.000µs 📉 -92.9%) vs baseline: +0.3%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +3.9%

✅ encode_noaspect

Time: ✅ 0.402µs (SLO: <10.000µs 📉 -96.0%) vs baseline: +0.3%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +4.0%

✅ format_aspect

Time: ✅ 3.376µs (SLO: <10.000µs 📉 -66.2%) vs baseline: -0.6%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +3.8%

✅ format_map_aspect

Time: ✅ 3.593µs (SLO: <10.000µs 📉 -64.1%) vs baseline: -0.7%

Memory: ✅ 37.670MB (SLO: <39.000MB -3.4%) vs baseline: +3.9%

✅ format_map_noaspect

Time: ✅ 0.777µs (SLO: <10.000µs 📉 -92.2%) vs baseline: +0.5%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +3.8%

✅ format_noaspect

Time: ✅ 0.594µs (SLO: <10.000µs 📉 -94.1%) vs baseline: ~same

Memory: ✅ 37.690MB (SLO: <39.000MB -3.4%) vs baseline: +3.8%

✅ index_aspect

Time: ✅ 0.355µs (SLO: <10.000µs 📉 -96.5%) vs baseline: -0.6%

Memory: ✅ 37.670MB (SLO: <39.000MB -3.4%) vs baseline: +3.9%

✅ index_noaspect

Time: ✅ 0.276µs (SLO: <10.000µs 📉 -97.2%) vs baseline: ~same

Memory: ✅ 37.749MB (SLO: <39.000MB -3.2%) vs baseline: +3.8%

✅ join_aspect

Time: ✅ 1.348µs (SLO: <10.000µs 📉 -86.5%) vs baseline: -3.3%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +3.8%

✅ join_noaspect

Time: ✅ 0.492µs (SLO: <10.000µs 📉 -95.1%) vs baseline: -1.4%

Memory: ✅ 37.749MB (SLO: <39.000MB -3.2%) vs baseline: +3.9%

✅ ljust_aspect

Time: ✅ 2.471µs (SLO: <20.000µs 📉 -87.6%) vs baseline: -0.8%

Memory: ✅ 37.670MB (SLO: <39.000MB -3.4%) vs baseline: +3.8%

✅ ljust_noaspect

Time: ✅ 0.408µs (SLO: <10.000µs 📉 -95.9%) vs baseline: -0.3%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +4.1%

✅ lower_aspect

Time: ✅ 2.199µs (SLO: <10.000µs 📉 -78.0%) vs baseline: -1.3%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +3.8%

✅ lower_noaspect

Time: ✅ 0.369µs (SLO: <10.000µs 📉 -96.3%) vs baseline: -1.5%

Memory: ✅ 37.749MB (SLO: <39.000MB -3.2%) vs baseline: +4.0%

✅ lstrip_aspect

Time: ✅ 2.227µs (SLO: <20.000µs 📉 -88.9%) vs baseline: -0.6%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +3.8%

✅ lstrip_noaspect

Time: ✅ 0.386µs (SLO: <10.000µs 📉 -96.1%) vs baseline: +1.5%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +3.9%

✅ modulo_aspect

Time: ✅ 0.998µs (SLO: <10.000µs 📉 -90.0%) vs baseline: -1.0%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +3.9%

✅ modulo_aspect_for_bytearray_bytearray

Time: ✅ 1.524µs (SLO: <10.000µs 📉 -84.8%) vs baseline: -1.1%

Memory: ✅ 37.670MB (SLO: <39.000MB -3.4%) vs baseline: +3.7%

✅ modulo_aspect_for_bytes

Time: ✅ 0.965µs (SLO: <10.000µs 📉 -90.3%) vs baseline: -0.9%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +3.9%

✅ modulo_aspect_for_bytes_bytearray

Time: ✅ 1.195µs (SLO: <10.000µs 📉 -88.0%) vs baseline: -0.4%

Memory: ✅ 37.690MB (SLO: <39.000MB -3.4%) vs baseline: +3.8%

✅ modulo_noaspect

Time: ✅ 0.627µs (SLO: <10.000µs 📉 -93.7%) vs baseline: -0.6%

Memory: ✅ 37.749MB (SLO: <39.000MB -3.2%) vs baseline: +4.0%

✅ replace_aspect

Time: ✅ 4.792µs (SLO: <10.000µs 📉 -52.1%) vs baseline: -1.1%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +3.9%

✅ replace_noaspect

Time: ✅ 0.460µs (SLO: <10.000µs 📉 -95.4%) vs baseline: -0.6%

Memory: ✅ 37.690MB (SLO: <39.000MB -3.4%) vs baseline: +3.8%

✅ repr_aspect

Time: ✅ 0.907µs (SLO: <10.000µs 📉 -90.9%) vs baseline: -0.2%

Memory: ✅ 37.670MB (SLO: <39.000MB -3.4%) vs baseline: +3.7%

✅ repr_noaspect

Time: ✅ 0.420µs (SLO: <10.000µs 📉 -95.8%) vs baseline: +1.2%

Memory: ✅ 37.749MB (SLO: <39.000MB -3.2%) vs baseline: +4.2%

✅ rstrip_aspect

Time: ✅ 1.904µs (SLO: <20.000µs 📉 -90.5%) vs baseline: -0.9%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +3.9%

✅ rstrip_noaspect

Time: ✅ 0.383µs (SLO: <10.000µs 📉 -96.2%) vs baseline: +1.1%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +4.0%

✅ slice_aspect

Time: ✅ 0.500µs (SLO: <10.000µs 📉 -95.0%) vs baseline: +1.7%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +3.9%

✅ slice_noaspect

Time: ✅ 0.443µs (SLO: <10.000µs 📉 -95.6%) vs baseline: -0.6%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +4.0%

✅ stringio_aspect

Time: ✅ 1.537µs (SLO: <10.000µs 📉 -84.6%) vs baseline: +0.4%

Memory: ✅ 37.650MB (SLO: <39.000MB -3.5%) vs baseline: +3.9%

✅ stringio_noaspect

Time: ✅ 0.718µs (SLO: <10.000µs 📉 -92.8%) vs baseline: +0.3%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +3.8%

✅ strip_aspect

Time: ✅ 2.202µs (SLO: <20.000µs 📉 -89.0%) vs baseline: -0.3%

Memory: ✅ 37.670MB (SLO: <39.000MB -3.4%) vs baseline: +3.8%

✅ strip_noaspect

Time: ✅ 0.385µs (SLO: <10.000µs 📉 -96.1%) vs baseline: +0.2%

Memory: ✅ 37.749MB (SLO: <39.000MB -3.2%) vs baseline: +4.1%

✅ swapcase_aspect

Time: ✅ 2.430µs (SLO: <10.000µs 📉 -75.7%) vs baseline: +0.1%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +3.9%

✅ swapcase_noaspect

Time: ✅ 0.537µs (SLO: <10.000µs 📉 -94.6%) vs baseline: -0.8%

Memory: ✅ 37.690MB (SLO: <39.000MB -3.4%) vs baseline: +3.8%

✅ title_aspect

Time: ✅ 2.332µs (SLO: <10.000µs 📉 -76.7%) vs baseline: -0.3%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +4.0%

✅ title_noaspect

Time: ✅ 0.500µs (SLO: <10.000µs 📉 -95.0%) vs baseline: -1.2%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +3.9%

✅ translate_aspect

Time: ✅ 3.186µs (SLO: <10.000µs 📉 -68.1%) vs baseline: -0.6%

Memory: ✅ 37.749MB (SLO: <39.000MB -3.2%) vs baseline: +3.8%

✅ translate_noaspect

Time: ✅ 1.038µs (SLO: <10.000µs 📉 -89.6%) vs baseline: -1.0%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +4.1%

✅ upper_aspect

Time: ✅ 2.213µs (SLO: <10.000µs 📉 -77.9%) vs baseline: -0.3%

Memory: ✅ 37.690MB (SLO: <39.000MB -3.4%) vs baseline: +3.7%

✅ upper_noaspect

Time: ✅ 0.372µs (SLO: <10.000µs 📉 -96.3%) vs baseline: +0.6%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +4.0%

✅ iastaspectssplit - 12/12

✅ rsplit_aspect

Time: ✅ 1.449µs (SLO: <10.000µs 📉 -85.5%) vs baseline: +0.2%

Memory: ✅ 37.690MB (SLO: <39.000MB -3.4%) vs baseline: +5.0%

✅ rsplit_noaspect

Time: ✅ 0.574µs (SLO: <10.000µs 📉 -94.3%) vs baseline: -1.0%

Memory: ✅ 37.650MB (SLO: <39.000MB -3.5%) vs baseline: +4.9%

✅ split_aspect

Time: ✅ 1.440µs (SLO: <10.000µs 📉 -85.6%) vs baseline: +1.1%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +5.0%

✅ split_noaspect

Time: ✅ 0.572µs (SLO: <10.000µs 📉 -94.3%) vs baseline: +1.0%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +5.0%

✅ splitlines_aspect

Time: ✅ 1.512µs (SLO: <10.000µs 📉 -84.9%) vs baseline: +7.0%

Memory: ✅ 37.749MB (SLO: <39.000MB -3.2%) vs baseline: +5.1%

✅ splitlines_noaspect

Time: ✅ 0.583µs (SLO: <10.000µs 📉 -94.2%) vs baseline: -0.6%

Memory: ✅ 37.729MB (SLO: <39.000MB -3.3%) vs baseline: +5.1%

✅ iastpropagation - 2/2

✅ no-propagation

Time: ✅ 49.476µs (SLO: <60.000µs 📉 -17.5%) vs baseline: +0.1%

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +4.8%

✅ otelsdkspan - 24/24

✅ add-event

Time: ✅ 40.362ms (SLO: <42.000ms -3.9%) vs baseline: +0.5%

Memory: ✅ 34.524MB (SLO: <39.000MB 📉 -11.5%) vs baseline: +4.7%

✅ add-link

Time: ✅ 36.778ms (SLO: <38.550ms -4.6%) vs baseline: +1.1%

Memory: ✅ 34.583MB (SLO: <39.000MB 📉 -11.3%) vs baseline: +5.0%

✅ add-metrics

Time: ✅ 218.740ms (SLO: <232.000ms -5.7%) vs baseline: -0.5%

Memory: ✅ 34.583MB (SLO: <39.000MB 📉 -11.3%) vs baseline: +4.9%

✅ add-tags

Time: ✅ 213.300ms (SLO: <221.600ms -3.7%) vs baseline: +0.8%

Memory: ✅ 34.564MB (SLO: <39.000MB 📉 -11.4%) vs baseline: +5.0%

✅ get-context

Time: ✅ 29.289ms (SLO: <31.300ms -6.4%) vs baseline: +0.6%

Memory: ✅ 34.505MB (SLO: <39.000MB 📉 -11.5%) vs baseline: +4.7%

✅ is-recording

Time: ✅ 29.645ms (SLO: <31.000ms -4.4%) vs baseline: +1.0%

Memory: ✅ 34.544MB (SLO: <39.000MB 📉 -11.4%) vs baseline: +5.0%

✅ record-exception

Time: ✅ 63.235ms (SLO: <65.850ms -4.0%) vs baseline: -0.2%

Memory: ✅ 34.564MB (SLO: <39.000MB 📉 -11.4%) vs baseline: +3.7%

✅ set-status

Time: ✅ 32.002ms (SLO: <34.150ms -6.3%) vs baseline: -0.5%

Memory: ✅ 34.564MB (SLO: <39.000MB 📉 -11.4%) vs baseline: +4.6%

✅ start

Time: ✅ 28.790ms (SLO: <30.150ms -4.5%) vs baseline: -0.7%

Memory: ✅ 34.544MB (SLO: <39.000MB 📉 -11.4%) vs baseline: +4.0%

✅ start-finish

Time: ✅ 33.854ms (SLO: <35.350ms -4.2%) vs baseline: -1.3%

Memory: ✅ 34.544MB (SLO: <39.000MB 📉 -11.4%) vs baseline: +4.9%

✅ start-finish-telemetry

Time: ✅ 33.945ms (SLO: <35.450ms -4.2%) vs baseline: -0.9%

Memory: ✅ 34.564MB (SLO: <39.000MB 📉 -11.4%) vs baseline: +4.0%

✅ update-name

Time: ✅ 30.978ms (SLO: <33.400ms -7.3%) vs baseline: -1.2%

Memory: ✅ 34.583MB (SLO: <39.000MB 📉 -11.3%) vs baseline: +4.6%

✅ packagespackageforrootmodulemapping - 4/4

✅ cache_off

Time: ✅ 342.081ms (SLO: <354.300ms -3.4%) vs baseline: +0.1%

Memory: ✅ 37.905MB (SLO: <40.000MB -5.2%) vs baseline: +5.2%

✅ cache_on

Time: ✅ 0.380µs (SLO: <10.000µs 📉 -96.2%) vs baseline: -0.2%

Memory: ✅ 36.510MB (SLO: <39.000MB -6.4%) vs baseline: +4.6%

✅ packagesupdateimporteddependencies - 24/24

✅ import_many

Time: ✅ 154.949µs (SLO: <170.000µs -8.9%) vs baseline: -0.4%

Memory: ✅ 37.106MB (SLO: <38.500MB -3.6%) vs baseline: +4.6%

✅ import_many_cached

Time: ✅ 120.964µs (SLO: <130.000µs -7.0%) vs baseline: +0.5%

Memory: ✅ 36.948MB (SLO: <38.500MB -4.0%) vs baseline: +3.7%

✅ import_many_stdlib

Time: ✅ 1.639ms (SLO: <1.750ms -6.3%) vs baseline: +0.3%

Memory: ✅ 37.100MB (SLO: <38.500MB -3.6%) vs baseline: +4.2%

✅ import_many_stdlib_cached

Time: ✅ 0.979ms (SLO: <1.100ms 📉 -11.0%) vs baseline: +0.5%

Memory: ✅ 37.324MB (SLO: <38.500MB -3.1%) vs baseline: +4.8%

✅ import_many_unknown

Time: ✅ 843.304µs (SLO: <890.000µs -5.2%) vs baseline: +2.0%

Memory: ✅ 37.194MB (SLO: <38.500MB -3.4%) vs baseline: +4.7%

✅ import_many_unknown_cached

Time: ✅ 790.436µs (SLO: <870.000µs -9.1%) vs baseline: -1.0%

Memory: ✅ 37.233MB (SLO: <38.500MB -3.3%) vs baseline: +4.7%

✅ import_one

Time: ✅ 19.828µs (SLO: <30.000µs 📉 -33.9%) vs baseline: ~same

Memory: ✅ 37.190MB (SLO: <39.000MB -4.6%) vs baseline: +2.8%

✅ import_one_cache

Time: ✅ 6.281µs (SLO: <10.000µs 📉 -37.2%) vs baseline: -0.7%

Memory: ✅ 37.006MB (SLO: <38.500MB -3.9%) vs baseline: +4.0%

✅ import_one_stdlib

Time: ✅ 18.775µs (SLO: <20.000µs -6.1%) vs baseline: -0.5%

Memory: ✅ 36.894MB (SLO: <38.500MB -4.2%) vs baseline: +3.7%

✅ import_one_stdlib_cache

Time: ✅ 6.322µs (SLO: <10.000µs 📉 -36.8%) vs baseline: +0.6%

Memory: ✅ 37.000MB (SLO: <38.500MB -3.9%) vs baseline: +4.5%

✅ import_one_unknown

Time: ✅ 45.833µs (SLO: <50.000µs -8.3%) vs baseline: +0.1%

Memory: ✅ 37.113MB (SLO: <38.500MB -3.6%) vs baseline: +4.5%

✅ import_one_unknown_cache

Time: ✅ 6.332µs (SLO: <10.000µs 📉 -36.7%) vs baseline: +1.3%

Memory: ✅ 37.024MB (SLO: <38.500MB -3.8%) vs baseline: +4.7%

✅ ratelimiter - 12/12

✅ defaults

Time: ✅ 2.345µs (SLO: <10.000µs 📉 -76.5%) vs baseline: -0.6%

Memory: ✅ 31.772MB (SLO: <34.000MB -6.6%) vs baseline: +4.9%

✅ high_rate_limit

Time: ✅ 2.411µs (SLO: <10.000µs 📉 -75.9%) vs baseline: +0.6%

Memory: ✅ 31.792MB (SLO: <34.000MB -6.5%) vs baseline: +4.9%

✅ long_window

Time: ✅ 2.380µs (SLO: <10.000µs 📉 -76.2%) vs baseline: +1.3%

Memory: ✅ 31.772MB (SLO: <34.000MB -6.6%) vs baseline: +4.8%

✅ low_rate_limit

Time: ✅ 2.350µs (SLO: <10.000µs 📉 -76.5%) vs baseline: -0.2%

Memory: ✅ 31.811MB (SLO: <34.000MB -6.4%) vs baseline: +4.9%

✅ no_rate_limit

Time: ✅ 0.833µs (SLO: <10.000µs 📉 -91.7%) vs baseline: +1.4%

Memory: ✅ 31.811MB (SLO: <34.000MB -6.4%) vs baseline: +4.9%

✅ short_window

Time: ✅ 2.497µs (SLO: <10.000µs 📉 -75.0%) vs baseline: -0.6%

Memory: ✅ 31.772MB (SLO: <34.000MB -6.6%) vs baseline: +5.0%

✅ sethttpmeta - 32/32

✅ all-disabled

Time: ✅ 10.480µs (SLO: <20.000µs 📉 -47.6%) vs baseline: ~same

Memory: ✅ 32.578MB (SLO: <34.000MB -4.2%) vs baseline: +4.7%

✅ all-enabled

Time: ✅ 39.973µs (SLO: <50.000µs 📉 -20.1%) vs baseline: -0.3%

Memory: ✅ 32.617MB (SLO: <34.000MB -4.1%) vs baseline: +5.0%

✅ collectipvariant_exists

Time: ✅ 41.485µs (SLO: <50.000µs 📉 -17.0%) vs baseline: +2.1%

Memory: ✅ 32.617MB (SLO: <34.000MB -4.1%) vs baseline: +5.0%

✅ no-collectipvariant

Time: ✅ 39.914µs (SLO: <50.000µs 📉 -20.2%) vs baseline: -0.5%

Memory: ✅ 32.558MB (SLO: <34.000MB -4.2%) vs baseline: +4.7%

✅ no-useragentvariant

Time: ✅ 38.550µs (SLO: <50.000µs 📉 -22.9%) vs baseline: +0.2%

Memory: ✅ 32.598MB (SLO: <34.000MB -4.1%) vs baseline: +5.0%

✅ obfuscation-no-query

Time: ✅ 40.417µs (SLO: <50.000µs 📉 -19.2%) vs baseline: ~same

Memory: ✅ 32.578MB (SLO: <34.000MB -4.2%) vs baseline: +4.8%

✅ obfuscation-regular-case-explicit-query

Time: ✅ 75.784µs (SLO: <90.000µs 📉 -15.8%) vs baseline: +0.1%

Memory: ✅ 32.598MB (SLO: <34.000MB -4.1%) vs baseline: +3.5%

✅ obfuscation-regular-case-implicit-query

Time: ✅ 76.190µs (SLO: <90.000µs 📉 -15.3%) vs baseline: +0.2%

Memory: ✅ 32.578MB (SLO: <34.000MB -4.2%) vs baseline: +3.5%

✅ obfuscation-send-querystring-disabled

Time: ✅ 155.349µs (SLO: <170.000µs -8.6%) vs baseline: +1.0%

Memory: ✅ 32.991MB (SLO: <34.500MB -4.4%) vs baseline: +4.9%

✅ obfuscation-worst-case-explicit-query

Time: ✅ 149.464µs (SLO: <160.000µs -6.6%) vs baseline: +1.0%

Memory: ✅ 33.010MB (SLO: <34.500MB -4.3%) vs baseline: +5.3%

✅ obfuscation-worst-case-implicit-query

Time: ✅ 154.678µs (SLO: <170.000µs -9.0%) vs baseline: ~same

Memory: ✅ 33.010MB (SLO: <34.500MB -4.3%) vs baseline: +5.0%

✅ useragentvariant_exists_1

Time: ✅ 40.231µs (SLO: <50.000µs 📉 -19.5%) vs baseline: +2.0%

Memory: ✅ 32.558MB (SLO: <34.000MB -4.2%) vs baseline: +4.9%

✅ useragentvariant_exists_2

Time: ✅ 40.416µs (SLO: <50.000µs 📉 -19.2%) vs baseline: -0.1%

Memory: ✅ 32.558MB (SLO: <34.000MB -4.2%) vs baseline: +4.8%

✅ useragentvariant_exists_3

Time: ✅ 39.928µs (SLO: <50.000µs 📉 -20.1%) vs baseline: -0.3%

Memory: ✅ 32.578MB (SLO: <34.000MB -4.2%) vs baseline: +4.8%

✅ useragentvariant_not_exists_1

Time: ✅ 39.335µs (SLO: <50.000µs 📉 -21.3%) vs baseline: ~same

Memory: ✅ 32.637MB (SLO: <34.000MB -4.0%) vs baseline: +5.0%

✅ useragentvariant_not_exists_2

Time: ✅ 39.278µs (SLO: <50.000µs 📉 -21.4%) vs baseline: -0.4%

Memory: ✅ 32.539MB (SLO: <34.000MB -4.3%) vs baseline: +4.9%

✅ telemetryaddmetric - 30/30

✅ 1-count-metric-1-times

Time: ✅ 3.238µs (SLO: <20.000µs 📉 -83.8%) vs baseline: +3.0%

Memory: ✅ 32.126MB (SLO: <34.000MB -5.5%) vs baseline: +4.7%

✅ 1-count-metrics-100-times

Time: ✅ 218.818µs (SLO: <250.000µs 📉 -12.5%) vs baseline: +2.6%

Memory: ✅ 32.126MB (SLO: <34.000MB -5.5%) vs baseline: +4.8%

✅ 1-distribution-metric-1-times

Time: ✅ 2.949µs (SLO: <20.000µs 📉 -85.3%) vs baseline: +0.6%

Memory: ✅ 32.126MB (SLO: <34.000MB -5.5%) vs baseline: +5.2%

✅ 1-distribution-metrics-100-times

Time: ✅ 194.721µs (SLO: <220.000µs 📉 -11.5%) vs baseline: +1.7%

Memory: ✅ 32.106MB (SLO: <34.000MB -5.6%) vs baseline: +4.7%

✅ 1-gauge-metric-1-times

Time: ✅ 2.143µs (SLO: <20.000µs 📉 -89.3%) vs baseline: +1.9%

Memory: ✅ 32.086MB (SLO: <34.000MB -5.6%) vs baseline: +4.7%

✅ 1-gauge-metrics-100-times

Time: ✅ 125.415µs (SLO: <150.000µs 📉 -16.4%) vs baseline: -0.4%

Memory: ✅ 32.145MB (SLO: <34.000MB -5.5%) vs baseline: +5.0%

✅ 1-rate-metric-1-times

Time: ✅ 3.241µs (SLO: <20.000µs 📉 -83.8%) vs baseline: +4.1%

Memory: ✅ 32.145MB (SLO: <34.000MB -5.5%) vs baseline: +4.9%

✅ 1-rate-metrics-100-times

Time: ✅ 220.791µs (SLO: <250.000µs 📉 -11.7%) vs baseline: +2.4%

Memory: ✅ 32.126MB (SLO: <34.000MB -5.5%) vs baseline: +4.9%

✅ 100-count-metrics-100-times

Time: ✅ 22.247ms (SLO: <23.500ms -5.3%) vs baseline: +3.2%

Memory: ✅ 32.126MB (SLO: <34.000MB -5.5%) vs baseline: +4.9%

✅ 100-distribution-metrics-100-times

Time: ✅ 2.050ms (SLO: <2.250ms -8.9%) vs baseline: +2.5%

Memory: ✅ 32.126MB (SLO: <34.000MB -5.5%) vs baseline: +4.8%

✅ 100-gauge-metrics-100-times

Time: ✅ 1.302ms (SLO: <1.550ms 📉 -16.0%) vs baseline: -0.4%

Memory: ✅ 32.086MB (SLO: <34.000MB -5.6%) vs baseline: +4.7%

✅ 100-rate-metrics-100-times

Time: ✅ 2.264ms (SLO: <2.550ms 📉 -11.2%) vs baseline: +1.7%

Memory: ✅ 32.106MB (SLO: <34.000MB -5.6%) vs baseline: +4.9%

✅ flush-1-metric

Time: ✅ 4.264µs (SLO: <20.000µs 📉 -78.7%) vs baseline: ~same

Memory: ✅ 32.047MB (SLO: <34.000MB -5.7%) vs baseline: +4.5%

✅ flush-100-metrics

Time: ✅ 183.251µs (SLO: <250.000µs 📉 -26.7%) vs baseline: +0.9%

Memory: ✅ 32.145MB (SLO: <34.000MB -5.5%) vs baseline: +5.1%

✅ flush-1000-metrics

Time: ✅ 2.221ms (SLO: <2.500ms 📉 -11.2%) vs baseline: ~same

Memory: ✅ 32.834MB (SLO: <34.500MB -4.8%) vs baseline: +4.6%

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

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@paullegranddc @P403n1x87