perf(profiling): do slightly less work when possible #15025

KowalskiThomas · 2025-10-24T09:56:33Z

Description

This PR updates a small part of the logic in the Profiler / Stack V2 to only fetch the filename_str if we are going to use it (which may not be the case if we are pushing a "Task name frame".

Risks

As far as I can tell, this is a functional no-op as it is effectively only deferring the declaration (and populating) of a variable – filename_str – to later in the code.

github-actions · 2025-10-24T09:57:14Z

CODEOWNERS have been resolved as:

ddtrace/internal/datadog/profiling/stack_v2/src/stack_renderer.cpp      @DataDog/profiling-python
ddtrace/internal/datadog/profiling/stack_v2/src/stack_v2.cpp            @DataDog/profiling-python
ddtrace/internal/datadog/profiling/stack_v2/src/thread_span_links.cpp   @DataDog/profiling-python

github-actions · 2025-10-24T10:22:42Z

Bootstrap import analysis

Comparison of import times between this PR and base.

Summary

The average import time from this PR is: 238 ± 3 ms.

The average import time from base is: 240 ± 3 ms.

The import time difference between this PR and base is: -2.0 ± 0.1 ms.

Import time breakdown

The following import paths have shrunk:

ddtrace.auto 1.946 ms (0.82%)

ddtrace.bootstrap.sitecustomize 1.271 ms (0.53%)

ddtrace.bootstrap.preload 1.271 ms (0.53%)

ddtrace.internal.remoteconfig.client 0.653 ms (0.27%)

ddtrace 0.675 ms (0.28%)

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%)

pr-commenter · 2025-10-24T11:36:50Z

Performance SLOs

Comparing candidate kowalski/perf-profiling-do-slightly-less-work-if-not-needed (0a2ef15) with baseline main (5fa0681)

📈 Performance Regressions (2 suites)

📈 iastaspectsospath - 24/24

✅ ospathbasename_aspect

Time: ✅ 5.065µs (SLO: <10.000µs 📉 -49.3%) vs baseline: 📈 +18.0%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +6.0%

✅ ospathbasename_noaspect

Time: ✅ 1.088µs (SLO: <10.000µs 📉 -89.1%) vs baseline: +0.3%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +6.2%

✅ ospathjoin_aspect

Time: ✅ 7.026µs (SLO: <10.000µs 📉 -29.7%) vs baseline: 📈 +13.2%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ ospathjoin_noaspect

Time: ✅ 2.304µs (SLO: <10.000µs 📉 -77.0%) vs baseline: +0.3%

Memory: ✅ 38.063MB (SLO: <39.000MB -2.4%) vs baseline: +6.0%

✅ ospathnormcase_aspect

Time: ✅ 3.856µs (SLO: <10.000µs 📉 -61.4%) vs baseline: +8.0%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +6.0%

✅ ospathnormcase_noaspect

Time: ✅ 0.566µs (SLO: <10.000µs 📉 -94.3%) vs baseline: -0.1%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ ospathsplit_aspect

Time: ✅ 4.772µs (SLO: <10.000µs 📉 -52.3%) vs baseline: -3.6%

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +6.0%

✅ ospathsplit_noaspect

Time: ✅ 1.599µs (SLO: <10.000µs 📉 -84.0%) vs baseline: -0.4%

Memory: ✅ 38.063MB (SLO: <39.000MB -2.4%) vs baseline: +5.8%

✅ ospathsplitdrive_aspect

Time: ✅ 3.654µs (SLO: <10.000µs 📉 -63.5%) vs baseline: -2.1%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +6.1%

✅ ospathsplitdrive_noaspect

Time: ✅ 0.697µs (SLO: <10.000µs 📉 -93.0%) vs baseline: ~same

Memory: ✅ 38.142MB (SLO: <39.000MB -2.2%) vs baseline: +6.3%

✅ ospathsplitext_aspect

Time: ✅ 4.548µs (SLO: <10.000µs 📉 -54.5%) vs baseline: -0.7%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +6.2%

✅ ospathsplitext_noaspect

Time: ✅ 1.381µs (SLO: <10.000µs 📉 -86.2%) vs baseline: -0.6%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +5.8%

📈 telemetryaddmetric - 30/30

✅ 1-count-metric-1-times

Time: ✅ 2.950µs (SLO: <20.000µs 📉 -85.3%) vs baseline: -0.3%

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

✅ 1-count-metrics-100-times

Time: ✅ 200.280µs (SLO: <220.000µs -9.0%) vs baseline: -2.4%

Memory: ✅ 32.204MB (SLO: <34.000MB -5.3%) vs baseline: +5.0%

✅ 1-distribution-metric-1-times

Time: ✅ 3.254µs (SLO: <20.000µs 📉 -83.7%) vs baseline: -2.2%

Memory: ✅ 32.165MB (SLO: <34.000MB -5.4%) vs baseline: +4.9%

✅ 1-distribution-metrics-100-times

Time: ✅ 212.994µs (SLO: <220.000µs -3.2%) vs baseline: -1.1%

Memory: ✅ 32.185MB (SLO: <34.000MB -5.3%) vs baseline: +4.9%

✅ 1-gauge-metric-1-times

Time: ✅ 2.428µs (SLO: <20.000µs 📉 -87.9%) vs baseline: 📈 +11.0%

Memory: ✅ 32.165MB (SLO: <34.000MB -5.4%) vs baseline: +5.1%

✅ 1-gauge-metrics-100-times

Time: ✅ 137.405µs (SLO: <150.000µs -8.4%) vs baseline: +0.6%

Memory: ✅ 32.204MB (SLO: <34.000MB -5.3%) vs baseline: +5.0%

✅ 1-rate-metric-1-times

Time: ✅ 3.087µs (SLO: <20.000µs 📉 -84.6%) vs baseline: +0.2%

Memory: ✅ 32.185MB (SLO: <34.000MB -5.3%) vs baseline: +5.0%

✅ 1-rate-metrics-100-times

Time: ✅ 213.122µs (SLO: <250.000µs 📉 -14.8%) vs baseline: -1.8%

Memory: ✅ 32.204MB (SLO: <34.000MB -5.3%) vs baseline: +5.2%

✅ 100-count-metrics-100-times

Time: ✅ 20.057ms (SLO: <22.000ms -8.8%) vs baseline: -3.3%

Memory: ✅ 32.185MB (SLO: <34.000MB -5.3%) vs baseline: +5.1%

✅ 100-distribution-metrics-100-times

Time: ✅ 2.271ms (SLO: <2.300ms 🟡 -1.3%) vs baseline: +0.3%

Memory: ✅ 32.204MB (SLO: <34.000MB -5.3%) vs baseline: +4.9%

✅ 100-gauge-metrics-100-times

Time: ✅ 1.421ms (SLO: <1.550ms -8.3%) vs baseline: +1.4%

Memory: ✅ 32.145MB (SLO: <34.000MB -5.5%) vs baseline: +4.8%

✅ 100-rate-metrics-100-times

Time: ✅ 2.253ms (SLO: <2.550ms 📉 -11.6%) vs baseline: +0.6%

Memory: ✅ 32.224MB (SLO: <34.000MB -5.2%) vs baseline: +5.0%

✅ flush-1-metric

Time: ✅ 4.606µs (SLO: <20.000µs 📉 -77.0%) vs baseline: +3.3%

Memory: ✅ 32.204MB (SLO: <34.000MB -5.3%) vs baseline: +5.3%

✅ flush-100-metrics

Time: ✅ 174.480µs (SLO: <250.000µs 📉 -30.2%) vs baseline: -0.3%

Memory: ✅ 32.185MB (SLO: <34.000MB -5.3%) vs baseline: +5.0%

✅ flush-1000-metrics

Time: ✅ 2.119ms (SLO: <2.500ms 📉 -15.2%) vs baseline: +0.5%

Memory: ✅ 32.971MB (SLO: <34.500MB -4.4%) vs baseline: +5.0%

🟡 Near SLO Breach (3 suites)

🟡 djangosimple - 30/30

✅ appsec

Time: ✅ 20.547ms (SLO: <22.300ms -7.9%) vs baseline: +0.8%

Memory: ✅ 65.333MB (SLO: <67.000MB -2.5%) vs baseline: +5.1%

✅ exception-replay-enabled

Time: ✅ 1.345ms (SLO: <1.450ms -7.3%) vs baseline: -0.5%

Memory: ✅ 64.712MB (SLO: <67.000MB -3.4%) vs baseline: +4.8%

✅ iast

Time: ✅ 20.461ms (SLO: <22.250ms -8.0%) vs baseline: +0.3%

Memory: ✅ 65.274MB (SLO: <67.000MB -2.6%) vs baseline: +4.9%

✅ profiler

Time: ✅ 15.260ms (SLO: <16.550ms -7.8%) vs baseline: +0.4%

Memory: ✅ 54.146MB (SLO: <54.500MB 🟡 -0.6%) vs baseline: +5.4%

✅ resource-renaming

Time: ✅ 20.600ms (SLO: <21.750ms -5.3%) vs baseline: +0.4%

Memory: ✅ 65.274MB (SLO: <67.000MB -2.6%) vs baseline: +5.0%

✅ span-code-origin

Time: ✅ 25.352ms (SLO: <28.200ms 📉 -10.1%) vs baseline: ~same

Memory: ✅ 67.448MB (SLO: <69.500MB -3.0%) vs baseline: +4.7%

✅ tracer

Time: ✅ 20.541ms (SLO: <21.750ms -5.6%) vs baseline: +0.8%

Memory: ✅ 65.333MB (SLO: <67.000MB -2.5%) vs baseline: +5.0%

✅ tracer-and-profiler

Time: ✅ 22.042ms (SLO: <23.500ms -6.2%) vs baseline: ~same

Memory: ✅ 66.807MB (SLO: <67.500MB 🟡 -1.0%) vs baseline: +5.1%

✅ tracer-dont-create-db-spans

Time: ✅ 19.401ms (SLO: <21.500ms -9.8%) vs baseline: +0.7%

Memory: ✅ 65.294MB (SLO: <66.000MB 🟡 -1.1%) vs baseline: +4.9%

✅ tracer-minimal

Time: ✅ 16.714ms (SLO: <17.500ms -4.5%) vs baseline: +0.6%

Memory: ✅ 65.214MB (SLO: <66.000MB 🟡 -1.2%) vs baseline: +4.9%

✅ tracer-native

Time: ✅ 20.489ms (SLO: <21.750ms -5.8%) vs baseline: +0.2%

Memory: ✅ 71.428MB (SLO: <72.500MB 🟡 -1.5%) vs baseline: +5.5%

✅ tracer-no-caches

Time: ✅ 18.483ms (SLO: <19.650ms -5.9%) vs baseline: +0.4%

Memory: ✅ 65.273MB (SLO: <67.000MB -2.6%) vs baseline: +5.0%

✅ tracer-no-databases

Time: ✅ 18.817ms (SLO: <20.100ms -6.4%) vs baseline: +0.6%

Memory: ✅ 65.274MB (SLO: <67.000MB -2.6%) vs baseline: +4.9%

✅ tracer-no-middleware

Time: ✅ 20.207ms (SLO: <21.500ms -6.0%) vs baseline: +0.4%

Memory: ✅ 65.266MB (SLO: <67.000MB -2.6%) vs baseline: +4.9%

✅ tracer-no-templates

Time: ✅ 20.359ms (SLO: <22.000ms -7.5%) vs baseline: +0.4%

Memory: ✅ 65.313MB (SLO: <67.000MB -2.5%) vs baseline: +5.1%

🟡 errortrackingdjangosimple - 6/6

✅ errortracking-enabled-all

Time: ✅ 18.083ms (SLO: <19.850ms -8.9%) vs baseline: +0.2%

Memory: ✅ 65.250MB (SLO: <66.500MB 🟡 -1.9%) vs baseline: +5.0%

✅ errortracking-enabled-user

Time: ✅ 18.301ms (SLO: <19.400ms -5.7%) vs baseline: +1.5%

Memory: ✅ 65.205MB (SLO: <66.500MB 🟡 -1.9%) vs baseline: +4.9%

✅ tracer-enabled

Time: ✅ 18.276ms (SLO: <19.450ms -6.0%) vs baseline: +1.6%

Memory: ✅ 65.219MB (SLO: <66.500MB 🟡 -1.9%) vs baseline: +4.8%

🟡 flasksimple - 18/18

✅ appsec-get

Time: ✅ 4.584ms (SLO: <4.750ms -3.5%) vs baseline: +0.3%

Memory: ✅ 61.912MB (SLO: <65.000MB -4.8%) vs baseline: +4.7%

✅ appsec-post

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

Memory: ✅ 62.064MB (SLO: <65.000MB -4.5%) vs baseline: +4.9%

✅ appsec-telemetry

Time: ✅ 4.580ms (SLO: <4.750ms -3.6%) vs baseline: -0.4%

Memory: ✅ 61.932MB (SLO: <65.000MB -4.7%) vs baseline: +4.8%

✅ debugger

Time: ✅ 1.850ms (SLO: <2.000ms -7.5%) vs baseline: ~same

Memory: ✅ 45.416MB (SLO: <47.000MB -3.4%) vs baseline: +4.9%

✅ iast-get

Time: ✅ 1.856ms (SLO: <2.000ms -7.2%) vs baseline: ~same

Memory: ✅ 42.428MB (SLO: <49.000MB 📉 -13.4%) vs baseline: +4.9%

✅ profiler

Time: ✅ 1.913ms (SLO: <2.100ms -8.9%) vs baseline: +0.2%

Memory: ✅ 46.576MB (SLO: <47.000MB 🟡 -0.9%) vs baseline: +5.1%

✅ resource-renaming

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

Memory: ✅ 52.180MB (SLO: <53.500MB -2.5%) vs baseline: +4.6%

✅ tracer

Time: ✅ 3.354ms (SLO: <3.650ms -8.1%) vs baseline: ~same

Memory: ✅ 52.239MB (SLO: <53.500MB -2.4%) vs baseline: +4.8%

✅ tracer-native

Time: ✅ 3.357ms (SLO: <3.650ms -8.0%) vs baseline: ~same

Memory: ✅ 58.175MB (SLO: <60.000MB -3.0%) vs baseline: +4.7%

⚠️ Unstable Tests (1 suite)

⚠️

coreapiscenario - 10/10 (1 unstable)

⚠️ context_with_data_listeners

Time: ⚠️ 13.267µs (SLO: <20.000µs 📉 -33.7%) vs baseline: +0.2%

Memory: ✅ 32.204MB (SLO: <33.500MB -3.9%) vs baseline: +5.2%

✅ context_with_data_no_listeners

Time: ✅ 3.306µs (SLO: <10.000µs 📉 -66.9%) vs baseline: +1.5%

Memory: ✅ 32.244MB (SLO: <33.500MB -3.8%) vs baseline: +5.0%

✅ get_item_exists

Time: ✅ 0.581µs (SLO: <10.000µs 📉 -94.2%) vs baseline: -1.0%

Memory: ✅ 32.145MB (SLO: <33.500MB -4.0%) vs baseline: +5.1%

✅ get_item_missing

Time: ✅ 0.642µs (SLO: <10.000µs 📉 -93.6%) vs baseline: ~same

Memory: ✅ 32.204MB (SLO: <33.500MB -3.9%) vs baseline: +5.1%

✅ set_item

Time: ✅ 24.223µs (SLO: <30.000µs 📉 -19.3%) vs baseline: +0.6%

Memory: ✅ 32.224MB (SLO: <33.500MB -3.8%) vs baseline: +5.1%

✅ All Tests Passing (18 suites)

✅ errortrackingflasksqli - 6/6

✅ errortracking-enabled-all

Time: ✅ 2.076ms (SLO: <2.300ms -9.7%) vs baseline: +0.9%

Memory: ✅ 52.121MB (SLO: <53.500MB -2.6%) vs baseline: +4.7%

✅ errortracking-enabled-user

Time: ✅ 2.098ms (SLO: <2.250ms -6.8%) vs baseline: +1.3%

Memory: ✅ 52.160MB (SLO: <53.500MB -2.5%) vs baseline: +4.9%

✅ tracer-enabled

Time: ✅ 2.072ms (SLO: <2.300ms -9.9%) vs baseline: +0.2%

Memory: ✅ 52.416MB (SLO: <53.500MB -2.0%) vs baseline: +5.4%

✅ flasksqli - 6/6

✅ appsec-enabled

Time: ✅ 3.970ms (SLO: <4.200ms -5.5%) vs baseline: ~same

Memory: ✅ 62.266MB (SLO: <66.000MB -5.7%) vs baseline: +4.8%

✅ iast-enabled

Time: ✅ 2.445ms (SLO: <2.800ms 📉 -12.7%) vs baseline: ~same

Memory: ✅ 58.766MB (SLO: <60.000MB -2.1%) vs baseline: +5.0%

✅ tracer-enabled

Time: ✅ 2.063ms (SLO: <2.250ms -8.3%) vs baseline: ~same

Memory: ✅ 52.219MB (SLO: <54.500MB -4.2%) vs baseline: +4.9%

✅ httppropagationextract - 60/60

✅ all_styles_all_headers

Time: ✅ 81.015µs (SLO: <100.000µs 📉 -19.0%) vs baseline: -0.3%

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

✅ b3_headers

Time: ✅ 14.238µs (SLO: <20.000µs 📉 -28.8%) vs baseline: +0.6%

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

✅ b3_single_headers

Time: ✅ 13.394µs (SLO: <20.000µs 📉 -33.0%) vs baseline: +1.0%

Memory: ✅ 32.244MB (SLO: <33.500MB -3.8%) vs baseline: +5.0%

✅ datadog_tracecontext_tracestate_not_propagated_on_trace_id_no_match

Time: ✅ 63.609µs (SLO: <80.000µs 📉 -20.5%) vs baseline: -0.5%

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

✅ datadog_tracecontext_tracestate_propagated_on_trace_id_match

Time: ✅ 66.333µs (SLO: <80.000µs 📉 -17.1%) vs baseline: +0.5%

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

✅ empty_headers

Time: ✅ 1.599µs (SLO: <10.000µs 📉 -84.0%) vs baseline: +0.2%

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

✅ full_t_id_datadog_headers

Time: ✅ 23.017µs (SLO: <30.000µs 📉 -23.3%) vs baseline: +1.4%

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

✅ invalid_priority_header

Time: ✅ 6.596µs (SLO: <10.000µs 📉 -34.0%) vs baseline: +1.1%

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

✅ invalid_span_id_header

Time: ✅ 6.591µs (SLO: <10.000µs 📉 -34.1%) vs baseline: +1.1%

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

✅ invalid_tags_header

Time: ✅ 6.572µs (SLO: <10.000µs 📉 -34.3%) vs baseline: +0.6%

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

✅ invalid_trace_id_header

Time: ✅ 6.545µs (SLO: <10.000µs 📉 -34.5%) vs baseline: +0.8%

Memory: ✅ 32.244MB (SLO: <33.500MB -3.8%) vs baseline: +5.2%

✅ large_header_no_matches

Time: ✅ 28.190µs (SLO: <30.000µs -6.0%) vs baseline: +2.4%

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

✅ large_valid_headers_all

Time: ✅ 29.255µs (SLO: <40.000µs 📉 -26.9%) vs baseline: +2.1%

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

✅ medium_header_no_matches

Time: ✅ 9.863µs (SLO: <20.000µs 📉 -50.7%) vs baseline: +0.7%

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

✅ medium_valid_headers_all

Time: ✅ 11.319µs (SLO: <20.000µs 📉 -43.4%) vs baseline: +1.1%

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

✅ none_propagation_style

Time: ✅ 1.712µs (SLO: <10.000µs 📉 -82.9%) vs baseline: +0.7%

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

✅ tracecontext_headers

Time: ✅ 35.122µs (SLO: <40.000µs 📉 -12.2%) vs baseline: +2.1%

Memory: ✅ 32.224MB (SLO: <33.500MB -3.8%) vs baseline: +4.8%

✅ valid_headers_all

Time: ✅ 6.549µs (SLO: <10.000µs 📉 -34.5%) vs baseline: +0.3%

Memory: ✅ 32.244MB (SLO: <33.500MB -3.8%) vs baseline: +4.9%

✅ valid_headers_basic

Time: ✅ 6.206µs (SLO: <10.000µs 📉 -37.9%) vs baseline: +1.7%

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

✅ wsgi_empty_headers

Time: ✅ 1.594µs (SLO: <10.000µs 📉 -84.1%) vs baseline: -0.4%

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

✅ wsgi_invalid_priority_header

Time: ✅ 6.592µs (SLO: <10.000µs 📉 -34.1%) vs baseline: +0.3%

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

✅ wsgi_invalid_span_id_header

Time: ✅ 1.593µs (SLO: <10.000µs 📉 -84.1%) vs baseline: +0.4%

Memory: ✅ 32.204MB (SLO: <33.500MB -3.9%) vs baseline: +4.8%

✅ wsgi_invalid_tags_header

Time: ✅ 6.671µs (SLO: <10.000µs 📉 -33.3%) vs baseline: +1.0%

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

✅ wsgi_invalid_trace_id_header

Time: ✅ 6.610µs (SLO: <10.000µs 📉 -33.9%) vs baseline: +1.0%

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

✅ wsgi_large_header_no_matches

Time: ✅ 28.773µs (SLO: <40.000µs 📉 -28.1%) vs baseline: -0.3%

Memory: ✅ 32.204MB (SLO: <33.500MB -3.9%) vs baseline: +4.8%

✅ wsgi_large_valid_headers_all

Time: ✅ 29.772µs (SLO: <40.000µs 📉 -25.6%) vs baseline: -0.4%

Memory: ✅ 32.244MB (SLO: <33.500MB -3.8%) vs baseline: +4.9%

✅ wsgi_medium_header_no_matches

Time: ✅ 10.174µs (SLO: <20.000µs 📉 -49.1%) vs baseline: +0.1%

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

✅ wsgi_medium_valid_headers_all

Time: ✅ 11.588µs (SLO: <20.000µs 📉 -42.1%) vs baseline: +1.3%

Memory: ✅ 32.224MB (SLO: <33.500MB -3.8%) vs baseline: +5.1%

✅ wsgi_valid_headers_all

Time: ✅ 6.655µs (SLO: <10.000µs 📉 -33.4%) vs baseline: +1.3%

Memory: ✅ 32.244MB (SLO: <33.500MB -3.8%) vs baseline: +5.2%

✅ wsgi_valid_headers_basic

Time: ✅ 6.188µs (SLO: <10.000µs 📉 -38.1%) vs baseline: +1.4%

Memory: ✅ 32.224MB (SLO: <33.500MB -3.8%) vs baseline: +5.1%

✅ httppropagationinject - 16/16

✅ ids_only

Time: ✅ 21.779µs (SLO: <30.000µs 📉 -27.4%) vs baseline: +1.5%

Memory: ✅ 32.224MB (SLO: <33.500MB -3.8%) vs baseline: +5.1%

✅ with_all

Time: ✅ 28.912µs (SLO: <40.000µs 📉 -27.7%) vs baseline: +0.8%

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

✅ with_dd_origin

Time: ✅ 25.571µs (SLO: <30.000µs 📉 -14.8%) vs baseline: +1.2%

Memory: ✅ 32.204MB (SLO: <33.500MB -3.9%) vs baseline: +4.8%

✅ with_priority_and_origin

Time: ✅ 24.964µs (SLO: <40.000µs 📉 -37.6%) vs baseline: +0.9%

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

✅ with_sampling_priority

Time: ✅ 21.677µs (SLO: <30.000µs 📉 -27.7%) vs baseline: +0.5%

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

✅ with_tags

Time: ✅ 27.251µs (SLO: <40.000µs 📉 -31.9%) vs baseline: +0.9%

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

✅ with_tags_invalid

Time: ✅ 28.589µs (SLO: <40.000µs 📉 -28.5%) vs baseline: +0.6%

Memory: ✅ 32.244MB (SLO: <33.500MB -3.8%) vs baseline: +5.1%

✅ with_tags_max_size

Time: ✅ 27.298µs (SLO: <40.000µs 📉 -31.8%) vs baseline: -0.3%

Memory: ✅ 32.244MB (SLO: <33.500MB -3.8%) vs baseline: +5.0%

✅ iast_aspects - 40/40

✅ re_expand_aspect

Time: ✅ 31.694µs (SLO: <40.000µs 📉 -20.8%) vs baseline: -0.5%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +6.0%

✅ re_expand_noaspect

Time: ✅ 30.098µs (SLO: <40.000µs 📉 -24.8%) vs baseline: +5.2%

Memory: ✅ 38.142MB (SLO: <39.000MB -2.2%) vs baseline: +6.2%

✅ re_findall_aspect

Time: ✅ 2.900µs (SLO: <10.000µs 📉 -71.0%) vs baseline: ~same

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ re_findall_noaspect

Time: ✅ 1.419µs (SLO: <10.000µs 📉 -85.8%) vs baseline: +0.2%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +6.0%

✅ re_finditer_aspect

Time: ✅ 4.429µs (SLO: <10.000µs 📉 -55.7%) vs baseline: ~same

Memory: ✅ 38.063MB (SLO: <39.000MB -2.4%) vs baseline: +6.0%

✅ re_finditer_noaspect

Time: ✅ 1.401µs (SLO: <10.000µs 📉 -86.0%) vs baseline: -0.6%

Memory: ✅ 38.044MB (SLO: <39.000MB -2.5%) vs baseline: +5.9%

✅ re_fullmatch_aspect

Time: ✅ 2.651µs (SLO: <10.000µs 📉 -73.5%) vs baseline: -5.1%

Memory: ✅ 38.142MB (SLO: <39.000MB -2.2%) vs baseline: +6.1%

✅ re_fullmatch_noaspect

Time: ✅ 1.304µs (SLO: <10.000µs 📉 -87.0%) vs baseline: +1.6%

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +6.0%

✅ re_group_aspect

Time: ✅ 2.971µs (SLO: <10.000µs 📉 -70.3%) vs baseline: +2.4%

Memory: ✅ 38.063MB (SLO: <39.000MB -2.4%) vs baseline: +5.9%

✅ re_group_noaspect

Time: ✅ 1.601µs (SLO: <10.000µs 📉 -84.0%) vs baseline: -0.8%

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ re_groups_aspect

Time: ✅ 3.325µs (SLO: <10.000µs 📉 -66.7%) vs baseline: +8.2%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +5.8%

✅ re_groups_noaspect

Time: ✅ 1.691µs (SLO: <10.000µs 📉 -83.1%) vs baseline: ~same

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +6.0%

✅ re_match_aspect

Time: ✅ 2.701µs (SLO: <10.000µs 📉 -73.0%) vs baseline: +1.7%

Memory: ✅ 38.142MB (SLO: <39.000MB -2.2%) vs baseline: +6.1%

✅ re_match_noaspect

Time: ✅ 1.298µs (SLO: <10.000µs 📉 -87.0%) vs baseline: -0.5%

Memory: ✅ 38.063MB (SLO: <39.000MB -2.4%) vs baseline: +6.0%

✅ re_search_aspect

Time: ✅ 2.560µs (SLO: <10.000µs 📉 -74.4%) vs baseline: +0.3%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ re_search_noaspect

Time: ✅ 1.193µs (SLO: <10.000µs 📉 -88.1%) vs baseline: -0.3%

Memory: ✅ 38.044MB (SLO: <39.000MB -2.5%) vs baseline: +6.2%

✅ re_sub_aspect

Time: ✅ 3.386µs (SLO: <10.000µs 📉 -66.1%) vs baseline: -1.4%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +6.1%

✅ re_sub_noaspect

Time: ✅ 1.523µs (SLO: <10.000µs 📉 -84.8%) vs baseline: +0.2%

Memory: ✅ 38.044MB (SLO: <39.000MB -2.5%) vs baseline: +6.0%

✅ re_subn_aspect

Time: ✅ 3.702µs (SLO: <10.000µs 📉 -63.0%) vs baseline: +0.9%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +5.8%

✅ re_subn_noaspect

Time: ✅ 1.613µs (SLO: <10.000µs 📉 -83.9%) vs baseline: +0.1%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +6.1%

✅ iastaspects - 118/118

✅ add_aspect

Time: ✅ 0.402µs (SLO: <10.000µs 📉 -96.0%) vs baseline: -1.6%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +5.9%

✅ add_inplace_aspect

Time: ✅ 0.407µs (SLO: <10.000µs 📉 -95.9%) vs baseline: ~same

Memory: ✅ 38.063MB (SLO: <39.000MB -2.4%) vs baseline: +6.0%

✅ add_inplace_noaspect

Time: ✅ 0.324µs (SLO: <10.000µs 📉 -96.8%) vs baseline: +3.0%

Memory: ✅ 38.044MB (SLO: <39.000MB -2.5%) vs baseline: +5.8%

✅ add_noaspect

Time: ✅ 0.280µs (SLO: <10.000µs 📉 -97.2%) vs baseline: +0.5%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +6.0%

✅ bytearray_aspect

Time: ✅ 1.385µs (SLO: <10.000µs 📉 -86.2%) vs baseline: +4.4%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ bytearray_extend_aspect

Time: ✅ 1.532µs (SLO: <10.000µs 📉 -84.7%) vs baseline: +0.2%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +6.0%

✅ bytearray_extend_noaspect

Time: ✅ 0.617µs (SLO: <10.000µs 📉 -93.8%) vs baseline: +0.9%

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +6.0%

✅ bytearray_noaspect

Time: ✅ 0.488µs (SLO: <10.000µs 📉 -95.1%) vs baseline: +0.3%

Memory: ✅ 38.063MB (SLO: <39.000MB -2.4%) vs baseline: +6.0%

✅ bytes_aspect

Time: ✅ 1.278µs (SLO: <10.000µs 📉 -87.2%) vs baseline: ~same

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +6.0%

✅ bytes_noaspect

Time: ✅ 0.498µs (SLO: <10.000µs 📉 -95.0%) vs baseline: +0.7%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +6.1%

✅ bytesio_aspect

Time: ✅ 1.381µs (SLO: <10.000µs 📉 -86.2%) vs baseline: +3.8%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +5.9%

✅ bytesio_noaspect

Time: ✅ 0.496µs (SLO: <10.000µs 📉 -95.0%) vs baseline: +0.7%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +6.2%

✅ capitalize_aspect

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

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +5.9%

✅ capitalize_noaspect

Time: ✅ 0.437µs (SLO: <10.000µs 📉 -95.6%) vs baseline: ~same

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ casefold_aspect

Time: ✅ 0.747µs (SLO: <10.000µs 📉 -92.5%) vs baseline: +0.7%

Memory: ✅ 38.142MB (SLO: <39.000MB -2.2%) vs baseline: +6.2%

✅ casefold_noaspect

Time: ✅ 0.373µs (SLO: <10.000µs 📉 -96.3%) vs baseline: ~same

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ decode_aspect

Time: ✅ 0.721µs (SLO: <10.000µs 📉 -92.8%) vs baseline: -1.0%

Memory: ✅ 38.142MB (SLO: <39.000MB -2.2%) vs baseline: +6.1%

✅ decode_noaspect

Time: ✅ 0.418µs (SLO: <10.000µs 📉 -95.8%) vs baseline: -1.0%

Memory: ✅ 38.063MB (SLO: <39.000MB -2.4%) vs baseline: +6.0%

✅ encode_aspect

Time: ✅ 0.713µs (SLO: <10.000µs 📉 -92.9%) vs baseline: +1.2%

Memory: ✅ 38.044MB (SLO: <39.000MB -2.5%) vs baseline: +5.7%

✅ encode_noaspect

Time: ✅ 0.409µs (SLO: <10.000µs 📉 -95.9%) vs baseline: +2.1%

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +6.0%

✅ format_aspect

Time: ✅ 3.438µs (SLO: <10.000µs 📉 -65.6%) vs baseline: +3.0%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ format_map_aspect

Time: ✅ 3.669µs (SLO: <10.000µs 📉 -63.3%) vs baseline: +3.1%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ format_map_noaspect

Time: ✅ 0.775µs (SLO: <10.000µs 📉 -92.2%) vs baseline: -0.3%

Memory: ✅ 38.063MB (SLO: <39.000MB -2.4%) vs baseline: +5.8%

✅ format_noaspect

Time: ✅ 0.595µs (SLO: <10.000µs 📉 -94.0%) vs baseline: -0.1%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +6.1%

✅ index_aspect

Time: ✅ 0.356µs (SLO: <10.000µs 📉 -96.4%) vs baseline: -1.0%

Memory: ✅ 38.063MB (SLO: <39.000MB -2.4%) vs baseline: +5.8%

✅ index_noaspect

Time: ✅ 0.275µs (SLO: <10.000µs 📉 -97.2%) vs baseline: -1.5%

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ join_aspect

Time: ✅ 1.345µs (SLO: <10.000µs 📉 -86.6%) vs baseline: +1.1%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +6.0%

✅ join_noaspect

Time: ✅ 0.491µs (SLO: <10.000µs 📉 -95.1%) vs baseline: -0.2%

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ ljust_aspect

Time: ✅ 2.574µs (SLO: <20.000µs 📉 -87.1%) vs baseline: -1.6%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +6.1%

✅ ljust_noaspect

Time: ✅ 0.403µs (SLO: <10.000µs 📉 -96.0%) vs baseline: -1.4%

Memory: ✅ 38.142MB (SLO: <39.000MB -2.2%) vs baseline: +6.2%

✅ lower_aspect

Time: ✅ 2.219µs (SLO: <10.000µs 📉 -77.8%) vs baseline: -2.4%

Memory: ✅ 38.142MB (SLO: <39.000MB -2.2%) vs baseline: +6.3%

✅ lower_noaspect

Time: ✅ 0.371µs (SLO: <10.000µs 📉 -96.3%) vs baseline: +0.9%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ lstrip_aspect

Time: ✅ 2.457µs (SLO: <20.000µs 📉 -87.7%) vs baseline: +9.7%

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ lstrip_noaspect

Time: ✅ 0.384µs (SLO: <10.000µs 📉 -96.2%) vs baseline: +0.4%

Memory: ✅ 38.063MB (SLO: <39.000MB -2.4%) vs baseline: +6.1%

✅ modulo_aspect

Time: ✅ 1.004µs (SLO: <10.000µs 📉 -90.0%) vs baseline: +0.3%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +6.0%

✅ modulo_aspect_for_bytearray_bytearray

Time: ✅ 1.557µs (SLO: <10.000µs 📉 -84.4%) vs baseline: +1.0%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ modulo_aspect_for_bytes

Time: ✅ 0.982µs (SLO: <10.000µs 📉 -90.2%) vs baseline: +0.9%

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ modulo_aspect_for_bytes_bytearray

Time: ✅ 1.244µs (SLO: <10.000µs 📉 -87.6%) vs baseline: +3.6%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +5.7%

✅ modulo_noaspect

Time: ✅ 0.635µs (SLO: <10.000µs 📉 -93.6%) vs baseline: +1.5%

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ replace_aspect

Time: ✅ 4.950µs (SLO: <10.000µs 📉 -50.5%) vs baseline: +2.3%

Memory: ✅ 38.063MB (SLO: <39.000MB -2.4%) vs baseline: +5.8%

✅ replace_noaspect

Time: ✅ 0.462µs (SLO: <10.000µs 📉 -95.4%) vs baseline: ~same

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ repr_aspect

Time: ✅ 0.909µs (SLO: <10.000µs 📉 -90.9%) vs baseline: -0.4%

Memory: ✅ 38.142MB (SLO: <39.000MB -2.2%) vs baseline: +6.2%

✅ repr_noaspect

Time: ✅ 0.415µs (SLO: <10.000µs 📉 -95.9%) vs baseline: -0.4%

Memory: ✅ 38.044MB (SLO: <39.000MB -2.5%) vs baseline: +5.8%

✅ rstrip_aspect

Time: ✅ 1.892µs (SLO: <20.000µs 📉 -90.5%) vs baseline: -1.7%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +5.9%

✅ rstrip_noaspect

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

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +6.1%

✅ slice_aspect

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

Memory: ✅ 38.044MB (SLO: <39.000MB -2.5%) vs baseline: +6.0%

✅ slice_noaspect

Time: ✅ 0.446µs (SLO: <10.000µs 📉 -95.5%) vs baseline: -0.4%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ stringio_aspect

Time: ✅ 1.561µs (SLO: <10.000µs 📉 -84.4%) vs baseline: -1.3%

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +5.8%

✅ stringio_noaspect

Time: ✅ 0.714µs (SLO: <10.000µs 📉 -92.9%) vs baseline: +0.4%

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +6.2%

✅ strip_aspect

Time: ✅ 2.209µs (SLO: <20.000µs 📉 -89.0%) vs baseline: -0.6%

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +6.0%

✅ strip_noaspect

Time: ✅ 0.383µs (SLO: <10.000µs 📉 -96.2%) vs baseline: -1.5%

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +6.0%

✅ swapcase_aspect

Time: ✅ 2.400µs (SLO: <10.000µs 📉 -76.0%) vs baseline: -2.2%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +6.0%

✅ swapcase_noaspect

Time: ✅ 0.540µs (SLO: <10.000µs 📉 -94.6%) vs baseline: +1.0%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +6.0%

✅ title_aspect

Time: ✅ 2.343µs (SLO: <10.000µs 📉 -76.6%) vs baseline: -2.4%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +6.0%

✅ title_noaspect

Time: ✅ 0.504µs (SLO: <10.000µs 📉 -95.0%) vs baseline: +1.1%

Memory: ✅ 38.142MB (SLO: <39.000MB -2.2%) vs baseline: +6.2%

✅ translate_aspect

Time: ✅ 3.252µs (SLO: <10.000µs 📉 -67.5%) vs baseline: -1.5%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +5.9%

✅ translate_noaspect

Time: ✅ 1.041µs (SLO: <10.000µs 📉 -89.6%) vs baseline: +0.4%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ upper_aspect

Time: ✅ 2.206µs (SLO: <10.000µs 📉 -77.9%) vs baseline: -3.7%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +6.0%

✅ upper_noaspect

Time: ✅ 0.372µs (SLO: <10.000µs 📉 -96.3%) vs baseline: +1.2%

Memory: ✅ 38.103MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ iastaspectssplit - 12/12

✅ rsplit_aspect

Time: ✅ 1.434µs (SLO: <10.000µs 📉 -85.7%) vs baseline: +3.1%

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +6.3%

✅ rsplit_noaspect

Time: ✅ 0.574µs (SLO: <10.000µs 📉 -94.3%) vs baseline: -0.7%

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +6.2%

✅ split_aspect

Time: ✅ 1.399µs (SLO: <10.000µs 📉 -86.0%) vs baseline: +2.6%

Memory: ✅ 38.044MB (SLO: <39.000MB -2.5%) vs baseline: +5.8%

✅ split_noaspect

Time: ✅ 0.568µs (SLO: <10.000µs 📉 -94.3%) vs baseline: ~same

Memory: ✅ 38.122MB (SLO: <39.000MB -2.3%) vs baseline: +6.1%

✅ splitlines_aspect

Time: ✅ 1.349µs (SLO: <10.000µs 📉 -86.5%) vs baseline: -2.6%

Memory: ✅ 38.083MB (SLO: <39.000MB -2.4%) vs baseline: +6.1%

✅ splitlines_noaspect

Time: ✅ 0.582µs (SLO: <10.000µs 📉 -94.2%) vs baseline: -0.6%

Memory: ✅ 38.142MB (SLO: <39.000MB -2.2%) vs baseline: +6.0%

✅ iastpropagation - 2/2

✅ no-propagation

Time: ✅ 48.631µs (SLO: <60.000µs 📉 -18.9%) vs baseline: -2.3%

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

✅ otelsdkspan - 24/24

✅ add-event

Time: ✅ 40.764ms (SLO: <42.000ms -2.9%) vs baseline: +0.8%

Memory: ✅ 34.859MB (SLO: <39.000MB 📉 -10.6%) vs baseline: +4.7%

✅ add-link

Time: ✅ 36.272ms (SLO: <38.550ms -5.9%) vs baseline: +0.1%

Memory: ✅ 34.701MB (SLO: <39.000MB 📉 -11.0%) vs baseline: +4.6%

✅ add-metrics

Time: ✅ 219.236ms (SLO: <232.000ms -5.5%) vs baseline: +0.3%

Memory: ✅ 34.878MB (SLO: <39.000MB 📉 -10.6%) vs baseline: +4.7%

✅ add-tags

Time: ✅ 212.856ms (SLO: <221.600ms -3.9%) vs baseline: +0.1%

Memory: ✅ 34.701MB (SLO: <39.000MB 📉 -11.0%) vs baseline: +4.9%

✅ get-context

Time: ✅ 29.236ms (SLO: <31.300ms -6.6%) vs baseline: +0.7%

Memory: ✅ 34.524MB (SLO: <39.000MB 📉 -11.5%) vs baseline: +3.8%

✅ is-recording

Time: ✅ 29.092ms (SLO: <31.000ms -6.2%) vs baseline: ~same

Memory: ✅ 34.524MB (SLO: <39.000MB 📉 -11.5%) vs baseline: +3.7%

✅ record-exception

Time: ✅ 63.220ms (SLO: <65.850ms -4.0%) vs baseline: -0.4%

Memory: ✅ 34.918MB (SLO: <39.000MB 📉 -10.5%) vs baseline: +5.0%

✅ set-status

Time: ✅ 32.047ms (SLO: <34.150ms -6.2%) vs baseline: +0.5%

Memory: ✅ 34.721MB (SLO: <39.000MB 📉 -11.0%) vs baseline: +4.0%

✅ start

Time: ✅ 29.207ms (SLO: <30.150ms -3.1%) vs baseline: +0.9%

Memory: ✅ 34.583MB (SLO: <39.000MB 📉 -11.3%) vs baseline: +3.9%

✅ start-finish

Time: ✅ 33.982ms (SLO: <35.350ms -3.9%) vs baseline: +0.7%

Memory: ✅ 34.662MB (SLO: <39.000MB 📉 -11.1%) vs baseline: +4.2%

✅ start-finish-telemetry

Time: ✅ 34.122ms (SLO: <35.450ms -3.7%) vs baseline: +0.9%

Memory: ✅ 34.721MB (SLO: <39.000MB 📉 -11.0%) vs baseline: +4.4%

✅ update-name

Time: ✅ 31.125ms (SLO: <33.400ms -6.8%) vs baseline: +0.8%

Memory: ✅ 34.701MB (SLO: <39.000MB 📉 -11.0%) vs baseline: +4.4%

✅ otelspan - 22/22

✅ add-event

Time: ✅ 40.026ms (SLO: <47.150ms 📉 -15.1%) vs baseline: -0.2%

Memory: ✅ 43.785MB (SLO: <47.000MB -6.8%) vs baseline: +4.9%

✅ add-metrics

Time: ✅ 316.438ms (SLO: <344.800ms -8.2%) vs baseline: -0.2%

Memory: ✅ 652.464MB (SLO: <675.000MB -3.3%) vs baseline: +4.9%

✅ add-tags

Time: ✅ 287.719ms (SLO: <314.000ms -8.4%) vs baseline: -0.4%

Memory: ✅ 652.444MB (SLO: <675.000MB -3.3%) vs baseline: +4.7%

✅ get-context

Time: ✅ 80.065ms (SLO: <92.350ms 📉 -13.3%) vs baseline: -0.4%

Memory: ✅ 39.638MB (SLO: <46.500MB 📉 -14.8%) vs baseline: +4.9%

✅ is-recording

Time: ✅ 37.778ms (SLO: <44.500ms 📉 -15.1%) vs baseline: ~same

Memory: ✅ 43.261MB (SLO: <47.500MB -8.9%) vs baseline: +5.1%

✅ record-exception

Time: ✅ 59.070ms (SLO: <67.650ms 📉 -12.7%) vs baseline: +1.4%

Memory: ✅ 39.916MB (SLO: <47.000MB 📉 -15.1%) vs baseline: +4.8%

✅ set-status

Time: ✅ 43.857ms (SLO: <50.400ms 📉 -13.0%) vs baseline: ~same

Memory: ✅ 43.155MB (SLO: <47.000MB -8.2%) vs baseline: +4.7%

✅ start

Time: ✅ 37.184ms (SLO: <43.450ms 📉 -14.4%) vs baseline: ~same

Memory: ✅ 43.220MB (SLO: <47.000MB -8.0%) vs baseline: +4.8%

✅ start-finish

Time: ✅ 82.582ms (SLO: <88.000ms -6.2%) vs baseline: +0.9%

Memory: ✅ 34.583MB (SLO: <46.500MB 📉 -25.6%) vs baseline: +5.0%

✅ start-finish-telemetry

Time: ✅ 83.822ms (SLO: <89.000ms -5.8%) vs baseline: +0.2%

Memory: ✅ 34.603MB (SLO: <46.500MB 📉 -25.6%) vs baseline: +4.9%

✅ update-name

Time: ✅ 38.884ms (SLO: <45.150ms 📉 -13.9%) vs baseline: +0.5%

Memory: ✅ 43.508MB (SLO: <47.000MB -7.4%) vs baseline: +4.7%

✅ packagespackageforrootmodulemapping - 4/4

✅ cache_off

Time: ✅ 341.391ms (SLO: <354.300ms -3.6%) vs baseline: -0.8%

Memory: ✅ 37.827MB (SLO: <40.000MB -5.4%) vs baseline: +5.1%

✅ cache_on

Time: ✅ 0.389µs (SLO: <10.000µs 📉 -96.1%) vs baseline: +2.4%

Memory: ✅ 36.491MB (SLO: <39.000MB -6.4%) vs baseline: +5.0%

✅ packagesupdateimporteddependencies - 24/24

✅ import_many

Time: ✅ 155.668µs (SLO: <170.000µs -8.4%) vs baseline: +0.8%

Memory: ✅ 37.147MB (SLO: <38.500MB -3.5%) vs baseline: +4.7%

✅ import_many_cached

Time: ✅ 122.015µs (SLO: <130.000µs -6.1%) vs baseline: +0.7%

Memory: ✅ 37.439MB (SLO: <38.500MB -2.8%) vs baseline: +5.4%

✅ import_many_stdlib

Time: ✅ 1.635ms (SLO: <1.750ms -6.6%) vs baseline: +0.3%

Memory: ✅ 37.229MB (SLO: <38.500MB -3.3%) vs baseline: +4.5%

✅ import_many_stdlib_cached

Time: ✅ 0.973ms (SLO: <1.100ms 📉 -11.5%) vs baseline: ~same

Memory: ✅ 37.555MB (SLO: <38.500MB -2.5%) vs baseline: +5.5%

✅ import_many_unknown

Time: ✅ 834.876µs (SLO: <890.000µs -6.2%) vs baseline: +0.5%

Memory: ✅ 37.371MB (SLO: <38.500MB -2.9%) vs baseline: +5.0%

✅ import_many_unknown_cached

Time: ✅ 792.028µs (SLO: <870.000µs -9.0%) vs baseline: -1.2%

Memory: ✅ 37.315MB (SLO: <38.500MB -3.1%) vs baseline: +4.7%

✅ import_one

Time: ✅ 19.684µs (SLO: <30.000µs 📉 -34.4%) vs baseline: +0.1%

Memory: ✅ 37.103MB (SLO: <39.000MB -4.9%) vs baseline: +4.4%

✅ import_one_cache

Time: ✅ 6.262µs (SLO: <10.000µs 📉 -37.4%) vs baseline: -0.9%

Memory: ✅ 37.172MB (SLO: <38.500MB -3.4%) vs baseline: +5.1%

✅ import_one_stdlib

Time: ✅ 18.703µs (SLO: <20.000µs -6.5%) vs baseline: +0.4%

Memory: ✅ 37.190MB (SLO: <38.500MB -3.4%) vs baseline: +5.2%

✅ import_one_stdlib_cache

Time: ✅ 6.319µs (SLO: <10.000µs 📉 -36.8%) vs baseline: +1.0%

Memory: ✅ 37.241MB (SLO: <38.500MB -3.3%) vs baseline: +5.1%

✅ import_one_unknown

Time: ✅ 45.485µs (SLO: <50.000µs -9.0%) vs baseline: -0.4%

Memory: ✅ 37.137MB (SLO: <38.500MB -3.5%) vs baseline: +4.6%

✅ import_one_unknown_cache

Time: ✅ 6.339µs (SLO: <10.000µs 📉 -36.6%) vs baseline: +0.8%

Memory: ✅ 37.145MB (SLO: <38.500MB -3.5%) vs baseline: +4.8%

✅ ratelimiter - 12/12

✅ defaults

Time: ✅ 2.361µs (SLO: <10.000µs 📉 -76.4%) vs baseline: +0.3%

Memory: ✅ 31.772MB (SLO: <34.000MB -6.6%) vs baseline: +4.6%

✅ high_rate_limit

Time: ✅ 2.406µs (SLO: <10.000µs 📉 -75.9%) vs baseline: ~same

Memory: ✅ 31.792MB (SLO: <34.000MB -6.5%) vs baseline: +5.1%

✅ long_window

Time: ✅ 2.349µs (SLO: <10.000µs 📉 -76.5%) vs baseline: -1.1%

Memory: ✅ 31.733MB (SLO: <34.000MB -6.7%) vs baseline: +4.6%

✅ low_rate_limit

Time: ✅ 2.362µs (SLO: <10.000µs 📉 -76.4%) vs baseline: ~same

Memory: ✅ 31.792MB (SLO: <34.000MB -6.5%) vs baseline: +4.8%

✅ no_rate_limit

Time: ✅ 0.826µs (SLO: <10.000µs 📉 -91.7%) vs baseline: -0.7%

Memory: ✅ 31.752MB (SLO: <34.000MB -6.6%) vs baseline: +4.5%

✅ short_window

Time: ✅ 2.480µs (SLO: <10.000µs 📉 -75.2%) vs baseline: -0.8%

Memory: ✅ 31.792MB (SLO: <34.000MB -6.5%) vs baseline: +4.8%

✅ recursivecomputation - 8/8

✅ deep

Time: ✅ 309.165ms (SLO: <320.950ms -3.7%) vs baseline: ~same

Memory: ✅ 33.030MB (SLO: <34.500MB -4.3%) vs baseline: +5.4%

✅ deep-profiled

Time: ✅ 327.183ms (SLO: <359.150ms -8.9%) vs baseline: -0.2%

Memory: ✅ 37.336MB (SLO: <39.000MB -4.3%) vs baseline: +4.9%

✅ medium

Time: ✅ 7.044ms (SLO: <7.400ms -4.8%) vs baseline: +0.2%

Memory: ✅ 32.165MB (SLO: <34.000MB -5.4%) vs baseline: +4.9%

✅ shallow

Time: ✅ 0.949ms (SLO: <1.050ms -9.6%) vs baseline: +0.3%

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

✅ samplingrules - 8/8

✅ average_match

Time: ✅ 137.267µs (SLO: <290.000µs 📉 -52.7%) vs baseline: -0.3%

Memory: ✅ 32.126MB (SLO: <34.000MB -5.5%) vs baseline: +4.6%

✅ high_match

Time: ✅ 174.099µs (SLO: <480.000µs 📉 -63.7%) vs baseline: +0.4%

Memory: ✅ 32.224MB (SLO: <34.000MB -5.2%) vs baseline: +5.0%

✅ low_match

Time: ✅ 99.524µs (SLO: <120.000µs 📉 -17.1%) vs baseline: -0.2%

Memory: ✅ 600.924MB (SLO: <700.000MB 📉 -14.2%) vs baseline: +4.8%

✅ very_low_match

Time: ✅ 2.674ms (SLO: <8.500ms 📉 -68.5%) vs baseline: +1.4%

Memory: ✅ 68.274MB (SLO: <75.000MB -9.0%) vs baseline: +4.8%

✅ sethttpmeta - 32/32

✅ all-disabled

Time: ✅ 10.465µs (SLO: <20.000µs 📉 -47.7%) vs baseline: ~same

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

✅ all-enabled

Time: ✅ 40.141µs (SLO: <50.000µs 📉 -19.7%) vs baseline: +0.4%

Memory: ✅ 32.657MB (SLO: <34.000MB -4.0%) vs baseline: +5.2%

✅ collectipvariant_exists

Time: ✅ 40.785µs (SLO: <50.000µs 📉 -18.4%) vs baseline: +0.9%

Memory: ✅ 32.617MB (SLO: <34.000MB -4.1%) vs baseline: +5.1%

✅ no-collectipvariant

Time: ✅ 40.180µs (SLO: <50.000µs 📉 -19.6%) vs baseline: +0.5%

Memory: ✅ 32.696MB (SLO: <34.000MB -3.8%) vs baseline: +5.3%

✅ no-useragentvariant

Time: ✅ 38.666µs (SLO: <50.000µs 📉 -22.7%) vs baseline: +0.1%

Memory: ✅ 32.598MB (SLO: <34.000MB -4.1%) vs baseline: +4.8%

✅ obfuscation-no-query

Time: ✅ 40.529µs (SLO: <50.000µs 📉 -18.9%) vs baseline: +0.2%

Memory: ✅ 32.676MB (SLO: <34.000MB -3.9%) vs baseline: +5.3%

✅ obfuscation-regular-case-explicit-query

Time: ✅ 75.686µs (SLO: <90.000µs 📉 -15.9%) vs baseline: +0.5%

Memory: ✅ 32.971MB (SLO: <34.000MB -3.0%) vs baseline: +4.9%

✅ obfuscation-regular-case-implicit-query

Time: ✅ 76.390µs (SLO: <90.000µs 📉 -15.1%) vs baseline: +0.5%

Memory: ✅ 32.952MB (SLO: <34.000MB -3.1%) vs baseline: +4.8%

✅ obfuscation-send-querystring-disabled

Time: ✅ 154.091µs (SLO: <170.000µs -9.4%) vs baseline: ~same

Memory: ✅ 33.010MB (SLO: <34.500MB -4.3%) vs baseline: +5.2%

✅ obfuscation-worst-case-explicit-query

Time: ✅ 148.632µs (SLO: <160.000µs -7.1%) vs baseline: +0.4%

Memory: ✅ 33.010MB (SLO: <34.500MB -4.3%) vs baseline: +5.1%

✅ obfuscation-worst-case-implicit-query

Time: ✅ 154.650µs (SLO: <170.000µs -9.0%) vs baseline: ~same

Memory: ✅ 32.893MB (SLO: <34.500MB -4.7%) vs baseline: +4.5%

✅ useragentvariant_exists_1

Time: ✅ 39.381µs (SLO: <50.000µs 📉 -21.2%) vs baseline: -0.2%

Memory: ✅ 32.519MB (SLO: <34.000MB -4.4%) vs baseline: +4.9%

✅ useragentvariant_exists_2

Time: ✅ 40.444µs (SLO: <50.000µs 📉 -19.1%) vs baseline: ~same

Memory: ✅ 32.519MB (SLO: <34.000MB -4.4%) vs baseline: +4.5%

✅ useragentvariant_exists_3

Time: ✅ 40.029µs (SLO: <50.000µs 📉 -19.9%) vs baseline: ~same

Memory: ✅ 32.598MB (SLO: <34.000MB -4.1%) vs baseline: +5.2%

✅ useragentvariant_not_exists_1

Time: ✅ 39.484µs (SLO: <50.000µs 📉 -21.0%) vs baseline: ~same

Memory: ✅ 32.637MB (SLO: <34.000MB -4.0%) vs baseline: +5.2%

✅ useragentvariant_not_exists_2

Time: ✅ 39.427µs (SLO: <50.000µs 📉 -21.1%) vs baseline: +0.2%

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

✅ span - 26/26

✅ add-event

Time: ✅ 20.083ms (SLO: <22.500ms 📉 -10.7%) vs baseline: ~same

Memory: ✅ 48.829MB (SLO: <53.000MB -7.9%) vs baseline: +4.9%

✅ add-metrics

Time: ✅ 89.795ms (SLO: <93.500ms -4.0%) vs baseline: +0.4%

Memory: ✅ 736.326MB (SLO: <961.000MB 📉 -23.4%) vs baseline: +4.8%

✅ add-tags

Time: ✅ 147.230ms (SLO: <155.000ms -5.0%) vs baseline: +0.8%

Memory: ✅ 735.641MB (SLO: <962.500MB 📉 -23.6%) vs baseline: +4.9%

✅ get-context

Time: ✅ 18.383ms (SLO: <20.500ms 📉 -10.3%) vs baseline: ~same

Memory: ✅ 47.620MB (SLO: <53.000MB 📉 -10.2%) vs baseline: +4.9%

✅ is-recording

Time: ✅ 18.630ms (SLO: <20.500ms -9.1%) vs baseline: +0.3%

Memory: ✅ 47.588MB (SLO: <53.000MB 📉 -10.2%) vs baseline: +4.9%

✅ record-exception

Time: ✅ 37.579ms (SLO: <40.000ms -6.1%) vs baseline: +1.1%

Memory: ✅ 42.083MB (SLO: <53.000MB 📉 -20.6%) vs baseline: +5.0%

✅ set-status

Time: ✅ 20.379ms (SLO: <22.000ms -7.4%) vs baseline: +1.3%

Memory: ✅ 47.641MB (SLO: <53.000MB 📉 -10.1%) vs baseline: +5.2%

✅ start

Time: ✅ 18.253ms (SLO: <20.500ms 📉 -11.0%) vs baseline: +0.6%

Memory: ✅ 47.545MB (SLO: <53.000MB 📉 -10.3%) vs baseline: +5.1%

✅ start-finish

Time: ✅ 50.802ms (SLO: <52.500ms -3.2%) vs baseline: +0.7%

Memory: ✅ 32.204MB (SLO: <34.000MB -5.3%) vs baseline: +5.2%

✅ start-finish-telemetry

Time: ✅ 51.804ms (SLO: <54.500ms -4.9%) vs baseline: -0.6%

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

✅ start-finish-traceid128

Time: ✅ 53.771ms (SLO: <57.000ms -5.7%) vs baseline: -0.6%

Memory: ✅ 32.224MB (SLO: <34.000MB -5.2%) vs baseline: +5.0%

✅ start-traceid128

Time: ✅ 18.651ms (SLO: <22.500ms 📉 -17.1%) vs baseline: +0.3%

Memory: ✅ 47.575MB (SLO: <53.000MB 📉 -10.2%) vs baseline: +4.9%

✅ update-name

Time: ✅ 18.783ms (SLO: <22.000ms 📉 -14.6%) vs baseline: +0.8%

Memory: ✅ 48.196MB (SLO: <53.000MB -9.1%) vs baseline: +4.7%

✅ tracer - 6/6

✅ large

Time: ✅ 29.947ms (SLO: <32.950ms -9.1%) vs baseline: +1.0%

Memory: ✅ 33.384MB (SLO: <34.500MB -3.2%) vs baseline: +6.1%

✅ medium

Time: ✅ 2.924ms (SLO: <3.200ms -8.6%) vs baseline: -0.2%

Memory: ✅ 32.204MB (SLO: <34.000MB -5.3%) vs baseline: +4.9%

✅ small

Time: ✅ 330.289µs (SLO: <370.000µs 📉 -10.7%) vs baseline: -0.6%

Memory: ✅ 32.185MB (SLO: <34.000MB -5.3%) vs baseline: +5.1%

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

KowalskiThomas added the changelog/no-changelog A changelog entry is not required for this PR. label Oct 24, 2025

KowalskiThomas changed the title ~~chore(profiling): remove unused imports~~ perf(profiling): do slightly less work if not needed Oct 24, 2025

KowalskiThomas added 2 commits October 24, 2025 12:45

chore(profiling): remove unused imports

c06c1ba

perf(profiling): do slightly less work if not needed

0a2ef15

KowalskiThomas force-pushed the kowalski/perf-profiling-do-slightly-less-work-if-not-needed branch from e63353d to 0a2ef15 Compare October 24, 2025 10:45

KowalskiThomas marked this pull request as ready for review October 24, 2025 12:28

KowalskiThomas requested a review from a team as a code owner October 24, 2025 12:28

KowalskiThomas changed the title ~~perf(profiling): do slightly less work if not needed~~ perf(profiling): do slightly less work when possible Oct 27, 2025

taegyunkim approved these changes Oct 27, 2025

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KowalskiThomas merged commit 11fdb8b into main Oct 27, 2025
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KowalskiThomas deleted the kowalski/perf-profiling-do-slightly-less-work-if-not-needed branch October 27, 2025 13:31

perf(profiling): do slightly less work when possible #15025

perf(profiling): do slightly less work when possible #15025

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Risks

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Bootstrap import analysis

Summary

Import time breakdown

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Performance SLOs

✅ ospathbasename_aspect

✅ ospathbasename_noaspect

✅ ospathjoin_aspect

✅ ospathjoin_noaspect

✅ ospathnormcase_aspect

✅ ospathnormcase_noaspect

✅ ospathsplit_aspect

✅ ospathsplit_noaspect

✅ ospathsplitdrive_aspect

✅ ospathsplitdrive_noaspect

✅ ospathsplitext_aspect

✅ ospathsplitext_noaspect

✅ 1-count-metric-1-times

✅ 1-count-metrics-100-times

✅ 1-distribution-metric-1-times

✅ 1-distribution-metrics-100-times

✅ 1-gauge-metric-1-times

✅ 1-gauge-metrics-100-times

✅ 1-rate-metric-1-times

✅ 1-rate-metrics-100-times

✅ 100-count-metrics-100-times

✅ 100-distribution-metrics-100-times

✅ 100-gauge-metrics-100-times

✅ 100-rate-metrics-100-times

✅ flush-1-metric

✅ flush-100-metrics

✅ flush-1000-metrics

✅ appsec

✅ exception-replay-enabled

✅ iast

✅ profiler

✅ resource-renaming

✅ span-code-origin

✅ tracer

✅ tracer-and-profiler

✅ tracer-dont-create-db-spans

✅ tracer-minimal

✅ tracer-native

✅ tracer-no-caches

✅ tracer-no-databases

✅ tracer-no-middleware

✅ tracer-no-templates

✅ errortracking-enabled-all

✅ errortracking-enabled-user

✅ tracer-enabled

✅ appsec-get

✅ appsec-post

✅ appsec-telemetry

✅ debugger

✅ iast-get

✅ profiler

✅ resource-renaming

✅ tracer

✅ tracer-native

⚠️ context_with_data_listeners

✅ context_with_data_no_listeners

✅ get_item_exists

✅ get_item_missing

✅ set_item

✅ errortracking-enabled-all

✅ errortracking-enabled-user

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