feat(profiling): profile asyncio.BoundedSemaphore primitives with Python Lock profiler #15532

vlad-scherbich · 2025-12-05T19:42:26Z

https://datadoghq.atlassian.net/browse/PROF-13186

Description

Add support for profiling asyncio.BoundedSemaphore objects in the Python Lock profiler.

Changes

note: Follows the same pattern as threading.BoundedSemaphore profiling (PR #15368)

New collector: AsyncioBoundedSemaphoreCollector for asyncio.BoundedSemaphore profiling
New test class: TestAsyncioBoundedSemaphoreCollector following the established test hierarchy pattern
Behavior preservation test: Verifies that ValueError is raised when releasing beyond initial value

Why no internal lock detection?

Unlike threading.BoundedSemaphore which internally uses a threading.Lock via Condition, asyncio.BoundedSemaphore does not compose other asyncio primitives internally. This simplifies the implementation - no is_internal detection needed.

Testing

Added TestAsyncioBoundedSemaphoreCollector inheriting from BaseAsyncioLockCollectorTest
All base class tests (acquire/release events, tracer integration) run automatically
Added test_bounded_behavior_preserved to verify ValueError on excess release
Extended parametrized test_collector_repr to include AsyncioBoundedSemaphoreCollector

github-actions · 2025-12-05T19:43:00Z

CODEOWNERS have been resolved as:

releasenotes/notes/Added-support-for-profiling-of-asyncio.BoundedSemaphore-objects-to-the-Python-Lock-profiler-5bf06391b0b047f1.yaml  @DataDog/apm-python
releasenotes/notes/Added-support-for-profiling-of-asyncio.Semaphore-objects-to-the-Python-Lock-profiler-193fd8150d084ea6.yaml  @DataDog/apm-python
ddtrace/profiling/collector/asyncio.py                                  @DataDog/profiling-python
ddtrace/profiling/profiler.py                                           @DataDog/profiling-python
tests/profiling/collector/test_asyncio.py                               @DataDog/profiling-python
tests/profiling/test_profiler.py                                        @DataDog/profiling-python

…k profiler

github-actions · 2025-12-05T20:17:11Z

Bootstrap import analysis

Comparison of import times between this PR and base.

Summary

The average import time from this PR is: 245 ± 2 ms.

The average import time from base is: 248 ± 2 ms.

The import time difference between this PR and base is: -2.78 ± 0.09 ms.

Import time breakdown

The following import paths have shrunk:

ddtrace.auto 2.648 ms (1.08%)

ddtrace 1.358 ms (0.55%)

ddtrace._logger 0.681 ms (0.28%)

ddtrace.internal.telemetry 0.681 ms (0.28%)

ddtrace.internal.telemetry.writer 0.681 ms (0.28%)

ddtrace.internal.utils.version 0.681 ms (0.28%)

ddtrace.version 0.681 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%)

ddtrace.bootstrap.sitecustomize 1.290 ms (0.53%)

ddtrace.bootstrap.preload 1.290 ms (0.53%)

ddtrace.internal.remoteconfig.client 0.636 ms (0.26%)

pr-commenter · 2025-12-05T20:31:38Z

Performance SLOs

Comparing candidate vlad/lockprof-asyncio-bounded-semaphore (7e79ad4) with baseline main (ca3c521)

📈 Performance Regressions (3 suites)

📈 iastaspects - 118/118

✅ add_aspect

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

Memory: ✅ 40.187MB (SLO: <41.500MB -3.2%) vs baseline: +4.8%

✅ add_inplace_aspect

Time: ✅ 0.407µs (SLO: <10.000µs 📉 -95.9%) vs baseline: +0.6%

Memory: ✅ 40.187MB (SLO: <41.500MB -3.2%) vs baseline: +4.8%

✅ add_inplace_noaspect

Time: ✅ 0.317µs (SLO: <10.000µs 📉 -96.8%) vs baseline: -0.7%

Memory: ✅ 40.206MB (SLO: <41.500MB -3.1%) vs baseline: +4.8%

✅ add_noaspect

Time: ✅ 0.280µs (SLO: <10.000µs 📉 -97.2%) vs baseline: -2.0%

Memory: ✅ 40.285MB (SLO: <41.500MB -2.9%) vs baseline: +4.7%

✅ bytearray_aspect

Time: ✅ 1.350µs (SLO: <10.000µs 📉 -86.5%) vs baseline: -0.5%

Memory: ✅ 40.246MB (SLO: <41.500MB -3.0%) vs baseline: +4.9%

✅ bytearray_extend_aspect

Time: ✅ 1.504µs (SLO: <10.000µs 📉 -85.0%) vs baseline: -0.4%

Memory: ✅ 40.206MB (SLO: <41.500MB -3.1%) vs baseline: +4.7%

✅ bytearray_extend_noaspect

Time: ✅ 0.614µs (SLO: <10.000µs 📉 -93.9%) vs baseline: ~same

Memory: ✅ 40.206MB (SLO: <41.500MB -3.1%) vs baseline: +4.0%

✅ bytearray_noaspect

Time: ✅ 0.479µs (SLO: <10.000µs 📉 -95.2%) vs baseline: +0.5%

Memory: ✅ 40.265MB (SLO: <41.500MB -3.0%) vs baseline: +4.7%

✅ bytes_aspect

Time: ✅ 1.304µs (SLO: <10.000µs 📉 -87.0%) vs baseline: +2.0%

Memory: ✅ 40.265MB (SLO: <41.500MB -3.0%) vs baseline: +5.2%

✅ bytes_noaspect

Time: ✅ 0.493µs (SLO: <10.000µs 📉 -95.1%) vs baseline: +0.6%

Memory: ✅ 40.167MB (SLO: <41.500MB -3.2%) vs baseline: +3.7%

✅ bytesio_aspect

Time: ✅ 1.334µs (SLO: <10.000µs 📉 -86.7%) vs baseline: +1.0%

Memory: ✅ 40.246MB (SLO: <41.500MB -3.0%) vs baseline: +5.1%

✅ bytesio_noaspect

Time: ✅ 0.498µs (SLO: <10.000µs 📉 -95.0%) vs baseline: +0.5%

Memory: ✅ 40.324MB (SLO: <41.500MB -2.8%) vs baseline: +4.3%

✅ capitalize_aspect

Time: ✅ 0.736µs (SLO: <10.000µs 📉 -92.6%) vs baseline: -0.2%

Memory: ✅ 40.226MB (SLO: <41.500MB -3.1%) vs baseline: +3.9%

✅ capitalize_noaspect

Time: ✅ 0.438µs (SLO: <10.000µs 📉 -95.6%) vs baseline: +0.4%

Memory: ✅ 40.246MB (SLO: <41.500MB -3.0%) vs baseline: +4.8%

✅ casefold_aspect

Time: ✅ 0.737µs (SLO: <10.000µs 📉 -92.6%) vs baseline: +0.1%

Memory: ✅ 40.187MB (SLO: <41.500MB -3.2%) vs baseline: +4.9%

✅ casefold_noaspect

Time: ✅ 0.371µs (SLO: <10.000µs 📉 -96.3%) vs baseline: +0.8%

Memory: ✅ 40.285MB (SLO: <41.500MB -2.9%) vs baseline: +4.1%

✅ decode_aspect

Time: ✅ 0.724µs (SLO: <10.000µs 📉 -92.8%) vs baseline: +0.3%

Memory: ✅ 40.285MB (SLO: <41.500MB -2.9%) vs baseline: +5.0%

✅ decode_noaspect

Time: ✅ 0.416µs (SLO: <10.000µs 📉 -95.8%) vs baseline: -1.2%

Memory: ✅ 40.128MB (SLO: <41.500MB -3.3%) vs baseline: +3.7%

✅ encode_aspect

Time: ✅ 0.715µs (SLO: <10.000µs 📉 -92.8%) vs baseline: +1.1%

Memory: ✅ 40.246MB (SLO: <41.500MB -3.0%) vs baseline: +4.9%

✅ encode_noaspect

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

Memory: ✅ 40.246MB (SLO: <41.500MB -3.0%) vs baseline: +4.1%

✅ format_aspect

Time: ✅ 3.437µs (SLO: <10.000µs 📉 -65.6%) vs baseline: -0.7%

Memory: ✅ 40.305MB (SLO: <41.500MB -2.9%) vs baseline: +4.1%

✅ format_map_aspect

Time: ✅ 3.543µs (SLO: <10.000µs 📉 -64.6%) vs baseline: -1.6%

Memory: ✅ 40.167MB (SLO: <41.500MB -3.2%) vs baseline: +4.3%

✅ format_map_noaspect

Time: ✅ 0.770µs (SLO: <10.000µs 📉 -92.3%) vs baseline: -0.5%

Memory: ✅ 40.246MB (SLO: <41.500MB -3.0%) vs baseline: +4.7%

✅ format_noaspect

Time: ✅ 0.596µs (SLO: <10.000µs 📉 -94.0%) vs baseline: +0.3%

Memory: ✅ 40.108MB (SLO: <41.500MB -3.4%) vs baseline: +3.7%

✅ index_aspect

Time: ✅ 0.358µs (SLO: <10.000µs 📉 -96.4%) vs baseline: +1.0%

Memory: ✅ 40.069MB (SLO: <41.500MB -3.4%) vs baseline: +4.4%

✅ index_noaspect

Time: ✅ 0.277µs (SLO: <10.000µs 📉 -97.2%) vs baseline: -0.9%

Memory: ✅ 40.285MB (SLO: <41.500MB -2.9%) vs baseline: +4.3%

✅ join_aspect

Time: ✅ 1.332µs (SLO: <10.000µs 📉 -86.7%) vs baseline: +0.6%

Memory: ✅ 40.285MB (SLO: <41.500MB -2.9%) vs baseline: +5.1%

✅ join_noaspect

Time: ✅ 0.490µs (SLO: <10.000µs 📉 -95.1%) vs baseline: +0.3%

Memory: ✅ 40.285MB (SLO: <41.500MB -2.9%) vs baseline: +4.8%

✅ ljust_aspect

Time: ✅ 2.611µs (SLO: <20.000µs 📉 -86.9%) vs baseline: +1.4%

Memory: ✅ 40.305MB (SLO: <41.500MB -2.9%) vs baseline: +4.8%

✅ ljust_noaspect

Time: ✅ 0.403µs (SLO: <10.000µs 📉 -96.0%) vs baseline: +0.3%

Memory: ✅ 40.246MB (SLO: <41.500MB -3.0%) vs baseline: +4.3%

✅ lower_aspect

Time: ✅ 2.300µs (SLO: <10.000µs 📉 -77.0%) vs baseline: +3.2%

Memory: ✅ 40.088MB (SLO: <41.500MB -3.4%) vs baseline: +4.4%

✅ lower_noaspect

Time: ✅ 0.369µs (SLO: <10.000µs 📉 -96.3%) vs baseline: -1.2%

Memory: ✅ 40.147MB (SLO: <41.500MB -3.3%) vs baseline: +3.8%

✅ lstrip_aspect

Time: ✅ 2.261µs (SLO: <20.000µs 📉 -88.7%) vs baseline: +0.7%

Memory: ✅ 40.147MB (SLO: <41.500MB -3.3%) vs baseline: +3.9%

✅ lstrip_noaspect

Time: ✅ 0.379µs (SLO: <10.000µs 📉 -96.2%) vs baseline: -0.7%

Memory: ✅ 40.108MB (SLO: <41.500MB -3.4%) vs baseline: +3.5%

✅ modulo_aspect

Time: ✅ 1.044µs (SLO: <10.000µs 📉 -89.6%) vs baseline: +4.1%

Memory: ✅ 40.226MB (SLO: <41.500MB -3.1%) vs baseline: +5.0%

✅ modulo_aspect_for_bytearray_bytearray

Time: ✅ 1.534µs (SLO: <10.000µs 📉 -84.7%) vs baseline: -1.1%

Memory: ✅ 40.265MB (SLO: <41.500MB -3.0%) vs baseline: +5.0%

✅ modulo_aspect_for_bytes

Time: ✅ 0.976µs (SLO: <10.000µs 📉 -90.2%) vs baseline: -0.5%

Memory: ✅ 40.187MB (SLO: <41.500MB -3.2%) vs baseline: +4.7%

✅ modulo_aspect_for_bytes_bytearray

Time: ✅ 1.243µs (SLO: <10.000µs 📉 -87.6%) vs baseline: +1.5%

Memory: ✅ 40.285MB (SLO: <41.500MB -2.9%) vs baseline: +4.9%

✅ modulo_noaspect

Time: ✅ 0.624µs (SLO: <10.000µs 📉 -93.8%) vs baseline: -0.6%

Memory: ✅ 40.324MB (SLO: <41.500MB -2.8%) vs baseline: +4.2%

✅ replace_aspect

Time: ✅ 4.886µs (SLO: <10.000µs 📉 -51.1%) vs baseline: -0.8%

Memory: ✅ 40.167MB (SLO: <41.500MB -3.2%) vs baseline: +4.4%

✅ replace_noaspect

Time: ✅ 0.459µs (SLO: <10.000µs 📉 -95.4%) vs baseline: -0.5%

Memory: ✅ 40.128MB (SLO: <41.500MB -3.3%) vs baseline: +3.7%

✅ repr_aspect

Time: ✅ 0.904µs (SLO: <10.000µs 📉 -91.0%) vs baseline: -1.0%

Memory: ✅ 40.029MB (SLO: <41.500MB -3.5%) vs baseline: +4.5%

✅ repr_noaspect

Time: ✅ 0.419µs (SLO: <10.000µs 📉 -95.8%) vs baseline: +1.0%

Memory: ✅ 40.147MB (SLO: <41.500MB -3.3%) vs baseline: +4.7%

✅ rstrip_aspect

Time: ✅ 1.953µs (SLO: <20.000µs 📉 -90.2%) vs baseline: +1.5%

Memory: ✅ 40.147MB (SLO: <41.500MB -3.3%) vs baseline: +3.6%

✅ rstrip_noaspect

Time: ✅ 0.380µs (SLO: <10.000µs 📉 -96.2%) vs baseline: -0.8%

Memory: ✅ 40.206MB (SLO: <41.500MB -3.1%) vs baseline: +3.9%

✅ slice_aspect

Time: ✅ 0.490µs (SLO: <10.000µs 📉 -95.1%) vs baseline: -0.7%

Memory: ✅ 40.088MB (SLO: <41.500MB -3.4%) vs baseline: +4.2%

✅ slice_noaspect

Time: ✅ 0.448µs (SLO: <10.000µs 📉 -95.5%) vs baseline: +0.4%

Memory: ✅ 40.265MB (SLO: <41.500MB -3.0%) vs baseline: +3.9%

✅ stringio_aspect

Time: ✅ 1.779µs (SLO: <10.000µs 📉 -82.2%) vs baseline: 📈 +15.7%

Memory: ✅ 40.226MB (SLO: <41.500MB -3.1%) vs baseline: +4.9%

✅ stringio_noaspect

Time: ✅ 0.712µs (SLO: <10.000µs 📉 -92.9%) vs baseline: -0.1%

Memory: ✅ 40.305MB (SLO: <41.500MB -2.9%) vs baseline: +4.1%

✅ strip_aspect

Time: ✅ 2.241µs (SLO: <20.000µs 📉 -88.8%) vs baseline: +0.9%

Memory: ✅ 40.206MB (SLO: <41.500MB -3.1%) vs baseline: +4.8%

✅ strip_noaspect

Time: ✅ 0.381µs (SLO: <10.000µs 📉 -96.2%) vs baseline: -2.3%

Memory: ✅ 40.226MB (SLO: <41.500MB -3.1%) vs baseline: +4.1%

✅ swapcase_aspect

Time: ✅ 2.493µs (SLO: <10.000µs 📉 -75.1%) vs baseline: +2.1%

Memory: ✅ 40.167MB (SLO: <41.500MB -3.2%) vs baseline: +4.7%

✅ swapcase_noaspect

Time: ✅ 0.536µs (SLO: <10.000µs 📉 -94.6%) vs baseline: +0.2%

Memory: ✅ 40.167MB (SLO: <41.500MB -3.2%) vs baseline: +3.8%

✅ title_aspect

Time: ✅ 2.446µs (SLO: <10.000µs 📉 -75.5%) vs baseline: +2.8%

Memory: ✅ 40.187MB (SLO: <41.500MB -3.2%) vs baseline: +5.1%

✅ title_noaspect

Time: ✅ 0.500µs (SLO: <10.000µs 📉 -95.0%) vs baseline: +0.7%

Memory: ✅ 40.206MB (SLO: <41.500MB -3.1%) vs baseline: +3.7%

✅ translate_aspect

Time: ✅ 3.313µs (SLO: <10.000µs 📉 -66.9%) vs baseline: +0.2%

Memory: ✅ 40.324MB (SLO: <41.500MB -2.8%) vs baseline: +4.9%

✅ translate_noaspect

Time: ✅ 1.042µs (SLO: <10.000µs 📉 -89.6%) vs baseline: +0.1%

Memory: ✅ 40.324MB (SLO: <41.500MB -2.8%) vs baseline: +4.8%

✅ upper_aspect

Time: ✅ 2.316µs (SLO: <10.000µs 📉 -76.8%) vs baseline: +3.1%

Memory: ✅ 40.206MB (SLO: <41.500MB -3.1%) vs baseline: +4.9%

✅ upper_noaspect

Time: ✅ 0.364µs (SLO: <10.000µs 📉 -96.4%) vs baseline: -1.4%

Memory: ✅ 40.324MB (SLO: <41.500MB -2.8%) vs baseline: +4.3%

📈 iastaspectsospath - 24/24

✅ ospathbasename_aspect

Time: ✅ 5.194µs (SLO: <10.000µs 📉 -48.1%) vs baseline: 📈 +27.6%

Memory: ✅ 40.147MB (SLO: <41.000MB -2.1%) vs baseline: +4.6%

✅ ospathbasename_noaspect

Time: ✅ 1.083µs (SLO: <10.000µs 📉 -89.2%) vs baseline: -0.5%

Memory: ✅ 40.246MB (SLO: <41.000MB 🟡 -1.8%) vs baseline: +5.0%

✅ ospathjoin_aspect

Time: ✅ 6.087µs (SLO: <10.000µs 📉 -39.1%) vs baseline: -1.6%

Memory: ✅ 40.324MB (SLO: <41.000MB 🟡 -1.6%) vs baseline: +5.1%

✅ ospathjoin_noaspect

Time: ✅ 2.286µs (SLO: <10.000µs 📉 -77.1%) vs baseline: -0.1%

Memory: ✅ 40.206MB (SLO: <41.000MB 🟡 -1.9%) vs baseline: +4.3%

✅ ospathnormcase_aspect

Time: ✅ 3.405µs (SLO: <10.000µs 📉 -65.9%) vs baseline: -0.2%

Memory: ✅ 40.246MB (SLO: <41.000MB 🟡 -1.8%) vs baseline: +4.8%

✅ ospathnormcase_noaspect

Time: ✅ 0.571µs (SLO: <10.000µs 📉 -94.3%) vs baseline: -0.2%

Memory: ✅ 40.403MB (SLO: <41.000MB 🟡 -1.5%) vs baseline: +5.1%

✅ ospathsplit_aspect

Time: ✅ 4.726µs (SLO: <10.000µs 📉 -52.7%) vs baseline: -0.4%

Memory: ✅ 40.128MB (SLO: <41.000MB -2.1%) vs baseline: +4.7%

✅ ospathsplit_noaspect

Time: ✅ 1.588µs (SLO: <10.000µs 📉 -84.1%) vs baseline: -0.4%

Memory: ✅ 40.147MB (SLO: <41.000MB -2.1%) vs baseline: +4.4%

✅ ospathsplitdrive_aspect

Time: ✅ 3.578µs (SLO: <10.000µs 📉 -64.2%) vs baseline: -1.8%

Memory: ✅ 40.344MB (SLO: <41.000MB 🟡 -1.6%) vs baseline: +5.5%

✅ ospathsplitdrive_noaspect

Time: ✅ 0.692µs (SLO: <10.000µs 📉 -93.1%) vs baseline: -0.4%

Memory: ✅ 40.246MB (SLO: <41.000MB 🟡 -1.8%) vs baseline: +4.7%

✅ ospathsplitext_aspect

Time: ✅ 4.507µs (SLO: <10.000µs 📉 -54.9%) vs baseline: -0.4%

Memory: ✅ 40.069MB (SLO: <41.000MB -2.3%) vs baseline: +4.5%

✅ ospathsplitext_noaspect

Time: ✅ 1.376µs (SLO: <10.000µs 📉 -86.2%) vs baseline: -1.1%

Memory: ✅ 40.285MB (SLO: <41.000MB 🟡 -1.7%) vs baseline: +4.9%

📈 telemetryaddmetric - 30/30

✅ 1-count-metric-1-times

Time: ✅ 3.362µs (SLO: <20.000µs 📉 -83.2%) vs baseline: 📈 +15.2%

Memory: ✅ 34.721MB (SLO: <35.500MB -2.2%) vs baseline: +4.6%

✅ 1-count-metrics-100-times

Time: ✅ 199.878µs (SLO: <220.000µs -9.1%) vs baseline: -0.5%

Memory: ✅ 34.760MB (SLO: <35.500MB -2.1%) vs baseline: +5.0%

✅ 1-distribution-metric-1-times

Time: ✅ 3.270µs (SLO: <20.000µs 📉 -83.6%) vs baseline: -0.1%

Memory: ✅ 34.800MB (SLO: <35.500MB 🟡 -2.0%) vs baseline: +5.1%

✅ 1-distribution-metrics-100-times

Time: ✅ 217.633µs (SLO: <230.000µs -5.4%) vs baseline: +0.1%

Memory: ✅ 34.819MB (SLO: <35.500MB 🟡 -1.9%) vs baseline: +5.0%

✅ 1-gauge-metric-1-times

Time: ✅ 2.168µs (SLO: <20.000µs 📉 -89.2%) vs baseline: ~same

Memory: ✅ 34.780MB (SLO: <35.500MB -2.0%) vs baseline: +5.0%

✅ 1-gauge-metrics-100-times

Time: ✅ 135.644µs (SLO: <150.000µs -9.6%) vs baseline: -0.6%

Memory: ✅ 34.741MB (SLO: <35.500MB -2.1%) vs baseline: +4.7%

✅ 1-rate-metric-1-times

Time: ✅ 3.081µs (SLO: <20.000µs 📉 -84.6%) vs baseline: +0.4%

Memory: ✅ 34.780MB (SLO: <35.500MB -2.0%) vs baseline: +4.6%

✅ 1-rate-metrics-100-times

Time: ✅ 214.949µs (SLO: <250.000µs 📉 -14.0%) vs baseline: +0.2%

Memory: ✅ 34.721MB (SLO: <35.500MB -2.2%) vs baseline: +4.9%

✅ 100-count-metrics-100-times

Time: ✅ 20.473ms (SLO: <22.000ms -6.9%) vs baseline: +0.3%

Memory: ✅ 34.819MB (SLO: <35.500MB 🟡 -1.9%) vs baseline: +5.0%

✅ 100-distribution-metrics-100-times

Time: ✅ 2.297ms (SLO: <2.550ms -9.9%) vs baseline: -0.3%

Memory: ✅ 34.819MB (SLO: <35.500MB 🟡 -1.9%) vs baseline: +5.0%

✅ 100-gauge-metrics-100-times

Time: ✅ 1.410ms (SLO: <1.550ms -9.0%) vs baseline: ~same

Memory: ✅ 34.859MB (SLO: <35.500MB 🟡 -1.8%) vs baseline: +5.1%

✅ 100-rate-metrics-100-times

Time: ✅ 2.226ms (SLO: <2.550ms 📉 -12.7%) vs baseline: +0.3%

Memory: ✅ 34.800MB (SLO: <35.500MB 🟡 -2.0%) vs baseline: +4.9%

✅ flush-1-metric

Time: ✅ 4.590µs (SLO: <20.000µs 📉 -77.0%) vs baseline: -0.7%

Memory: ✅ 35.075MB (SLO: <35.500MB 🟡 -1.2%) vs baseline: +5.0%

✅ flush-100-metrics

Time: ✅ 173.579µs (SLO: <250.000µs 📉 -30.6%) vs baseline: -0.1%

Memory: ✅ 35.075MB (SLO: <35.500MB 🟡 -1.2%) vs baseline: +4.6%

✅ flush-1000-metrics

Time: ✅ 2.185ms (SLO: <2.500ms 📉 -12.6%) vs baseline: +0.1%

Memory: ✅ 35.940MB (SLO: <36.500MB 🟡 -1.5%) vs baseline: +4.8%

🟡 Near SLO Breach (17 suites)

🟡 coreapiscenario - 10/10 (1 unstable)

⚠️ context_with_data_listeners

Time: ⚠️ 13.266µs (SLO: <20.000µs 📉 -33.7%) vs baseline: +0.3%

Memory: ✅ 34.721MB (SLO: <35.500MB -2.2%) vs baseline: +4.4%

✅ context_with_data_no_listeners

Time: ✅ 3.265µs (SLO: <10.000µs 📉 -67.4%) vs baseline: -0.7%

Memory: ✅ 34.741MB (SLO: <35.500MB -2.1%) vs baseline: +4.9%

✅ get_item_exists

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

Memory: ✅ 34.819MB (SLO: <35.500MB 🟡 -1.9%) vs baseline: +5.2%

✅ get_item_missing

Time: ✅ 0.638µs (SLO: <10.000µs 📉 -93.6%) vs baseline: +0.4%

Memory: ✅ 34.819MB (SLO: <35.500MB 🟡 -1.9%) vs baseline: +5.0%

✅ set_item

Time: ✅ 24.200µs (SLO: <30.000µs 📉 -19.3%) vs baseline: -0.6%

Memory: ✅ 34.859MB (SLO: <35.500MB 🟡 -1.8%) vs baseline: +5.2%

🟡 djangosimple - 30/30

✅ appsec

Time: ✅ 19.616ms (SLO: <22.300ms 📉 -12.0%) vs baseline: +0.6%

Memory: ✅ 68.184MB (SLO: <70.500MB -3.3%) vs baseline: +4.7%

✅ exception-replay-enabled

Time: ✅ 1.358ms (SLO: <1.450ms -6.3%) vs baseline: ~same

Memory: ✅ 66.223MB (SLO: <67.500MB 🟡 -1.9%) vs baseline: +4.7%

✅ iast

Time: ✅ 19.642ms (SLO: <22.250ms 📉 -11.7%) vs baseline: +0.1%

Memory: ✅ 68.144MB (SLO: <70.000MB -2.7%) vs baseline: +4.8%

✅ profiler

Time: ✅ 15.429ms (SLO: <16.550ms -6.8%) vs baseline: ~same

Memory: ✅ 56.343MB (SLO: <57.500MB -2.0%) vs baseline: +4.8%

✅ resource-renaming

Time: ✅ 19.573ms (SLO: <21.750ms 📉 -10.0%) vs baseline: +0.5%

Memory: ✅ 68.184MB (SLO: <70.500MB -3.3%) vs baseline: +4.9%

✅ span-code-origin

Time: ✅ 19.907ms (SLO: <28.200ms 📉 -29.4%) vs baseline: +0.9%

Memory: ✅ 68.129MB (SLO: <71.000MB -4.0%) vs baseline: +4.8%

✅ tracer

Time: ✅ 19.618ms (SLO: <21.750ms -9.8%) vs baseline: +0.1%

Memory: ✅ 68.184MB (SLO: <70.000MB -2.6%) vs baseline: +4.8%

✅ tracer-and-profiler

Time: ✅ 21.710ms (SLO: <23.500ms -7.6%) vs baseline: +0.1%

Memory: ✅ 69.245MB (SLO: <71.000MB -2.5%) vs baseline: +4.8%

✅ tracer-dont-create-db-spans

Time: ✅ 19.688ms (SLO: <21.500ms -8.4%) vs baseline: +0.4%

Memory: ✅ 68.164MB (SLO: <70.000MB -2.6%) vs baseline: +4.7%

✅ tracer-minimal

Time: ✅ 16.877ms (SLO: <17.500ms -3.6%) vs baseline: +0.4%

Memory: ✅ 67.830MB (SLO: <70.000MB -3.1%) vs baseline: +5.0%

✅ tracer-native

Time: ✅ 19.484ms (SLO: <21.750ms 📉 -10.4%) vs baseline: +0.4%

Memory: ✅ 68.184MB (SLO: <72.500MB -6.0%) vs baseline: +4.8%

✅ tracer-no-caches

Time: ✅ 17.734ms (SLO: <19.650ms -9.8%) vs baseline: +1.0%

Memory: ✅ 67.810MB (SLO: <70.000MB -3.1%) vs baseline: +4.4%

✅ tracer-no-databases

Time: ✅ 19.082ms (SLO: <20.100ms -5.1%) vs baseline: -0.3%

Memory: ✅ 67.849MB (SLO: <70.000MB -3.1%) vs baseline: +4.9%

✅ tracer-no-middleware

Time: ✅ 19.287ms (SLO: <21.500ms 📉 -10.3%) vs baseline: +0.1%

Memory: ✅ 67.967MB (SLO: <70.000MB -2.9%) vs baseline: +4.8%

✅ tracer-no-templates

Time: ✅ 19.447ms (SLO: <22.000ms 📉 -11.6%) vs baseline: +1.0%

Memory: ✅ 68.243MB (SLO: <70.500MB -3.2%) vs baseline: +4.9%

🟡 errortrackingdjangosimple - 6/6

✅ errortracking-enabled-all

Time: ✅ 16.308ms (SLO: <19.850ms 📉 -17.8%) vs baseline: +0.2%

Memory: ✅ 69.872MB (SLO: <70.000MB 🟡 -0.2%) vs baseline: +4.9%

✅ errortracking-enabled-user

Time: ✅ 16.312ms (SLO: <19.400ms 📉 -15.9%) vs baseline: ~same

Memory: ✅ 69.904MB (SLO: <70.000MB 🟡 -0.1%) vs baseline: +4.9%

✅ tracer-enabled

Time: ✅ 16.392ms (SLO: <19.450ms 📉 -15.7%) vs baseline: ~same

Memory: ✅ 69.816MB (SLO: <70.000MB 🟡 -0.3%) vs baseline: +5.0%

🟡 errortrackingflasksqli - 6/6

✅ errortracking-enabled-all

Time: ✅ 2.063ms (SLO: <2.300ms 📉 -10.3%) vs baseline: ~same

Memory: ✅ 55.699MB (SLO: <56.500MB 🟡 -1.4%) vs baseline: +4.8%

✅ errortracking-enabled-user

Time: ✅ 2.074ms (SLO: <2.250ms -7.8%) vs baseline: +0.2%

Memory: ✅ 55.718MB (SLO: <56.500MB 🟡 -1.4%) vs baseline: +4.7%

✅ tracer-enabled

Time: ✅ 2.064ms (SLO: <2.300ms 📉 -10.2%) vs baseline: +0.1%

Memory: ✅ 55.679MB (SLO: <56.500MB 🟡 -1.5%) vs baseline: +4.7%

🟡 flasksimple - 18/18

✅ appsec-get

Time: ✅ 3.369ms (SLO: <4.750ms 📉 -29.1%) vs baseline: -0.1%

Memory: ✅ 55.454MB (SLO: <66.500MB 📉 -16.6%) vs baseline: +4.9%

✅ appsec-post

Time: ✅ 2.854ms (SLO: <6.750ms 📉 -57.7%) vs baseline: +0.2%

Memory: ✅ 55.729MB (SLO: <66.500MB 📉 -16.2%) vs baseline: +5.0%

✅ appsec-telemetry

Time: ✅ 3.381ms (SLO: <4.750ms 📉 -28.8%) vs baseline: +0.4%

Memory: ✅ 55.467MB (SLO: <66.500MB 📉 -16.6%) vs baseline: +5.0%

✅ debugger

Time: ✅ 1.867ms (SLO: <2.000ms -6.6%) vs baseline: +0.2%

Memory: ✅ 47.994MB (SLO: <49.500MB -3.0%) vs baseline: +5.1%

✅ iast-get

Time: ✅ 1.859ms (SLO: <2.000ms -7.1%) vs baseline: +0.3%

Memory: ✅ 44.512MB (SLO: <49.000MB -9.2%) vs baseline: +4.7%

✅ profiler

Time: ✅ 1.904ms (SLO: <2.100ms -9.3%) vs baseline: ~same

Memory: ✅ 48.721MB (SLO: <50.000MB -2.6%) vs baseline: +4.7%

✅ resource-renaming

Time: ✅ 3.341ms (SLO: <3.650ms -8.5%) vs baseline: -0.6%

Memory: ✅ 55.465MB (SLO: <56.000MB 🟡 -1.0%) vs baseline: +4.8%

✅ tracer

Time: ✅ 3.361ms (SLO: <3.650ms -7.9%) vs baseline: -0.4%

Memory: ✅ 55.405MB (SLO: <56.500MB 🟡 -1.9%) vs baseline: +4.8%

✅ tracer-native

Time: ✅ 3.365ms (SLO: <3.650ms -7.8%) vs baseline: +0.3%

Memory: ✅ 55.413MB (SLO: <60.000MB -7.6%) vs baseline: +4.8%

🟡 flasksqli - 6/6

✅ appsec-enabled

Time: ✅ 2.059ms (SLO: <4.200ms 📉 -51.0%) vs baseline: +0.2%

Memory: ✅ 55.794MB (SLO: <66.000MB 📉 -15.5%) vs baseline: +5.0%

✅ iast-enabled

Time: ✅ 2.069ms (SLO: <2.800ms 📉 -26.1%) vs baseline: +0.4%

Memory: ✅ 55.797MB (SLO: <62.500MB 📉 -10.7%) vs baseline: +4.9%

✅ tracer-enabled

Time: ✅ 2.058ms (SLO: <2.250ms -8.5%) vs baseline: +0.3%

Memory: ✅ 55.758MB (SLO: <56.500MB 🟡 -1.3%) vs baseline: +4.8%

🟡 httppropagationextract - 60/60

✅ all_styles_all_headers

Time: ✅ 81.387µs (SLO: <100.000µs 📉 -18.6%) vs baseline: ~same

Memory: ✅ 34.819MB (SLO: <35.500MB 🟡 -1.9%) vs baseline: +4.8%

✅ b3_headers

Time: ✅ 14.291µs (SLO: <20.000µs 📉 -28.5%) vs baseline: +0.5%

Memory: ✅ 34.839MB (SLO: <35.500MB 🟡 -1.9%) vs baseline: +4.8%

✅ b3_single_headers

Time: ✅ 13.350µs (SLO: <20.000µs 📉 -33.2%) vs baseline: ~same

Memory: ✅ 34.760MB (SLO: <35.500MB -2.1%) vs baseline: +4.9%

✅ datadog_tracecontext_tracestate_not_propagated_on_trace_id_no_match

Time: ✅ 63.896µs (SLO: <80.000µs 📉 -20.1%) vs baseline: +0.2%

Memory: ✅ 34.780MB (SLO: <35.500MB -2.0%) vs baseline: +4.6%

✅ datadog_tracecontext_tracestate_propagated_on_trace_id_match

Time: ✅ 69.256µs (SLO: <80.000µs 📉 -13.4%) vs baseline: +4.8%

Memory: ✅ 34.800MB (SLO: <35.500MB 🟡 -2.0%) vs baseline: +4.6%

✅ empty_headers

Time: ✅ 1.627µs (SLO: <10.000µs 📉 -83.7%) vs baseline: +1.0%

Memory: ✅ 34.760MB (SLO: <35.500MB -2.1%) vs baseline: +4.4%

✅ full_t_id_datadog_headers

Time: ✅ 22.794µs (SLO: <30.000µs 📉 -24.0%) vs baseline: +1.7%

Memory: ✅ 34.898MB (SLO: <35.500MB 🟡 -1.7%) vs baseline: +5.2%

✅ invalid_priority_header

Time: ✅ 6.511µs (SLO: <10.000µs 📉 -34.9%) vs baseline: ~same

Memory: ✅ 34.760MB (SLO: <35.500MB -2.1%) vs baseline: +4.6%

✅ invalid_span_id_header

Time: ✅ 6.534µs (SLO: <10.000µs 📉 -34.7%) vs baseline: +0.6%

Memory: ✅ 34.819MB (SLO: <35.500MB 🟡 -1.9%) vs baseline: +4.8%

✅ invalid_tags_header

Time: ✅ 6.522µs (SLO: <10.000µs 📉 -34.8%) vs baseline: +0.2%

Memory: ✅ 34.859MB (SLO: <35.500MB 🟡 -1.8%) vs baseline: +4.8%

✅ invalid_trace_id_header

Time: ✅ 6.503µs (SLO: <10.000µs 📉 -35.0%) vs baseline: -0.1%

Memory: ✅ 34.800MB (SLO: <35.500MB 🟡 -2.0%) vs baseline: +4.7%

✅ large_header_no_matches

Time: ✅ 27.830µs (SLO: <30.000µs -7.2%) vs baseline: +0.4%

Memory: ✅ 34.839MB (SLO: <35.500MB 🟡 -1.9%) vs baseline: +4.9%

✅ large_valid_headers_all

Time: ✅ 28.756µs (SLO: <40.000µs 📉 -28.1%) vs baseline: -0.6%

Memory: ✅ 34.859MB (SLO: <35.500MB 🟡 -1.8%) vs baseline: +5.0%

✅ medium_header_no_matches

Time: ✅ 9.851µs (SLO: <20.000µs 📉 -50.7%) vs baseline: ~same

Memory: ✅ 34.898MB (SLO: <35.500MB 🟡 -1.7%) vs baseline: +5.0%

✅ medium_valid_headers_all

Time: ✅ 11.293µs (SLO: <20.000µs 📉 -43.5%) vs baseline: -0.2%

Memory: ✅ 34.898MB (SLO: <35.500MB 🟡 -1.7%) vs baseline: +5.0%

✅ none_propagation_style

Time: ✅ 1.717µs (SLO: <10.000µs 📉 -82.8%) vs baseline: +0.3%

Memory: ✅ 34.760MB (SLO: <35.500MB -2.1%) vs baseline: +4.7%

✅ tracecontext_headers

Time: ✅ 34.743µs (SLO: <40.000µs 📉 -13.1%) vs baseline: +0.2%

Memory: ✅ 34.800MB (SLO: <35.500MB 🟡 -2.0%) vs baseline: +4.7%

✅ valid_headers_all

Time: ✅ 6.480µs (SLO: <10.000µs 📉 -35.2%) vs baseline: -0.5%

Memory: ✅ 34.780MB (SLO: <35.500MB -2.0%) vs baseline: +4.4%

✅ valid_headers_basic

Time: ✅ 6.119µs (SLO: <10.000µs 📉 -38.8%) vs baseline: +0.6%

Memory: ✅ 34.898MB (SLO: <35.500MB 🟡 -1.7%) vs baseline: +4.7%

✅ wsgi_empty_headers

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

Memory: ✅ 34.878MB (SLO: <35.500MB 🟡 -1.8%) vs baseline: +5.0%

✅ wsgi_invalid_priority_header

Time: ✅ 6.567µs (SLO: <10.000µs 📉 -34.3%) vs baseline: +0.1%

Memory: ✅ 34.878MB (SLO: <35.500MB 🟡 -1.8%) vs baseline: +4.9%

✅ wsgi_invalid_span_id_header

Time: ✅ 1.622µs (SLO: <10.000µs 📉 -83.8%) vs baseline: +0.8%

Memory: ✅ 34.780MB (SLO: <35.500MB -2.0%) vs baseline: +4.9%

✅ wsgi_invalid_tags_header

Time: ✅ 6.584µs (SLO: <10.000µs 📉 -34.2%) vs baseline: +0.6%

Memory: ✅ 34.898MB (SLO: <35.500MB 🟡 -1.7%) vs baseline: +4.9%

✅ wsgi_invalid_trace_id_header

Time: ✅ 6.551µs (SLO: <10.000µs 📉 -34.5%) vs baseline: +0.6%

Memory: ✅ 34.918MB (SLO: <35.500MB 🟡 -1.6%) vs baseline: +5.0%

✅ wsgi_large_header_no_matches

Time: ✅ 28.726µs (SLO: <40.000µs 📉 -28.2%) vs baseline: ~same

Memory: ✅ 34.839MB (SLO: <35.500MB 🟡 -1.9%) vs baseline: +4.9%

✅ wsgi_large_valid_headers_all

Time: ✅ 29.839µs (SLO: <40.000µs 📉 -25.4%) vs baseline: ~same

Memory: ✅ 34.859MB (SLO: <35.500MB 🟡 -1.8%) vs baseline: +5.1%

✅ wsgi_medium_header_no_matches

Time: ✅ 10.093µs (SLO: <20.000µs 📉 -49.5%) vs baseline: -0.3%

Memory: ✅ 34.760MB (SLO: <35.500MB -2.1%) vs baseline: +4.4%

✅ wsgi_medium_valid_headers_all

Time: ✅ 11.642µs (SLO: <20.000µs 📉 -41.8%) vs baseline: +0.3%

Memory: ✅ 34.918MB (SLO: <35.500MB 🟡 -1.6%) vs baseline: +5.0%

✅ wsgi_valid_headers_all

Time: ✅ 6.559µs (SLO: <10.000µs 📉 -34.4%) vs baseline: -0.2%

Memory: ✅ 34.780MB (SLO: <35.500MB -2.0%) vs baseline: +4.6%

✅ wsgi_valid_headers_basic

Time: ✅ 6.128µs (SLO: <10.000µs 📉 -38.7%) vs baseline: +0.7%

Memory: ✅ 34.859MB (SLO: <35.500MB 🟡 -1.8%) vs baseline: +4.8%

🟡 httppropagationinject - 16/16

✅ ids_only

Time: ✅ 21.980µs (SLO: <30.000µs 📉 -26.7%) vs baseline: +3.7%

Memory: ✅ 34.819MB (SLO: <35.500MB 🟡 -1.9%) vs baseline: +4.7%

✅ with_all

Time: ✅ 27.748µs (SLO: <40.000µs 📉 -30.6%) vs baseline: -0.3%

Memory: ✅ 34.760MB (SLO: <35.500MB -2.1%) vs baseline: +4.7%

✅ with_dd_origin

Time: ✅ 24.774µs (SLO: <30.000µs 📉 -17.4%) vs baseline: ~same

Memory: ✅ 34.741MB (SLO: <35.500MB -2.1%) vs baseline: +4.4%

✅ with_priority_and_origin

Time: ✅ 24.320µs (SLO: <40.000µs 📉 -39.2%) vs baseline: -0.5%

Memory: ✅ 34.839MB (SLO: <35.500MB 🟡 -1.9%) vs baseline: +4.9%

✅ with_sampling_priority

Time: ✅ 21.161µs (SLO: <30.000µs 📉 -29.5%) vs baseline: +1.0%

Memory: ✅ 34.819MB (SLO: <35.500MB 🟡 -1.9%) vs baseline: +5.4%

✅ with_tags

Time: ✅ 25.837µs (SLO: <40.000µs 📉 -35.4%) vs baseline: -0.9%

Memory: ✅ 34.800MB (SLO: <35.500MB 🟡 -2.0%) vs baseline: +4.7%

✅ with_tags_invalid

Time: ✅ 27.389µs (SLO: <40.000µs 📉 -31.5%) vs baseline: +0.1%

Memory: ✅ 34.780MB (SLO: <35.500MB -2.0%) vs baseline: +4.9%

✅ with_tags_max_size

Time: ✅ 26.533µs (SLO: <40.000µs 📉 -33.7%) vs baseline: +0.3%

Memory: ✅ 34.800MB (SLO: <35.500MB 🟡 -2.0%) vs baseline: +4.7%

🟡 iast_aspects - 40/40

✅ re_expand_aspect

Time: ✅ 33.954µs (SLO: <40.000µs 📉 -15.1%) vs baseline: +5.9%

Memory: ✅ 40.206MB (SLO: <41.000MB 🟡 -1.9%) vs baseline: +4.9%

✅ re_expand_noaspect

Time: ✅ 28.765µs (SLO: <40.000µs 📉 -28.1%) vs baseline: +0.7%

Memory: ✅ 40.364MB (SLO: <41.000MB 🟡 -1.6%) vs baseline: +5.3%

✅ re_findall_aspect

Time: ✅ 2.922µs (SLO: <10.000µs 📉 -70.8%) vs baseline: +0.4%

Memory: ✅ 40.206MB (SLO: <41.000MB 🟡 -1.9%) vs baseline: +4.7%

✅ re_findall_noaspect

Time: ✅ 1.420µs (SLO: <10.000µs 📉 -85.8%) vs baseline: +0.9%

Memory: ✅ 40.069MB (SLO: <41.000MB -2.3%) vs baseline: +4.4%

✅ re_finditer_aspect

Time: ✅ 4.453µs (SLO: <10.000µs 📉 -55.5%) vs baseline: ~same

Memory: ✅ 40.147MB (SLO: <41.000MB -2.1%) vs baseline: +4.8%

✅ re_finditer_noaspect

Time: ✅ 1.415µs (SLO: <10.000µs 📉 -85.9%) vs baseline: +0.4%

Memory: ✅ 40.226MB (SLO: <41.000MB 🟡 -1.9%) vs baseline: +4.6%

✅ re_fullmatch_aspect

Time: ✅ 2.680µs (SLO: <10.000µs 📉 -73.2%) vs baseline: -0.4%

Memory: ✅ 40.128MB (SLO: <41.000MB -2.1%) vs baseline: +4.9%

✅ re_fullmatch_noaspect

Time: ✅ 1.299µs (SLO: <10.000µs 📉 -87.0%) vs baseline: +0.1%

Memory: ✅ 40.265MB (SLO: <41.000MB 🟡 -1.8%) vs baseline: +4.7%

✅ re_group_aspect

Time: ✅ 3.004µs (SLO: <10.000µs 📉 -70.0%) vs baseline: +0.5%

Memory: ✅ 40.206MB (SLO: <41.000MB 🟡 -1.9%) vs baseline: +4.7%

✅ re_group_noaspect

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

Memory: ✅ 40.324MB (SLO: <41.000MB 🟡 -1.6%) vs baseline: +4.9%

✅ re_groups_aspect

Time: ✅ 3.140µs (SLO: <10.000µs 📉 -68.6%) vs baseline: +0.5%

Memory: ✅ 40.226MB (SLO: <41.000MB 🟡 -1.9%) vs baseline: +4.8%

✅ re_groups_noaspect

Time: ✅ 1.689µs (SLO: <10.000µs 📉 -83.1%) vs baseline: -0.2%

Memory: ✅ 40.147MB (SLO: <41.000MB -2.1%) vs baseline: +4.8%

✅ re_match_aspect

Time: ✅ 2.774µs (SLO: <10.000µs 📉 -72.3%) vs baseline: +1.2%

Memory: ✅ 40.128MB (SLO: <41.000MB -2.1%) vs baseline: +4.8%

✅ re_match_noaspect

Time: ✅ 1.287µs (SLO: <10.000µs 📉 -87.1%) vs baseline: -1.9%

Memory: ✅ 40.246MB (SLO: <41.000MB 🟡 -1.8%) vs baseline: +5.1%

✅ re_search_aspect

Time: ✅ 2.573µs (SLO: <10.000µs 📉 -74.3%) vs baseline: -1.2%

Memory: ✅ 40.108MB (SLO: <41.000MB -2.2%) vs baseline: +4.3%

✅ re_search_noaspect

Time: ✅ 1.209µs (SLO: <10.000µs 📉 -87.9%) vs baseline: +0.9%

Memory: ✅ 40.246MB (SLO: <41.000MB 🟡 -1.8%) vs baseline: +4.9%

✅ re_sub_aspect

Time: ✅ 3.505µs (SLO: <10.000µs 📉 -64.9%) vs baseline: +2.5%

Memory: ✅ 40.147MB (SLO: <41.000MB -2.1%) vs baseline: +4.8%

✅ re_sub_noaspect

Time: ✅ 1.530µs (SLO: <10.000µs 📉 -84.7%) vs baseline: -0.1%

Memory: ✅ 40.285MB (SLO: <41.000MB 🟡 -1.7%) vs baseline: +4.5%

✅ re_subn_aspect

Time: ✅ 3.660µs (SLO: <10.000µs 📉 -63.4%) vs baseline: -0.4%

Memory: ✅ 40.029MB (SLO: <41.000MB -2.4%) vs baseline: +4.3%

✅ re_subn_noaspect

Time: ✅ 1.612µs (SLO: <10.000µs 📉 -83.9%) vs baseline: +0.7%

Memory: ✅ 40.187MB (SLO: <41.000MB 🟡 -2.0%) vs baseline: +4.8%

🟡 iastaspectssplit - 12/12

✅ rsplit_aspect

Time: ✅ 1.555µs (SLO: <10.000µs 📉 -84.4%) vs baseline: +4.3%

Memory: ✅ 40.108MB (SLO: <41.000MB -2.2%) vs baseline: +4.7%

✅ rsplit_noaspect

Time: ✅ 0.579µs (SLO: <10.000µs 📉 -94.2%) vs baseline: +0.2%

Memory: ✅ 40.206MB (SLO: <41.000MB 🟡 -1.9%) vs baseline: +4.7%

✅ split_aspect

Time: ✅ 1.443µs (SLO: <10.000µs 📉 -85.6%) vs baseline: +2.8%

Memory: ✅ 40.147MB (SLO: <41.000MB -2.1%) vs baseline: +4.6%

✅ split_noaspect

Time: ✅ 0.570µs (SLO: <10.000µs 📉 -94.3%) vs baseline: -0.3%

Memory: ✅ 40.128MB (SLO: <41.000MB -2.1%) vs baseline: +4.3%

✅ splitlines_aspect

Time: ✅ 1.414µs (SLO: <10.000µs 📉 -85.9%) vs baseline: -0.1%

Memory: ✅ 40.226MB (SLO: <41.000MB 🟡 -1.9%) vs baseline: +5.1%

✅ splitlines_noaspect

Time: ✅ 0.580µs (SLO: <10.000µs 📉 -94.2%) vs baseline: -0.7%

Memory: ✅ 40.206MB (SLO: <41.000MB 🟡 -1.9%) vs baseline: +5.0%

🟡 otelspan - 22/22

✅ add-event

Time: ✅ 39.411ms (SLO: <47.150ms 📉 -16.4%) vs baseline: -0.4%

Memory: ✅ 39.412MB (SLO: <47.000MB 📉 -16.1%) vs baseline: +4.4%

✅ add-metrics

Time: ✅ 260.605ms (SLO: <344.800ms 📉 -24.4%) vs baseline: ~same

Memory: ✅ 43.806MB (SLO: <47.500MB -7.8%) vs baseline: +4.9%

✅ add-tags

Time: ✅ 317.703ms (SLO: <321.000ms 🟡 -1.0%) vs baseline: +0.6%

Memory: ✅ 43.597MB (SLO: <47.500MB -8.2%) vs baseline: +4.6%

✅ get-context

Time: ✅ 79.909ms (SLO: <92.350ms 📉 -13.5%) vs baseline: +0.1%

Memory: ✅ 39.715MB (SLO: <46.500MB 📉 -14.6%) vs baseline: +5.0%

✅ is-recording

Time: ✅ 37.108ms (SLO: <44.500ms 📉 -16.6%) vs baseline: ~same

Memory: ✅ 39.518MB (SLO: <47.500MB 📉 -16.8%) vs baseline: +4.7%

✅ record-exception

Time: ✅ 58.240ms (SLO: <67.650ms 📉 -13.9%) vs baseline: -0.5%

Memory: ✅ 39.901MB (SLO: <47.000MB 📉 -15.1%) vs baseline: +4.6%

✅ set-status

Time: ✅ 43.524ms (SLO: <50.400ms 📉 -13.6%) vs baseline: ~same

Memory: ✅ 39.444MB (SLO: <47.000MB 📉 -16.1%) vs baseline: +4.9%

✅ start

Time: ✅ 37.268ms (SLO: <43.450ms 📉 -14.2%) vs baseline: +2.1%

Memory: ✅ 39.585MB (SLO: <47.000MB 📉 -15.8%) vs baseline: +4.8%

✅ start-finish

Time: ✅ 81.873ms (SLO: <88.000ms -7.0%) vs baseline: ~same

Memory: ✅ 37.434MB (SLO: <46.500MB 📉 -19.5%) vs baseline: +4.9%

✅ start-finish-telemetry

Time: ✅ 83.361ms (SLO: <89.000ms -6.3%) vs baseline: -0.3%

Memory: ✅ 37.257MB (SLO: <46.500MB 📉 -19.9%) vs baseline: +4.9%

✅ update-name

Time: ✅ 37.902ms (SLO: <45.150ms 📉 -16.1%) vs baseline: +0.3%

Memory: ✅ 39.557MB (SLO: <47.000MB 📉 -15.8%) vs baseline: +4.5%

🟡 packagespackageforrootmodulemapping - 4/4

✅ cache_off

Time: ✅ 343.845ms (SLO: <354.300ms -3.0%) vs baseline: -0.7%

Memory: ✅ 41.176MB (SLO: <41.500MB 🟡 -0.8%) vs baseline: +5.4%

✅ cache_on

Time: ✅ 0.383µs (SLO: <10.000µs 📉 -96.2%) vs baseline: -0.2%

Memory: ✅ 39.526MB (SLO: <41.000MB -3.6%) vs baseline: +4.7%

🟡 ratelimiter - 12/12

✅ defaults

Time: ✅ 2.365µs (SLO: <10.000µs 📉 -76.4%) vs baseline: +0.4%

Memory: ✅ 35.114MB (SLO: <35.500MB 🟡 -1.1%) vs baseline: +4.7%

✅ high_rate_limit

Time: ✅ 2.421µs (SLO: <10.000µs 📉 -75.8%) vs baseline: -0.6%

Memory: ✅ 35.036MB (SLO: <35.500MB 🟡 -1.3%) vs baseline: +4.3%

✅ long_window

Time: ✅ 2.356µs (SLO: <10.000µs 📉 -76.4%) vs baseline: -0.4%

Memory: ✅ 35.075MB (SLO: <35.500MB 🟡 -1.2%) vs baseline: +4.9%

✅ low_rate_limit

Time: ✅ 2.365µs (SLO: <10.000µs 📉 -76.3%) vs baseline: +0.3%

Memory: ✅ 35.114MB (SLO: <35.500MB 🟡 -1.1%) vs baseline: +5.0%

✅ no_rate_limit

Time: ✅ 0.837µs (SLO: <10.000µs 📉 -91.6%) vs baseline: +0.6%

Memory: ✅ 35.154MB (SLO: <35.500MB 🟡 -1.0%) vs baseline: +4.9%

✅ short_window

Time: ✅ 2.490µs (SLO: <10.000µs 📉 -75.1%) vs baseline: -0.8%

Memory: ✅ 35.036MB (SLO: <35.500MB 🟡 -1.3%) vs baseline: +4.4%

🟡 recursivecomputation - 8/8

✅ deep

Time: ✅ 308.550ms (SLO: <320.950ms -3.9%) vs baseline: ~same

Memory: ✅ 36.038MB (SLO: <36.500MB 🟡 -1.3%) vs baseline: +5.1%

✅ deep-profiled

Time: ✅ 327.928ms (SLO: <359.150ms -8.7%) vs baseline: ~same

Memory: ✅ 39.793MB (SLO: <40.500MB 🟡 -1.7%) vs baseline: +4.8%

✅ medium

Time: ✅ 7.001ms (SLO: <7.400ms -5.4%) vs baseline: +0.1%

Memory: ✅ 34.800MB (SLO: <35.500MB 🟡 -2.0%) vs baseline: +4.7%

✅ shallow

Time: ✅ 0.949ms (SLO: <1.050ms -9.7%) vs baseline: +1.1%

Memory: ✅ 34.819MB (SLO: <35.500MB 🟡 -1.9%) vs baseline: +5.2%

🟡 sethttpmeta - 32/32

✅ all-disabled

Time: ✅ 10.587µs (SLO: <20.000µs 📉 -47.1%) vs baseline: +0.5%

Memory: ✅ 35.389MB (SLO: <36.000MB 🟡 -1.7%) vs baseline: +3.7%

✅ all-enabled

Time: ✅ 40.960µs (SLO: <50.000µs 📉 -18.1%) vs baseline: +1.8%

Memory: ✅ 35.389MB (SLO: <36.000MB 🟡 -1.7%) vs baseline: +3.7%

✅ collectipvariant_exists

Time: ✅ 40.806µs (SLO: <50.000µs 📉 -18.4%) vs baseline: ~same

Memory: ✅ 35.527MB (SLO: <36.000MB 🟡 -1.3%) vs baseline: +4.5%

✅ no-collectipvariant

Time: ✅ 40.092µs (SLO: <50.000µs 📉 -19.8%) vs baseline: ~same

Memory: ✅ 35.586MB (SLO: <36.000MB 🟡 -1.1%) vs baseline: +4.6%

✅ no-useragentvariant

Time: ✅ 38.865µs (SLO: <50.000µs 📉 -22.3%) vs baseline: -0.3%

Memory: ✅ 35.763MB (SLO: <36.000MB 🟡 -0.7%) vs baseline: +5.1%

✅ obfuscation-no-query

Time: ✅ 40.705µs (SLO: <50.000µs 📉 -18.6%) vs baseline: +0.1%

Memory: ✅ 35.665MB (SLO: <36.000MB 🟡 -0.9%) vs baseline: +4.7%

✅ obfuscation-regular-case-explicit-query

Time: ✅ 76.072µs (SLO: <90.000µs 📉 -15.5%) vs baseline: +0.3%

Memory: ✅ 35.645MB (SLO: <36.500MB -2.3%) vs baseline: +4.5%

✅ obfuscation-regular-case-implicit-query

Time: ✅ 76.566µs (SLO: <90.000µs 📉 -14.9%) vs baseline: +0.2%

Memory: ✅ 35.625MB (SLO: <36.500MB -2.4%) vs baseline: +4.7%

✅ obfuscation-send-querystring-disabled

Time: ✅ 154.281µs (SLO: <170.000µs -9.2%) vs baseline: -0.1%

Memory: ✅ 35.861MB (SLO: <36.500MB 🟡 -1.7%) vs baseline: +5.6%

✅ obfuscation-worst-case-explicit-query

Time: ✅ 148.583µs (SLO: <160.000µs -7.1%) vs baseline: ~same

Memory: ✅ 35.645MB (SLO: <36.500MB -2.3%) vs baseline: +4.9%

✅ obfuscation-worst-case-implicit-query

Time: ✅ 154.926µs (SLO: <170.000µs -8.9%) vs baseline: ~same

Memory: ✅ 35.704MB (SLO: <36.500MB -2.2%) vs baseline: +4.7%

✅ useragentvariant_exists_1

Time: ✅ 39.655µs (SLO: <50.000µs 📉 -20.7%) vs baseline: -0.2%

Memory: ✅ 35.271MB (SLO: <36.000MB -2.0%) vs baseline: +3.6%

✅ useragentvariant_exists_2

Time: ✅ 40.414µs (SLO: <50.000µs 📉 -19.2%) vs baseline: -1.0%

Memory: ✅ 35.468MB (SLO: <36.000MB 🟡 -1.5%) vs baseline: +4.2%

✅ useragentvariant_exists_3

Time: ✅ 39.921µs (SLO: <50.000µs 📉 -20.2%) vs baseline: -0.3%

Memory: ✅ 35.409MB (SLO: <36.000MB 🟡 -1.6%) vs baseline: +4.3%

✅ useragentvariant_not_exists_1

Time: ✅ 39.644µs (SLO: <50.000µs 📉 -20.7%) vs baseline: -0.4%

Memory: ✅ 35.271MB (SLO: <36.000MB -2.0%) vs baseline: +3.8%

✅ useragentvariant_not_exists_2

Time: ✅ 39.365µs (SLO: <50.000µs 📉 -21.3%) vs baseline: -0.6%

Memory: ✅ 35.389MB (SLO: <36.000MB 🟡 -1.7%) vs baseline: +3.9%

🟡 span - 26/26

✅ add-event

Time: ✅ 18.099ms (SLO: <22.500ms 📉 -19.6%) vs baseline: -0.6%

Memory: ✅ 36.874MB (SLO: <53.000MB 📉 -30.4%) vs baseline: +4.6%

✅ add-metrics

Time: ✅ 88.315ms (SLO: <93.500ms -5.5%) vs baseline: -0.5%

Memory: ✅ 41.091MB (SLO: <53.000MB 📉 -22.5%) vs baseline: +4.9%

✅ add-tags

Time: ✅ 141.811ms (SLO: <155.000ms -8.5%) vs baseline: -1.1%

Memory: ✅ 40.995MB (SLO: <53.000MB 📉 -22.7%) vs baseline: +4.6%

✅ get-context

Time: ✅ 16.999ms (SLO: <20.500ms 📉 -17.1%) vs baseline: ~same

Memory: ✅ 36.793MB (SLO: <53.000MB 📉 -30.6%) vs baseline: +5.1%

✅ is-recording

Time: ✅ 17.262ms (SLO: <20.500ms 📉 -15.8%) vs baseline: ~same

Memory: ✅ 36.775MB (SLO: <53.000MB 📉 -30.6%) vs baseline: +5.0%

✅ record-exception

Time: ✅ 36.655ms (SLO: <40.000ms -8.4%) vs baseline: +0.4%

Memory: ✅ 37.248MB (SLO: <53.000MB 📉 -29.7%) vs baseline: +4.6%

✅ set-status

Time: ✅ 18.683ms (SLO: <22.000ms 📉 -15.1%) vs baseline: -0.2%

Memory: ✅ 36.697MB (SLO: <53.000MB 📉 -30.8%) vs baseline: +4.9%

✅ start

Time: ✅ 17.420ms (SLO: <20.500ms 📉 -15.0%) vs baseline: +3.3%

Memory: ✅ 36.699MB (SLO: <53.000MB 📉 -30.8%) vs baseline: +4.7%

✅ start-finish

Time: ✅ 51.050ms (SLO: <52.500ms -2.8%) vs baseline: ~same

Memory: ✅ 34.800MB (SLO: <35.500MB 🟡 -2.0%) vs baseline: +5.2%

✅ start-finish-telemetry

Time: ✅ 52.371ms (SLO: <54.500ms -3.9%) vs baseline: -0.4%

Memory: ✅ 34.819MB (SLO: <35.500MB 🟡 -1.9%) vs baseline: +5.0%

✅ start-finish-traceid128

Time: ✅ 54.076ms (SLO: <57.000ms -5.1%) vs baseline: -0.1%

Memory: ✅ 34.780MB (SLO: <35.500MB -2.0%) vs baseline: +5.0%

✅ start-traceid128

Time: ✅ 17.321ms (SLO: <22.500ms 📉 -23.0%) vs baseline: +0.4%

Memory: ✅ 36.702MB (SLO: <53.000MB 📉 -30.8%) vs baseline: +4.8%

✅ update-name

Time: ✅ 17.341ms (SLO: <22.000ms 📉 -21.2%) vs baseline: ~same

Memory: ✅ 36.857MB (SLO: <53.000MB 📉 -30.5%) vs baseline: +5.0%

🟡 tracer - 6/6

✅ large

Time: ✅ 29.358ms (SLO: <32.950ms 📉 -10.9%) vs baseline: +0.4%

Memory: ✅ 35.960MB (SLO: <36.500MB 🟡 -1.5%) vs baseline: +5.0%

✅ medium

Time: ✅ 2.895ms (SLO: <3.200ms -9.5%) vs baseline: +0.3%

Memory: ✅ 34.721MB (SLO: <35.500MB -2.2%) vs baseline: +4.8%

✅ small

Time: ✅ 332.152µs (SLO: <370.000µs 📉 -10.2%) vs baseline: +2.3%

Memory: ✅ 34.760MB (SLO: <35.500MB -2.1%) vs baseline: +4.9%

⚠️ Unstable Tests (1 suite)

⚠️

packagesupdateimporteddependencies - 24/24 (1 unstable)

✅ import_many

Time: ✅ 156.458µs (SLO: <170.000µs -8.0%) vs baseline: +0.6%

Memory: ✅ 39.028MB (SLO: <41.000MB -4.8%) vs baseline: +4.2%

✅ import_many_cached

Time: ✅ 122.907µs (SLO: <130.000µs -5.5%) vs baseline: +1.0%

Memory: ✅ 39.218MB (SLO: <41.000MB -4.3%) vs baseline: +5.5%

✅ import_many_stdlib

Time: ✅ 0.752ms (SLO: <1.750ms 📉 -57.0%) vs baseline: -0.7%

Memory: ✅ 39.047MB (SLO: <41.000MB -4.8%) vs baseline: +4.5%

⚠️ import_many_stdlib_cached

Time: ⚠️ 0.172ms (SLO: <1.100ms 📉 -84.4%) vs baseline: -0.3%

Memory: ✅ 39.161MB (SLO: <41.000MB -4.5%) vs baseline: +5.3%

✅ import_many_unknown

Time: ✅ 829.338µs (SLO: <890.000µs -6.8%) vs baseline: +0.3%

Memory: ✅ 39.219MB (SLO: <41.000MB -4.3%) vs baseline: +5.0%

✅ import_many_unknown_cached

Time: ✅ 796.390µs (SLO: <870.000µs -8.5%) vs baseline: ~same

Memory: ✅ 39.170MB (SLO: <41.000MB -4.5%) vs baseline: +4.6%

✅ import_one

Time: ✅ 19.726µs (SLO: <30.000µs 📉 -34.2%) vs baseline: ~same

Memory: ✅ 39.079MB (SLO: <41.000MB -4.7%) vs baseline: +5.0%

✅ import_one_cache

Time: ✅ 6.308µs (SLO: <10.000µs 📉 -36.9%) vs baseline: -0.5%

Memory: ✅ 39.193MB (SLO: <41.000MB -4.4%) vs baseline: +5.4%

✅ import_one_stdlib

Time: ✅ 18.554µs (SLO: <20.000µs -7.2%) vs baseline: -0.2%

Memory: ✅ 39.201MB (SLO: <41.000MB -4.4%) vs baseline: +5.7%

✅ import_one_stdlib_cache

Time: ✅ 6.260µs (SLO: <10.000µs 📉 -37.4%) vs baseline: +0.1%

Memory: ✅ 38.957MB (SLO: <41.000MB -5.0%) vs baseline: +5.0%

✅ import_one_unknown

Time: ✅ 45.449µs (SLO: <50.000µs -9.1%) vs baseline: -0.3%

Memory: ✅ 39.109MB (SLO: <41.000MB -4.6%) vs baseline: +5.2%

✅ import_one_unknown_cache

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

Memory: ✅ 38.965MB (SLO: <41.000MB -5.0%) vs baseline: +4.8%

✅ All Tests Passing (3 suites)

✅ iastpropagation - 8/8

✅ no-propagation

Time: ✅ 48.978µs (SLO: <60.000µs 📉 -18.4%) vs baseline: -0.1%

Memory: ✅ 40.187MB (SLO: <42.000MB -4.3%) vs baseline: +5.2%

✅ propagation_enabled

Time: ✅ 175.708µs (SLO: <190.000µs -7.5%) vs baseline: +0.8%

Memory: ✅ 40.029MB (SLO: <42.000MB -4.7%) vs baseline: +5.0%

✅ propagation_enabled_100

Time: ✅ 1.919ms (SLO: <2.300ms 📉 -16.6%) vs baseline: -0.2%

Memory: ✅ 40.108MB (SLO: <42.000MB -4.5%) vs baseline: +5.1%

✅ propagation_enabled_1000

Time: ✅ 32.564ms (SLO: <34.550ms -5.7%) vs baseline: ~same

Memory: ✅ 40.128MB (SLO: <42.000MB -4.5%) vs baseline: +5.0%

✅ otelsdkspan - 24/24

✅ add-event

Time: ✅ 40.463ms (SLO: <42.000ms -3.7%) vs baseline: +0.6%

Memory: ✅ 37.650MB (SLO: <39.000MB -3.5%) vs baseline: +5.1%

✅ add-link

Time: ✅ 36.501ms (SLO: <38.550ms -5.3%) vs baseline: +0.7%

Memory: ✅ 37.552MB (SLO: <39.000MB -3.7%) vs baseline: +5.1%

✅ add-metrics

Time: ✅ 220.357ms (SLO: <232.000ms -5.0%) vs baseline: +0.2%

Memory: ✅ 37.650MB (SLO: <39.000MB -3.5%) vs baseline: +5.1%

✅ add-tags

Time: ✅ 213.383ms (SLO: <221.600ms -3.7%) vs baseline: +1.2%

Memory: ✅ 37.631MB (SLO: <39.000MB -3.5%) vs baseline: +5.0%

✅ get-context

Time: ✅ 29.191ms (SLO: <31.300ms -6.7%) vs baseline: +0.2%

Memory: ✅ 37.631MB (SLO: <39.000MB -3.5%) vs baseline: +4.8%

✅ is-recording

Time: ✅ 29.314ms (SLO: <31.000ms -5.4%) vs baseline: +0.9%

Memory: ✅ 37.670MB (SLO: <39.000MB -3.4%) vs baseline: +5.2%

✅ record-exception

Time: ✅ 62.783ms (SLO: <65.850ms -4.7%) vs baseline: -0.2%

Memory: ✅ 37.670MB (SLO: <39.000MB -3.4%) vs baseline: +4.9%

✅ set-status

Time: ✅ 32.172ms (SLO: <34.150ms -5.8%) vs baseline: +0.6%

Memory: ✅ 37.670MB (SLO: <39.000MB -3.4%) vs baseline: +5.2%

✅ start

Time: ✅ 29.322ms (SLO: <30.150ms -2.7%) vs baseline: +1.8%

Memory: ✅ 37.532MB (SLO: <39.000MB -3.8%) vs baseline: +4.7%

✅ start-finish

Time: ✅ 33.801ms (SLO: <35.350ms -4.4%) vs baseline: -0.2%

Memory: ✅ 37.788MB (SLO: <39.000MB -3.1%) vs baseline: +5.3%

✅ start-finish-telemetry

Time: ✅ 33.889ms (SLO: <35.450ms -4.4%) vs baseline: ~same

Memory: ✅ 37.709MB (SLO: <39.000MB -3.3%) vs baseline: +5.2%

✅ update-name

Time: ✅ 31.068ms (SLO: <33.400ms -7.0%) vs baseline: +0.1%

Memory: ✅ 37.552MB (SLO: <39.000MB -3.7%) vs baseline: +4.9%

✅ samplingrules - 8/8

✅ average_match

Time: ✅ 137.268µs (SLO: <290.000µs 📉 -52.7%) vs baseline: ~same

Memory: ✅ 34.721MB (SLO: <35.500MB -2.2%) vs baseline: +4.6%

✅ high_match

Time: ✅ 174.627µs (SLO: <480.000µs 📉 -63.6%) vs baseline: -0.4%

Memory: ✅ 34.780MB (SLO: <35.500MB -2.0%) vs baseline: +4.9%

✅ low_match

Time: ✅ 98.948µs (SLO: <120.000µs 📉 -17.5%) vs baseline: +0.2%

Memory: ✅ 603.542MB (SLO: <700.000MB 📉 -13.8%) vs baseline: +4.9%

✅ very_low_match

Time: ✅ 2.652ms (SLO: <8.500ms 📉 -68.8%) vs baseline: -0.6%

Memory: ✅ 70.979MB (SLO: <75.000MB -5.4%) vs baseline: +4.7%

ℹ️ Scenarios Missing SLO Configuration (10 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
sethttpmeta-obfuscation-disabled

…hon Lock profiler

KowalskiThomas · 2025-12-08T08:49:18Z

...filing-of-asyncio.BoundedSemaphore-objects-to-the-Python-Lock-profiler-5bf06391b0b047f1.yaml

+---
+features:
+  - |
+    profiling: Add support for ``asyncio.BoundedSemaphore`` locking type profiling in Python.


Suggested change

profiling: Add support for ``asyncio.BoundedSemaphore`` locking type profiling in Python.

profiling: Add support for ``asyncio.BoundedSemaphore`` lock type profiling in Python.

KowalskiThomas · 2025-12-08T08:49:49Z

...filing-of-asyncio.BoundedSemaphore-objects-to-the-Python-Lock-profiler-5bf06391b0b047f1.yaml

+    Unlike ``threading.BoundedSemaphore``, the asyncio version does not use internal locks,
+    so no internal lock detection is needed.


I'm not sure we need this in the changelog – as far as I know it's customer facing so we don't need to mention this which is an implementation detail

KowalskiThomas · 2025-12-08T08:50:16Z

...for-profiling-of-asyncio.Semaphore-objects-to-the-Python-Lock-profiler-193fd8150d084ea6.yaml

+    Also refactored asyncio collectors to use base class attributes (``MODULE`` and ``PATCHED_LOCK_NAME``)
+    for consistency with the threading module collectors.


Same here regarding mentioning implementation details – I don't think we should leak those to the customer-facing changelog

KowalskiThomas · 2025-12-08T08:50:42Z

tests/profiling/collector/test_asyncio.py

+LockTypeClass = Union[Type[asyncio.Lock], Type[asyncio.Semaphore], Type[asyncio.BoundedSemaphore]]
+LockTypeInst = Union[asyncio.Lock, asyncio.Semaphore, asyncio.BoundedSemaphore]


What do you think of this instead?

Suggested change

LockTypeClass = Union[Type[asyncio.Lock], Type[asyncio.Semaphore], Type[asyncio.BoundedSemaphore]]

LockTypeInst = Union[asyncio.Lock, asyncio.Semaphore, asyncio.BoundedSemaphore]

LockTypeInst = Union[asyncio.Lock, asyncio.Semaphore, asyncio.BoundedSemaphore]

LockTypeClass = Type[LockTypeInst]

KowalskiThomas · 2025-12-08T08:51:56Z

tests/profiling/collector/test_asyncio.py

-        with collector_asyncio.AsyncioLockCollector(capture_pct=100):
-            lock = asyncio.Lock()  # !CREATE! test_asyncio_lock_events
-            await lock.acquire()  # !ACQUIRE! test_asyncio_lock_events
+    async def test_lock_events(self):


Suggested change

async def test_lock_events(self):

async def test_lock_events(self) -> None:

I think we need this in order to type-check the body of our tests. By default, mypy doesn't type-check functions whose signature is untyped. (I may be wrong though.)

KowalskiThomas · 2025-12-08T08:52:30Z

tests/profiling/collector/test_asyncio.py

+    """Test asyncio.Lock profiling."""
+
+    @property
+    def collector_class(self):


Could we have type hints here?

feat(profiling): profile asyncio.Semaphore primitives with Python Loc…

9d28979

…k profiler

vlad-scherbich force-pushed the vlad/lockprof-asyncio-bounded-semaphore branch from 98663f9 to 8b01f85 Compare December 5, 2025 20:37

wip: fixing tests

ed892a6

vlad-scherbich force-pushed the vlad/lockprof-asyncio-bounded-semaphore branch from 8b01f85 to 578d2ec Compare December 5, 2025 20:53

feat(profiling): profile asyncio.BoundedSemaphore primitives with Pyt…

7e79ad4

…hon Lock profiler

vlad-scherbich force-pushed the vlad/lockprof-asyncio-bounded-semaphore branch from 578d2ec to 7e79ad4 Compare December 5, 2025 22:00

vlad-scherbich marked this pull request as ready for review December 5, 2025 22:17

vlad-scherbich requested review from a team as code owners December 5, 2025 22:17

vlad-scherbich requested review from avara1986 and nsrip-dd December 5, 2025 22:17

vlad-scherbich added the Profiling Continous Profling label Dec 5, 2025

KowalskiThomas reviewed Dec 8, 2025

View reviewed changes

	profiling: Add support for ``asyncio.BoundedSemaphore`` locking type profiling in Python.
	profiling: Add support for ``asyncio.BoundedSemaphore`` lock type profiling in Python.

		Unlike ``threading.BoundedSemaphore``, the asyncio version does not use internal locks,
		so no internal lock detection is needed.

		Also refactored asyncio collectors to use base class attributes (``MODULE`` and ``PATCHED_LOCK_NAME``)
		for consistency with the threading module collectors.

		LockTypeClass = Union[Type[asyncio.Lock], Type[asyncio.Semaphore], Type[asyncio.BoundedSemaphore]]
		LockTypeInst = Union[asyncio.Lock, asyncio.Semaphore, asyncio.BoundedSemaphore]

	async def test_lock_events(self):
	async def test_lock_events(self) -> None:

feat(profiling): profile asyncio.BoundedSemaphore primitives with Python Lock profiler #15532

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feat(profiling): profile asyncio.BoundedSemaphore primitives with Python Lock profiler #15532

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Description

Changes

Why no internal lock detection?

Testing

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Bootstrap import analysis

Summary

Import time breakdown

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Performance SLOs

✅ add_aspect

✅ add_inplace_aspect

✅ add_inplace_noaspect

✅ add_noaspect

✅ bytearray_aspect

✅ bytearray_extend_aspect

✅ bytearray_extend_noaspect

✅ bytearray_noaspect

✅ bytes_aspect

✅ bytes_noaspect

✅ bytesio_aspect

✅ bytesio_noaspect

✅ capitalize_aspect

✅ capitalize_noaspect

✅ casefold_aspect

✅ casefold_noaspect

✅ decode_aspect

✅ decode_noaspect

✅ encode_aspect

✅ encode_noaspect

✅ format_aspect

✅ format_map_aspect

✅ format_map_noaspect

✅ format_noaspect

✅ index_aspect

✅ index_noaspect

✅ join_aspect

✅ join_noaspect

✅ ljust_aspect

✅ ljust_noaspect

✅ lower_aspect

✅ lower_noaspect

✅ lstrip_aspect

✅ lstrip_noaspect

✅ modulo_aspect

✅ modulo_aspect_for_bytearray_bytearray

✅ modulo_aspect_for_bytes

✅ modulo_aspect_for_bytes_bytearray

✅ modulo_noaspect

✅ replace_aspect

✅ replace_noaspect

✅ repr_aspect

✅ repr_noaspect

✅ rstrip_aspect

✅ rstrip_noaspect

✅ slice_aspect

✅ slice_noaspect

✅ stringio_aspect

✅ stringio_noaspect

✅ strip_aspect

✅ strip_noaspect

✅ swapcase_aspect

✅ swapcase_noaspect

✅ title_aspect

✅ title_noaspect

✅ translate_aspect

vlad-scherbich commented Dec 5, 2025 •

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