fix(iast): gevent lazy timeouts

[avara1986]

Gevent Worker Timeouts with Gunicorn and IAST

We identified an issue where applications using Gunicorn with the Gevent worker class may experience random worker timeouts, particularly during shutdown sequences. A typical command setup might look like:

gunicorn -w 1 --threads 1 -b 0.0.0.0:7777 -k gevent app:app

After extensive testing, we found the issue occurs sporadically in a specific scenario: when endpoint A in the application sends an internal HTTP request to endpoint B using urllib3, as shown below:

http_poolmanager = urllib3.PoolManager(num_pools=1)
response = http_poolmanager.request("GET", "http://localhost:8050/returnheaders")

And later, when calling a /shutdown endpoint to force the tracer to flush spans before exit:

@app.route("/shutdown", methods=["GET"])
def shutdown_view():
    tracer.shutdown()
    return "OK"

Occasionally, this results in a worker timeout, and the trace spans are never sent:

[2025-07-17 13:24:16 +0200] [218095] [DEBUG] GET /shutdown
Shutting down tracer with 4 unfinished spans. Unfinished spans will not be sent to Datadog:
trace_id=1 parent_id=1 span_id=15892328500422422139 name=flask.request resource=GET /shutdown ...
[2025-07-17 13:24:47 +0200] [218086] [CRITICAL] WORKER TIMEOUT (pid:218095)

Root Cause: Gevent, Greenlets, and Runtime Instrumentation

This problem is related to how IAST (Interactive Application Security Testing) performs runtime code instrumentation.

Like other features such as Profiling, IAST rewrites Python code dynamically and must be initialized as early as possible. This is because Gevent uses greenlets—lightweight coroutines that run in a shared OS thread—for concurrency.

If any blocking operation (such as time.sleep() or a blocking import) occurs before gevent.monkey.patch_all() has a chance to replace those blocking operations with non-blocking equivalents, the entire event loop can hang, causing Gunicorn to kill the worker.

---

✅ Solution: Early Initialization via sitecustomize

To resolve this, IAST initialization has been moved to the sitecustomize preload hook, ensuring that instrumentation runs before any blocking imports can interfere:

import ddtrace.bootstrap.preload as preload  # Perform the actual initialization

cleanup_loaded_modules()

This guarantees that any modules loaded during IAST setup are cleaned up properly, allowing gevent.monkey.patch_all() to take full effect without blocking side-effects.

Additional Fix: Avoid Late Imports from C Extensions

We also updated a line in the native C code that previously triggered a delayed import:

PyImport_ImportModule("importlib.metadata");

This usage caused importlib.metadata.packages_distributions to be lazily loaded in a way that could not be released or patched properly by Gevent, leading to sporadic blocking and timeouts.

To address this, we refactored the C module to expose a function set_packages_distributions_func, which is now explicitly set from Python space. This gives us better control over when and how importlib.metadata is imported, ensuring compatibility with Gevent’s concurrency model.

Additional Fix: Simplifying Taint Sink Initialization in IAST

Finally, these changes also prompted a review of how IAST taint sinks were being loaded. Previously, we relied on a legacy pattern where all taint sink patches were triggered only when hashlib was imported, using the following logic:

when_imported("hashlib")(_on_import_factory(module, "ddtrace.appsec._iast.taint_sinks.%s", raise_errors=False))

This design had a major drawback: if hashlib was never imported, no taint sinks were initialized. With our new preload strategy, this lazy trigger mechanism becomes unreliable and may silently fail to initialize critical instrumentation.

However, this mechanism is no longer necessary. Each taint sink module already defines its own lazy instrumentation logic using ModuleWatchdog, like so:

@ModuleWatchdog.after_module_imported(module_name)
def _(module):
    try:
        wrap_object(module, name, FunctionWrapper, (wrapper,))
    except (ImportError, AttributeError):
        log.debug("Module %s.%s does not exist", module_name, name)

Since this approach watches for individual modules (e.g. os, subprocess, etc.) and applies patches independently as they are imported, there's no longer a need to defer sink initialization via a central import like hashlib.

Therefore, we’ve removed the old when_imported("hashlib")(...) setup and now invoke each taint sink’s patch function directly at startup, ensuring:

• All sinks are registered proactively
• Lazy wrapping still occurs safely as modules are imported
• There’s no longer an indirect dependency on unrelated module imports

This results in a more robust and predictable IAST behavior across all use cases.

Summary

• Gevent requires monkey patching to avoid blocking operations on the main thread.

• IAST’s dynamic code instrumentation was interfering with this when not initialized early enough.

• We fixed the issue by:

  • Moving IAST initialization to sitecustomize preload hooks.
  • Cleaning up loaded modules post-instrumentation.
  • Refactoring native code to avoid late, uncontrolled imports.

This change improves stability and prevents data loss caused by worker timeouts during shutdown.

---

you’ll notice there are several TODOs documenting broken interactions — and, in many cases, the tests hang indefinitely, just like what happens in APPSEC-58276.

Checklist

• PR author has checked that all the criteria below are met
• The PR description includes an overview of the change
• The PR description articulates the motivation for the change
• The change includes tests OR the PR description describes a testing strategy
• The PR description notes risks associated with the change, if any
• Newly-added code is easy to change
• The change follows the library release note guidelines
• The change includes or references documentation updates if necessary
• Backport labels are set (if applicable)

Reviewer Checklist

• Reviewer has checked that all the criteria below are met
• Title is accurate
• All changes are related to the pull request's stated goal
• Avoids breaking API changes
• Testing strategy adequately addresses listed risks
• Newly-added code is easy to change
• Release note makes sense to a user of the library
• If necessary, author has acknowledged and discussed the performance implications of this PR as reported in the benchmarks PR comment
• Backport labels are set in a manner that is consistent with the release branch maintenance policy

[github-actions]

CODEOWNERS have been resolved as:

ddtrace/appsec/_iast/auto.py                                            @DataDog/asm-python
releasenotes/notes/iast-fix-gevent-0cdc996892bb59c2.yaml                @DataDog/apm-python
tests/appsec/iast/taint_tracking/test_native_taint_range_fork.py        @DataDog/asm-python
tests/appsec/iast/taint_tracking/test_native_taint_range_gevent_fork.py  @DataDog/asm-python
.riot/requirements/109d1ad.txt                                          @DataDog/apm-python
.riot/requirements/1421f4d.txt                                          @DataDog/apm-python
.riot/requirements/19a745b.txt                                          @DataDog/apm-python
.riot/requirements/1c51432.txt                                          @DataDog/apm-python
.riot/requirements/1d81907.txt                                          @DataDog/apm-python
.riot/requirements/551fe5d.txt                                          @DataDog/apm-python
ddtrace/_monkey.py                                                      @DataDog/apm-core-python
ddtrace/appsec/_constants.py                                            @DataDog/asm-python
ddtrace/appsec/_iast/__init__.py                                        @DataDog/asm-python
ddtrace/appsec/_iast/_ast/ast_patching.py                               @DataDog/asm-python
ddtrace/appsec/_iast/_ast/iastpatch.c                                   @DataDog/asm-python
ddtrace/appsec/_iast/_ast/iastpatch.pyi                                 @DataDog/asm-python
ddtrace/appsec/_iast/main.py                                            @DataDog/asm-python
ddtrace/appsec/_iast/taint_sinks/command_injection.py                   @DataDog/asm-python
ddtrace/bootstrap/preload.py                                            @DataDog/apm-core-python
ddtrace/internal/iast/product.py                                        @DataDog/asm-python
ddtrace/settings/asm.py                                                 @DataDog/asm-python
riotfile.py                                                             @DataDog/apm-python
tests/appsec/app.py                                                     @DataDog/asm-python
tests/appsec/appsec_utils.py                                            @DataDog/asm-python
tests/appsec/iast/fixtures/entrypoint/views.py                          @DataDog/asm-python
tests/appsec/iast/iast_utils.py                                         @DataDog/asm-python
tests/appsec/integrations/flask_tests/test_flask_remoteconfig.py        @DataDog/asm-python
tests/appsec/integrations/flask_tests/test_iast_flask_entrypoint_iast_patches.py  @DataDog/asm-python
tests/appsec/integrations/flask_tests/test_iast_flask_testagent.py      @DataDog/asm-python
.riot/requirements/10cc08e.txt                                          @DataDog/apm-python
.riot/requirements/116d4eb.txt                                          @DataDog/apm-python
.riot/requirements/1390092.txt                                          @DataDog/apm-python
.riot/requirements/17140b3.txt                                          @DataDog/apm-python
.riot/requirements/172eb93.txt                                          @DataDog/apm-python
.riot/requirements/1a5499d.txt                                          @DataDog/apm-python
.riot/requirements/1b60b14.txt                                          @DataDog/apm-python
.riot/requirements/1c1038e.txt                                          @DataDog/apm-python
.riot/requirements/1d3e1f4.txt                                          @DataDog/apm-python
.riot/requirements/1f31585.txt                                          @DataDog/apm-python
.riot/requirements/31c8ec9.txt                                          @DataDog/apm-python
.riot/requirements/43ff7ef.txt                                          @DataDog/apm-python
.riot/requirements/5b9ebd4.txt                                          @DataDog/apm-python
.riot/requirements/825ba8f.txt                                          @DataDog/apm-python
.riot/requirements/c1266ce.txt                                          @DataDog/apm-python
.riot/requirements/c34a6a8.txt                                          @DataDog/apm-python
.riot/requirements/e9ec450.txt                                          @DataDog/apm-python
tests/appsec/iast/fixtures/entrypoint/app_create_app_patch_auto.py      @DataDog/asm-python

[github-actions]

Bootstrap import analysis

Comparison of import times between this PR and base.

Summary

The average import time from this PR is: 281 ± 4 ms.

The average import time from base is: 288 ± 5 ms.

The import time difference between this PR and base is: -7.3 ± 0.2 ms.

Import time breakdown

The following import paths have shrunk:

ddtrace.auto 3.603 ms (1.28%)

ddtrace.bootstrap.sitecustomize 2.344 ms (0.83%)

ddtrace.bootstrap.preload 2.074 ms (0.74%)

ddtrace.internal.remoteconfig.client 0.776 ms (0.28%)

multiprocessing.sharedctypes 0.172 ms (0.06%)

multiprocessing.heap 0.172 ms (0.06%)

mmap 0.172 ms (0.06%)

ddtrace.internal.products 0.147 ms (0.05%)

importlib.metadata 0.147 ms (0.05%)

zipfile 0.147 ms (0.05%)

zipfile._path 0.147 ms (0.05%)

ddtrace.appsec._common_module_patches 0.151 ms (0.05%)

ddtrace.appsec._asm_request_context 0.151 ms (0.05%)

ddtrace.appsec._utils 0.151 ms (0.05%)

ddtrace._trace.trace_handlers 0.119 ms (0.04%)

ddtrace._trace._inferred_proxy 0.067 ms (0.02%)

ddtrace.propagation.http 0.067 ms (0.02%)

ddtrace 1.259 ms (0.45%)

ddtrace._logger 0.303 ms (0.11%)

ddtrace.internal.telemetry 0.303 ms (0.11%)

ddtrace.settings._agent 0.175 ms (0.06%)

ddtrace.settings 0.127 ms (0.05%)

ddtrace.settings.http 0.127 ms (0.05%)

ddtrace.internal.utils.cache 0.127 ms (0.05%)

inspect 0.127 ms (0.05%)

socket 0.048 ms (0.02%)

_socket 0.048 ms (0.02%)

ddtrace.internal.telemetry.writer 0.128 ms (0.05%)

http.client 0.128 ms (0.05%)

email.parser 0.128 ms (0.05%)

email.feedparser 0.128 ms (0.05%)

email._policybase 0.128 ms (0.05%)

email.header 0.128 ms (0.05%)

email.charset 0.128 ms (0.05%)

ddtrace.settings._config 0.151 ms (0.05%)

ddtrace.internal.gitmetadata 0.151 ms (0.05%)

ddtrace.ext.ci 0.151 ms (0.05%)

ddtrace.ext.git 0.151 ms (0.05%)

tempfile 0.151 ms (0.05%)

ddtrace.internal._unpatched 0.142 ms (0.05%)

subprocess 0.107 ms (0.04%)

contextlib 0.107 ms (0.04%)

json 0.035 ms (0.01%)

json.decoder 0.035 ms (0.01%)

re 0.035 ms (0.01%)

enum 0.035 ms (0.01%)

types 0.035 ms (0.01%)

[pr-commenter]

Performance SLOs

Benchmark execution time: 2025-07-24 20:20:01

Comparing candidate commit 4feadb9 in branch avara1986/APPSEC-58276_iast_standalone with performance thresholds.

Performance Test Results

Legend: ✅ Pass | ⚠️ Unstable | ❌ Fail

⚠️ coreapiscenario - 12/12 (2 unstable)

⚠️ context_with_data_listeners

Metric	Status	Value	SLO	% Under SLO
execution_time	⚠️	13.909µs	< 20.000µs	+30.5%
max_rss_usage	✅	29.078MB	< 31.000MB	+6.2%

✅ context_with_data_no_listeners

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	3.796µs	< 10.000µs	+62.0%
max_rss_usage	✅	29.098MB	< 31.000MB	+6.1%

⚠️ context_with_data_only_all_listeners

Metric	Status	Value	SLO	% Under SLO
execution_time	⚠️	13.804µs	< 20.000µs	+31.0%
max_rss_usage	✅	29.118MB	< 31.000MB	+6.1%

✅ get_item_exists

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	630.862ns	< 10.000µs	+93.7%
max_rss_usage	✅	29.059MB	< 31.000MB	+6.3%

✅ get_item_missing

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	687.353ns	< 10.000µs	+93.1%
max_rss_usage	✅	29.059MB	< 31.000MB	+6.3%

✅ set_item

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	24.693µs	< 30.000µs	+17.7%
max_rss_usage	✅	29.138MB	< 31.000MB	+6.0%

✅ djangosimple - 22/22

✅ appsec

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	21.358ms	< 22.300ms	+4.2%
max_rss_usage	✅	64.094MB	< 65.500MB	+2.1%

✅ exception-replay-enabled

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.351ms	< 1.450ms	+6.8%
max_rss_usage	✅	63.465MB	< 65.500MB	+3.1%

✅ iast

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	21.310ms	< 22.250ms	+4.2%
max_rss_usage	✅	64.075MB	< 65.500MB	+2.2%

✅ profiler

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	15.873ms	< 16.550ms	+4.1%
max_rss_usage	✅	50.871MB	< 53.000MB	+4.0%

✅ span-code-origin

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	27.011ms	< 28.200ms	+4.2%
max_rss_usage	✅	66.279MB	< 68.000MB	+2.5%

✅ tracer

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	21.432ms	< 22.700ms	+5.6%
max_rss_usage	✅	64.133MB	< 65.500MB	+2.1%

✅ tracer-and-profiler

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	23.928ms	< 24.900ms	+3.9%
max_rss_usage	✅	65.058MB	< 67.000MB	+2.9%

✅ tracer-no-caches

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	18.890ms	< 19.650ms	+3.9%
max_rss_usage	✅	63.721MB	< 65.500MB	+2.7%

✅ tracer-no-databases

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	19.206ms	< 20.100ms	+4.5%
max_rss_usage	✅	63.701MB	< 65.500MB	+2.7%

✅ tracer-no-middleware

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	21.132ms	< 22.500ms	+6.1%
max_rss_usage	✅	64.114MB	< 65.500MB	+2.1%

✅ tracer-no-templates

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	21.132ms	< 22.250ms	+5.0%
max_rss_usage	✅	64.094MB	< 65.500MB	+2.1%

✅ errortrackingdjangosimple - 6/6

✅ errortracking-enabled-all

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	18.599ms	< 19.850ms	+6.3%
max_rss_usage	✅	63.721MB	< 65.500MB	+2.7%

✅ errortracking-enabled-user

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	18.666ms	< 19.400ms	+3.8%
max_rss_usage	✅	63.721MB	< 65.500MB	+2.7%

✅ tracer-enabled

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	18.559ms	< 19.450ms	+4.6%
max_rss_usage	✅	63.740MB	< 65.500MB	+2.7%

✅ errortrackingflasksqli - 6/6

✅ errortracking-enabled-all

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.119ms	< 2.300ms	+7.9%
max_rss_usage	✅	51.630MB	< 53.000MB	+2.6%

✅ errortracking-enabled-user

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.117ms	< 2.250ms	+5.9%
max_rss_usage	✅	51.668MB	< 53.000MB	+2.5%

✅ tracer-enabled

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.117ms	< 2.300ms	+7.9%
max_rss_usage	✅	51.138MB	< 53.000MB	+3.5%

✅ flasksimple - 14/14

✅ appsec-get

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	4.613ms	< 4.750ms	+2.9%
max_rss_usage	✅	63.390MB	< 64.000MB	+1.0%

✅ appsec-post

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	6.616ms	< 6.750ms	+2.0%
max_rss_usage	✅	63.370MB	< 64.000MB	+1.0%

✅ appsec-telemetry

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	4.600ms	< 4.750ms	+3.2%
max_rss_usage	✅	63.334MB	< 64.000MB	+1.0%

✅ debugger

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.859ms	< 2.000ms	+7.1%
max_rss_usage	✅	42.039MB	< 44.000MB	+4.5%

✅ iast-get

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.856ms	< 2.000ms	+7.2%
max_rss_usage	✅	44.502MB	< 45.000MB	+1.1%

✅ profiler

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.984ms	< 2.100ms	+5.5%
max_rss_usage	✅	43.552MB	< 44.000MB	+1.0%

✅ tracer

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	3.386ms	< 3.650ms	+7.2%
max_rss_usage	✅	51.753MB	< 53.000MB	+2.4%

✅ flasksqli - 6/6

✅ appsec-enabled

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	3.968ms	< 4.200ms	+5.5%
max_rss_usage	✅	63.484MB	< 66.000MB	+3.8%

✅ iast-enabled

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.562ms	< 2.800ms	+8.5%
max_rss_usage	✅	56.565MB	< 58.000MB	+2.5%

✅ tracer-enabled

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.107ms	< 2.250ms	+6.4%
max_rss_usage	✅	51.197MB	< 53.000MB	+3.4%

✅ httppropagationextract - 60/60

✅ all_styles_all_headers

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	82.828µs	< 100.000µs	+17.2%
max_rss_usage	✅	29.039MB	< 31.000MB	+6.3%

✅ b3_headers

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	14.175µs	< 20.000µs	+29.1%
max_rss_usage	✅	29.197MB	< 31.000MB	+5.8%

✅ b3_single_headers

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	13.457µs	< 20.000µs	+32.7%
max_rss_usage	✅	29.118MB	< 31.000MB	+6.1%

✅ datadog_tracecontext_tracestate_not_propagated_on_trace_id_no_match

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	65.127µs	< 80.000µs	+18.6%
max_rss_usage	✅	29.098MB	< 31.000MB	+6.1%

✅ datadog_tracecontext_tracestate_propagated_on_trace_id_match

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	67.355µs	< 80.000µs	+15.8%
max_rss_usage	✅	29.137MB	< 31.000MB	+6.0%

✅ empty_headers

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.603µs	< 10.000µs	+84.0%
max_rss_usage	✅	29.157MB	< 31.000MB	+5.9%

✅ full_t_id_datadog_headers

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	23.909µs	< 30.000µs	+20.3%
max_rss_usage	✅	29.098MB	< 31.000MB	+6.1%

✅ invalid_priority_header

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	6.610µs	< 10.000µs	+33.9%
max_rss_usage	✅	29.138MB	< 31.000MB	+6.0%

✅ invalid_span_id_header

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	6.507µs	< 10.000µs	+34.9%
max_rss_usage	✅	29.137MB	< 31.000MB	+6.0%

✅ invalid_tags_header

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	6.559µs	< 10.000µs	+34.4%
max_rss_usage	✅	29.137MB	< 31.000MB	+6.0%

✅ invalid_trace_id_header

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	6.480µs	< 10.000µs	+35.2%
max_rss_usage	✅	29.117MB	< 31.000MB	+6.1%

✅ large_header_no_matches

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	27.553µs	< 30.000µs	+8.2%
max_rss_usage	✅	29.118MB	< 31.000MB	+6.1%

✅ large_valid_headers_all

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	28.703µs	< 40.000µs	+28.2%
max_rss_usage	✅	29.078MB	< 31.000MB	+6.2%

✅ medium_header_no_matches

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	9.876µs	< 20.000µs	+50.6%
max_rss_usage	✅	29.118MB	< 31.000MB	+6.1%

✅ medium_valid_headers_all

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	11.260µs	< 20.000µs	+43.7%
max_rss_usage	✅	29.118MB	< 31.000MB	+6.1%

✅ none_propagation_style

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.693µs	< 10.000µs	+83.1%
max_rss_usage	✅	29.098MB	< 31.000MB	+6.1%

✅ tracecontext_headers

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	34.793µs	< 40.000µs	+13.0%
max_rss_usage	✅	29.117MB	< 31.000MB	+6.1%

✅ valid_headers_all

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	6.597µs	< 10.000µs	+34.0%
max_rss_usage	✅	29.138MB	< 31.000MB	+6.0%

✅ valid_headers_basic

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	6.152µs	< 10.000µs	+38.5%
max_rss_usage	✅	29.157MB	< 31.000MB	+5.9%

✅ wsgi_empty_headers

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.598µs	< 10.000µs	+84.0%
max_rss_usage	✅	29.137MB	< 31.000MB	+6.0%

✅ wsgi_invalid_priority_header

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	6.623µs	< 10.000µs	+33.8%
max_rss_usage	✅	29.137MB	< 31.000MB	+6.0%

✅ wsgi_invalid_span_id_header

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.590µs	< 10.000µs	+84.1%
max_rss_usage	✅	29.137MB	< 31.000MB	+6.0%

✅ wsgi_invalid_tags_header

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	6.595µs	< 10.000µs	+34.1%
max_rss_usage	✅	29.157MB	< 31.000MB	+5.9%

✅ wsgi_invalid_trace_id_header

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	6.591µs	< 10.000µs	+34.1%
max_rss_usage	✅	29.059MB	< 31.000MB	+6.3%

✅ wsgi_large_header_no_matches

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	28.762µs	< 40.000µs	+28.1%
max_rss_usage	✅	29.177MB	< 31.000MB	+5.9%

✅ wsgi_large_valid_headers_all

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	29.967µs	< 40.000µs	+25.1%
max_rss_usage	✅	29.157MB	< 31.000MB	+5.9%

✅ wsgi_medium_header_no_matches

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	10.133µs	< 20.000µs	+49.3%
max_rss_usage	✅	29.138MB	< 31.000MB	+6.0%

✅ wsgi_medium_valid_headers_all

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	11.527µs	< 20.000µs	+42.4%
max_rss_usage	✅	29.098MB	< 31.000MB	+6.1%

✅ wsgi_valid_headers_all

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	6.516µs	< 10.000µs	+34.8%
max_rss_usage	✅	29.138MB	< 31.000MB	+6.0%

✅ wsgi_valid_headers_basic

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	6.090µs	< 10.000µs	+39.1%
max_rss_usage	✅	29.137MB	< 31.000MB	+6.0%

✅ httppropagationinject - 16/16

✅ ids_only

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	20.215µs	< 30.000µs	+32.6%
max_rss_usage	✅	29.177MB	< 31.000MB	+5.9%

✅ with_all

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	34.891µs	< 40.000µs	+12.8%
max_rss_usage	✅	29.118MB	< 31.000MB	+6.1%

✅ with_dd_origin

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	26.629µs	< 30.000µs	+11.2%
max_rss_usage	✅	29.137MB	< 31.000MB	+6.0%

✅ with_priority_and_origin

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	29.862µs	< 40.000µs	+25.3%
max_rss_usage	✅	29.118MB	< 31.000MB	+6.1%

✅ with_sampling_priority

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	22.627µs	< 30.000µs	+24.6%
max_rss_usage	✅	29.157MB	< 31.000MB	+5.9%

✅ with_tags

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	28.292µs	< 40.000µs	+29.3%
max_rss_usage	✅	29.137MB	< 31.000MB	+6.0%

✅ with_tags_invalid

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	31.268µs	< 40.000µs	+21.8%
max_rss_usage	✅	29.078MB	< 31.000MB	+6.2%

✅ with_tags_max_size

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	29.611µs	< 40.000µs	+26.0%
max_rss_usage	✅	29.117MB	< 31.000MB	+6.1%

✅ iast_aspects - 40/40

✅ re_expand_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	33.079µs	< 40.000µs	+17.3%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ re_expand_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	28.291µs	< 40.000µs	+29.3%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ re_findall_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	3.687µs	< 10.000µs	+63.1%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ re_findall_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.424µs	< 10.000µs	+85.8%
max_rss_usage	✅	34.662MB	< 35.000MB	+1.0%

✅ re_finditer_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	5.176µs	< 10.000µs	+48.2%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ re_finditer_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.417µs	< 10.000µs	+85.8%
max_rss_usage	✅	34.662MB	< 35.000MB	+1.0%

✅ re_fullmatch_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	3.396µs	< 10.000µs	+66.0%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ re_fullmatch_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.278µs	< 10.000µs	+87.2%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ re_group_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	3.442µs	< 10.000µs	+65.6%
max_rss_usage	✅	34.603MB	< 35.000MB	+1.1%

✅ re_group_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.603µs	< 10.000µs	+84.0%
max_rss_usage	✅	34.662MB	< 35.000MB	+1.0%

✅ re_groups_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	3.595µs	< 10.000µs	+64.1%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ re_groups_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.688µs	< 10.000µs	+83.1%
max_rss_usage	✅	34.603MB	< 35.000MB	+1.1%

✅ re_match_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	3.425µs	< 10.000µs	+65.8%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ re_match_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.303µs	< 10.000µs	+87.0%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ re_search_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	3.306µs	< 10.000µs	+66.9%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ re_search_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.190µs	< 10.000µs	+88.1%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ re_sub_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	4.667µs	< 10.000µs	+53.3%
max_rss_usage	✅	34.603MB	< 35.000MB	+1.1%

✅ re_sub_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.534µs	< 10.000µs	+84.7%
max_rss_usage	✅	34.603MB	< 35.000MB	+1.1%

✅ re_subn_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	4.887µs	< 10.000µs	+51.1%
max_rss_usage	✅	34.642MB	< 35.500MB	+2.4%

✅ re_subn_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.631µs	< 10.000µs	+83.7%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ iastaspects - 118/118

✅ add_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	327.551ns	< 10.000µs	+96.7%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ add_inplace_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	336.284ns	< 10.000µs	+96.6%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ add_inplace_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	317.591ns	< 10.000µs	+96.8%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ add_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	275.606ns	< 10.000µs	+97.2%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ bytearray_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.857µs	< 10.000µs	+81.4%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ bytearray_extend_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.383µs	< 10.000µs	+86.2%
max_rss_usage	✅	34.603MB	< 35.000MB	+1.1%

✅ bytearray_extend_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	610.979ns	< 10.000µs	+93.9%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ bytearray_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	476.687ns	< 10.000µs	+95.2%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ bytes_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.856µs	< 10.000µs	+81.4%
max_rss_usage	✅	34.662MB	< 35.000MB	+1.0%

✅ bytes_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	492.112ns	< 10.000µs	+95.1%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ bytesio_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.879µs	< 10.000µs	+81.2%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ bytesio_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	495.019ns	< 10.000µs	+95.0%
max_rss_usage	✅	34.701MB	< 35.000MB	+0.9%

✅ capitalize_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	737.603ns	< 10.000µs	+92.6%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ capitalize_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	432.385ns	< 10.000µs	+95.7%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ casefold_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	734.311ns	< 10.000µs	+92.7%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ casefold_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	367.166ns	< 10.000µs	+96.3%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ decode_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	722.729ns	< 10.000µs	+92.8%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ decode_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	414.316ns	< 10.000µs	+95.9%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ encode_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	706.312ns	< 10.000µs	+92.9%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ encode_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	406.938ns	< 10.000µs	+95.9%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ format_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	3.533µs	< 10.000µs	+64.7%
max_rss_usage	✅	34.603MB	< 35.000MB	+1.1%

✅ format_map_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	3.235µs	< 10.000µs	+67.7%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ format_map_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	776.622ns	< 10.000µs	+92.2%
max_rss_usage	✅	34.662MB	< 35.000MB	+1.0%

✅ format_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	596.772ns	< 10.000µs	+94.0%
max_rss_usage	✅	34.603MB	< 35.000MB	+1.1%

✅ index_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	344.043ns	< 10.000µs	+96.6%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ index_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	276.576ns	< 10.000µs	+97.2%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ join_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.226µs	< 10.000µs	+87.7%
max_rss_usage	✅	34.603MB	< 35.000MB	+1.1%

✅ join_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	489.275ns	< 10.000µs	+95.1%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ ljust_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	10.277µs	< 20.000µs	+48.6%
max_rss_usage	✅	34.740MB	< 35.500MB	+2.1%

✅ ljust_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	406.096ns	< 10.000µs	+95.9%
max_rss_usage	✅	34.642MB	< 35.500MB	+2.4%

✅ lower_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.245µs	< 10.000µs	+77.5%
max_rss_usage	✅	34.642MB	< 35.500MB	+2.4%

✅ lower_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	366.467ns	< 10.000µs	+96.3%
max_rss_usage	✅	34.603MB	< 35.000MB	+1.1%

✅ lstrip_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	10.992µs	< 20.000µs	+45.0%
max_rss_usage	✅	34.721MB	< 35.500MB	+2.2%

✅ lstrip_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	380.619ns	< 10.000µs	+96.2%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ modulo_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	589.572ns	< 10.000µs	+94.1%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ modulo_aspect_for_bytearray_bytearray

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.272µs	< 10.000µs	+87.3%
max_rss_usage	✅	34.662MB	< 35.000MB	+1.0%

✅ modulo_aspect_for_bytes

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	749.853ns	< 10.000µs	+92.5%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ modulo_aspect_for_bytes_bytearray

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	988.524ns	< 10.000µs	+90.1%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ modulo_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	630.942ns	< 10.000µs	+93.7%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ replace_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	4.672µs	< 10.000µs	+53.3%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ replace_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	459.800ns	< 10.000µs	+95.4%
max_rss_usage	✅	34.623MB	< 35.500MB	+2.5%

✅ repr_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	912.767ns	< 10.000µs	+90.9%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ repr_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	419.842ns	< 10.000µs	+95.8%
max_rss_usage	✅	34.662MB	< 35.000MB	+1.0%

✅ rstrip_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	10.212µs	< 20.000µs	+48.9%
max_rss_usage	✅	34.800MB	< 35.500MB	+2.0%

✅ rstrip_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	375.872ns	< 10.000µs	+96.2%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ slice_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	482.334ns	< 10.000µs	+95.2%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ slice_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	443.096ns	< 10.000µs	+95.6%
max_rss_usage	✅	34.603MB	< 35.000MB	+1.1%

✅ stringio_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.220µs	< 10.000µs	+77.8%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ stringio_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	713.811ns	< 10.000µs	+92.9%
max_rss_usage	✅	34.662MB	< 35.000MB	+1.0%

✅ strip_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	10.289µs	< 20.000µs	+48.6%
max_rss_usage	✅	34.780MB	< 35.500MB	+2.0%

✅ strip_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	382.894ns	< 10.000µs	+96.2%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ swapcase_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.459µs	< 10.000µs	+75.4%
max_rss_usage	✅	34.603MB	< 35.000MB	+1.1%

✅ swapcase_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	532.205ns	< 10.000µs	+94.7%
max_rss_usage	✅	34.603MB	< 35.000MB	+1.1%

✅ title_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.413µs	< 10.000µs	+75.9%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ title_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	499.519ns	< 10.000µs	+95.0%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ translate_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	3.289µs	< 10.000µs	+67.1%
max_rss_usage	✅	34.662MB	< 35.000MB	+1.0%

✅ translate_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.042µs	< 10.000µs	+89.6%
max_rss_usage	✅	34.603MB	< 35.000MB	+1.1%

✅ upper_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.341µs	< 10.000µs	+76.6%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ upper_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	362.853ns	< 10.000µs	+96.4%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ iastaspectsospath - 24/24

✅ ospathbasename_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	4.207µs	< 10.000µs	+57.9%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ ospathbasename_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.079µs	< 10.000µs	+89.2%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ ospathjoin_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	6.046µs	< 10.000µs	+39.5%
max_rss_usage	✅	34.681MB	< 35.000MB	+0.9%

✅ ospathjoin_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.307µs	< 10.000µs	+76.9%
max_rss_usage	✅	34.603MB	< 35.000MB	+1.1%

✅ ospathnormcase_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	3.494µs	< 10.000µs	+65.1%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ ospathnormcase_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	566.124ns	< 10.000µs	+94.3%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ ospathsplit_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	4.731µs	< 10.000µs	+52.7%
max_rss_usage	✅	34.662MB	< 35.000MB	+1.0%

✅ ospathsplit_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.591µs	< 10.000µs	+84.1%
max_rss_usage	✅	34.603MB	< 35.000MB	+1.1%

✅ ospathsplitdrive_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	3.656µs	< 10.000µs	+63.4%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ ospathsplitdrive_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	694.548ns	< 10.000µs	+93.1%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ ospathsplitext_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	5.367µs	< 10.000µs	+46.3%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ ospathsplitext_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.378µs	< 10.000µs	+86.2%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ iastaspectssplit - 12/12

✅ rsplit_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.502µs	< 10.000µs	+85.0%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ rsplit_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	584.734ns	< 10.000µs	+94.2%
max_rss_usage	✅	34.603MB	< 35.000MB	+1.1%

✅ split_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.460µs	< 10.000µs	+85.4%
max_rss_usage	✅	34.623MB	< 35.000MB	+1.1%

✅ split_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	569.749ns	< 10.000µs	+94.3%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ splitlines_aspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.417µs	< 10.000µs	+85.8%
max_rss_usage	✅	34.603MB	< 35.000MB	+1.1%

✅ splitlines_noaspect

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	586.419ns	< 10.000µs	+94.1%
max_rss_usage	✅	34.603MB	< 35.000MB	+1.1%

✅ iastpropagation - 8/8

✅ no-propagation

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	48.799µs	< 60.000µs	+18.7%
max_rss_usage	✅	34.681MB	< 35.500MB	+2.3%

✅ propagation_enabled

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	144.918µs	< 160.000µs	+9.4%
max_rss_usage	✅	34.642MB	< 35.500MB	+2.4%

✅ propagation_enabled_100

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.564ms	< 1.800ms	+13.1%
max_rss_usage	✅	34.642MB	< 35.000MB	+1.0%

✅ propagation_enabled_1000

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	28.965ms	< 30.550ms	+5.2%
max_rss_usage	✅	34.642MB	< 35.500MB	+2.4%

✅ otelsdkspan - 24/24

✅ add-event

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	40.794ms	< 42.000ms	+2.9%
max_rss_usage	✅	31.850MB	< 35.000MB	+9.0%

✅ add-link

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	36.282ms	< 38.550ms	+5.9%
max_rss_usage	✅	31.870MB	< 35.000MB	+8.9%

✅ add-metrics

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	218.700ms	< 232.000ms	+5.7%
max_rss_usage	✅	31.850MB	< 35.000MB	+9.0%

✅ add-tags

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	213.779ms	< 221.600ms	+3.5%
max_rss_usage	✅	31.870MB	< 35.000MB	+8.9%

✅ get-context

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	29.117ms	< 31.300ms	+7.0%
max_rss_usage	✅	31.870MB	< 35.000MB	+8.9%

✅ is-recording

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	29.160ms	< 31.000ms	+5.9%
max_rss_usage	✅	31.870MB	< 35.000MB	+8.9%

✅ record-exception

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	63.106ms	< 65.850ms	+4.2%
max_rss_usage	✅	31.870MB	< 35.000MB	+8.9%

✅ set-status

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	31.902ms	< 34.150ms	+6.6%
max_rss_usage	✅	31.831MB	< 35.000MB	+9.1%

✅ start

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	28.742ms	< 30.150ms	+4.7%
max_rss_usage	✅	31.850MB	< 35.000MB	+9.0%

✅ start-finish

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	33.741ms	< 35.350ms	+4.6%
max_rss_usage	✅	31.850MB	< 35.000MB	+9.0%

✅ start-finish-telemetry

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	34.221ms	< 35.450ms	+3.5%
max_rss_usage	✅	31.890MB	< 35.000MB	+8.9%

✅ update-name

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	31.131ms	< 33.400ms	+6.8%
max_rss_usage	✅	31.870MB	< 35.000MB	+8.9%

✅ otelspan - 22/22

✅ add-event

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	44.378ms	< 47.150ms	+5.9%
max_rss_usage	✅	42.127MB	< 42.500MB	+0.9%

✅ add-metrics

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	318.158ms	< 344.800ms	+7.7%
max_rss_usage	✅	559.247MB	< 562.000MB	+0.5%

✅ add-tags

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	286.558ms	< 314.000ms	+8.7%
max_rss_usage	✅	560.972MB	< 563.500MB	+0.4%

✅ get-context

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	84.757ms	< 92.350ms	+8.2%
max_rss_usage	✅	37.245MB	< 38.000MB	+2.0%

✅ is-recording

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	41.597ms	< 44.500ms	+6.5%
max_rss_usage	✅	41.503MB	< 42.000MB	+1.2%

✅ record-exception

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	60.323ms	< 67.650ms	+10.8%
max_rss_usage	✅	37.534MB	< 38.000MB	+1.2%

✅ set-status

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	47.999ms	< 50.400ms	+4.8%
max_rss_usage	✅	41.517MB	< 42.000MB	+1.2%

✅ start

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	41.758ms	< 43.450ms	+3.9%
max_rss_usage	✅	41.465MB	< 42.000MB	+1.3%

✅ start-finish

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	81.165ms	< 86.000ms	+5.6%
max_rss_usage	✅	31.595MB	< 32.000MB	+1.3%

✅ start-finish-telemetry

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	82.674ms	< 86.000ms	+3.9%
max_rss_usage	✅	31.556MB	< 32.000MB	+1.4%

✅ update-name

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	43.315ms	< 45.150ms	+4.1%
max_rss_usage	✅	41.850MB	< 42.500MB	+1.5%

✅ packagespackageforrootmodulemapping - 4/4

✅ cache_off

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	342.702ms	< 354.300ms	+3.3%
max_rss_usage	✅	34.834MB	< 38.000MB	+8.3%

✅ cache_on

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	384.422ns	< 10.000µs	+96.2%
max_rss_usage	✅	33.035MB	< 38.000MB	+13.1%

✅ packagesupdateimporteddependencies - 24/24

✅ import_many

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	154.683µs	< 170.000µs	+9.0%
max_rss_usage	✅	34.291MB	< 35.500MB	+3.4%

✅ import_many_cached

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	120.864µs	< 130.000µs	+7.0%
max_rss_usage	✅	34.088MB	< 35.500MB	+4.0%

✅ import_many_stdlib

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.610ms	< 1.750ms	+8.0%
max_rss_usage	✅	34.423MB	< 35.500MB	+3.0%

✅ import_many_stdlib_cached

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	964.794µs	< 1.100ms	+12.3%
max_rss_usage	✅	34.166MB	< 35.500MB	+3.8%

✅ import_many_unknown

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	827.398µs	< 890.000µs	+7.0%
max_rss_usage	✅	34.204MB	< 35.500MB	+3.7%

✅ import_many_unknown_cached

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	789.408µs	< 870.000µs	+9.3%
max_rss_usage	✅	34.364MB	< 35.500MB	+3.2%

✅ import_one

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	19.870µs	< 30.000µs	+33.8%
max_rss_usage	✅	34.352MB	< 35.500MB	+3.2%

✅ import_one_cache

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	6.272µs	< 10.000µs	+37.3%
max_rss_usage	✅	34.130MB	< 35.500MB	+3.9%

✅ import_one_stdlib

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	18.761µs	< 20.000µs	+6.2%
max_rss_usage	✅	34.103MB	< 35.500MB	+3.9%

✅ import_one_stdlib_cache

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	6.309µs	< 10.000µs	+36.9%
max_rss_usage	✅	34.173MB	< 35.500MB	+3.7%

✅ import_one_unknown

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	45.002µs	< 50.000µs	+10.0%
max_rss_usage	✅	34.306MB	< 35.500MB	+3.4%

✅ import_one_unknown_cache

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	6.335µs	< 10.000µs	+36.6%
max_rss_usage	✅	34.123MB	< 35.500MB	+3.9%

✅ ratelimiter - 12/12

✅ defaults

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.330µs	< 10.000µs	+76.7%
max_rss_usage	✅	28.705MB	< 31.000MB	+7.4%

✅ high_rate_limit

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.410µs	< 10.000µs	+75.9%
max_rss_usage	✅	28.685MB	< 31.000MB	+7.5%

✅ long_window

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.367µs	< 10.000µs	+76.3%
max_rss_usage	✅	28.724MB	< 31.000MB	+7.3%

✅ low_rate_limit

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.365µs	< 10.000µs	+76.4%
max_rss_usage	✅	28.705MB	< 31.000MB	+7.4%

✅ no_rate_limit

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	820.284ns	< 10.000µs	+91.8%
max_rss_usage	✅	28.607MB	< 31.000MB	+7.7%

✅ short_window

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.497µs	< 10.000µs	+75.0%
max_rss_usage	✅	28.685MB	< 31.000MB	+7.5%

✅ recursivecomputation - 8/8

✅ deep

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	309.119ms	< 320.950ms	+3.7%
max_rss_usage	✅	30.258MB	< 31.000MB	+2.4%

✅ deep-profiled

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	343.749ms	< 359.150ms	+4.3%
max_rss_usage	✅	34.583MB	< 35.500MB	+2.6%

✅ medium

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	7.021ms	< 7.400ms	+5.1%
max_rss_usage	✅	29.098MB	< 31.000MB	+6.1%

✅ shallow

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	944.629µs	< 1.050ms	+10.0%
max_rss_usage	✅	29.098MB	< 31.000MB	+6.1%

✅ samplingrules - 8/8

✅ average_match

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	332.567µs	< 350.000µs	+5.0%
max_rss_usage	✅	29.098MB	< 31.000MB	+6.1%

✅ high_match

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	501.014µs	< 550.000µs	+8.9%
max_rss_usage	✅	29.098MB	< 31.000MB	+6.1%

✅ low_match

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	170.130µs	< 190.000µs	+10.5%
max_rss_usage	✅	431.396MB	< 432.500MB	+0.3%

✅ very_low_match

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	8.630ms	< 9.150ms	+5.7%
max_rss_usage	✅	54.918MB	< 55.000MB	+0.1%

✅ sethttpmeta - 32/32

✅ all-disabled

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	12.055µs	< 20.000µs	+39.7%
max_rss_usage	✅	29.531MB	< 31.000MB	+4.7%

✅ all-enabled

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	42.226µs	< 50.000µs	+15.5%
max_rss_usage	✅	29.570MB	< 31.000MB	+4.6%

✅ collectipvariant_exists

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	42.641µs	< 50.000µs	+14.7%
max_rss_usage	✅	29.570MB	< 31.000MB	+4.6%

✅ no-collectipvariant

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	42.015µs	< 50.000µs	+16.0%
max_rss_usage	✅	29.531MB	< 31.000MB	+4.7%

✅ no-useragentvariant

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	41.478µs	< 50.000µs	+17.0%
max_rss_usage	✅	29.491MB	< 31.000MB	+4.9%

✅ obfuscation-no-query

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	42.612µs	< 50.000µs	+14.8%
max_rss_usage	✅	29.531MB	< 31.000MB	+4.7%

✅ obfuscation-regular-case-explicit-query

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	78.901µs	< 90.000µs	+12.3%
max_rss_usage	✅	29.963MB	< 31.000MB	+3.3%

✅ obfuscation-regular-case-implicit-query

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	79.403µs	< 90.000µs	+11.8%
max_rss_usage	✅	29.924MB	< 31.000MB	+3.5%

✅ obfuscation-send-querystring-disabled

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	157.236µs	< 170.000µs	+7.5%
max_rss_usage	✅	29.924MB	< 31.000MB	+3.5%

✅ obfuscation-worst-case-explicit-query

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	151.861µs	< 160.000µs	+5.1%
max_rss_usage	✅	29.963MB	< 31.000MB	+3.3%

✅ obfuscation-worst-case-implicit-query

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	157.977µs	< 170.000µs	+7.1%
max_rss_usage	✅	30.003MB	< 31.000MB	+3.2%

✅ useragentvariant_exists_1

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	41.646µs	< 50.000µs	+16.7%
max_rss_usage	✅	29.570MB	< 31.000MB	+4.6%

✅ useragentvariant_exists_2

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	42.456µs	< 50.000µs	+15.1%
max_rss_usage	✅	29.511MB	< 31.000MB	+4.8%

✅ useragentvariant_exists_3

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	41.958µs	< 50.000µs	+16.1%
max_rss_usage	✅	29.550MB	< 31.000MB	+4.7%

✅ useragentvariant_not_exists_1

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	41.311µs	< 50.000µs	+17.4%
max_rss_usage	✅	29.550MB	< 31.000MB	+4.7%

✅ useragentvariant_not_exists_2

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	42.394µs	< 50.000µs	+15.2%
max_rss_usage	✅	29.550MB	< 31.000MB	+4.7%

✅ span - 26/26

✅ add-event

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	22.891ms	< 26.200ms	+12.6%
max_rss_usage	✅	48.492MB	< 49.000MB	+1.0%

✅ add-metrics

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	90.667ms	< 98.350ms	+7.8%
max_rss_usage	✅	614.867MB	< 961.000MB	+36.0%

✅ add-tags

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	149.160ms	< 168.550ms	+11.5%
max_rss_usage	✅	614.442MB	< 962.500MB	+36.2%

✅ get-context

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	21.452ms	< 23.700ms	+9.5%
max_rss_usage	✅	47.297MB	< 47.500MB	+0.4%

✅ is-recording

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	21.589ms	< 23.900ms	+9.7%
max_rss_usage	✅	47.302MB	< 47.500MB	+0.4%

✅ record-exception

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	40.900ms	< 44.500ms	+8.1%
max_rss_usage	✅	40.326MB	< 40.500MB	+0.4%

✅ set-status

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	23.221ms	< 26.000ms	+10.7%
max_rss_usage	✅	47.293MB	< 47.500MB	+0.4%

✅ start

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	21.291ms	< 23.500ms	+9.4%
max_rss_usage	✅	47.284MB	< 47.500MB	+0.5%

✅ start-finish

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	50.122ms	< 52.500ms	+4.5%
max_rss_usage	✅	29.098MB	< 31.000MB	+6.1%

✅ start-finish-telemetry

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	51.159ms	< 55.300ms	+7.5%
max_rss_usage	✅	29.098MB	< 31.000MB	+6.1%

✅ start-finish-traceid128

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	53.221ms	< 56.050ms	+5.0%
max_rss_usage	✅	29.098MB	< 31.000MB	+6.1%

✅ start-traceid128

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	21.415ms	< 24.600ms	+12.9%
max_rss_usage	✅	47.305MB	< 47.500MB	+0.4%

✅ update-name

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	22.053ms	< 24.100ms	+8.5%
max_rss_usage	✅	47.822MB	< 48.000MB	+0.4%

✅ telemetryaddmetric - 30/30

✅ 1-count-metric-1-times

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	3.164µs	< 10.000µs	+68.4%
max_rss_usage	✅	29.137MB	< 31.000MB	+6.0%

✅ 1-count-metrics-100-times

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	212.613µs	< 240.000µs	+11.4%
max_rss_usage	✅	29.118MB	< 31.000MB	+6.1%

✅ 1-distribution-metric-1-times

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	3.273µs	< 10.000µs	+67.3%
max_rss_usage	✅	29.059MB	< 31.000MB	+6.3%

✅ 1-distribution-metrics-100-times

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	193.841µs	< 210.000µs	+7.7%
max_rss_usage	✅	29.118MB	< 31.000MB	+6.1%

✅ 1-gauge-metric-1-times

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.216µs	< 10.000µs	+77.8%
max_rss_usage	✅	29.078MB	< 31.000MB	+6.2%

✅ 1-gauge-metrics-100-times

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	123.405µs	< 140.000µs	+11.9%
max_rss_usage	✅	29.059MB	< 31.000MB	+6.3%

✅ 1-rate-metric-1-times

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	3.237µs	< 10.000µs	+67.6%
max_rss_usage	✅	29.039MB	< 31.000MB	+6.3%

✅ 1-rate-metrics-100-times

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	213.082µs	< 230.000µs	+7.4%
max_rss_usage	✅	29.118MB	< 31.000MB	+6.1%

✅ 100-count-metrics-100-times

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	21.004ms	< 22.500ms	+6.6%
max_rss_usage	✅	29.039MB	< 31.000MB	+6.3%

✅ 100-distribution-metrics-100-times

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.984ms	< 2.100ms	+5.5%
max_rss_usage	✅	29.039MB	< 31.000MB	+6.3%

✅ 100-gauge-metrics-100-times

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	1.274ms	< 1.400ms	+9.0%
max_rss_usage	✅	29.157MB	< 31.000MB	+5.9%

✅ 100-rate-metrics-100-times

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.160ms	< 2.400ms	+10.0%
max_rss_usage	✅	29.117MB	< 31.000MB	+6.1%

✅ flush-1-metric

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	4.399µs	< 10.000µs	+56.0%
max_rss_usage	✅	29.098MB	< 31.000MB	+6.1%

✅ flush-100-metrics

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	181.674µs	< 200.000µs	+9.2%
max_rss_usage	✅	29.078MB	< 31.000MB	+6.2%

✅ flush-1000-metrics

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.187ms	< 2.350ms	+6.9%
max_rss_usage	✅	30.277MB	< 31.000MB	+2.3%

✅ tracer - 6/6

✅ large

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	29.645ms	< 32.950ms	+10.0%
max_rss_usage	✅	30.278MB	< 31.000MB	+2.3%

✅ medium

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	2.912ms	< 3.200ms	+9.0%
max_rss_usage	✅	29.098MB	< 31.000MB	+6.1%

✅ small

Metric	Status	Value	SLO	% Under SLO
execution_time	✅	332.853µs	< 370.000µs	+10.0%
max_rss_usage	✅	29.098MB	< 31.000MB	+6.1%