feat(llmobs): [MLOB-4258] add support for OpenAI server-side MCP calls #15057

ncybul · 2025-10-27T20:14:48Z

Description

This PR adds support for server-side MCP calls made via the OpenAI Responses API.

In the Responses API, LLMs can invoke MCP tools on behalf of the client. They do this by asking the provided MCP server to list available tools and then calling the relevant tool.

Our current support for these kinds of interactions is not great: we do not capture any tool calls, tool results, or tool spans.

This PR provides better support by:

Capturing the McpCall output item and parsing it into a Tool Call and Tool Result for the current active LLM span
Generating a Tool span to represent the server-side tool invocation (note that this tool span is a child of the active LLM span since it technically happens within the LLM operation)
Adding any tools returned from the MCP server to the LLM's available tools field.

Manual Testing

I manually tested my changes with the following script:

import asyncio
from ddtrace.llmobs import LLMObs
from agents import set_default_openai_client
from agents.tracing import set_tracing_disabled
from dd_internal_authentication.client import JWTDDToolAuthClientTokenManager
from openai import AsyncOpenAI


LLMObs.enable(
    ml_app="nicole-test",
    site="datadoghq.com"
)

set_tracing_disabled(True)
token=JWTDDToolAuthClientTokenManager.instance(name="rapid-ai-platform", datacenter='us1.staging.dog').get_token("rapid-ai-platform")
ai_gateway_client = AsyncOpenAI(base_url="https://ai-gateway.us1.staging.dog/v1", default_headers={"source": "nicole-test", "org-id": "2"}, api_key=token)
set_default_openai_client(ai_gateway_client)

async def main():
    resp = await ai_gateway_client.responses.create(
        model="gpt-5",
        tools=[
            {
                "type": "mcp",
                "server_label": "dice_roller",
                "server_description": "Public dice-roller MCP server for testing.",
                "server_url": "https://dice-rolling-mcp.vercel.app/mcp",  # or use the FastMCP URL
                "require_approval": "never",
            },
        ],
        input="Roll 2d4+1",
    )

    print(resp)

if __name__ == "__main__":
    asyncio.run(main())

Before

Before, our experience for these types of server-side MCP use cases was very poor. Running the script, I get this trace which does not parse the MCP server side calls:

After

With the changes in this PR, the trace looks much cleaner and correctly parses all the information related to the MCP usage.

Tool Calls and Tool Results are highlighted:

Available Tools from the MCP server are captured:

Separate tool span is emitted:

I also tried this out with more than one tool call in this trace.

Risks

Additional Notes

github-actions · 2025-10-27T20:15:22Z

CODEOWNERS have been resolved as:

releasenotes/notes/openai-mcp-support-6529a8c07e00a6a1.yaml             @DataDog/apm-python
ddtrace/contrib/internal/openai/_endpoint_hooks.py                      @DataDog/ml-observability
ddtrace/llmobs/_integrations/openai.py                                  @DataDog/ml-observability
ddtrace/llmobs/_integrations/openai_agents.py                           @DataDog/ml-observability
ddtrace/llmobs/_integrations/utils.py                                   @DataDog/ml-observability
tests/contrib/openai/test_openai_llmobs.py                              @DataDog/ml-observability
tests/contrib/openai/utils.py                                           @DataDog/ml-observability

github-actions · 2025-10-27T20:40:37Z

Bootstrap import analysis

Comparison of import times between this PR and base.

Summary

The average import time from this PR is: 216 ± 3 ms.

The average import time from base is: 222 ± 3 ms.

The import time difference between this PR and base is: -5.3 ± 0.1 ms.

Import time breakdown

The following import paths have shrunk:

ddtrace.auto 5.144 ms (2.38%)

ddtrace.bootstrap.sitecustomize 3.099 ms (1.43%)

ddtrace.bootstrap.preload 3.099 ms (1.43%)

ddtrace.internal.settings.dynamic_instrumentation 0.536 ms (0.25%)

ddtrace.internal.remoteconfig.client 0.528 ms (0.24%)

ddtrace.internal.remoteconfig.worker 0.514 ms (0.24%)

ddtrace 2.046 ms (0.95%)

ddtrace.trace 0.541 ms (0.25%)

ddtrace._logger 0.492 ms (0.23%)

ddtrace.internal.telemetry 0.492 ms (0.23%)

ddtrace.internal.telemetry.writer 0.492 ms (0.23%)

ddtrace.internal.utils.version 0.492 ms (0.23%)

ddtrace.internal._unpatched 0.034 ms (0.02%)

json 0.034 ms (0.02%)

json.decoder 0.034 ms (0.02%)

re 0.034 ms (0.02%)

enum 0.034 ms (0.02%)

types 0.034 ms (0.02%)

pr-commenter · 2025-10-27T21:14:18Z

Performance SLOs

Comparing candidate nicole-cybul/openai-mcp-support (ef54ef9) with baseline main (6f04282)

📈 Performance Regressions (2 suites)

📈 iastaspects - 118/118

✅ add_aspect

Time: ✅ 0.405µs (SLO: <10.000µs 📉 -95.9%) vs baseline: -0.4%

Memory: ✅ 39.892MB (SLO: <41.500MB -3.9%) vs baseline: +6.0%

✅ add_inplace_aspect

Time: ✅ 0.407µs (SLO: <10.000µs 📉 -95.9%) vs baseline: +0.4%

Memory: ✅ 39.381MB (SLO: <41.500MB -5.1%) vs baseline: +4.8%

✅ add_inplace_noaspect

Time: ✅ 0.314µs (SLO: <10.000µs 📉 -96.9%) vs baseline: -3.2%

Memory: ✅ 39.695MB (SLO: <41.500MB -4.3%) vs baseline: +5.6%

✅ add_noaspect

Time: ✅ 0.279µs (SLO: <10.000µs 📉 -97.2%) vs baseline: +0.1%

Memory: ✅ 39.420MB (SLO: <41.500MB -5.0%) vs baseline: +4.1%

✅ bytearray_aspect

Time: ✅ 1.398µs (SLO: <10.000µs 📉 -86.0%) vs baseline: +6.0%

Memory: ✅ 39.852MB (SLO: <41.500MB -4.0%) vs baseline: +5.4%

✅ bytearray_extend_aspect

Time: ✅ 1.538µs (SLO: <10.000µs 📉 -84.6%) vs baseline: +0.2%

Memory: ✅ 39.990MB (SLO: <41.500MB -3.6%) vs baseline: +6.0%

✅ bytearray_extend_noaspect

Time: ✅ 0.609µs (SLO: <10.000µs 📉 -93.9%) vs baseline: -1.3%

Memory: ✅ 39.479MB (SLO: <41.500MB -4.9%) vs baseline: +5.0%

✅ bytearray_noaspect

Time: ✅ 0.482µs (SLO: <10.000µs 📉 -95.2%) vs baseline: +0.2%

Memory: ✅ 39.675MB (SLO: <41.500MB -4.4%) vs baseline: +5.3%

✅ bytes_aspect

Time: ✅ 1.297µs (SLO: <10.000µs 📉 -87.0%) vs baseline: +0.5%

Memory: ✅ 39.833MB (SLO: <41.500MB -4.0%) vs baseline: +6.0%

✅ bytes_noaspect

Time: ✅ 0.495µs (SLO: <10.000µs 📉 -95.1%) vs baseline: -0.4%

Memory: ✅ 39.813MB (SLO: <41.500MB -4.1%) vs baseline: +4.9%

✅ bytesio_aspect

Time: ✅ 1.305µs (SLO: <10.000µs 📉 -86.9%) vs baseline: -0.3%

Memory: ✅ 39.892MB (SLO: <41.500MB -3.9%) vs baseline: +5.3%

✅ bytesio_noaspect

Time: ✅ 0.501µs (SLO: <10.000µs 📉 -95.0%) vs baseline: +0.3%

Memory: ✅ 39.852MB (SLO: <41.500MB -4.0%) vs baseline: +4.7%

✅ capitalize_aspect

Time: ✅ 0.736µs (SLO: <10.000µs 📉 -92.6%) vs baseline: -0.8%

Memory: ✅ 39.499MB (SLO: <41.500MB -4.8%) vs baseline: +4.0%

✅ capitalize_noaspect

Time: ✅ 0.434µs (SLO: <10.000µs 📉 -95.7%) vs baseline: ~same

Memory: ✅ 39.518MB (SLO: <41.500MB -4.8%) vs baseline: +4.8%

✅ casefold_aspect

Time: ✅ 0.746µs (SLO: <10.000µs 📉 -92.5%) vs baseline: +0.8%

Memory: ✅ 39.892MB (SLO: <41.500MB -3.9%) vs baseline: +5.3%

✅ casefold_noaspect

Time: ✅ 0.369µs (SLO: <10.000µs 📉 -96.3%) vs baseline: -0.1%

Memory: ✅ 39.852MB (SLO: <41.500MB -4.0%) vs baseline: +4.7%

✅ decode_aspect

Time: ✅ 0.728µs (SLO: <10.000µs 📉 -92.7%) vs baseline: +0.9%

Memory: ✅ 39.459MB (SLO: <41.500MB -4.9%) vs baseline: +4.9%

✅ decode_noaspect

Time: ✅ 0.418µs (SLO: <10.000µs 📉 -95.8%) vs baseline: -0.4%

Memory: ✅ 39.793MB (SLO: <41.500MB -4.1%) vs baseline: +4.7%

✅ encode_aspect

Time: ✅ 0.707µs (SLO: <10.000µs 📉 -92.9%) vs baseline: -0.8%

Memory: ✅ 39.499MB (SLO: <41.500MB -4.8%) vs baseline: +5.2%

✅ encode_noaspect

Time: ✅ 0.400µs (SLO: <10.000µs 📉 -96.0%) vs baseline: -1.2%

Memory: ✅ 39.852MB (SLO: <41.500MB -4.0%) vs baseline: +4.5%

✅ format_aspect

Time: ✅ 3.298µs (SLO: <10.000µs 📉 -67.0%) vs baseline: -0.7%

Memory: ✅ 39.499MB (SLO: <41.500MB -4.8%) vs baseline: +5.0%

✅ format_map_aspect

Time: ✅ 3.470µs (SLO: <10.000µs 📉 -65.3%) vs baseline: -1.5%

Memory: ✅ 39.479MB (SLO: <41.500MB -4.9%) vs baseline: +4.9%

✅ format_map_noaspect

Time: ✅ 0.775µs (SLO: <10.000µs 📉 -92.2%) vs baseline: +0.1%

Memory: ✅ 39.459MB (SLO: <41.500MB -4.9%) vs baseline: +5.0%

✅ format_noaspect

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

Memory: ✅ 39.813MB (SLO: <41.500MB -4.1%) vs baseline: +4.8%

✅ index_aspect

Time: ✅ 0.359µs (SLO: <10.000µs 📉 -96.4%) vs baseline: +0.6%

Memory: ✅ 39.833MB (SLO: <41.500MB -4.0%) vs baseline: +5.8%

✅ index_noaspect

Time: ✅ 0.279µs (SLO: <10.000µs 📉 -97.2%) vs baseline: +0.5%

Memory: ✅ 39.852MB (SLO: <41.500MB -4.0%) vs baseline: +4.9%

✅ join_aspect

Time: ✅ 1.378µs (SLO: <10.000µs 📉 -86.2%) vs baseline: -0.4%

Memory: ✅ 39.872MB (SLO: <41.500MB -3.9%) vs baseline: +5.9%

✅ join_noaspect

Time: ✅ 0.495µs (SLO: <10.000µs 📉 -95.0%) vs baseline: +0.8%

Memory: ✅ 39.440MB (SLO: <41.500MB -5.0%) vs baseline: +4.1%

✅ ljust_aspect

Time: ✅ 2.589µs (SLO: <20.000µs 📉 -87.1%) vs baseline: +4.3%

Memory: ✅ 39.695MB (SLO: <41.500MB -4.3%) vs baseline: +5.2%

✅ ljust_noaspect

Time: ✅ 0.405µs (SLO: <10.000µs 📉 -96.0%) vs baseline: -0.8%

Memory: ✅ 39.872MB (SLO: <41.500MB -3.9%) vs baseline: +4.9%

✅ lower_aspect

Time: ✅ 2.194µs (SLO: <10.000µs 📉 -78.1%) vs baseline: +0.5%

Memory: ✅ 39.715MB (SLO: <41.500MB -4.3%) vs baseline: +5.3%

✅ lower_noaspect

Time: ✅ 0.366µs (SLO: <10.000µs 📉 -96.3%) vs baseline: -1.1%

Memory: ✅ 39.911MB (SLO: <41.500MB -3.8%) vs baseline: +4.9%

✅ lstrip_aspect

Time: ✅ 2.581µs (SLO: <20.000µs 📉 -87.1%) vs baseline: 📈 +17.1%

Memory: ✅ 39.479MB (SLO: <41.500MB -4.9%) vs baseline: +4.9%

✅ lstrip_noaspect

Time: ✅ 0.384µs (SLO: <10.000µs 📉 -96.2%) vs baseline: +1.3%

Memory: ✅ 39.872MB (SLO: <41.500MB -3.9%) vs baseline: +4.8%

✅ modulo_aspect

Time: ✅ 1.037µs (SLO: <10.000µs 📉 -89.6%) vs baseline: -0.5%

Memory: ✅ 39.440MB (SLO: <41.500MB -5.0%) vs baseline: +4.7%

✅ modulo_aspect_for_bytearray_bytearray

Time: ✅ 1.555µs (SLO: <10.000µs 📉 -84.5%) vs baseline: -0.2%

Memory: ✅ 39.597MB (SLO: <41.500MB -4.6%) vs baseline: +5.3%

✅ modulo_aspect_for_bytes

Time: ✅ 0.978µs (SLO: <10.000µs 📉 -90.2%) vs baseline: ~same

Memory: ✅ 39.833MB (SLO: <41.500MB -4.0%) vs baseline: +4.9%

✅ modulo_aspect_for_bytes_bytearray

Time: ✅ 1.255µs (SLO: <10.000µs 📉 -87.5%) vs baseline: +0.3%

Memory: ✅ 39.459MB (SLO: <41.500MB -4.9%) vs baseline: +5.0%

✅ modulo_noaspect

Time: ✅ 0.625µs (SLO: <10.000µs 📉 -93.7%) vs baseline: -0.4%

Memory: ✅ 39.813MB (SLO: <41.500MB -4.1%) vs baseline: +4.5%

✅ replace_aspect

Time: ✅ 4.866µs (SLO: <10.000µs 📉 -51.3%) vs baseline: -0.2%

Memory: ✅ 39.440MB (SLO: <41.500MB -5.0%) vs baseline: +4.8%

✅ replace_noaspect

Time: ✅ 0.458µs (SLO: <10.000µs 📉 -95.4%) vs baseline: -0.1%

Memory: ✅ 39.813MB (SLO: <41.500MB -4.1%) vs baseline: +4.7%

✅ repr_aspect

Time: ✅ 0.908µs (SLO: <10.000µs 📉 -90.9%) vs baseline: +0.6%

Memory: ✅ 39.892MB (SLO: <41.500MB -3.9%) vs baseline: +6.2%

✅ repr_noaspect

Time: ✅ 0.412µs (SLO: <10.000µs 📉 -95.9%) vs baseline: -1.1%

Memory: ✅ 39.400MB (SLO: <41.500MB -5.1%) vs baseline: +3.5%

✅ rstrip_aspect

Time: ✅ 1.924µs (SLO: <20.000µs 📉 -90.4%) vs baseline: +2.1%

Memory: ✅ 39.459MB (SLO: <41.500MB -4.9%) vs baseline: +5.0%

✅ rstrip_noaspect

Time: ✅ 0.374µs (SLO: <10.000µs 📉 -96.3%) vs baseline: -1.1%

Memory: ✅ 39.911MB (SLO: <41.500MB -3.8%) vs baseline: +5.0%

✅ slice_aspect

Time: ✅ 0.494µs (SLO: <10.000µs 📉 -95.1%) vs baseline: -0.2%

Memory: ✅ 39.970MB (SLO: <41.500MB -3.7%) vs baseline: +6.4%

✅ slice_noaspect

Time: ✅ 0.447µs (SLO: <10.000µs 📉 -95.5%) vs baseline: +0.4%

Memory: ✅ 39.793MB (SLO: <41.500MB -4.1%) vs baseline: +4.7%

✅ stringio_aspect

Time: ✅ 1.529µs (SLO: <10.000µs 📉 -84.7%) vs baseline: -0.3%

Memory: ✅ 39.499MB (SLO: <41.500MB -4.8%) vs baseline: +4.5%

✅ stringio_noaspect

Time: ✅ 0.715µs (SLO: <10.000µs 📉 -92.9%) vs baseline: -1.4%

Memory: ✅ 39.911MB (SLO: <41.500MB -3.8%) vs baseline: +4.9%

✅ strip_aspect

Time: ✅ 2.223µs (SLO: <20.000µs 📉 -88.9%) vs baseline: +0.4%

Memory: ✅ 39.813MB (SLO: <41.500MB -4.1%) vs baseline: +5.9%

✅ strip_noaspect

Time: ✅ 0.383µs (SLO: <10.000µs 📉 -96.2%) vs baseline: -0.5%

Memory: ✅ 39.911MB (SLO: <41.500MB -3.8%) vs baseline: +5.1%

✅ swapcase_aspect

Time: ✅ 2.399µs (SLO: <10.000µs 📉 -76.0%) vs baseline: +0.4%

Memory: ✅ 39.459MB (SLO: <41.500MB -4.9%) vs baseline: +5.1%

✅ swapcase_noaspect

Time: ✅ 0.536µs (SLO: <10.000µs 📉 -94.6%) vs baseline: -0.6%

Memory: ✅ 39.911MB (SLO: <41.500MB -3.8%) vs baseline: +4.8%

✅ title_aspect

Time: ✅ 2.347µs (SLO: <10.000µs 📉 -76.5%) vs baseline: +0.9%

Memory: ✅ 39.774MB (SLO: <41.500MB -4.2%) vs baseline: +5.6%

✅ title_noaspect

Time: ✅ 0.507µs (SLO: <10.000µs 📉 -94.9%) vs baseline: +0.9%

Memory: ✅ 39.872MB (SLO: <41.500MB -3.9%) vs baseline: +4.9%

✅ translate_aspect

Time: ✅ 3.216µs (SLO: <10.000µs 📉 -67.8%) vs baseline: +0.5%

Memory: ✅ 39.420MB (SLO: <41.500MB -5.0%) vs baseline: +4.8%

✅ translate_noaspect

Time: ✅ 1.045µs (SLO: <10.000µs 📉 -89.5%) vs baseline: ~same

Memory: ✅ 39.577MB (SLO: <41.500MB -4.6%) vs baseline: +5.2%

✅ upper_aspect

Time: ✅ 2.195µs (SLO: <10.000µs 📉 -78.0%) vs baseline: +0.4%

Memory: ✅ 39.734MB (SLO: <41.500MB -4.3%) vs baseline: +5.6%

✅ upper_noaspect

Time: ✅ 0.368µs (SLO: <10.000µs 📉 -96.3%) vs baseline: +0.9%

Memory: ✅ 39.911MB (SLO: <41.500MB -3.8%) vs baseline: +4.8%

📈 telemetryaddmetric - 30/30

✅ 1-count-metric-1-times

Time: ✅ 2.897µs (SLO: <20.000µs 📉 -85.5%) vs baseline: -2.0%

Memory: ✅ 34.662MB (SLO: <35.500MB -2.4%) vs baseline: +5.1%

✅ 1-count-metrics-100-times

Time: ✅ 202.020µs (SLO: <220.000µs -8.2%) vs baseline: -1.7%

Memory: ✅ 34.583MB (SLO: <35.500MB -2.6%) vs baseline: +4.7%

✅ 1-distribution-metric-1-times

Time: ✅ 3.338µs (SLO: <20.000µs 📉 -83.3%) vs baseline: +0.7%

Memory: ✅ 34.701MB (SLO: <35.500MB -2.2%) vs baseline: +5.0%

✅ 1-distribution-metrics-100-times

Time: ✅ 214.938µs (SLO: <230.000µs -6.5%) vs baseline: -2.4%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.7%

✅ 1-gauge-metric-1-times

Time: ✅ 2.538µs (SLO: <20.000µs 📉 -87.3%) vs baseline: 📈 +16.5%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +4.7%

✅ 1-gauge-metrics-100-times

Time: ✅ 137.952µs (SLO: <150.000µs -8.0%) vs baseline: +0.3%

Memory: ✅ 34.662MB (SLO: <35.500MB -2.4%) vs baseline: +5.0%

✅ 1-rate-metric-1-times

Time: ✅ 3.480µs (SLO: <20.000µs 📉 -82.6%) vs baseline: 📈 +12.1%

Memory: ✅ 34.524MB (SLO: <35.500MB -2.7%) vs baseline: +4.7%

✅ 1-rate-metrics-100-times

Time: ✅ 214.241µs (SLO: <250.000µs 📉 -14.3%) vs baseline: -1.5%

Memory: ✅ 34.505MB (SLO: <35.500MB -2.8%) vs baseline: +4.7%

✅ 100-count-metrics-100-times

Time: ✅ 20.399ms (SLO: <22.000ms -7.3%) vs baseline: -0.3%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +5.0%

✅ 100-distribution-metrics-100-times

Time: ✅ 2.248ms (SLO: <2.300ms -2.3%) vs baseline: -0.3%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.5%

✅ 100-gauge-metrics-100-times

Time: ✅ 1.431ms (SLO: <1.550ms -7.7%) vs baseline: +0.8%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.8%

✅ 100-rate-metrics-100-times

Time: ✅ 2.225ms (SLO: <2.550ms 📉 -12.8%) vs baseline: +0.6%

Memory: ✅ 34.544MB (SLO: <35.500MB -2.7%) vs baseline: +4.7%

✅ flush-1-metric

Time: ✅ 4.616µs (SLO: <20.000µs 📉 -76.9%) vs baseline: +4.8%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +5.0%

✅ flush-100-metrics

Time: ✅ 172.744µs (SLO: <250.000µs 📉 -30.9%) vs baseline: -0.2%

Memory: ✅ 34.662MB (SLO: <35.500MB -2.4%) vs baseline: +4.9%

✅ flush-1000-metrics

Time: ✅ 2.122ms (SLO: <2.500ms 📉 -15.1%) vs baseline: -0.4%

Memory: ✅ 35.468MB (SLO: <36.500MB -2.8%) vs baseline: +4.9%

🟡 Near SLO Breach (4 suites)

🟡 djangosimple - 30/30

✅ appsec

Time: ✅ 19.286ms (SLO: <22.300ms 📉 -13.5%) vs baseline: ~same

Memory: ✅ 67.810MB (SLO: <70.500MB -3.8%) vs baseline: +4.3%

✅ exception-replay-enabled

Time: ✅ 1.341ms (SLO: <1.450ms -7.5%) vs baseline: +0.4%

Memory: ✅ 66.041MB (SLO: <67.500MB -2.2%) vs baseline: +4.8%

✅ iast

Time: ✅ 19.311ms (SLO: <22.250ms 📉 -13.2%) vs baseline: ~same

Memory: ✅ 67.889MB (SLO: <70.000MB -3.0%) vs baseline: +4.5%

✅ profiler

Time: ✅ 15.578ms (SLO: <16.550ms -5.9%) vs baseline: +0.4%

Memory: ✅ 55.883MB (SLO: <57.500MB -2.8%) vs baseline: +4.7%

✅ resource-renaming

Time: ✅ 19.381ms (SLO: <21.750ms 📉 -10.9%) vs baseline: ~same

Memory: ✅ 67.782MB (SLO: <70.500MB -3.9%) vs baseline: +4.3%

✅ span-code-origin

Time: ✅ 22.847ms (SLO: <28.200ms 📉 -19.0%) vs baseline: +0.3%

Memory: ✅ 69.613MB (SLO: <71.000MB 🟡 -2.0%) vs baseline: +5.0%

✅ tracer

Time: ✅ 19.290ms (SLO: <21.750ms 📉 -11.3%) vs baseline: ~same

Memory: ✅ 67.849MB (SLO: <70.000MB -3.1%) vs baseline: +4.7%

✅ tracer-and-profiler

Time: ✅ 21.402ms (SLO: <23.500ms -8.9%) vs baseline: ~same

Memory: ✅ 68.997MB (SLO: <71.000MB -2.8%) vs baseline: +4.9%

✅ tracer-dont-create-db-spans

Time: ✅ 19.312ms (SLO: <21.500ms 📉 -10.2%) vs baseline: ~same

Memory: ✅ 67.751MB (SLO: <70.000MB -3.2%) vs baseline: +4.5%

✅ tracer-minimal

Time: ✅ 16.634ms (SLO: <17.500ms -4.9%) vs baseline: +0.3%

Memory: ✅ 67.889MB (SLO: <70.000MB -3.0%) vs baseline: +4.9%

✅ tracer-native

Time: ✅ 19.346ms (SLO: <21.750ms 📉 -11.1%) vs baseline: +0.5%

Memory: ✅ 68.085MB (SLO: <72.500MB -6.1%) vs baseline: +4.9%

✅ tracer-no-caches

Time: ✅ 17.334ms (SLO: <19.650ms 📉 -11.8%) vs baseline: ~same

Memory: ✅ 67.771MB (SLO: <70.000MB -3.2%) vs baseline: +4.8%

✅ tracer-no-databases

Time: ✅ 18.710ms (SLO: <20.100ms -6.9%) vs baseline: -0.3%

Memory: ✅ 67.849MB (SLO: <70.000MB -3.1%) vs baseline: +5.0%

✅ tracer-no-middleware

Time: ✅ 18.953ms (SLO: <21.500ms 📉 -11.8%) vs baseline: -0.4%

Memory: ✅ 67.751MB (SLO: <70.000MB -3.2%) vs baseline: +4.9%

✅ tracer-no-templates

Time: ✅ 19.153ms (SLO: <22.000ms 📉 -12.9%) vs baseline: +0.4%

Memory: ✅ 67.707MB (SLO: <70.500MB -4.0%) vs baseline: +4.7%

🟡 flasksimple - 18/18

✅ appsec-get

Time: ✅ 4.587ms (SLO: <4.750ms -3.4%) vs baseline: -0.3%

Memory: ✅ 63.970MB (SLO: <66.500MB -3.8%) vs baseline: +4.9%

✅ appsec-post

Time: ✅ 6.619ms (SLO: <6.750ms 🟡 -1.9%) vs baseline: ~same

Memory: ✅ 64.459MB (SLO: <66.500MB -3.1%) vs baseline: +4.9%

✅ appsec-telemetry

Time: ✅ 4.586ms (SLO: <4.750ms -3.5%) vs baseline: -0.4%

Memory: ✅ 64.052MB (SLO: <66.500MB -3.7%) vs baseline: +4.9%

✅ debugger

Time: ✅ 1.854ms (SLO: <2.000ms -7.3%) vs baseline: -0.6%

Memory: ✅ 47.885MB (SLO: <49.500MB -3.3%) vs baseline: +5.0%

✅ iast-get

Time: ✅ 1.857ms (SLO: <2.000ms -7.2%) vs baseline: +0.2%

Memory: ✅ 44.698MB (SLO: <49.000MB -8.8%) vs baseline: +4.8%

✅ profiler

Time: ✅ 1.920ms (SLO: <2.100ms -8.6%) vs baseline: -0.6%

Memory: ✅ 48.382MB (SLO: <50.000MB -3.2%) vs baseline: +4.9%

✅ resource-renaming

Time: ✅ 3.370ms (SLO: <3.650ms -7.7%) vs baseline: -0.2%

Memory: ✅ 54.693MB (SLO: <56.000MB -2.3%) vs baseline: +4.8%

✅ tracer

Time: ✅ 3.360ms (SLO: <3.650ms -7.9%) vs baseline: ~same

Memory: ✅ 54.746MB (SLO: <56.500MB -3.1%) vs baseline: +4.9%

✅ tracer-native

Time: ✅ 3.359ms (SLO: <3.650ms -8.0%) vs baseline: +0.2%

Memory: ✅ 54.537MB (SLO: <60.000MB -9.1%) vs baseline: +4.6%

🟡 iastpropagation - 8/8

✅ no-propagation

Time: ✅ 48.539µs (SLO: <60.000µs 📉 -19.1%) vs baseline: -0.7%

Memory: ✅ 39.479MB (SLO: <40.500MB -2.5%) vs baseline: +4.8%

✅ propagation_enabled

Time: ✅ 166.058µs (SLO: <190.000µs 📉 -12.6%) vs baseline: -1.1%

Memory: ✅ 39.459MB (SLO: <40.000MB 🟡 -1.4%) vs baseline: +4.8%

✅ propagation_enabled_100

Time: ✅ 1.853ms (SLO: <2.300ms 📉 -19.4%) vs baseline: +0.5%

Memory: ✅ 39.440MB (SLO: <40.000MB 🟡 -1.4%) vs baseline: +4.7%

✅ propagation_enabled_1000

Time: ✅ 32.008ms (SLO: <34.550ms -7.4%) vs baseline: -0.3%

Memory: ✅ 39.499MB (SLO: <40.000MB 🟡 -1.3%) vs baseline: +4.4%

🟡 otelspan - 22/22

✅ add-event

Time: ✅ 38.722ms (SLO: <47.150ms 📉 -17.9%) vs baseline: +0.7%

Memory: ✅ 39.024MB (SLO: <47.000MB 📉 -17.0%) vs baseline: +4.7%

✅ add-metrics

Time: ✅ 258.980ms (SLO: <344.800ms 📉 -24.9%) vs baseline: +0.3%

Memory: ✅ 43.352MB (SLO: <47.500MB -8.7%) vs baseline: +4.8%

✅ add-tags

Time: ✅ 314.661ms (SLO: <321.000ms 🟡 -2.0%) vs baseline: +0.3%

Memory: ✅ 43.411MB (SLO: <47.500MB -8.6%) vs baseline: +5.3%

✅ get-context

Time: ✅ 81.170ms (SLO: <92.350ms 📉 -12.1%) vs baseline: +2.8%

Memory: ✅ 39.369MB (SLO: <46.500MB 📉 -15.3%) vs baseline: +4.7%

✅ is-recording

Time: ✅ 36.146ms (SLO: <44.500ms 📉 -18.8%) vs baseline: +0.4%

Memory: ✅ 38.954MB (SLO: <47.500MB 📉 -18.0%) vs baseline: +4.9%

✅ record-exception

Time: ✅ 56.900ms (SLO: <67.650ms 📉 -15.9%) vs baseline: ~same

Memory: ✅ 39.538MB (SLO: <47.000MB 📉 -15.9%) vs baseline: +4.9%

✅ set-status

Time: ✅ 42.216ms (SLO: <50.400ms 📉 -16.2%) vs baseline: -0.2%

Memory: ✅ 39.000MB (SLO: <47.000MB 📉 -17.0%) vs baseline: +4.8%

✅ start

Time: ✅ 35.252ms (SLO: <43.450ms 📉 -18.9%) vs baseline: -0.4%

Memory: ✅ 38.992MB (SLO: <47.000MB 📉 -17.0%) vs baseline: +4.9%

✅ start-finish

Time: ✅ 81.876ms (SLO: <88.000ms -7.0%) vs baseline: -0.3%

Memory: ✅ 36.589MB (SLO: <46.500MB 📉 -21.3%) vs baseline: +4.6%

✅ start-finish-telemetry

Time: ✅ 83.535ms (SLO: <89.000ms -6.1%) vs baseline: +0.1%

Memory: ✅ 36.707MB (SLO: <46.500MB 📉 -21.1%) vs baseline: +4.8%

✅ update-name

Time: ✅ 36.980ms (SLO: <45.150ms 📉 -18.1%) vs baseline: +0.7%

Memory: ✅ 38.999MB (SLO: <47.000MB 📉 -17.0%) vs baseline: +4.9%

⚠️ Unstable Tests (1 suite)

⚠️

coreapiscenario - 10/10 (1 unstable)

⚠️ context_with_data_listeners

Time: ⚠️ 13.239µs (SLO: <20.000µs 📉 -33.8%) vs baseline: ~same

Memory: ✅ 34.662MB (SLO: <35.500MB -2.4%) vs baseline: +5.3%

✅ context_with_data_no_listeners

Time: ✅ 3.283µs (SLO: <10.000µs 📉 -67.2%) vs baseline: +0.5%

Memory: ✅ 34.564MB (SLO: <35.500MB -2.6%) vs baseline: +4.6%

✅ get_item_exists

Time: ✅ 0.578µs (SLO: <10.000µs 📉 -94.2%) vs baseline: -0.3%

Memory: ✅ 34.662MB (SLO: <35.500MB -2.4%) vs baseline: +4.9%

✅ get_item_missing

Time: ✅ 0.632µs (SLO: <10.000µs 📉 -93.7%) vs baseline: -0.9%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +5.0%

✅ set_item

Time: ✅ 24.040µs (SLO: <30.000µs 📉 -19.9%) vs baseline: -1.0%

Memory: ✅ 34.564MB (SLO: <35.500MB -2.6%) vs baseline: +4.9%

✅ All Tests Passing (17 suites)

✅ errortrackingdjangosimple - 6/6

✅ errortracking-enabled-all

Time: ✅ 16.313ms (SLO: <19.850ms 📉 -17.8%) vs baseline: +0.2%

Memory: ✅ 67.647MB (SLO: <70.000MB -3.4%) vs baseline: +4.9%

✅ errortracking-enabled-user

Time: ✅ 16.339ms (SLO: <19.400ms 📉 -15.8%) vs baseline: ~same

Memory: ✅ 67.587MB (SLO: <70.000MB -3.4%) vs baseline: +4.8%

✅ tracer-enabled

Time: ✅ 16.328ms (SLO: <19.450ms 📉 -16.0%) vs baseline: ~same

Memory: ✅ 67.575MB (SLO: <70.000MB -3.5%) vs baseline: +4.6%

✅ errortrackingflasksqli - 6/6

✅ errortracking-enabled-all

Time: ✅ 2.068ms (SLO: <2.300ms 📉 -10.1%) vs baseline: ~same

Memory: ✅ 54.598MB (SLO: <56.500MB -3.4%) vs baseline: +4.9%

✅ errortracking-enabled-user

Time: ✅ 2.076ms (SLO: <2.250ms -7.7%) vs baseline: +0.2%

Memory: ✅ 54.559MB (SLO: <56.500MB -3.4%) vs baseline: +4.8%

✅ tracer-enabled

Time: ✅ 2.069ms (SLO: <2.300ms 📉 -10.1%) vs baseline: -0.3%

Memory: ✅ 54.578MB (SLO: <56.500MB -3.4%) vs baseline: +5.0%

✅ flasksqli - 6/6

✅ appsec-enabled

Time: ✅ 3.955ms (SLO: <4.200ms -5.8%) vs baseline: -0.3%

Memory: ✅ 64.448MB (SLO: <66.000MB -2.4%) vs baseline: +5.0%

✅ iast-enabled

Time: ✅ 2.448ms (SLO: <2.800ms 📉 -12.6%) vs baseline: ~same

Memory: ✅ 60.575MB (SLO: <62.500MB -3.1%) vs baseline: +5.1%

✅ tracer-enabled

Time: ✅ 2.056ms (SLO: <2.250ms -8.6%) vs baseline: -0.3%

Memory: ✅ 54.598MB (SLO: <56.500MB -3.4%) vs baseline: +4.8%

✅ httppropagationextract - 60/60

✅ all_styles_all_headers

Time: ✅ 81.530µs (SLO: <100.000µs 📉 -18.5%) vs baseline: +0.4%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +5.0%

✅ b3_headers

Time: ✅ 14.374µs (SLO: <20.000µs 📉 -28.1%) vs baseline: +1.3%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +4.8%

✅ b3_single_headers

Time: ✅ 13.421µs (SLO: <20.000µs 📉 -32.9%) vs baseline: +0.7%

Memory: ✅ 34.524MB (SLO: <35.500MB -2.7%) vs baseline: +4.6%

✅ datadog_tracecontext_tracestate_not_propagated_on_trace_id_no_match

Time: ✅ 64.387µs (SLO: <80.000µs 📉 -19.5%) vs baseline: +0.7%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ datadog_tracecontext_tracestate_propagated_on_trace_id_match

Time: ✅ 66.466µs (SLO: <80.000µs 📉 -16.9%) vs baseline: +0.5%

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +5.1%

✅ empty_headers

Time: ✅ 1.604µs (SLO: <10.000µs 📉 -84.0%) vs baseline: -0.7%

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +5.0%

✅ full_t_id_datadog_headers

Time: ✅ 22.944µs (SLO: <30.000µs 📉 -23.5%) vs baseline: +1.9%

Memory: ✅ 34.701MB (SLO: <35.500MB -2.2%) vs baseline: +5.2%

✅ invalid_priority_header

Time: ✅ 6.543µs (SLO: <10.000µs 📉 -34.6%) vs baseline: +0.3%

Memory: ✅ 34.701MB (SLO: <35.500MB -2.2%) vs baseline: +5.0%

✅ invalid_span_id_header

Time: ✅ 6.540µs (SLO: <10.000µs 📉 -34.6%) vs baseline: -0.3%

Memory: ✅ 34.682MB (SLO: <35.500MB -2.3%) vs baseline: +5.0%

✅ invalid_tags_header

Time: ✅ 6.604µs (SLO: <10.000µs 📉 -34.0%) vs baseline: +0.5%

Memory: ✅ 34.583MB (SLO: <35.500MB -2.6%) vs baseline: +4.5%

✅ invalid_trace_id_header

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

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +4.9%

✅ large_header_no_matches

Time: ✅ 27.558µs (SLO: <30.000µs -8.1%) vs baseline: -0.5%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.5%

✅ large_valid_headers_all

Time: ✅ 28.692µs (SLO: <40.000µs 📉 -28.3%) vs baseline: -0.2%

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +4.8%

✅ medium_header_no_matches

Time: ✅ 9.829µs (SLO: <20.000µs 📉 -50.9%) vs baseline: -0.5%

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +5.0%

✅ medium_valid_headers_all

Time: ✅ 11.327µs (SLO: <20.000µs 📉 -43.4%) vs baseline: +0.5%

Memory: ✅ 34.662MB (SLO: <35.500MB -2.4%) vs baseline: +5.1%

✅ none_propagation_style

Time: ✅ 1.720µs (SLO: <10.000µs 📉 -82.8%) vs baseline: -0.3%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.8%

✅ tracecontext_headers

Time: ✅ 35.096µs (SLO: <40.000µs 📉 -12.3%) vs baseline: +1.0%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.4%

✅ valid_headers_all

Time: ✅ 6.575µs (SLO: <10.000µs 📉 -34.3%) vs baseline: +0.1%

Memory: ✅ 34.682MB (SLO: <35.500MB -2.3%) vs baseline: +5.2%

✅ valid_headers_basic

Time: ✅ 6.144µs (SLO: <10.000µs 📉 -38.6%) vs baseline: +0.7%

Memory: ✅ 34.583MB (SLO: <35.500MB -2.6%) vs baseline: +4.8%

✅ wsgi_empty_headers

Time: ✅ 1.597µs (SLO: <10.000µs 📉 -84.0%) vs baseline: -0.9%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ wsgi_invalid_priority_header

Time: ✅ 6.617µs (SLO: <10.000µs 📉 -33.8%) vs baseline: +0.4%

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +5.0%

✅ wsgi_invalid_span_id_header

Time: ✅ 1.584µs (SLO: <10.000µs 📉 -84.2%) vs baseline: -1.7%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ wsgi_invalid_tags_header

Time: ✅ 6.608µs (SLO: <10.000µs 📉 -33.9%) vs baseline: ~same

Memory: ✅ 34.544MB (SLO: <35.500MB -2.7%) vs baseline: +4.7%

✅ wsgi_invalid_trace_id_header

Time: ✅ 6.655µs (SLO: <10.000µs 📉 -33.4%) vs baseline: +1.9%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +4.7%

✅ wsgi_large_header_no_matches

Time: ✅ 28.889µs (SLO: <40.000µs 📉 -27.8%) vs baseline: +1.0%

Memory: ✅ 34.583MB (SLO: <35.500MB -2.6%) vs baseline: +4.9%

✅ wsgi_large_valid_headers_all

Time: ✅ 29.872µs (SLO: <40.000µs 📉 -25.3%) vs baseline: +0.2%

Memory: ✅ 34.505MB (SLO: <35.500MB -2.8%) vs baseline: +4.7%

✅ wsgi_medium_header_no_matches

Time: ✅ 10.185µs (SLO: <20.000µs 📉 -49.1%) vs baseline: -0.6%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +5.0%

✅ wsgi_medium_valid_headers_all

Time: ✅ 11.599µs (SLO: <20.000µs 📉 -42.0%) vs baseline: +0.7%

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +5.1%

✅ wsgi_valid_headers_all

Time: ✅ 6.600µs (SLO: <10.000µs 📉 -34.0%) vs baseline: -0.2%

Memory: ✅ 34.524MB (SLO: <35.500MB -2.7%) vs baseline: +4.4%

✅ wsgi_valid_headers_basic

Time: ✅ 6.156µs (SLO: <10.000µs 📉 -38.4%) vs baseline: +0.3%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ httppropagationinject - 16/16

✅ ids_only

Time: ✅ 21.121µs (SLO: <30.000µs 📉 -29.6%) vs baseline: +1.1%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.8%

✅ with_all

Time: ✅ 27.878µs (SLO: <40.000µs 📉 -30.3%) vs baseline: +1.1%

Memory: ✅ 34.583MB (SLO: <35.500MB -2.6%) vs baseline: +4.9%

✅ with_dd_origin

Time: ✅ 25.425µs (SLO: <30.000µs 📉 -15.3%) vs baseline: +2.9%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ with_priority_and_origin

Time: ✅ 24.472µs (SLO: <40.000µs 📉 -38.8%) vs baseline: +2.0%

Memory: ✅ 34.583MB (SLO: <35.500MB -2.6%) vs baseline: +4.7%

✅ with_sampling_priority

Time: ✅ 21.079µs (SLO: <30.000µs 📉 -29.7%) vs baseline: +1.6%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ with_tags

Time: ✅ 27.453µs (SLO: <40.000µs 📉 -31.4%) vs baseline: +6.4%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ with_tags_invalid

Time: ✅ 28.143µs (SLO: <40.000µs 📉 -29.6%) vs baseline: +3.2%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +5.0%

✅ with_tags_max_size

Time: ✅ 26.470µs (SLO: <40.000µs 📉 -33.8%) vs baseline: +0.5%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ iast_aspects - 40/40

✅ re_expand_aspect

Time: ✅ 33.852µs (SLO: <40.000µs 📉 -15.4%) vs baseline: +6.1%

Memory: ✅ 39.793MB (SLO: <41.000MB -2.9%) vs baseline: +4.7%

✅ re_expand_noaspect

Time: ✅ 28.822µs (SLO: <40.000µs 📉 -27.9%) vs baseline: +0.5%

Memory: ✅ 39.833MB (SLO: <41.000MB -2.8%) vs baseline: +4.8%

✅ re_findall_aspect

Time: ✅ 2.919µs (SLO: <10.000µs 📉 -70.8%) vs baseline: +0.5%

Memory: ✅ 39.852MB (SLO: <41.000MB -2.8%) vs baseline: +5.0%

✅ re_findall_noaspect

Time: ✅ 1.400µs (SLO: <10.000µs 📉 -86.0%) vs baseline: -0.8%

Memory: ✅ 39.833MB (SLO: <41.000MB -2.8%) vs baseline: +4.6%

✅ re_finditer_aspect

Time: ✅ 4.392µs (SLO: <10.000µs 📉 -56.1%) vs baseline: +0.1%

Memory: ✅ 39.872MB (SLO: <41.000MB -2.8%) vs baseline: +5.1%

✅ re_finditer_noaspect

Time: ✅ 1.392µs (SLO: <10.000µs 📉 -86.1%) vs baseline: -0.2%

Memory: ✅ 39.793MB (SLO: <41.000MB -2.9%) vs baseline: +4.8%

✅ re_fullmatch_aspect

Time: ✅ 2.675µs (SLO: <10.000µs 📉 -73.2%) vs baseline: -0.7%

Memory: ✅ 39.852MB (SLO: <41.000MB -2.8%) vs baseline: +4.9%

✅ re_fullmatch_noaspect

Time: ✅ 1.329µs (SLO: <10.000µs 📉 -86.7%) vs baseline: +0.2%

Memory: ✅ 39.793MB (SLO: <41.000MB -2.9%) vs baseline: +4.5%

✅ re_group_aspect

Time: ✅ 2.940µs (SLO: <10.000µs 📉 -70.6%) vs baseline: +1.0%

Memory: ✅ 39.852MB (SLO: <41.000MB -2.8%) vs baseline: +4.9%

✅ re_group_noaspect

Time: ✅ 1.631µs (SLO: <10.000µs 📉 -83.7%) vs baseline: ~same

Memory: ✅ 39.892MB (SLO: <41.000MB -2.7%) vs baseline: +5.2%

✅ re_groups_aspect

Time: ✅ 3.075µs (SLO: <10.000µs 📉 -69.3%) vs baseline: +0.4%

Memory: ✅ 39.872MB (SLO: <41.000MB -2.8%) vs baseline: +4.9%

✅ re_groups_noaspect

Time: ✅ 1.715µs (SLO: <10.000µs 📉 -82.9%) vs baseline: -1.5%

Memory: ✅ 39.931MB (SLO: <41.000MB -2.6%) vs baseline: +4.9%

✅ re_match_aspect

Time: ✅ 2.735µs (SLO: <10.000µs 📉 -72.6%) vs baseline: +0.4%

Memory: ✅ 39.892MB (SLO: <41.000MB -2.7%) vs baseline: +5.1%

✅ re_match_noaspect

Time: ✅ 1.317µs (SLO: <10.000µs 📉 -86.8%) vs baseline: -1.5%

Memory: ✅ 39.813MB (SLO: <41.000MB -2.9%) vs baseline: +4.7%

✅ re_search_aspect

Time: ✅ 2.529µs (SLO: <10.000µs 📉 -74.7%) vs baseline: +0.4%

Memory: ✅ 39.793MB (SLO: <41.000MB -2.9%) vs baseline: +4.5%

✅ re_search_noaspect

Time: ✅ 1.203µs (SLO: <10.000µs 📉 -88.0%) vs baseline: -0.1%

Memory: ✅ 39.892MB (SLO: <41.000MB -2.7%) vs baseline: +5.2%

✅ re_sub_aspect

Time: ✅ 3.377µs (SLO: <10.000µs 📉 -66.2%) vs baseline: +0.6%

Memory: ✅ 39.833MB (SLO: <41.000MB -2.8%) vs baseline: +4.8%

✅ re_sub_noaspect

Time: ✅ 1.527µs (SLO: <10.000µs 📉 -84.7%) vs baseline: ~same

Memory: ✅ 39.852MB (SLO: <41.000MB -2.8%) vs baseline: +4.9%

✅ re_subn_aspect

Time: ✅ 3.613µs (SLO: <10.000µs 📉 -63.9%) vs baseline: +0.7%

Memory: ✅ 39.931MB (SLO: <41.000MB -2.6%) vs baseline: +4.9%

✅ re_subn_noaspect

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

Memory: ✅ 39.931MB (SLO: <41.000MB -2.6%) vs baseline: +5.0%

✅ iastaspectsospath - 24/24

✅ ospathbasename_aspect

Time: ✅ 4.295µs (SLO: <10.000µs 📉 -57.1%) vs baseline: +0.5%

Memory: ✅ 39.833MB (SLO: <41.000MB -2.8%) vs baseline: +5.0%

✅ ospathbasename_noaspect

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

Memory: ✅ 39.892MB (SLO: <41.000MB -2.7%) vs baseline: +5.2%

✅ ospathjoin_aspect

Time: ✅ 6.171µs (SLO: <10.000µs 📉 -38.3%) vs baseline: -0.3%

Memory: ✅ 39.970MB (SLO: <41.000MB -2.5%) vs baseline: +4.9%

✅ ospathjoin_noaspect

Time: ✅ 2.279µs (SLO: <10.000µs 📉 -77.2%) vs baseline: -0.3%

Memory: ✅ 39.872MB (SLO: <41.000MB -2.8%) vs baseline: +5.0%

✅ ospathnormcase_aspect

Time: ✅ 3.537µs (SLO: <10.000µs 📉 -64.6%) vs baseline: -0.9%

Memory: ✅ 39.931MB (SLO: <41.000MB -2.6%) vs baseline: +5.3%

✅ ospathnormcase_noaspect

Time: ✅ 0.570µs (SLO: <10.000µs 📉 -94.3%) vs baseline: +0.1%

Memory: ✅ 39.872MB (SLO: <41.000MB -2.8%) vs baseline: +5.0%

✅ ospathsplit_aspect

Time: ✅ 4.833µs (SLO: <10.000µs 📉 -51.7%) vs baseline: -0.4%

Memory: ✅ 39.892MB (SLO: <41.000MB -2.7%) vs baseline: +5.0%

✅ ospathsplit_noaspect

Time: ✅ 1.586µs (SLO: <10.000µs 📉 -84.1%) vs baseline: -0.6%

Memory: ✅ 39.892MB (SLO: <41.000MB -2.7%) vs baseline: +4.9%

✅ ospathsplitdrive_aspect

Time: ✅ 3.741µs (SLO: <10.000µs 📉 -62.6%) vs baseline: -0.1%

Memory: ✅ 39.892MB (SLO: <41.000MB -2.7%) vs baseline: +4.8%

✅ ospathsplitdrive_noaspect

Time: ✅ 0.693µs (SLO: <10.000µs 📉 -93.1%) vs baseline: -0.5%

Memory: ✅ 39.833MB (SLO: <41.000MB -2.8%) vs baseline: +4.6%

✅ ospathsplitext_aspect

Time: ✅ 4.621µs (SLO: <10.000µs 📉 -53.8%) vs baseline: +0.3%

Memory: ✅ 39.931MB (SLO: <41.000MB -2.6%) vs baseline: +4.9%

✅ ospathsplitext_noaspect

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

Memory: ✅ 39.833MB (SLO: <41.000MB -2.8%) vs baseline: +4.7%

✅ iastaspectssplit - 12/12

✅ rsplit_aspect

Time: ✅ 1.382µs (SLO: <10.000µs 📉 -86.2%) vs baseline: ~same

Memory: ✅ 39.852MB (SLO: <41.000MB -2.8%) vs baseline: +4.8%

✅ rsplit_noaspect

Time: ✅ 0.578µs (SLO: <10.000µs 📉 -94.2%) vs baseline: -0.7%

Memory: ✅ 39.872MB (SLO: <41.000MB -2.8%) vs baseline: +4.8%

✅ split_aspect

Time: ✅ 1.376µs (SLO: <10.000µs 📉 -86.2%) vs baseline: -0.4%

Memory: ✅ 39.911MB (SLO: <41.000MB -2.7%) vs baseline: +4.9%

✅ split_noaspect

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

Memory: ✅ 39.872MB (SLO: <41.000MB -2.8%) vs baseline: +5.0%

✅ splitlines_aspect

Time: ✅ 1.376µs (SLO: <10.000µs 📉 -86.2%) vs baseline: +0.8%

Memory: ✅ 39.734MB (SLO: <41.000MB -3.1%) vs baseline: +4.3%

✅ splitlines_noaspect

Time: ✅ 0.592µs (SLO: <10.000µs 📉 -94.1%) vs baseline: +0.9%

Memory: ✅ 39.852MB (SLO: <41.000MB -2.8%) vs baseline: +4.9%

✅ otelsdkspan - 24/24

✅ add-event

Time: ✅ 40.324ms (SLO: <42.000ms -4.0%) vs baseline: -0.2%

Memory: ✅ 36.982MB (SLO: <39.000MB -5.2%) vs baseline: +4.7%

✅ add-link

Time: ✅ 36.391ms (SLO: <38.550ms -5.6%) vs baseline: ~same

Memory: ✅ 37.041MB (SLO: <39.000MB -5.0%) vs baseline: +5.0%

✅ add-metrics

Time: ✅ 219.034ms (SLO: <232.000ms -5.6%) vs baseline: -0.6%

Memory: ✅ 37.041MB (SLO: <39.000MB -5.0%) vs baseline: +5.1%

✅ add-tags

Time: ✅ 212.266ms (SLO: <221.600ms -4.2%) vs baseline: +0.5%

Memory: ✅ 37.100MB (SLO: <39.000MB -4.9%) vs baseline: +5.0%

✅ get-context

Time: ✅ 29.131ms (SLO: <31.300ms -6.9%) vs baseline: +0.5%

Memory: ✅ 37.041MB (SLO: <39.000MB -5.0%) vs baseline: +4.8%

✅ is-recording

Time: ✅ 29.248ms (SLO: <31.000ms -5.7%) vs baseline: +0.6%

Memory: ✅ 37.021MB (SLO: <39.000MB -5.1%) vs baseline: +5.0%

✅ record-exception

Time: ✅ 63.176ms (SLO: <65.850ms -4.1%) vs baseline: ~same

Memory: ✅ 37.061MB (SLO: <39.000MB -5.0%) vs baseline: +5.0%

✅ set-status

Time: ✅ 31.690ms (SLO: <34.150ms -7.2%) vs baseline: -0.5%

Memory: ✅ 37.080MB (SLO: <39.000MB -4.9%) vs baseline: +5.1%

✅ start

Time: ✅ 28.779ms (SLO: <30.150ms -4.5%) vs baseline: -0.4%

Memory: ✅ 37.002MB (SLO: <39.000MB -5.1%) vs baseline: +4.4%

✅ start-finish

Time: ✅ 33.840ms (SLO: <35.350ms -4.3%) vs baseline: ~same

Memory: ✅ 36.982MB (SLO: <39.000MB -5.2%) vs baseline: +4.9%

✅ start-finish-telemetry

Time: ✅ 33.951ms (SLO: <35.450ms -4.2%) vs baseline: +0.4%

Memory: ✅ 37.041MB (SLO: <39.000MB -5.0%) vs baseline: +4.6%

✅ update-name

Time: ✅ 30.964ms (SLO: <33.400ms -7.3%) vs baseline: +0.2%

Memory: ✅ 37.002MB (SLO: <39.000MB -5.1%) vs baseline: +4.8%

✅ packagespackageforrootmodulemapping - 4/4

✅ cache_off

Time: ✅ 340.657ms (SLO: <354.300ms -3.9%) vs baseline: -0.5%

Memory: ✅ 40.313MB (SLO: <41.500MB -2.9%) vs baseline: +4.3%

✅ cache_on

Time: ✅ 0.380µs (SLO: <10.000µs 📉 -96.2%) vs baseline: -0.4%

Memory: ✅ 38.398MB (SLO: <41.000MB -6.3%) vs baseline: +5.5%

✅ packagesupdateimporteddependencies - 24/24

✅ import_many

Time: ✅ 155.780µs (SLO: <170.000µs -8.4%) vs baseline: +0.8%

Memory: ✅ 39.393MB (SLO: <41.000MB -3.9%) vs baseline: +5.6%

✅ import_many_cached

Time: ✅ 120.625µs (SLO: <130.000µs -7.2%) vs baseline: -0.4%

Memory: ✅ 39.349MB (SLO: <41.000MB -4.0%) vs baseline: +4.8%

✅ import_many_stdlib

Time: ✅ 1.656ms (SLO: <1.750ms -5.4%) vs baseline: +0.5%

Memory: ✅ 39.426MB (SLO: <41.000MB -3.8%) vs baseline: +5.5%

✅ import_many_stdlib_cached

Time: ✅ 0.991ms (SLO: <1.100ms -9.9%) vs baseline: -0.4%

Memory: ✅ 39.485MB (SLO: <41.000MB -3.7%) vs baseline: +5.7%

✅ import_many_unknown

Time: ✅ 835.743µs (SLO: <890.000µs -6.1%) vs baseline: +0.3%

Memory: ✅ 39.413MB (SLO: <41.000MB -3.9%) vs baseline: +5.1%

✅ import_many_unknown_cached

Time: ✅ 794.629µs (SLO: <870.000µs -8.7%) vs baseline: -1.1%

Memory: ✅ 39.433MB (SLO: <41.000MB -3.8%) vs baseline: +4.8%

✅ import_one

Time: ✅ 19.729µs (SLO: <30.000µs 📉 -34.2%) vs baseline: -0.8%

Memory: ✅ 39.299MB (SLO: <41.000MB -4.1%) vs baseline: +5.3%

✅ import_one_cache

Time: ✅ 6.318µs (SLO: <10.000µs 📉 -36.8%) vs baseline: +0.2%

Memory: ✅ 39.292MB (SLO: <41.000MB -4.2%) vs baseline: +5.3%

✅ import_one_stdlib

Time: ✅ 18.773µs (SLO: <20.000µs -6.1%) vs baseline: ~same

Memory: ✅ 39.315MB (SLO: <41.000MB -4.1%) vs baseline: +5.0%

✅ import_one_stdlib_cache

Time: ✅ 6.235µs (SLO: <10.000µs 📉 -37.6%) vs baseline: -1.0%

Memory: ✅ 39.526MB (SLO: <41.000MB -3.6%) vs baseline: +5.6%

✅ import_one_unknown

Time: ✅ 45.517µs (SLO: <50.000µs -9.0%) vs baseline: +0.3%

Memory: ✅ 39.365MB (SLO: <41.000MB -4.0%) vs baseline: +5.7%

✅ import_one_unknown_cache

Time: ✅ 6.296µs (SLO: <10.000µs 📉 -37.0%) vs baseline: +0.1%

Memory: ✅ 39.470MB (SLO: <41.000MB -3.7%) vs baseline: +5.4%

✅ ratelimiter - 12/12

✅ defaults

Time: ✅ 2.367µs (SLO: <10.000µs 📉 -76.3%) vs baseline: +1.4%

Memory: ✅ 34.583MB (SLO: <35.500MB -2.6%) vs baseline: +4.6%

✅ high_rate_limit

Time: ✅ 2.413µs (SLO: <10.000µs 📉 -75.9%) vs baseline: +0.4%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +4.9%

✅ long_window

Time: ✅ 2.353µs (SLO: <10.000µs 📉 -76.5%) vs baseline: -0.8%

Memory: ✅ 34.583MB (SLO: <35.500MB -2.6%) vs baseline: +4.9%

✅ low_rate_limit

Time: ✅ 2.385µs (SLO: <10.000µs 📉 -76.2%) vs baseline: +2.2%

Memory: ✅ 34.544MB (SLO: <35.500MB -2.7%) vs baseline: +4.7%

✅ no_rate_limit

Time: ✅ 0.830µs (SLO: <10.000µs 📉 -91.7%) vs baseline: -0.7%

Memory: ✅ 34.583MB (SLO: <35.500MB -2.6%) vs baseline: +4.7%

✅ short_window

Time: ✅ 2.499µs (SLO: <10.000µs 📉 -75.0%) vs baseline: +0.6%

Memory: ✅ 34.642MB (SLO: <35.500MB -2.4%) vs baseline: +5.3%

✅ recursivecomputation - 8/8

✅ deep

Time: ✅ 309.269ms (SLO: <320.950ms -3.6%) vs baseline: +0.2%

Memory: ✅ 35.409MB (SLO: <36.500MB -3.0%) vs baseline: +4.9%

✅ deep-profiled

Time: ✅ 330.254ms (SLO: <359.150ms -8.0%) vs baseline: -0.2%

Memory: ✅ 39.243MB (SLO: <40.500MB -3.1%) vs baseline: +4.7%

✅ medium

Time: ✅ 7.017ms (SLO: <7.400ms -5.2%) vs baseline: +0.5%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +4.8%

✅ shallow

Time: ✅ 0.943ms (SLO: <1.050ms 📉 -10.2%) vs baseline: +0.1%

Memory: ✅ 34.544MB (SLO: <35.500MB -2.7%) vs baseline: +4.6%

✅ samplingrules - 8/8

✅ average_match

Time: ✅ 136.603µs (SLO: <290.000µs 📉 -52.9%) vs baseline: -0.3%

Memory: ✅ 34.603MB (SLO: <35.500MB -2.5%) vs baseline: +5.2%

✅ high_match

Time: ✅ 174.706µs (SLO: <480.000µs 📉 -63.6%) vs baseline: +0.2%

Memory: ✅ 34.505MB (SLO: <35.500MB -2.8%) vs baseline: +4.6%

✅ low_match

Time: ✅ 99.066µs (SLO: <120.000µs 📉 -17.4%) vs baseline: +0.8%

Memory: ✅ 602.777MB (SLO: <700.000MB 📉 -13.9%) vs baseline: +4.8%

✅ very_low_match

Time: ✅ 2.659ms (SLO: <8.500ms 📉 -68.7%) vs baseline: -0.1%

Memory: ✅ 70.622MB (SLO: <75.000MB -5.8%) vs baseline: +5.0%

✅ sethttpmeta - 32/32

✅ all-disabled

Time: ✅ 10.606µs (SLO: <20.000µs 📉 -47.0%) vs baseline: +1.1%

Memory: ✅ 35.075MB (SLO: <36.000MB -2.6%) vs baseline: +4.8%

✅ all-enabled

Time: ✅ 40.213µs (SLO: <50.000µs 📉 -19.6%) vs baseline: +0.6%

Memory: ✅ 35.075MB (SLO: <36.000MB -2.6%) vs baseline: +4.9%

✅ collectipvariant_exists

Time: ✅ 40.663µs (SLO: <50.000µs 📉 -18.7%) vs baseline: ~same

Memory: ✅ 35.055MB (SLO: <36.000MB -2.6%) vs baseline: +4.9%

✅ no-collectipvariant

Time: ✅ 40.336µs (SLO: <50.000µs 📉 -19.3%) vs baseline: +1.1%

Memory: ✅ 35.075MB (SLO: <36.000MB -2.6%) vs baseline: +5.1%

✅ no-useragentvariant

Time: ✅ 38.885µs (SLO: <50.000µs 📉 -22.2%) vs baseline: +0.6%

Memory: ✅ 35.055MB (SLO: <36.000MB -2.6%) vs baseline: +4.8%

✅ obfuscation-no-query

Time: ✅ 40.734µs (SLO: <50.000µs 📉 -18.5%) vs baseline: +0.7%

Memory: ✅ 34.977MB (SLO: <36.000MB -2.8%) vs baseline: +4.7%

✅ obfuscation-regular-case-explicit-query

Time: ✅ 75.846µs (SLO: <90.000µs 📉 -15.7%) vs baseline: +0.6%

Memory: ✅ 35.095MB (SLO: <36.500MB -3.9%) vs baseline: +3.9%

✅ obfuscation-regular-case-implicit-query

Time: ✅ 76.166µs (SLO: <90.000µs 📉 -15.4%) vs baseline: -0.1%

Memory: ✅ 35.055MB (SLO: <36.500MB -4.0%) vs baseline: +4.4%

✅ obfuscation-send-querystring-disabled

Time: ✅ 154.368µs (SLO: <170.000µs -9.2%) vs baseline: +0.1%

Memory: ✅ 35.468MB (SLO: <36.500MB -2.8%) vs baseline: +5.0%

✅ obfuscation-worst-case-explicit-query

Time: ✅ 148.395µs (SLO: <160.000µs -7.3%) vs baseline: ~same

Memory: ✅ 35.409MB (SLO: <36.500MB -3.0%) vs baseline: +4.7%

✅ obfuscation-worst-case-implicit-query

Time: ✅ 154.705µs (SLO: <170.000µs -9.0%) vs baseline: ~same

Memory: ✅ 35.488MB (SLO: <36.500MB -2.8%) vs baseline: +4.9%

✅ useragentvariant_exists_1

Time: ✅ 39.673µs (SLO: <50.000µs 📉 -20.7%) vs baseline: +0.1%

Memory: ✅ 35.016MB (SLO: <36.000MB -2.7%) vs baseline: +4.7%

✅ useragentvariant_exists_2

Time: ✅ 40.883µs (SLO: <50.000µs 📉 -18.2%) vs baseline: +1.0%

Memory: ✅ 34.996MB (SLO: <36.000MB -2.8%) vs baseline: +4.7%

✅ useragentvariant_exists_3

Time: ✅ 40.203µs (SLO: <50.000µs 📉 -19.6%) vs baseline: +0.3%

Memory: ✅ 35.075MB (SLO: <36.000MB -2.6%) vs baseline: +4.9%

✅ useragentvariant_not_exists_1

Time: ✅ 39.775µs (SLO: <50.000µs 📉 -20.5%) vs baseline: +1.2%

Memory: ✅ 35.036MB (SLO: <36.000MB -2.7%) vs baseline: +4.9%

✅ useragentvariant_not_exists_2

Time: ✅ 39.485µs (SLO: <50.000µs 📉 -21.0%) vs baseline: +0.2%

Memory: ✅ 35.075MB (SLO: <36.000MB -2.6%) vs baseline: +5.1%

✅ span - 26/26

✅ add-event

Time: ✅ 17.324ms (SLO: <22.500ms 📉 -23.0%) vs baseline: +0.5%

Memory: ✅ 36.530MB (SLO: <53.000MB 📉 -31.1%) vs baseline: +4.8%

✅ add-metrics

Time: ✅ 87.423ms (SLO: <93.500ms -6.5%) vs baseline: +0.9%

Memory: ✅ 40.852MB (SLO: <53.000MB 📉 -22.9%) vs baseline: +4.9%

✅ add-tags

Time: ✅ 138.512ms (SLO: <155.000ms 📉 -10.6%) vs baseline: -0.9%

Memory: ✅ 40.482MB (SLO: <53.000MB 📉 -23.6%) vs baseline: +4.7%

✅ get-context

Time: ✅ 15.947ms (SLO: <20.500ms 📉 -22.2%) vs baseline: -0.6%

Memory: ✅ 36.358MB (SLO: <53.000MB 📉 -31.4%) vs baseline: +4.9%

✅ is-recording

Time: ✅ 16.304ms (SLO: <20.500ms 📉 -20.5%) vs baseline: +0.7%

Memory: ✅ 36.259MB (SLO: <53.000MB 📉 -31.6%) vs baseline: +4.8%

✅ record-exception

Time: ✅ 35.615ms (SLO: <40.000ms 📉 -11.0%) vs baseline: +0.8%

Memory: ✅ 36.909MB (SLO: <53.000MB 📉 -30.4%) vs baseline: +4.9%

✅ set-status

Time: ✅ 17.876ms (SLO: <22.000ms 📉 -18.7%) vs baseline: +1.0%

Memory: ✅ 36.259MB (SLO: <53.000MB 📉 -31.6%) vs baseline: +4.7%

✅ start

Time: ✅ 15.942ms (SLO: <20.500ms 📉 -22.2%) vs baseline: +0.1%

Memory: ✅ 36.308MB (SLO: <53.000MB 📉 -31.5%) vs baseline: +4.9%

✅ start-finish

Time: ✅ 51.097ms (SLO: <52.500ms -2.7%) vs baseline: +0.5%

Memory: ✅ 34.564MB (SLO: <35.500MB -2.6%) vs baseline: +4.8%

✅ start-finish-telemetry

Time: ✅ 52.231ms (SLO: <54.500ms -4.2%) vs baseline: -0.9%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +4.7%

✅ start-finish-traceid128

Time: ✅ 54.160ms (SLO: <57.000ms -5.0%) vs baseline: -0.3%

Memory: ✅ 34.662MB (SLO: <35.500MB -2.4%) vs baseline: +4.8%

✅ start-traceid128

Time: ✅ 16.338ms (SLO: <22.500ms 📉 -27.4%) vs baseline: +0.6%

Memory: ✅ 36.483MB (SLO: <53.000MB 📉 -31.2%) vs baseline: +5.1%

✅ update-name

Time: ✅ 16.446ms (SLO: <22.000ms 📉 -25.2%) vs baseline: ~same

Memory: ✅ 36.421MB (SLO: <53.000MB 📉 -31.3%) vs baseline: +4.7%

✅ tracer - 6/6

✅ large

Time: ✅ 29.158ms (SLO: <32.950ms 📉 -11.5%) vs baseline: +0.3%

Memory: ✅ 35.389MB (SLO: <36.500MB -3.0%) vs baseline: +4.5%

✅ medium

Time: ✅ 2.889ms (SLO: <3.200ms -9.7%) vs baseline: +0.2%

Memory: ✅ 34.564MB (SLO: <35.500MB -2.6%) vs baseline: +5.0%

✅ small

Time: ✅ 328.307µs (SLO: <370.000µs 📉 -11.3%) vs baseline: +0.8%

Memory: ✅ 34.623MB (SLO: <35.500MB -2.5%) vs baseline: +5.0%

ℹ️ Scenarios Missing SLO Configuration (9 scenarios)

The following scenarios exist in candidate data but have no SLO thresholds configured:

coreapiscenario-core_dispatch_listeners
coreapiscenario-core_dispatch_no_listeners
coreapiscenario-core_dispatch_with_results_listeners
coreapiscenario-core_dispatch_with_results_no_listeners
djangosimple-baseline
errortrackingdjangosimple-baseline
errortrackingflasksqli-baseline
flasksimple-baseline
flasksqli-baseline

tests/contrib/openai/utils.py

ddtrace/llmobs/_integrations/openai.py

ddtrace/llmobs/_integrations/utils.py

releasenotes/notes/openai-mcp-support-6529a8c07e00a6a1.yaml

tests/contrib/openai/utils.py

ddtrace/contrib/internal/openai/_endpoint_hooks.py

releasenotes/notes/openai-mcp-support-6529a8c07e00a6a1.yaml

Co-authored-by: Yun Kim <35776586+Yun-Kim@users.noreply.github.com>

This reverts commit dfc0715.

ncybul added 2 commits October 24, 2025 15:01

emit tool span for openai mcp tool calls

f272c94

add tests for openai mcp support

38f2376

add release note

56e58c2

add available tools to LLM calls

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ncybul commented Oct 31, 2025

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ncybul added 3 commits October 31, 2025 15:30

run black

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ruff fixes

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ncybul changed the title ~~[MLOB-4258] add support for OpenAI server-side MCP calls~~ feat(llmobs): [MLOB-4258] add support for OpenAI server-side MCP calls Oct 31, 2025

ncybul added 2 commits November 17, 2025 09:27

move tagging logic to openai integration

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Merge branch 'main' into nicole-cybul/openai-mcp-support

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ncybul marked this pull request as ready for review November 17, 2025 14:52

ncybul requested review from a team as code owners November 17, 2025 14:52

ncybul requested review from Kyle-Verhoog and brettlangdon November 17, 2025 14:52

run black

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Yun-Kim reviewed Nov 17, 2025

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ncybul added 6 commits November 17, 2025 15:04

add tool ID to metadata and simplify span kind logic

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update release note and mock method name

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simplify mock response for mcp tool calls

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move mcp tool tracing to contrib folder

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run black

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run ruff

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Yun-Kim reviewed Nov 20, 2025

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create tool span before extracting data from message

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Yun-Kim approved these changes Nov 21, 2025

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ncybul and others added 6 commits November 21, 2025 08:20

Update releasenotes/notes/openai-mcp-support-6529a8c07e00a6a1.yaml

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Co-authored-by: Yun Kim <35776586+Yun-Kim@users.noreply.github.com>

Merge branch 'main' into nicole-cybul/openai-mcp-support

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change tool span name

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This reverts commit dfc0715.

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ncybul merged commit a14402e into main Nov 21, 2025
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ncybul deleted the nicole-cybul/openai-mcp-support branch November 21, 2025 17:56

feat(llmobs): [MLOB-4258] add support for OpenAI server-side MCP calls #15057

feat(llmobs): [MLOB-4258] add support for OpenAI server-side MCP calls #15057

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Description

Manual Testing

Before

After

Tool Calls and Tool Results are highlighted:

Available Tools from the MCP server are captured:

Separate tool span is emitted:

Risks

Additional Notes

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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

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