refactor(telemetry): add span component to the telemetry metrics

[wantsui]

There's no way to tell which integrations are in use, so this PR attempts to fix that, some refactoring was done based on the improvements in https://github.com/DataDog/dd-trace-py/pull/12738/files .

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/_trace/processor/__init__.py                                    @DataDog/apm-sdk-api-python
tests/telemetry/test_telemetry_metrics_e2e.py                           @DataDog/apm-python
tests/tracer/test_processors.py                                         @DataDog/apm-sdk-api-python

[datadog-dd-trace-py-rkomorn]

Datadog Report

Branch report: wantsui/add-component-telemetry
Commit report: d2ed9d5
Test service: dd-trace-py

✅ 0 Failed, 130 Passed, 1184 Skipped, 1m 43.77s Total Time

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-06-06 20:01:10

Comparing candidate commit dd2c178 in PR branch wantsui/add-component-telemetry with baseline commit 0a2688a in branch main.

Found 0 performance improvements and 3 performance regressions! Performance is the same for 554 metrics, 7 unstable metrics.

scenario:iastaspectsospath-ospathjoin_aspect

• 🟥 execution_time [+772.006ns; +888.301ns] or [+12.534%; +14.422%]

scenario:iastaspectsospath-ospathnormcase_aspect

• 🟥 execution_time [+350.198ns; +432.980ns] or [+10.199%; +12.610%]

scenario:iastaspectsospath-ospathsplit_aspect

• 🟥 execution_time [+627.642ns; +814.924ns] or [+12.948%; +16.812%]

[github-actions]

Bootstrap import analysis

Comparison of import times between this PR and base.

Summary

The average import time from this PR is: 275 ± 3 ms.

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

The import time difference between this PR and base is: -5.3 ± 0.2 ms.

Import time breakdown

The following import paths have shrunk:

ddtrace.auto 2.301 ms (0.84%)

ddtrace.bootstrap.sitecustomize 1.547 ms (0.56%)

ddtrace.bootstrap.preload 1.547 ms (0.56%)

ddtrace.internal.remoteconfig.client 0.712 ms (0.26%)

ddtrace 0.754 ms (0.27%)

ddtrace.internal._unpatched 0.096 ms (0.03%)

subprocess 0.072 ms (0.03%)

selectors 0.072 ms (0.03%)

[brettlangdon]

minor nit