track ddtrace native threads

[taegyunkim]

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/internal/_threads.cpp                                           @DataDog/apm-core-python
ddtrace/internal/_threads.pyi                                           @DataDog/apm-core-python
tests/profiling_v2/collector/test_stack.py                              @DataDog/profiling-python

[github-actions]

Bootstrap import analysis

Comparison of import times between this PR and base.

Summary

The average import time from this PR is: 233 ± 3 ms.

The average import time from base is: 235 ± 3 ms.

The import time difference between this PR and base is: -1.1 ± 0.1 ms.

Import time breakdown

The following import paths have shrunk:

ddtrace.auto 1.930 ms (0.83%)

ddtrace.bootstrap.sitecustomize 1.261 ms (0.54%)

ddtrace.bootstrap.preload 1.261 ms (0.54%)

ddtrace.internal.products 1.261 ms (0.54%)

ddtrace.internal.remoteconfig.client 0.613 ms (0.26%)

ddtrace 0.669 ms (0.29%)

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-04-23 20:47:38

Comparing candidate commit d0cdd0a in PR branch taegyunkim/stack-v2-ddtrace-threads with baseline commit 064f872 in branch main.

Found 0 performance improvements and 1 performance regressions! Performance is the same for 499 metrics, 8 unstable metrics.

scenario:iast_aspects-upper_aspect

• 🟥 execution_time [+184.636ns; +238.177ns] or [+8.076%; +10.417%]

[github-actions]

This pull request has been automatically closed after a period of inactivity.
After this much time, it will likely be easier to open a new pull request with the
same changes than to update this one from the base branch. Please comment or reopen
if you think this pull request was closed in error.