feat(tracer): add configuration for connection mode

[Leiyks]

Description

Reviewer checklist

• Test coverage seems ok.
• Appropriate labels assigned.

[datadog-official]

⚠️ Tests

✨ Fix all issues with BitsAI or with Cursor

⚠️ Warnings

🧪 1071 Tests failed

    ❄️ Known flaky: testCommandWithArgument from cakephp-28-test.DDTrace\Tests\Integrations\CLI\CakePHP\V2_8\CommonScenariosTest (Fix with Cursor)

    ❄️ Known flaky: testCommandWithNoArguments from cakephp-28-test.DDTrace\Tests\Integrations\CLI\CakePHP\V2_8\CommonScenariosTest (Fix with Cursor)

❄️ Known flaky: testCommandWithArgument from cakephp-310-test.DDTrace\Tests\Integrations\CLI\CakePHP\V3_10\CommonScenariosTest (Datadog) (Fix with Cursor)

DDTrace\Tests\Integrations\CLI\CakePHP\V3_10\CommonScenariosTest::testCommandWithArgument
TypeError: Argument 1 passed to DDTrace\Tests\Common\SpanChecker::DDTrace\Tests\Common\{closure}() must be of the type array, string given

tests/Common/SpanChecker.php:599
tests/Common/SpanChecker.php:601
tests/Common/SpanChecker.php:346
tests/Common/SpanAssertionTrait.php:19
tests/Common/IntegrationTestCase.php:197
tests/Integrations/CLI/CakePHP/V3_10/CommonScenariosTest.php:51
tests/Common/RetryTraitVersionGeneric.php:28
...

View all

ℹ️ Info

❄️ No new flaky tests detected

_{This comment will be updated automatically if new data arrives.
🔗 Commit SHA: e4a603a | Docs | Datadog PR Page | Was this helpful? Give us feedback!}

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 62.11%. Comparing base (a9caaa0) to head (e4a603a).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3573      +/-   ##
==========================================
- Coverage   62.21%   62.11%   -0.11%     
==========================================
  Files         141      141              
  Lines       13387    13387              
  Branches     1753     1753              
==========================================
- Hits         8329     8315      -14     
- Misses       4260     4273      +13     
- Partials      798      799       +1     

see 3 files with indirect coverage changes

---

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[pr-commenter]

Benchmarks [ tracer ]

Benchmark execution time: 2026-02-18 15:38:40

Comparing candidate commit e4a603a in PR branch leiyks/sidecar-threaded-fallback with baseline commit a9caaa0 in branch master.

Found 2 performance improvements and 0 performance regressions! Performance is the same for 192 metrics, 0 unstable metrics.

scenario:ComposerTelemetryBench/benchTelemetryParsing-opcache

• 🟩 execution_time [-1461.968ns; -538.032ns] or [-10.829%; -3.985%]

scenario:MessagePackSerializationBench/benchMessagePackSerialization-opcache

• 🟩 execution_time [-6.358µs; -4.302µs] or [-5.695%; -3.853%]

[pr-commenter]

Benchmarks [ profiler ]

Benchmark execution time: 2026-01-14 16:24:26

Comparing candidate commit 05ebcae in PR branch leiyks/sidecar-threaded-fallback with baseline commit 88a859c in branch master.

Found 0 performance improvements and 2 performance regressions! Performance is the same for 28 metrics, 6 unstable metrics.

scenario:php-profiler-timeline-memory-with-profiler-and-timeline

• 🟥 cpu_user_time [+36.124ms; +78.620ms] or [+2.324%; +5.058%]
• 🟥 execution_time [+32.293ms; +51.335ms] or [+2.645%; +4.204%]