Support ApmTracingMulticonfig in dynamic config

[bwoebi]

RFC: https://docs.google.com/document/d/1J4azr17gJQipGhyWIWuBArkhe1UfStKx7XZRmjqjhqQ/edit?tab=t.b22x9owvguir#heading=h.4ri1ilwwn02m

[datadog-official]

⚠️ Tests

✨ Fix all issues with BitsAI or with Cursor

⚠️ Warnings

🧪 9 Tests failed

ext/openssl/tests/bug74796.phpt (Bug #74796: TLS encryption fails behind HTTP proxy) from php.ext.openssl.tests     (Fix with Cursor)

001- string(19) "Hello from server 0"
002- NULL
003- string(19) "Hello from server 1"
004- NULL
005- string(19) "Hello from server 2"
006- NULL
007- cs.php.net
008- uk.php.net
009- us.php.net
002+ error:0A000086:SSL routines::certificate verify failed in /usr/local/src/php/ext/openssl/tests/ServerClientTestCase.inc(191) : eval()'d code on line 15
...

ext/openssl/tests/sni_server_key_cert.phpt (sni_server with separate pk and cert) from php.ext.openssl.tests     (Fix with Cursor)

001- string(%d) "cs.php.net"
002- string(%d) "uk.php.net"
003- string(%d) "us.php.net"
002+ error:0A000086:SSL routines::certificate verify failed in /usr/local/src/php/ext/openssl/tests/ServerClientTestCase.inc(191) : eval()'d code on line 9
003+ 
005+ 
007+ 
009+ 
010+ Deprecated: openssl_x509_parse(): Passing null to parameter #1 ($certificate) of type OpenSSLCertificate|string is deprecated in /usr/local/src/php/ext/openssl/tests/ServerClientTestCase.inc(191) : eval()'d code on line 11
011+ 
...

ext/openssl/tests/sni_server.phpt (sni_server) from php.ext.openssl.tests     (Fix with Cursor)

001- string(%d) "cs.php.net"
002- string(%d) "uk.php.net"
003- string(%d) "us.php.net"
002+ error:0A000086:SSL routines::certificate verify failed in /usr/local/src/php/ext/openssl/tests/ServerClientTestCase.inc(191) : eval()'d code on line 9
003+ 
005+ 
007+ 
009+ 
010+ Deprecated: openssl_x509_parse(): Passing null to parameter #1 ($certificate) of type OpenSSLCertificate|string is deprecated in /usr/local/src/php/ext/openssl/tests/ServerClientTestCase.inc(191) : eval()'d code on line 11
011+ 
...

View all

ℹ️ Info

No other issues found (see more)

❄️ No new flaky tests detected

🎯 Code Coverage (details)
• Patch Coverage: 100.00%
• Overall Coverage: 60.64% (-0.04%)

_{This comment will be updated automatically if new data arrives.
🔗 Commit SHA: 97f1787 | Docs | Datadog PR Page | Was this helpful? React with 👍/👎 or give us feedback!}

[pr-commenter]

Benchmarks [ tracer ]

Benchmark execution time: 2026-04-03 16:46:38

Comparing candidate commit 97f1787 in PR branch bob/multi_conf with baseline commit 5bc467b in branch master.

Found 12 performance improvements and 0 performance regressions! Performance is the same for 182 metrics, 0 unstable metrics.

scenario:ComposerTelemetryBench/benchTelemetryParsing

• 🟩 execution_time [-4.738µs; -3.862µs] or [-24.808%; -20.219%]

scenario:ComposerTelemetryBench/benchTelemetryParsing-opcache

• 🟩 execution_time [-4.820µs; -3.580µs] or [-23.743%; -17.636%]

scenario:MessagePackSerializationBench/benchMessagePackSerialization-opcache

• 🟩 execution_time [-5.263µs; -2.757µs] or [-4.726%; -2.476%]

scenario:PDOBench/benchPDOOverhead

• 🟩 execution_time [-10.492µs; -7.389µs] or [-4.251%; -2.994%]

scenario:PDOBench/benchPDOOverhead-opcache

• 🟩 execution_time [-9.193µs; -6.492µs] or [-3.745%; -2.645%]

scenario:PDOBench/benchPDOOverheadWithDBM

• 🟩 execution_time [-8.674µs; -6.395µs] or [-3.527%; -2.601%]

scenario:PDOBench/benchPDOOverheadWithDBM-opcache

• 🟩 execution_time [-8.766µs; -6.123µs] or [-3.581%; -2.502%]

scenario:PHPRedisBench/benchRedisOverhead

• 🟩 execution_time [-57.172µs; -36.756µs] or [-5.807%; -3.733%]

scenario:PHPRedisBench/benchRedisOverhead-opcache

• 🟩 execution_time [-51.184µs; -35.161µs] or [-5.042%; -3.464%]

scenario:SpanBench/benchDatadogAPI

• 🟩 execution_time [-3.981µs; -2.210µs] or [-5.896%; -3.273%]

scenario:SpanBench/benchDatadogAPI-opcache

• 🟩 execution_time [-3.137µs; -2.409µs] or [-4.653%; -3.573%]

scenario:SpanBench/benchOpenTelemetryAPI

• 🟩 execution_time [-33.886µs; -19.272µs] or [-4.521%; -2.571%]