test(profiling): add function name length tests

[realFlowControl]

Description

Re-adds the tests that got removed in #3570 and fixes the linking problem. You may review commit by commit.

Reviewer checklist

• Test coverage seems ok.
• Appropriate labels assigned.

[datadog-official]

⚠️ Tests

✨ Fix all issues with Cursor

⚠️ Warnings

🧪 25 Tests failed

    testSearchPhpBinaries from integration.DDTrace\Tests\Integration\PHPInstallerTest (Fix with Cursor)

    testSimplePushAndProcess from laravel-58-test.DDTrace\Tests\Integrations\Laravel\V5_8\QueueTest (Fix with Cursor)

testSimplePushAndProcess from laravel-8x-test.DDTrace\Tests\Integrations\Laravel\V8_x\QueueTest (Datadog) (Fix with Cursor)

DDTrace\Tests\Integrations\Laravel\V8_x\QueueTest::testSimplePushAndProcess
Test code or tested code printed unexpected output: spanLinksTraceId: 696e5bfd00000000efd74cc49aa12d12
tid: 696e5bfd00000000
hexProcessTraceId: efd74cc49aa12d12
hexProcessSpanId: 500467e6ca2b62ca
processTraceId: 17282366502349122834
processSpanId: 5765847663873057482

View all

ℹ️ Info

❄️ No new flaky tests detected

_{This comment will be updated automatically if new data arrives.
🔗 Commit SHA: 4b1acc1 | 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 62.00%. Comparing base (269b7df) to head (4b1acc1).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3571      +/-   ##
==========================================
- Coverage   62.01%   62.00%   -0.01%     
==========================================
  Files         140      140              
  Lines       13309    13309              
  Branches     1762     1762              
==========================================
- Hits         8253     8252       -1     
- Misses       4268     4269       +1     
  Partials      788      788              

see 1 file with indirect coverage changes

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[pr-commenter]

Benchmarks [ profiler ]

Benchmark execution time: 2026-01-19 16:31:04

Comparing candidate commit 4b1acc1 in PR branch florian/function-name-length-tests with baseline commit 269b7df in branch master.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 30 metrics, 6 unstable metrics.

[morrisonlevi]

Hey, I added a commit to make a zend_string_alloc equivalent helper and then nudge it closer to what the engine really does. Please check it out before merging. Rest looks good to me! We're hitting the rate limit but these were passing before, I can't see how I messed them up.

#2 ERROR: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/datadog/dd-appsec-php-ci/manifests/sha256:15a9e23372df35fbb9c587ef7d3ec69be4b134be9742e108a70999f081e75e53: 429 Too Many Requests - Server message: toomanyrequests: You have reached your unauthenticated pull rate limit. https://www.docker.com/increase-rate-limit