Normalize sample rates to 0..1

[bwoebi]

Avoiding bad knuth hash computation etc.

[datadog-prod-us1-5]

 

✨ Fix all issues with BitsAI

⚠️ Warnings

🚦 9 Pipeline jobs failed

DataDog/apm-reliability/dd-trace-php | ASAN test_c: [8.0, arm64]     

🔧 Fix in code (Fix with Cursor).

7 failed tests including 'get_loaded_remote_configs' and 'get_agent_info' in shm_data_internal_fns.phpt.

DataDog/apm-reliability/dd-trace-php | min install tests     

🔧 Fix in code (Fix with Cursor).

3 tests failed: get_loaded_remote_configs, get_agent_info, and get_agent_sampling_config return incorrect content in shm_data_internal_fns.phpt, debugger_span_probe_class.phpt, and fleet_config.phpt.

DataDog/apm-reliability/dd-trace-php | test_extension_ci: [8.5]     

🔧 Fix in code (Fix with Cursor).

2 tests failed: 'Test dynamic config update' and 'Installing a live debugger span decoration probe'. Evaluation errors for probe id 2: Could not fetch index "val" on arg (evaluated to [foo => (stdClass){var: 2}]).

View all 9 failed jobs.

⌛ 1 Test performance regression detected

testCategory from tests/Integrations/WordPress/V6_1.DDTrace\Tests\Integrations\WordPress\V6_1\PathParamsTest — 14.11s (+13.05s, +1237%)  

ℹ️ Info

No other issues found (see more)

🧪 All tests passed
❄️ No new flaky tests detected

🎯 Code Coverage (details)
• Patch Coverage: 100.00%
• Overall Coverage: 60.74% (-0.01%)

Useful? React with 👍 / 👎

_{This comment will be updated automatically if new data arrives.
🔗 Commit SHA: 9b043e7 | Docs | Datadog PR Page | Give us feedback!}

[pr-commenter]

Benchmarks [ tracer ]

Benchmark execution time: 2026-05-28 14:57:53

Comparing candidate commit 9b043e7 in PR branch bob/sampling-bounds with baseline commit 217e1c7 in branch master.

Found 0 performance improvements and 1 performance regressions! Performance is the same for 193 metrics, 0 unstable metrics.

scenario:PHPRedisBench/benchRedisOverhead

• 🟥 execution_time [+41.455µs; +53.818µs] or [+4.323%; +5.613%]