New Profiling API

[morrisonlevi]

Work in Progress

This PR is a giant work in progress. It's huge by design and not really ready for review. .NET will be doing a PoC soon with it and I'm doing a PoC in PHP as I write it. After that, we'll be ready for review.

---

What does this PR do?

A brief description of the change being made with this pull request.

Motivation

What inspired you to submit this pull request?

Additional Notes

Anything else we should know when reviewing?

How to test the change?

Describe here in detail how the change can be validated.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 45.62235% with 2180 lines in your changes missing coverage. Please review.
✅ Project coverage is 69.25%. Comparing base (0b59f64) to head (4c5b99c).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1202      +/-   ##
==========================================
- Coverage   71.66%   69.25%   -2.42%     
==========================================
  Files         355      365      +10     
  Lines       56312    54586    -1726     
==========================================
- Hits        40358    37803    -2555     
- Misses      15954    16783     +829     

Components	Coverage Δ
datadog-crashtracker	49.33% <ø> (+0.04%)	⬆️
datadog-crashtracker-ffi	5.93% <ø> (ø)
datadog-alloc	98.72% <100.00%> (-0.01%)	⬇️
data-pipeline	90.68% <ø> (+0.23%)	⬆️
data-pipeline-ffi	88.19% <ø> (ø)
ddcommon	83.85% <ø> (-0.45%)	⬇️
ddcommon-ffi	73.51% <ø> (-0.33%)	⬇️
ddtelemetry	59.98% <ø> (-0.04%)	⬇️
ddtelemetry-ffi	21.24% <ø> (ø)
dogstatsd-client	83.26% <ø> (ø)
datadog-ipc	82.39% <ø> (-0.11%)	⬇️
datadog-profiling	53.45% <45.54%> (-23.45%)	⬇️
datadog-profiling-ffi	54.61% <41.89%> (-7.51%)	⬇️
datadog-sidecar	37.06% <ø> (-0.13%)	⬇️
datdog-sidecar-ffi	11.28% <ø> (-0.59%)	⬇️
spawn-worker	55.35% <ø> (ø)
tinybytes	92.22% <ø> (ø)
datadog-trace-normalization	98.24% <ø> (ø)
datadog-trace-obfuscation	94.17% <ø> (ø)
datadog-trace-protobuf	59.65% <ø> (ø)
datadog-trace-utils	89.77% <ø> (ø)
datadog-tracer-flare	56.08% <ø> (+1.55%)	⬆️
datadog-log	76.31% <ø> (ø)

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[datadog-datadog-prod-us1]

✅ Tests

🎉 All green!

❄️ No new flaky tests detected
🧪 All tests passed

_{This comment will be updated automatically if new data arrives.
🔗 Commit SHA: 0915322 | Docs | Was this helpful? Give us feedback!}