[PROF-15190]: DRAFT - add initial heap profiling crates

[scottgerring]

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Not ready for review!

What does this PR do?

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Motivation

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Additional Notes

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[datadog-prod-us1-4]

✨ Fix all issues with BitsAI

⚠️ Warnings

🚦 22 Pipeline jobs failed

Coverage | coverage     

Lint | Presence of licence headers     

Lint | Valid LICENSE-3rdparty.csv     

View all 22 failed jobs.

Useful? React with 👍 / 👎

_{This comment will be updated automatically if new data arrives.
🔗 Commit SHA: 11cf066 | Docs | Datadog PR Page | Give us feedback!}

[github-actions]

📚 Documentation Check Results

⚠️ 180 documentation warning(s) found

📦 libdd-heap-allocator - 1 warning(s)

📦 libdd-heap-gotter-ffi - 177 warning(s)

📦 libdd-heap-gotter - 1 warning(s)

📦 libdd-heap-sampler - 1 warning(s)

---

Updated: 2026-06-26 14:39:48 UTC | Commit: 052c224 | missing-docs job results

[github-actions]

Clippy Allow Annotation Report

Comparing clippy allow annotations between branches:

• Base Branch: origin/main
• PR Branch: origin/sgg/heap-prof-poc

Summary by Rule

Rule	Base Branch	PR Branch	Change

Annotation Counts by File

File	Base Branch	PR Branch	Change

Annotation Stats by Crate

Crate	Base Branch	PR Branch	Change
clippy-annotation-reporter	5	5	No change (0%)
datadog-ffe-ffi	1	1	No change (0%)
datadog-ipc	22	22	No change (0%)
datadog-live-debugger	4	4	No change (0%)
datadog-live-debugger-ffi	10	10	No change (0%)
datadog-profiling-replayer	4	4	No change (0%)
datadog-sidecar	45	45	No change (0%)
libdd-common	13	13	No change (0%)
libdd-common-ffi	12	12	No change (0%)
libdd-data-pipeline	6	6	No change (0%)
libdd-ddsketch	2	2	No change (0%)
libdd-dogstatsd-client	1	1	No change (0%)
libdd-profiling	13	13	No change (0%)
libdd-remote-config	3	3	No change (0%)
libdd-telemetry	20	20	No change (0%)
libdd-tinybytes	4	4	No change (0%)
libdd-trace-normalization	2	2	No change (0%)
libdd-trace-obfuscation	3	3	No change (0%)
libdd-trace-stats	1	1	No change (0%)
libdd-trace-utils	11	11	No change (0%)
Total	182	182	No change (0%)

About This Report

This report tracks Clippy allow annotations for specific rules, showing how they've changed in this PR. Decreasing the number of these annotations generally improves code quality.

[github-actions]

🔒 Cargo Deny Results

✅ No issues found!

📦 libdd-heap-allocator - ✅ No issues

📦 libdd-heap-gotter-ffi - ✅ No issues

📦 libdd-heap-gotter - ✅ No issues

📦 libdd-heap-sampler - ✅ No issues

---

Updated: 2026-06-26 14:39:51 UTC | Commit: 052c224 | dependency-check job results