feat: Adopt ThreadLocal for storing ProfiledThread#626

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zgu/profiled_thread_priming

zhengyu123 commented Jul 2, 2026

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What does this PR do?:

Motivation:

Additional Notes:

How to test the change?:

For Datadog employees:

If this PR touches code that signs or publishes builds or packages, or handles
credentials of any kind, I've requested a security review (run the dd:platform-security-review
skill, or file a request via the PSEC review form).
bewaire also runs automatically on every PR.
This PR doesn't touch any of that.
JIRA: [JIRA-XXXX]

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zhengyu123 and others added 30 commits

June 24, 2026 19:22

v0

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          Merge branch 'main' into zgu/objmonitor_deflation

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v2

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v3

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          Remove dependency on java_thread.exception field to setup longjmp con…

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v4

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          typo and etc.

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v5

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v6

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v7

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v8

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          Merge

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          Fix merege

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          assert and cast

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          Chaining jmp_buf and thread.h/cpp->threadLocalData.h/cpp

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          Merge

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          Cleanup/chaining jmp_buf/test cases

Fix

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zhengyu123 and others added 13 commits

July 2, 2026 09:13


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          Cleanup - staled comments and dead code

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v0

153fdd7

datadog-datadog-us1-prod Bot commented Jul 2, 2026 •

edited by datadog-prod-us1-4 Bot

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✨ Fix all issues with BitsAI

⚠️ Warnings

🚦 27 Pipeline jobs failed

CI Run | test-matrix / test-linux-glibc-amd64 (11-j9, debug)

CI Run | test-matrix / test-linux-glibc-amd64 (17, debug)

CI Run | test-matrix / test-linux-glibc-amd64 (21, debug)

View all 27 failed jobs.

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dd-octo-sts Bot commented Jul 2, 2026 •

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CI Test Results

Run: #28622973063 | Commit: 85078a3 | Duration: 12m 4s (longest job)

❌ 23 of 32 test jobs failed

Status Overview

JDK	glibc-aarch64/debug	glibc-amd64/debug	musl-aarch64/debug	musl-amd64/debug
8	-	❌	-	-
8-ibm	-	❌	-	-
8-j9	✅	❌	-	-
8-librca	-	-	❌	❌
8-orcl	-	❌	-	-
11	-	❌	-	-
11-j9	✅	❌	-	-
11-librca	-	-	❌	❌
17	✅	❌	-	-
17-graal	✅	❌	-	-
17-j9	✅	❌	-	-
17-librca	-	-	❌	❌
21	✅	❌	-	-
21-graal	✅	❌	-	-
21-librca	-	-	❌	❌
25	✅	❌	-	-
25-graal	✅	❌	-	-
25-librca	-	-	❌	❌

Legend: ✅ passed | ❌ failed | ⚪ skipped | 🚫 cancelled

Failed Tests

musl-amd64/debug / 21-librca

Job: View logs

No detailed failure information available. Check the job logs.

musl-aarch64/debug / 11-librca

Job: View logs

No detailed failure information available. Check the job logs.

musl-amd64/debug / 17-librca

Job: View logs

No detailed failure information available. Check the job logs.

musl-aarch64/debug / 8-librca

Job: View logs

No detailed failure information available. Check the job logs.

musl-aarch64/debug / 21-librca

Job: View logs

No detailed failure information available. Check the job logs.

musl-amd64/debug / 25-librca

Job: View logs

No detailed failure information available. Check the job logs.

musl-amd64/debug / 8-librca

Job: View logs

No detailed failure information available. Check the job logs.

musl-aarch64/debug / 25-librca

Job: View logs

No detailed failure information available. Check the job logs.

musl-amd64/debug / 11-librca

Job: View logs

No detailed failure information available. Check the job logs.

musl-aarch64/debug / 17-librca

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 11

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 8

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 11-j9

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 8-j9

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 21-graal

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 25-graal

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 25

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 17

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 8-orcl

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 17-graal

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 17-j9

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 8-ibm

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 21

Job: View logs

No detailed failure information available. Check the job logs.

Summary: Total: 32 | Passed: 9 | Failed: 23

Updated: 2026-07-02 21:49:30 UTC

zhengyu123 and others added 2 commits

July 2, 2026 15:36


          Allows thread to exit inside CriticalSection

966c2ea


          Merge branch 'main' into zgu/profiled_thread_priming

4df3414

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