[jdk21u-dev] RFR: 8347434: Richer VM operations events logging

Wed Sep 10 00:46:03 UTC 2025

A clean backport of https://bugs.openjdk.org/browse/JDK-8347434.

This patch adds information of whether the operation is at safepoint. Sample log see: https://github.com/openjdk/jdk/pull/23039#issuecomment-2582924941.

In tip for ~5 months. Log changes. Low risks.

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Commit messages:
 - Backport 85fdd2cc12660bef0d4334ef96afe1865ddd0c38

Changes: https://git.openjdk.org/jdk21u-dev/pull/2168/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2168&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8347434
  Stats: 11 lines in 1 file changed: 0 ins; 0 del; 11 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2168.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2168/head:pull/2168

PR: https://git.openjdk.org/jdk21u-dev/pull/2168