RFR: 8304033: JFR: Missing thread

[Markus Grönlund]

Greetings,

please help review this small adjustment to fix the lack of thread information in certain situations, more specifically associated with JNI_AttachThread and JNI_DetachThread. The old site posting a thread start event is correct in getting the correct thread id, but the thread does not write its checkpoint at that location, which is required after JFR Event Streaming.

The fix is to let the sites in jni.cpp go through the "normal" thread start entry point.

Testing: jdk_jfr

Thanks
Markus

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Commit messages:
 - 8304033

Changes: https://git.openjdk.org/jdk/pull/13272/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13272&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8304033
  Stats: 25 lines in 1 file changed: 3 ins; 20 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/13272.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13272/head:pull/13272

PR: https://git.openjdk.org/jdk/pull/13272