Integrated: 8316233: VirtualThreadStart events should not be thread-filtered

[Serguei Spitsyn]

On Mon, 2 Oct 2023 23:11:01 GMT, Serguei Spitsyn <sspitsyn at openjdk.org> wrote:

> The JVMTI VirtualThreadStart events have to follow the ThreadStart events pattern and so, should not be thread-filtered.
> The fix includes:
>  - `jvmti.xml`: remov the attribute `filtered="thread"` in the `VirtuallThreadStart` event spec
>  - `jvmtiEventController.cpp`: remove the `VTHREAD_START_BIT` from the `THREAD_FILTERED_EVENT_BITS` mask and and it to the `NEED_THREAD_LIFE_EVENTS` mask
>  - `jvmtiExport.cpp`: rearrangements in the `JvmtiExport::post_vthread_start()` function
> 
> The fix also includes a couple of minor unification tweaks:
>  - to align `JvmtiExport::post_thread_end()` with `JvmtiExport::post_vthread_end()` to have a unified check for the `JVMTI_PHASE_PRIMORDIAL`.
>  -  to rename the local variable `cur_thread` as `thread` to follow the common pattern in `JvmtiExport::post_vthread_start()` and `JvmtiExport::post_vthread_end()`
>  
>  Testing: ran mach5 tiers 1-6. All tests are passed.

This pull request has now been integrated.

Changeset: d3139159
Author:    Serguei Spitsyn <sspitsyn at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/d31391597433cf275fc615e0148c48c34acf6e11
Stats:     32 lines in 3 files changed: 7 ins; 10 del; 15 mod

8316233: VirtualThreadStart events should not be thread-filtered

Reviewed-by: lmesnik, amenkov, cjplummer

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PR: https://git.openjdk.org/jdk/pull/16019