RFR: 8373127: Update nsk/monitoring tests to support virtual thread factory testing

[Alan Bateman]

On Fri, 5 Dec 2025 09:12:55 GMT, Kevin Walls <kevinw at openjdk.org> wrote:

>> Please review following fix that adjust expected results for nsk/monitoring tests if they are executed with virtual threads or mark them as incompatible.
>> 
>> The ThreadInfo is not returned for virtual threads and some bean functions return -1.
>> 
>> Tested by running nsk/monitoring with JTREG_TEST_THREAD_FACTORY=Virtual
>
> test/hotspot/jtreg/vmTestbase/nsk/monitoring/ThreadMXBean/GetThreadAllocatedBytes/BaseBehaviorTest.java line 78:
> 
>> 76:         if (Thread.currentThread().isVirtual()) {
>> 77:             if (result != -1)
>> 78:                 throw new TestFailure("Failure! ggetThreadAllocatedBytes(id) should "
> 
> gget typo

Just an FYI that test/jdk/com/sun/management/ThreadMXBean/VirtualThreads.testGetCurrentThreadAllocatedBytes also tests the same thing.

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PR Review Comment: https://git.openjdk.org/jdk/pull/28673#discussion_r2591967408