RFR: 8371502: serviceability/jvmti/vthread/ThreadListStackTracesTest/ThreadListStackTracesTest.java failing [v2]

[Serguei Spitsyn]

On Thu, 11 Dec 2025 00:54:38 GMT, Leonid Mesnik <lmesnik at openjdk.org> wrote:

>> Serguei Spitsyn has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   minor correction for sleep
>
> test/hotspot/jtreg/serviceability/jvmti/vthread/ThreadListStackTracesTest/ThreadListStackTracesTest.java line 100:
> 
>> 98:         TestTask task = new ReentrantLockTestTask();
>> 99:         Thread vt = Thread.ofVirtual().name(name).start(task);
>> 100:         TestTask.sleep(50); // allow potentially needed class loading to complete
> 
> The  just sleep might be unreliable.
> 
> Would it makes sense to wait until `lock.hasQueuedThreads()` becomes true?
> 
> If 'hasQueuedThreads' doesn't work then makes to pre-load classes used by lock before running test.

Nice suggestion, thanks! It is working. Update now.

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PR Review Comment: https://git.openjdk.org/jdk/pull/28734#discussion_r2608900674