On Tue, 18 Jun 2024 11:11:12 GMT, Alan Bateman <al...@openjdk.org> wrote:

>> Inigo Mediavilla Saiz has updated the pull request incrementally with one 
>> additional commit since the last revision:
>> 
>>   Improve assert and document conditional print
>
> I looked at the changes in the latest revision (9a954efe) and they look okay, 
> it basically skips printing the mounted virtual thread when that virtual 
> thread is interacting with the scheduler or timer mechanism, the so called 
> "temporary transitions" that are needed to ensure the correct identity when 
> submitting tasks to the scheduler, and to avoid deadlock when submitting 
> tasks to the scheduler requires locking. It also changes the test so testing 
> with JTREG_TEST_THREAD_FACTORY=Virtual won't observe the dummy thread in a 
> temporary transition.
> 
> We can improve on this in the loom repo as JavaThread has the thread ID of 
> the mounted virtual thread. Note that the pre-existing "Carrying ..." line 
> has the same issue as we've been discussing here, it just hasn't been noticed 
> perhaps.
> 
> One thing that I think we should do is remove the thread name from the 
> "Mounted ..." line. I initially thought this was a good idea but there is no 
> reference to this when a virtual thread is mounted and interacting with the 
> scheduler. Virtual threads don't have a name by default so it's not a big a 
> loss as you might think. We can of course re-visit this in the future.

Thanks again ! @AlanBateman @dholmes-ora, I've responded to your latest 
comments and incorporated your latest suggestions.

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PR Comment: https://git.openjdk.org/jdk/pull/19744#issuecomment-2176105017

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