Spark not tracking virtual threads

Description

Code running in virtual threads is ignored by spark

Reproduction Steps

Run heavy code in virtual threads and use spark sampler --thread *, nothing shows up.

Expected Behaviour

it should show virtual threads, perhaps all grouped as one thread like netty threads are.

Platform Information

• Minecraft Version: 1.21.5 (latest paper)
• Platform Type: Server
• Platform Brand: Paper
• Platform Version: 1.21.5 (latest paper)

Spark Version

v.1.10.133

Logs and Configs

No response

Extra Details

No response

[jtJava]

They show up as a ForkJoinPool or something like that