On Thu, 28 Nov 2024 00:04:53 GMT, Chen Liang <li...@openjdk.org> wrote:
>> Adds `jcmd <pid> Thread.vthread_scheduler` to print the virtual thread >> scheduler and `jcmd <pid> Thread.vthread_pollers` to print the I/O pollers >> that support virtual threads doing blocking network I/O operations. >> >> This is a subset of the diagnostics that we've had in the loom repo for a >> long time. @larry-cable proposed a PR recently >> ([pull/22121](https://github.com/openjdk/jdk/pull/22121)) to bring a version >> of same into main line but it was based on an older proposal. This new PR >> supplants that effort. >> >> The jtreg failure handler is updated to execute Thread.vthread_scheduler, >> useful capture when a test fails or times out. > > test/hotspot/jtreg/serviceability/dcmd/thread/VThreadCommandsTest.java line 2: > >> 1: /* >> 2: * Copyright (c) 2023, 2024, Oracle and/or its affiliates. All rights >> reserved. > > Suggestion: > > * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved. The feature + test were initially created in Oct 2023. It might look like a new test for main line but I think we are supposed to keep the original creation date. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/22414#discussion_r1861620057