On Thu, 26 May 2022 17:09:25 GMT, Chris Plummer <cjplum...@openjdk.org> wrote:
>> As part of the loom integration, jdb added `-trackvthreads` and the debug >> agent added `enumeratevthreads`. These options are being renamed to >> `-trackallthreads` and `includevirtualthreads` (the shorthand `vthreads` >> should not have been used). Also, the help text for these options now calls >> out that virtual threads are a Preview Feature. >> >> After the update to help text, wlil look as follows: >> >> jdb doc (search for "trackallthreads"): >> http://cr.openjdk.java.net/~cjplummer/8286983/jdb.html >> debug agent doc (seach for "includevirtualthreads"): >> http://cr.openjdk.java.net/~cjplummer/8286983/conninv.html >> >> >> $ jdb -listconnectors >> ... >> Connector: com.sun.jdi.CommandLineLaunch Transport: dt_socket >> description: Launches target using Sun Java VM command line and attaches >> to it >> ... >> Argument: includevirtualthreads Default value: n >> description: List of all threads includes virtual threads as well as >> platform threads. Virtual threads are a preview feature of the Java platform. >> >> >> >> $ jdb -help >> Usage: jdb <options> <class> <arguments> >> >> where options include: >> ... >> -dbgtrace [flags] print info for debugging jdb >> -trackallthreads Track all threads, including virtual threads. >> Virtual threads are a preview feature of the Java >> platform. >> -tclient run the application in the HotSpot(TM) Client Compiler >> ... >> >> >> >> $ man -M ./build/linux-x64-debug/images/jdk/man/ jdb >> ... >> -tclient >> Runs the application in the Java HotSpot VM client. >> >> -trackallthreads >> Track all threads as they are created, including >> Virtual >> Threads. See Working With Virtual Threads below. >> Virtual >> threads are a preview feature of the Java platform. >> >> -tserver >> Runs the application in the Java HotSpot VM server. >> ... >> WORKING WITH VIRTUAL THREADS >> Virtual threads are a preview feature of the Java platform. >> Preview >> features may be removed in a future release, or upgraded to >> permanent >> features of the Java platform. >> >> Often virtual theads are created in such large numbers and >> frequency >> ... >> >> >> >> $ java -agentlib:jdwp=help >> Java Debugger JDWP Agent Library >> -------------------------------- >> >> (See the "VM Invocation Options" section of the JPDA >> "Connection and Invocation Details" document for more information.) >> >> jdwp usage: java -agentlib:jdwp=[help]|[<option>=<value>, ...] >> >> Option Name and Value Description Default >> --------------------- ----------- ------- >> ... >> timeout=<timeout value> for listen/attach in milliseconds n >> includevirtualthreads=y|n List of all threads includes virtual >> threads as well as platform threads. >> Virtual threads are a preview feature of >> the Java platform. >> n >> mutf8=y|n output modified utf-8 n >> ... > > Chris Plummer has updated the pull request incrementally with one additional > commit since the last revision: > > Fix minor typo in comment. I created CSR [JDK-8287591](https://bugs.openjdk.java.net/browse/JDK-8287591) ------------- PR: https://git.openjdk.java.net/jdk/pull/8780
