Re: RFR: 8287103: java/lang/management/ThreadMXBean/VirtualThreadDeadlocks.java fails with Xcomp [v2]

2022-05-21 Thread Alan Bateman
On Sat, 21 May 2022 16:34:32 GMT, Leonid Mesnik wrote: >> Sync improved in test > > Leonid Mesnik has updated the pull request incrementally with one additional > commit since the last revision: > > fix Marked as reviewed by alanb (Reviewer). - PR: https://git.openjdk.java.net/

Re: RFR: 8287103: java/lang/management/ThreadMXBean/VirtualThreadDeadlocks.java fails with Xcomp [v2]

2022-05-21 Thread Leonid Mesnik
> Sync improved in test Leonid Mesnik has updated the pull request incrementally with one additional commit since the last revision: fix - Changes: - all: https://git.openjdk.java.net/jdk/pull/8821/files - new: https://git.openjdk.java.net/jdk/pull/8821/files/b3f870b5..681a2d

Re: RFR: 8285739: disable EA when both JVMTI and Preview are enabled [v2]

2022-05-21 Thread Leonid Mesnik
On Sat, 21 May 2022 12:14:11 GMT, Richard Reingruber wrote: > Hi Leonid, if EscapeAnalysis is not disabled, then local objects cannot be > read per JVMTI if they are scalarized in compiled frames on the heap, right? > This would be a problem I'd think. Thanks, Richard. Yes, the fix restores co

Re: RFR: 8285739: disable EA when both JVMTI and Preview are enabled [v2]

2022-05-21 Thread Richard Reingruber
On Fri, 20 May 2022 20:09:59 GMT, Leonid Mesnik wrote: >> The fix disables EscapeBarrier and EscapeAnalysis when certain JVMTI >> capabilities are enabled and --enable-preview. >> >> It restores the same behavior as it was before >> https://bugs.openjdk.java.net/browse/JDK-8227745 "Enable Esca

Re: Concurrent heap monitoring

2022-05-21 Thread Volker Simonis
This sounds very interesting. Does this feature work with every GC or does the implementation depend on specific GCs (and if the latter, which GCs does your prototype currently support). Kemper, William schrieb am Fr., 20. Mai 2022, 23:46: > Taking a heap dump is a stop the world event. Garbage