Integrated: 8315373: Change VirtualThread to unmount after freezing, re-mount before thawing

2023-09-10 Thread Alan Bateman
On Wed, 30 Aug 2023 13:56:42 GMT, Alan Bateman wrote: > In the virtual thread implementation, thread identity switches to the carrier > before freezing and switches back to the virtual thread after thawing. This > was a forced move due to issues getting JVMTI to work with virtual threads. > JV

Re: RFR: 8315770: serviceability/sa/TestJmapCoreMetaspace.java should run with -XX:-VerifyDependencies [v2]

2023-09-10 Thread Chris Plummer
On Fri, 8 Sep 2023 10:21:23 GMT, Soumadipta Roy wrote: >> 8315770: serviceability/sa/TestJmapCoreMetaspace.java should run with >> -XX:-VerifyDependencies >> >> serviceability/sa/TestJmapCoreMetaspace.java runs in hotspot:tier2, and >> takes about 330 seconds out of 670 seconds of the entire r

Re: RFR: 8315770: serviceability/sa/TestJmapCoreMetaspace.java should run with -XX:-VerifyDependencies [v2]

2023-09-10 Thread Leonid Mesnik
On Fri, 8 Sep 2023 10:21:23 GMT, Soumadipta Roy wrote: >> 8315770: serviceability/sa/TestJmapCoreMetaspace.java should run with >> -XX:-VerifyDependencies >> >> serviceability/sa/TestJmapCoreMetaspace.java runs in hotspot:tier2, and >> takes about 330 seconds out of 670 seconds of the entire r

Re: RFR: 8314021: HeapDump: Optimize segmented heap file merging phase

2023-09-10 Thread Yi Yang
On Thu, 7 Sep 2023 00:56:40 GMT, Alex Menkov wrote: >> This patch reduce ~16%(24s->20s) pahse 2 merge time during dumping 32g heap >> with 96threads and fixes a memory leak of compressor >> >> You might argue why this is Linux-only optimization, because sendfile >> requires at least socket fd