openj9

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Support virtual threads in JVMTI Resume* and Suspend* functions

7

This PR impacts the following JVMTI functions: - [Resume|Suspend]Thread - [Resume|Suspend]ThreadList - [Resume|Suspend]AllVirtualThreads - GetThreadState The above functions have been either implemented or updated as per the JVMTI doc: https://download.java.net/java/early_access/jdk19/docs/specs/jvmti.html...

babsingh

``` FAILED java/lang/Thread/virtual/stress/PinALot.java#id0 Failed.`main' threw exception: java.lang.RuntimeException: count = 1 Exception in thread "" java.lang.IllegalStateException: Continuation is pinned: MONITOR at java.base/jdk.internal.vm.Continuation.yield(Continuation.java:230) at java.base/java.lang.VirtualThread.yieldContinuation(VirtualThread.java:375) at java.base/java.lang.VirtualThread.parkNanos(VirtualThread.java:537) at java.base/java.lang.Access.parkVirtualThread(Access.java:509) at java.base/jdk.internal.misc.VirtualThreads.park(VirtualThreads.java:67) at...

tajila

see https://github.com/eclipse-openj9/openj9/issues/15152#issuecomment-1251743982

tajila

See https://github.com/eclipse-openj9/openj9/issues/15152#issuecomment-1251743982

tajila

Likely due to lack of JIT support. ``` FAILED java/lang/Thread/virtual/stress/TimedGet.java STDOUT: Timeout refired 480 times 34826 45401 56520 67517 77472 87823 98800 110187 121007 131805 142457 152339 162664 173232 183909...

tajila

See https://github.com/eclipse-openj9/openj9/issues/15152

tajila

``` FAILED java/lang/Thread/virtual/Parking.java Total tests run: 22, Passes: 19, Failures: 2, Skips: 1 test Parking.testPark11(): failure java.lang.RuntimeException: java.lang.AssertionError at jdk.test.lib.thread.VThreadRunner.lambda$run$0(VThreadRunner.java:77) at java.base/java.lang.VirtualThread.run(VirtualThread.java:292) at java.base/java.lang.VirtualThread$VThreadContinuation.lambda$new$0(VirtualThread.java:179) at java.base/jdk.internal.vm.Continuation.execute(Continuation.java:171) Caused by: java.lang.AssertionError at...

tajila

Update alinux container to latest sha

4

Signed-off-by: Adam Brousseau

AdamBrousseau

Add persistence to the JITServer AOT cache

22

Unlike the main AOT cache, the current JITServer AOT cache lacks any persistence; only an in-memory cache is supported. An option should be added to allow for JITServer AOT cache...

cjjdespres

Extend Class Chains to support Value Types

7

The following is the result of an offline discussion with @jdmpapin based on https://github.com/eclipse-openj9/openj9/issues/15424#issuecomment-1170360603. It should be noted that this design does not yet take into account array flattening, though...

dsouzai