Is IBM Semeru 11 jdk supported ?

[jorgheymans]

Hi,

Wanting to give this a go, i ran into a NPE . Likely caused by the jdk i'm using ?

java --version
openjdk 11.0.15 2022-04-19
IBM Semeru Runtime Open Edition 11.0.15.0 (build 11.0.15+10)
Eclipse OpenJ9 VM 11.0.15.0 (build openj9-0.32.0, JRE 11 Linux amd64-64-Bit Compressed References 20220422_425 (JIT enabled, AOT enabled)
OpenJ9 - 9a84ec34e
OMR - ab24b6666
JCL - b7b5b42ea6 based on jdk-11.0.15+10)

btrace -l
btrace WARNING: java.lang.NullPointerException
java.lang.NullPointerException
at java.base/jdk.internal.perf.Perf.attachImpl(Perf.java:286)
at java.base/jdk.internal.perf.Perf.attach(Perf.java:202)
at jdk.internal.jvmstat/sun.jvmstat.perfdata.monitor.protocol.local.PerfDataBuffer.(PerfDataBuffer.java:64)
at jdk.internal.jvmstat/sun.jvmstat.perfdata.monitor.protocol.local.LocalMonitoredVm.(LocalMonitoredVm.java:68)
at jdk.internal.jvmstat/sun.jvmstat.perfdata.monitor.protocol.local.MonitoredHostProvider.getMonitoredVm(MonitoredHostProvider.java:77)
at jdk.internal.jvmstat/sun.jvmstat.perfdata.monitor.protocol.local.MonitoredHostProvider.getMonitoredVm(MonitoredHostProvider.java:67)
at org.openjdk.btrace.client.JpsUtils.listVms(JpsUtils.java:43)
at org.openjdk.btrace.client.Main.main(Main.java:113)

[jbachorik]

Hi, thanks for posting this question.
I am afraid OpenJ9 does not support jvmstat tool - eclipse-openj9/openj9#2112