Several serviceability/jvmti/HeapMonitor/MyPackage tests are
failing the JDK17 CI:

serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorMultiArrayTest.java

Here's a snippet from the log file for the jdk-17+10-740-tier3 sighting:

#section:build
----------messages:(3/120)----------
command: build MyPackage.HeapMonitorMultiArrayTest
reason: Named class compiled on demand
elapsed time (seconds): 0.001
result: Passed. All files up to date

#section:main
----------messages:(4/259)----------
command: main -agentlib:HeapMonitorTest MyPackage.HeapMonitorMultiArrayTest
reason: User specified action: run main/othervm/native -agentlib:HeapMonitorTest MyPackage.HeapMonitorMultiArrayTest
Mode: othervm [/othervm specified]
elapsed time (seconds): 1.234
----------configuration:(0/0)----------
----------System.out:(0/0)----------
----------System.err:(13/920)----------
java.lang.RuntimeException: Number of samples (8316) not the expected (6000)
at MyPackage.HeapMonitorMultiArrayTest.main(HeapMonitorMultiArrayTest.java:56)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
at java.base/java.lang.Thread.run(Thread.java:831)

JavaTest Message: Test threw exception: java.lang.RuntimeException: Number of samples (8316) not the expected (6000)
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: Number of samples (8316) not the expected (6000)
----------rerun:(38/6405)*----------

The JVM args for the test task are: -XX:+CreateCoredumpOnCrash -XX:+UseZGC