On some Linux architectures, certain cgroupv1 features are not available. After the refactoring of the Metrics interface test updates were missed to account for certain cgroup files not being present.

Failures observed by SAP in their testing were:

Unable to open : /sys/fs/cgroup/memory/memory.kmem.failcnt
java.lang.RuntimeException: Test failed for - memory:memory.kmem.failcnt, expected [-1], got [0]
         at jdk.test.lib.containers.cgroup.CgroupMetricsTester.fail(CgroupMetricsTester.java:70)
         at jdk.test.lib.containers.cgroup.MetricsTesterCgroupV1.fail(MetricsTesterCgroupV1.java:187)
         at jdk.test.lib.containers.cgroup.MetricsTesterCgroupV1.testMemorySubsystem(MetricsTesterCgroupV1.java:239)
         at jdk.test.lib.containers.cgroup.MetricsTester.testAll(MetricsTester.java:61)
         at TestCgroupMetrics.main(TestCgroupMetrics.java:46)
         at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
         at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
         at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
         at java.base/java.lang.reflect.Method.invoke(Method.java:564)
         at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
         at java.base/java.lang.Thread.run(Thread.java:832)

Unable to open : /sys/fs/cgroup/memory/system.slice/ssh.service/memory.memsw.failcnt
java.lang.RuntimeException: Test failed for - memory:memory.memsw.failcnt, expected [-1], got [0]
         at jdk.test.lib.containers.cgroup.CgroupMetricsTester.fail(CgroupMetricsTester.java:70)
         at jdk.test.lib.containers.cgroup.MetricsTesterCgroupV1.fail(MetricsTesterCgroupV1.java:187)
         at jdk.test.lib.containers.cgroup.MetricsTesterCgroupV1.testMemorySubsystem(MetricsTesterCgroupV1.java:291)
         at jdk.test.lib.containers.cgroup.MetricsTester.testAll(MetricsTester.java:61)
         at TestCgroupMetrics.main(TestCgroupMetrics.java:46)
         at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
         at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
         at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
         at java.base/java.lang.reflect.Method.invoke(Method.java:564)
         at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
         at java.base/java.lang.Thread.run(Thread.java:832)

Unable to open : /sys/fs/cgroup/memory/memory.memsw.failcnt
java.lang.RuntimeException: Test failed for - memory:memory.memsw.failcnt, expected [-1], got [0]
         at jdk.test.lib.containers.cgroup.CgroupMetricsTester.fail(CgroupMetricsTester.java:70)
         at jdk.test.lib.containers.cgroup.MetricsTesterCgroupV1.fail(MetricsTesterCgroupV1.java:187)
         at jdk.test.lib.containers.cgroup.MetricsTesterCgroupV1.testMemorySubsystem(MetricsTesterCgroupV1.java:291)
         at jdk.test.lib.containers.cgroup.MetricsTester.testAll(MetricsTester.java:61)
         at TestCgroupMetrics.main(TestCgroupMetrics.java:46)
         at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
         at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
         at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
         at java.base/java.lang.reflect.Method.invoke(Method.java:564)
         at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
         at java.base/java.lang.Thread.run(Thread.java:832)
 
JavaTest Message: Test threw exception: java.lang.RuntimeException: Test failed for - memory:memory.memsw.failcnt, expected [-1], got [0]
JavaTest Message: shutting down test
 
STATUS:Failed.`main' threw exception: java.lang.RuntimeException: Test failed for - memory:memory.memsw.failcnt, expected [-1], got [0]