STDOUT:
inContainer = false
STDERR:
java.lang.NumberFormatException: For input string: "nr_thr"
        at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:67)
        at java.base/java.lang.Integer.parseInt(Integer.java:529)
        at java.base/java.math.BigInteger.<init>(BigInteger.java:583)
        at java.base/java.math.BigInteger.<init>(BigInteger.java:721)
        at jdk.test.lib.containers.cgroup.CgroupMetricsTester.convertStringToLong(CgroupMetricsTester.java:54)
        at jdk.test.lib.containers.cgroup.MetricsTesterCgroupV2.convertStringToLong(MetricsTesterCgroupV2.java:209)
        at jdk.test.lib.containers.cgroup.MetricsTesterCgroupV2.getLongValueEntryFromFile(MetricsTesterCgroupV2.java:132)
        at jdk.test.lib.containers.cgroup.MetricsTesterCgroupV2.testCpuSchedulingMetrics(MetricsTesterCgroupV2.java:336)
        at jdk.test.lib.containers.cgroup.MetricsTester.testAll(MetricsTester.java:59)
        at jdk.test.lib.containers.cgroup.MetricsTester.main(MetricsTester.java:99)
        at TestCgroupMetrics.main(TestCgroupMetrics.java:39)
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
        at java.base/java.lang.reflect.Method.invoke(Method.java:565)
        at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:335)
        at java.base/java.lang.Thread.run(Thread.java:1516)

JavaTest Message: Test threw exception: java.lang.NumberFormatException
JavaTest Message: shutting down test


TEST RESULT: Failed. Execution failed: `main' threw exception: java.lang.NumberFormatException: For input string: "nr_thr"
--------------------------------------------------
Test results: failed: 1


The cpu.stat is
```
usage_usec 5111148455
user_usec 4457755664
system_usec 653392790
core_sched.force_idle_usec 0
nr_periods 0
nr_throttled 0
throttled_usec 0
nr_burst 0
burst_usec 0
nr_throttled_bt 0
throttled_usec_bt 0
```

nr_throttled and nr_throttled_bt are common prefix metrics