This has failed quite a few times in the jdk8/b120 same-binaries run on linux.

----------System.out:(7/331)----------
Internal Thread Count = 41
CPU time = 231340114 for GC task thread#20 (ParallelGC)
CPU time = 231391493 for GC task thread#21 (ParallelGC)
CPU time = 231286323 for GC task thread#22 (ParallelGC)
CPU time = 151868 for Service Thread
CPU time = 687133177 for C1 CompilerThread12
CPU time = -18014397864265572 for C1 CompilerThread13
----------System.err:(13/701)----------
java.lang.RuntimeException: Illegal CPU time: -18014397864265572
at GetInternalThreads.testCPUTime(GetInternalThreads.java:84)
at GetInternalThreads.main(GetInternalThreads.java:65)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at com.sun.javatest.regtest.MainAction$SameVMRunnable.run(MainAction.java:746)
at java.lang.Thread.run(Thread.java:744)