title: What is the Definition of Thread CPU Time?
body: <p>How do we define "thread CPU Time" for a non-native thread?  More specifically, how is it defined on the JVM (where CPU is abstracted, presumeably, from the JVM, so the definition may be slightly different than for a lower level process).... </p>
  
  <p>I'm working from the JVM implementation of this measurement: <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/management/ThreadMXBean.html" rel="nofollow">http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/management/ThreadMXBean.html</a> which seems not to directly define what "Thread CPU time" is a direct measurement of.</p>