Java RTS product documentation has been updated
Of course, the first one to look at is the
RTGC doc
More seriously, if you have started to use the technology, please try our early-access version of the DTrace probes . We have found them very helpful to identify jitter sources in running applications. In future versions, we will use these probes to build tools that simplify the debugging of timing issues. However, I really recommend trying to write your own DTrace scripts. Without DTrace to help us debug the Java Virtual Machine, we would not have been able to reach such a good determinism in Java RTS. Now, you'll be able to use it for the determinism of your Java application !
Bertrand