I've been working on jkstat some more, including getting updates to the kstat chain working (or mostly working). Rather than repeat myself, I'll refer to the blog entry I just wrote:
http://ptribble.blogspot.com/2007/06/new-jkstat-version-real-progress.html -- -Peter Tribble http://www.petertribble.co.uk/ - http://ptribble.blogspot.com/
