There is a gem in the comments on the article which kgiannakakis linked:
javasysmon
JavaSysMon manages processes and
reports useful system performance
metrics cross-platform. You can think
of it as a cross-platform version of
the UNIX `top’ command, along with the
ability to kill processes. It comes in
the form of a single JAR file /..
-works on Windows, Mac OS X, Linux, and Solaris.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…