Instrumentation Explained for IBM BPM.
What is Instrumentation?
How to use Instrumentation?
What all we can monitory using Instrumentation?
If you have above or similar kind of question, you should visit the post written by Sergei Malynovskyi in BP3 Portal. It is really well written post.
Best thing to take from the post is how to see extended data in instumentation monitor page.
If you dont know it already, it will open whole new world of monitoring you can do for IBM BPM. You can also visit below Tech Note for more details.