What is metrics you have developed

Since we are focussing for CMM4 assessment ..There are strict implications on metrics.
I as experienced member use to gather and record the metrics for product.
Process metrics such as Schedule variance and effort variance is being done by project management.
But for the testing side iam responsible in producing metrics such as Review defect density,test coverage,Test effectiveness,Undocumented test cases
( Refer my earlier Tips for the formulas on basis of which you produced metrics)
Iam part of defect prevention group where we evaluate the root cause analysis.