20. The computer program as recited in claim 19 wherein the static tree structure includes element types in a fixed hierarchical relationship, the element types representing hardware and software components of the monitored computer system.
20. The computer program as recited in claim 19 wherein the static tree structure includes element types in a fixed hierarchical relationship, the element types representing hardware and software components of the monitored computer system. 21. The computer program as recited in claim 20, wherein the component information is extracted as a plurality of tokens, the tokens being respective instances of respective token types, each of the token types having a value of one aspect of the component information and an indication of an association with one of the elements in the static tree.