qa/003: re-engineer and expand filter
qa/003: re-engineer and expand filter

There are lots more (a) derived metrics and (b) linux PMDA metrics,
that now may legitimately have "No values available".

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp