QA output created by 342
dbpmda> open socket MYSOCKET
Connect to PMDA on socket MYSOCKET
dbpmda> getdesc on
dbpmda> fetch sample.colour
PMID(s): 29.0.5
pmResult ... numpmid: 1
  29.0.5 (sample.colour): numval: 3 valfmt: 0 vlist[]:
    inst [0 or ???] value NUMBER
    inst [1 or ???] value NUMBER
    inst [2 or ???] value NUMBER
dbpmda> desc sample.colour
PMID: 29.0.5
    Data Type: 32-bit int  InDom: 29.1 0x7400001
    Semantics: instant  Units: none
dbpmda> profile 29.1 none
dbpmda> profile 29.1 add 2
dbpmda> fetch sample.colour
PMID(s): 29.0.5
pmResult ... numpmid: 1
  29.0.5 (sample.colour): numval: 1 valfmt: 0 vlist[]:
    inst [2 or ???] value NUMBER
dbpmda>