QA output created by 137
dbpmda> open dso $PCP_PMDAS_DIR/simple/pmda_simple.$DSO_SUFFIX simple_init 253
dbpmda> getdesc on
dbpmda> desc simple.numfetch
PMID: 253.0.0
    Data Type: 32-bit unsigned int  InDom: PM_INDOM_NULL 0xffffffff
    Semantics: instant  Units: none
dbpmda> fetch simple.numfetch
PMID(s): 253.0.0
pmResult ... numpmid: 1
  253.0.0 (simple.numfetch): numval: 1 valfmt: 0 vlist[]:
   value NUMBER
dbpmda> desc simple.color
PMID: 253.0.1
    Data Type: 32-bit int  InDom: 253.0 0x3f400000
    Semantics: instant  Units: none
dbpmda> fetch simple.color
PMID(s): 253.0.1
pmResult ... numpmid: 1
  253.0.1 (simple.color): numval: 3 valfmt: 0 vlist[]:
    inst [0 or ???] value NUMBER
    inst [1 or ???] value NUMBER
    inst [2 or ???] value NUMBER
dbpmda> instance 253.0
pmInDom: 253.0
[  0] inst: 0 name: "red"
[  1] inst: 1 name: "green"
[  2] inst: 2 name: "blue"
dbpmda>