[Bug 1334617] New: pmprobe does not report derived metric instances

[bugzilla@xxxxxxxxxx]

https://bugzilla.redhat.com/show_bug.cgi?id=1334617

            Bug ID: 1334617
           Summary: pmprobe does not report derived metric instances
           Product: Fedora
           Version: 23
         Component: pcp
          Assignee: nathans@xxxxxxxxxx
          Reporter: myllynen@xxxxxxxxxx
        QA Contact: extras-qa@xxxxxxxxxxxxxxxxx
                CC: brolley@xxxxxxxxxx, fche@xxxxxxxxxx, lberk@xxxxxxxxxx,
                    mgoodwin@xxxxxxxxxx, nathans@xxxxxxxxxx,
                    pcp@xxxxxxxxxxx, scox@xxxxxxxxxx



Description of problem:
$ cat ./drv.conf
disk.dev.read_pct = 100 * delta(disk.dev.read) / (delta(disk.dev.read) +
delta(disk.dev.write))
$ PCP_DERIVED_CONFIG=./drv.conf pmval disk.dev.read_pct -i sda -s 2

metric:    disk.dev.read_pct
host:      localhost
semantics: instantaneous value
units:     none
samples:   2
interval:  1.00 sec
No values available

                  sda
               0.0
$ PCP_DERIVED_CONFIG=./drv.conf pmprobe -I disk.dev.read_pct
disk.dev.read_pct 0
$ PCP_DERIVED_CONFIG=./drv.conf pmprobe -I disk.dev.read
disk.dev.read 1 "sda"
$ 

I would expect pmprobe to report instances for derived metrics as well.

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