htop/pcp/meters/postfix
Nathan Scott 01f5b89278 Pretty-print values in the PCP DynamicMeter code
Several improvements to the way values are displayed in the
PCP platform DynamicMeter implementation:
- handle the initial 'caption' setting as with regular meters,
  this required a new meter callback because we no longer have
  just a single meter caption for the DynamicMeter case
- if no label is provided for a metric in a configuration file
  use the short form metric name as a fallback
- honour the suffix setting in the configuration file
- convert metric values to the canonical units for htop (kbyte
  and seconds), and use Meter_humanUnit when it makes sense to
  do so.

Also improves the handling of fatal string error messages in a
couple of places, thanks to BenBE for the review feedback.
2021-07-08 10:56:05 +10:00

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#
# pcp-htop(1) configuration file - see pcp-htop(5)
#
[postfix]
caption = Postfix
incoming.metric = sum(postfix.queues.incoming)
incoming.color = green
incoming.label = in
active.metric = sum(postfix.queues.active)
active.color = blue
active.label = act
deferred.metric = sum(postfix.queues.deferred)
deferred.color = cyan
deferred.label = dfr
bounce.metric = sum(postfix.queues.maildrop)
bounce.color = red
bounce.label = bnc
hold.metric = sum(postfix.queues.hold)
hold.color = yellow