FM / derived

/var/lib/pcp/config/derived

Name	Size	Mode	Actions
cpu-util.conf	1478	0644	edit dl rm
denki.conf	863	0644	edit dl rm
iostat.conf	28074	0644	edit dl rm
mssql.conf	2765	0644	edit dl rm
openmetrics.conf	1300	0644	edit dl rm
proc.conf	1917	0644	edit dl rm

Edit: /etc/pcp/derived/openmetrics.conf (1300B)

#
# Copyright (c) 2024, Red Hat.
#
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.
# 
# This file is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# for more details.
#
#
# OpenMetrics derived metrics
# These derived metrics complete calculation of those metrics requiring
# client-side computation using multiple base metrics from OpenMetrics.
#

openmetrics.grafana.go_memstats_last_gc_since_start_time_seconds = ( openmetrics.grafana.go_memstats_last_gc_time_seconds - openmetrics.grafana.process_start_time_seconds)
openmetrics.grafana.go_memstats_last_gc_since_start_time_seconds(oneline) = Number of seconds since start time of last garbage collection
openmetrics.grafana.go_memstats_last_gc_since_start_time_seconds(helptext) = '\
Difference of go_memstats_last_gc_time_seconds and process_start_time.
Difference of the number of seconds since unix epoch of last garbage
collection and of the start time of the process since unix epoch.'

cmd: