This tool should be run as a system daemon and will follow /var/log/ntpstats/loopstats and present the values to the Node Exporter by writing the values in the correct format into the file /var/lib/prometheus/node-exporter/ntp_loopstats.prom.

The metric names are:

ntp_loopstats_day
ntp_loopstats_second
ntp_loopstats_offset
ntp_loopstats_drift_compensation
ntp_loopstats_estimated_error
ntp_loopstats_stability
ntp_loopstats_polling_interval

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This project is available under the Apache 2.0 License.