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Published: Jul 25, 2022 License: MIT Imports: 10 Imported by: 6


ntpq Input Plugin

Get standard NTP query metrics, requires ntpq executable.

Below is the documentation of the various headers returned from the NTP query command when running ntpq -p.

  • remote – The remote peer or server being synced to. “LOCAL” is this local host (included in case there are no remote peers or servers available);
  • refid – Where or what the remote peer or server is itself synchronised to;
  • st (stratum) – The remote peer or server Stratum
  • t (type) – Type (u: unicast or manycast client, b: broadcast or multicast client, l: local reference clock, s: symmetric peer, A: manycast server, B: broadcast server, M: multicast server, see “Automatic Server Discovery“);
  • when – When last polled (seconds ago, “h” hours ago, or “d” days ago);
  • poll – Polling frequency: rfc5905 suggests this ranges in NTPv4 from 4 (16s) to 17 (36h) (log2 seconds), however observation suggests the actual displayed value is seconds for a much smaller range of 64 (26) to 1024 (210) seconds;
  • reach – An 8-bit left-shift shift register value recording polls (bit set = successful, bit reset = fail) displayed in octal;
  • delay – Round trip communication delay to the remote peer or server (milliseconds);
  • offset – Mean offset (phase) in the times reported between this local host and the remote peer or server (RMS, milliseconds);
  • jitter – Mean deviation (jitter) in the time reported for that remote peer or server (RMS of difference of multiple time samples, milliseconds);


# Get standard NTP query metrics, requires ntpq executable.
  ## If false, set the -n ntpq flag. Can reduce metric gather time.
  dns_lookup = true


  • ntpq
    • delay (float, milliseconds)
    • jitter (float, milliseconds)
    • offset (float, milliseconds)
    • poll (int, seconds)
    • reach (int)
    • when (int, seconds)
  • All measurements have the following tags:
    • refid
    • remote
    • type
    • stratum

Example Output

$ telegraf --config ~/ws/telegraf.conf --input-filter ntpq --test
* Plugin: ntpq, Collection 1
> ntpq,refid=.GPSs.,remote=*time.apple.com,stratum=1,type=u delay=91.797,jitter=3.735,offset=12.841,poll=64i,reach=377i,when=35i 1457960478909556134




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type NTPQ

type NTPQ struct {
	DNSLookup bool `toml:"dns_lookup"`
	// contains filtered or unexported fields

func (*NTPQ) Gather

func (n *NTPQ) Gather(acc telegraf.Accumulator) error

func (*NTPQ) SampleConfig

func (*NTPQ) SampleConfig() string

Source Files

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