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telegraf/plugins/inputs/wireless/README.md

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Wireless Input Plugin

The wireless plugin gathers metrics about wireless link quality by reading the /proc/net/wireless file. This plugin currently supports linux only.

Configuration:

# Monitor wifi signal strength and quality
[[inputs.wireless]]
  ## Sets 'proc' directory path
  ## If not specified, then default is /proc
  # host_proc = "/proc"

Metrics:

  • metric
    • tags:
      • interface (wireless interface)
    • fields:
      • status (int64, gauge) - Its current state. This is a device dependent information
      • link (int64, percentage, gauge) - general quality of the reception
      • level (int64, dBm, gauge) - signal strength at the receiver
      • noise (int64, dBm, gauge) - silence level (no packet) at the receiver
      • nwid (int64, packets, counter) - number of discarded packets due to invalid network id
      • crypt (int64, packets, counter) - number of packet unable to decrypt
      • frag (int64, packets, counter) - fragmented packets
      • retry (int64, packets, counter) - cumulative retry counts
      • misc (int64, packets, counter) - dropped for un-specified reason
      • missed_beacon (int64, packets, counter) - missed beacon packets

Example Output:

This section shows example output in Line Protocol format.

wireless,host=example.localdomain,interface=wlan0 misc=0i,frag=0i,link=60i,level=-50i,noise=-256i,nwid=0i,crypt=0i,retry=1525i,missed_beacon=0i,status=0i 1519843022000000000