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raspberrypi-temperature-telegraf

Collect RaspberryPi CPU and GPU temperature with telegraf

How to use (No script required 🔥)

  1. Locate vcgencmd binary by executing shell command /usr/bin/which vcgencmd. Location may vary depending on libraspberrypi-bin package version.
  2. Before adding this to your telegraf.conf, replace replace_with_vcgencmd_location with real path returned in previous step. (ex./usr/bin/vcgencmd).
[[inputs.file]] 
  files = ["/sys/class/thermal/thermal_zone0/temp"]
  name_override = "cpu_temperature"
  data_format = "value"
  data_type = "integer"
  
[[inputs.exec]]
  commands = [ "replace_with_vcgencmd_location measure_temp" ]
  name_override = "gpu_temperature"
  data_format = "grok"
  grok_patterns = ["%{NUMBER:value:float}"]
  1. Add telegraf user to video group sudo usermod -a -G video telegraf
  2. sudo service telegraf stop;sudo service telegraf start
  3. Run test telegraf -config /etc/telegraf/telegraf.conf -test

How to use (Old way)

  1. Copy telegraf_pi_temp.sh to /usr/local/bin/telegraf_pi_temp.sh
  2. Modify file permissions chmod +x /usr/local/bin/telegraf_pi_temp.sh
  3. Add telegraf user to video group sudo usermod -a -G video telegraf
  4. sudo service telegraf restart or sudo reboot
  5. Add to your telegraf.conf snippet from telegraf.conf
  6. Run test telegraf -config /etc/telegraf/telegraf.conf -test

Data format

To get a human readable cpu temperature divide it by 1000 (in grafana use the math(/ 1000) function

{"cpu":54768, "gpu":54.8}