LogSeqDB/pages/Scripts/Small ODROID-XU4 (HC1) scripts ($2059139) · Snippets · Snippets · GitLab.md

page-title:: Small ODROID-XU4 (HC1) scripts ($2059139) · Snippets · Snippets · GitLab url:: https://gitlab.com/-/snippets/2059139 date:: 2023-03-13 15:14:55

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• Small ODROID-XU4 (HC1) scripts

  CPU underclocking, CPU clock reset and CPU temperature display.

  #!/usr/bin/env bash
  
  # Reset the XU4 (HC1) CPU clocks to default.
  
  set -euo pipefail
  
  # Auto-restart with sudo.
  if [[ $UID -ne 0 ]]; then
      sudo -p 'Restarting as root, password: ' bash $0 "$@"
      exit $?
  fi
  
  cpufreq-set -c 0 --max 1500000
  cpufreq-set -c 4 --max 2000000
  

  #!/usr/bin/env bash
  
  # Monitor the XU4 (HC1) CPU temperature.
  
  set -euo pipefail
  
  # thermal_zone2 seems to be the highest most of the time.
  while [ true ]; do awk '{printf "\r%3.1f°C", $1/1000}' /sys/class/thermal/thermal_zone2/temp; sleep 1; done
  

  #!/usr/bin/env bash
  
  # Underclock the XU4 (HC1) CPU.
  
  set -euo pipefail
  
  # Auto-restart with sudo.
  if [[ $UID -ne 0 ]]; then
      sudo -p 'Restarting as root, password: ' bash $0 "$@"
      exit $?
  fi
  
  cpufreq-set -c 0 --max 1000000
  cpufreq-set -c 4 --max 1000000