diff options
| -rwxr-xr-x | temp_throttle.sh | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/temp_throttle.sh b/temp_throttle.sh index 41e05bd..23ce151 100755 --- a/temp_throttle.sh +++ b/temp_throttle.sh @@ -36,7 +36,7 @@ else fi -### Start Initialize Global variables. +### START Initialize Global variables. # The frequency will increase when low temperature is reached. LOW_TEMP=$((MAX_TEMP - 5)) @@ -53,7 +53,7 @@ FREQ_FILE="/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies" FREQ_MIN="/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq" FREQ_MAX="/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq" -# Store an array of the available cpu frequencies in FREQ_LIST. +# Store available cpu frequencies in a space separated string FREQ_LIST. if [ -f $FREQ_FILE ]; then # If $FREQ_FILE exists, get frequencies from it. FREQ_LIST=$(cat $FREQ_FILE) || err_exit "Could not read available cpu frequencies from file $FREQ_FILE" @@ -93,11 +93,14 @@ done [ $TEMP_FILE == "null" ] && err_exit "The location for temperature reading was not found." -### End Initialize Global variables. +### END Initialize Global variables. +### START define script functions. + # Set the maximum frequency for all cpu cores. set_freq () { + # From the string FREQ_LIST, we choose the item at index CURRENT_FREQ. FREQ_TO_SET=$(echo $FREQ_LIST | cut -d " " -f $CURRENT_FREQ) echo $FREQ_TO_SET for i in $(seq 0 $CORES); do @@ -129,13 +132,16 @@ get_temp () { TEMP=$(cat $TEMP_FILE) } +### END define script functions. + + # Mainloop while true; do - get_temp + get_temp # Gets the current tempurature and set it to the variable TEMP. if [ $TEMP -gt $MAX_TEMP ]; then # Throttle if too hot. throttle elif [ $TEMP -le $LOW_TEMP ]; then # Unthrottle if cool. unthrottle fi - sleep 3 + sleep 3 # The amount of time between checking tempuratures. done |