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Wolfgang Ocker patch - unspecified CPU frequencies 

Added support for unspecified CPU frequencies.
(Also corrected my stupid misspelling of Celsius) :)
This commit is contained in:
Sepero 2013-08-21 08:50:02 -04:00
parent 5dcfdcd343
commit 13034a31e3
1 changed files with 20 additions and 5 deletions
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25
temp_throttle.sh
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@ -1,7 +1,7 @@
#!/bin/bash
# Usage: temp_throttle.sh max_temp
# USE CELCIUS TEMPERATURES.
# USE CELSIUS TEMPERATURES.
cat << EOF
Author: Sepero (sepero 111 @ gmail . com)
@ -14,6 +14,9 @@ EOF
# http://github.com/Sepero/temp-throttle/
# http://seperohacker.blogspot.com/2012/10/linux-keep-your-cpu-cool-with-frequency.html
# Additional Credits
# Wolfgang Ocker <weo AT weo1 DOT de> - Patch for unspecified cpu frequencies.
# License: GNU GPL 2.0
# Generic function for printing an error and exiting.
@ -25,7 +28,7 @@ function err_exit () {
if [ $# -ne 1 ]; then
# If temperature wasn't given, then print a message and exit.
echo "Please supply a maximum desired temperature in Celcius." 1>&2
echo "Please supply a maximum desired temperature in Celsius." 1>&2
echo "For example: ${0} 60" 1>&2
exit 2
else
@ -44,8 +47,20 @@ MAX_TEMP=${MAX_TEMP}000
LOW_TEMP=${LOW_TEMP}000
FREQ_FILE="/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"
# FREQ_LIST is an array of available frequencies.
declare -a FREQ_LIST=($(cat $FREQ_FILE)) || err_exit "Could not determine available cpu frequencies. Missing file: $FREQ_FILE"
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.
if [ -f $FREQ_FILE ]; then
# If $FREQ_FILE exists, get frequencies from it.
declare -a FREQ_LIST=($(cat $FREQ_FILE)) || err_exit "Could not read available cpu frequencies from file $FREQ_FILE"
elif [ -f $FREQ_MIN -a -f $FREQ_MAX ]; then
# Else if $FREQ_MIN and $FREQ_MAX exist, generate a list of frequencies between them.
declare -a FREQ_LIST=($(seq $(cat $FREQ_MAX) -100000 $(cat $FREQ_MIN))) || err_exit "Could not compute available cpu frequencies"
else
err_exit "Could not determine available cpu frequencies"
fi
# CURRENT_FREQ will save the index of the currently used frequency in FREQ_LIST.
CURRENT_FREQ=1
@ -80,7 +95,7 @@ function get_temp {
# If one of these doesn't work, the try uncommenting another.
TEMP=$(cat /sys/class/thermal/thermal_zone0/temp)
#TEMP=$(cat /sys/class/hwmon/hwmon0/temp1_input)
#TEMP=$(cat /sys/class/hwmon/hwmon0/temp1_input)
#TEMP=$(cat /sys/class/hwmon/hwmon1/device/temp1_input)
}