39 lines
1.1 KiB
Bash
Executable File
39 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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clear
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#################################################
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# change the following lines to match your system
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#################################################
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pwmcontrol=/sys/class/hwmon/hwmon1/device/pwm1
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fanrpmread=/sys/class/hwmon/hwmon1/device/fan1_input
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# do not edit below this line
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#################################################
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log=`pwd`/fandata.log
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echo "PWM,RPM" > $log
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echo "This script will set your PWM to values from full power down to 0 decreasing in"
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echo "approx 5 % steps and pausing 10 sec between steps to allow the fan RPM to catch"
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echo "up to the new settings. Data are logged to ${log}"
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echo "which can be used to generate a graph or use as-is."
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collectdata() {
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array=( 255 242 230 217 204 191 178 165 152 139 126 113 100 87 74 48 22 0 )
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for item in ${array[*]}
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do
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echo $item > $pwmcontrol
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sleep 10s
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rpm=`cat ${fanrpmread}`
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echo $item,$rpm >> $log
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echo "PWM: ${item} RPM: ${rpm}"
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done
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}
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/etc/rc.d/fancontrol stop
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echo "1" > ${pwmcontrol}_enable
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collectdata
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echo "0" > ${pwmcontrol}_enable
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/etc/rc.d/fancontrol start
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