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add separate init script and tweak ondemand params

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This commit is contained in:
Alex Bradbury 2015-01-29 23:58:41 +00:00
parent cb06e5951d
commit 2b91e57d41
2 changed files with 37 additions and 38 deletions
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37
debian/raspi-config.init vendored Normal file
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@ -0,0 +1,37 @@
#!/bin/sh
### BEGIN INIT INFO
# Provides: raspi-config
# Required-Start: udev mountkernfs $remote_fs
# Required-Stop:
# Default-Start: S
# Default-Stop:
# Short-Description: Switch to ondemand cpu governor (unless shift key is pressed)
# Description:
### END INIT INFO
. /lib/lsb/init-functions
case "$1" in
start)
log_daemon_msg "Checking if shift key is held down"
timeout 1 thd --dump /dev/input/event* | grep -q "LEFTSHIFT\|RIGHTSHIFT"
if [ $? -eq 0 ]; then
printf " Yes. Not enabling ondemand scaling governor"
log_end_msg 0
else
printf " No. Switching to ondemand scaling governor"
SYS_CPUFREQ_GOVERNOR=/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
if [ -e $SYS_CPUFREQ_GOVERNOR ]; then
echo "ondemand" > $SYS_CPUFREQ_GOVERNOR
echo 50 > /sys/devices/system/cpu/cpufreq/ondemand/up_threshold
echo 100000 > /sys/devices/system/cpu/cpufreq/ondemand/sampling_rate
echo 50 > /sys/devices/system/cpu/cpufreq/ondemand/sampling_down_factor
fi
log_end_msg 0
fi
;;
*)
echo "Usage: $0 start" >&2
exit 3
;;
esac

38
raspi-config
View File

@ -317,44 +317,6 @@ set_overclock() {
set_config_var core_freq $3 $CONFIG &&
set_config_var sdram_freq $4 $CONFIG &&
set_config_var over_voltage $5 $CONFIG &&
# now set up an init.d script
cat <<\EOF > /etc/init.d/switch_cpu_governor &&
#!/bin/sh
### BEGIN INIT INFO
# Provides: switch_cpu_governor
# Required-Start: udev mountkernfs $remote_fs
# Required-Stop:
# Default-Start: S
# Default-Stop:
# Short-Description: Switch to ondemand cpu governor (unless shift key is pressed)
# Description:
### END INIT INFO
. /lib/lsb/init-functions
case "$1" in
start)
log_daemon_msg "Checking if shift key is held down"
timeout 1 thd --dump /dev/input/event* | grep -q "LEFTSHIFT\|RIGHTSHIFT"
if [ $? -eq 0 ]; then
printf " Yes. Not switching scaling governor"
log_end_msg 0
else
SYS_CPUFREQ_GOVERNOR=/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
[ -e $SYS_CPUFREQ_GOVERNOR ] && echo "ondemand" > $SYS_CPUFREQ_GOVERNOR
echo 70 > /sys/devices/system/cpu/cpufreq/ondemand/up_threshold
printf " No. Switching to ondemand scaling governor"
log_end_msg 0
fi
;;
*)
echo "Usage: $0 start" >&2
exit 3
;;
esac
EOF
chmod +x /etc/init.d/switch_cpu_governor &&
update-rc.d switch_cpu_governor defaults &&
whiptail --msgbox "Set overclock to preset '$1'" 20 60 2
}