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Direktori : /proc/thread-self/root/snap/core20/current/usr/lib/systemd/ |
Current File : //proc/thread-self/root/snap/core20/current/usr/lib/systemd/set-cpufreq |
#! /bin/sh # Set the CPU Frequency Scaling governor to "ondemand"/"powersave" where available set -eu FIRSTCPU=`cut -f1 -d- /sys/devices/system/cpu/online` AVAILABLE="/sys/devices/system/cpu/cpu$FIRSTCPU/cpufreq/scaling_available_governors" DOWN_FACTOR="/sys/devices/system/cpu/cpufreq/ondemand/sampling_down_factor" [ -f $AVAILABLE ] || exit 0 read governors < $AVAILABLE case $governors in *interactive*) GOVERNOR="interactive" break ;; *ondemand*) GOVERNOR="ondemand" case $(uname -m) in ppc64*) SAMPLING=100 ;; esac break ;; *powersave*) GOVERNOR="powersave" break ;; *) exit 0 ;; esac [ -n "${GOVERNOR:-}" ] || exit 0 echo "Setting $GOVERNOR scheduler for all CPUs" for CPUFREQ in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor do [ -f $CPUFREQ ] || continue echo -n $GOVERNOR > $CPUFREQ done if [ -n "${SAMPLING:-}" ] && [ -f $DOWN_FACTOR ]; then echo -n $SAMPLING > $DOWN_FACTOR fi