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Merge pull request #15 from derkling/add_shutils_support

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Add shutils support
This commit is contained in:
setrofim
2016-01-26 17:41:02 +00:00
parent c2d81ea538 51b7f01d36
commit 3f1577dd02
4 changed files with 134 additions and 19 deletions
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71
devlib/bin/scripts/shutils.in Executable file
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#!__DEVLIB_SHELL__
CMD=$1
shift
BUSYBOX=${BUSYBOX:-__DEVLIB_BUSYBOX__}
GREP=${GREP:-$BUSYBOX grep}
SED=${SED:-$BUSYBOX sed}
################################################################################
# CPUFrequency Utility Functions
################################################################################
cpufreq_set_all_frequencies() {
FREQ=$1
for CPU in /sys/devices/system/cpu/cpu[0-9]*; do
echo $FREQ > $CPU/cpufreq/scaling_cur_freq
done
}
cpufreq_get_all_frequencies() {
$GREP '' /sys/devices/system/cpu/cpu*/cpufreq/scaling_cur_freq | \
$SED -e 's|/sys/devices/system/cpu/cpu||' -e 's|/cpufreq/scaling_cur_freq:| |'
}
cpufreq_set_all_governors() {
GOV=$1
for CPU in /sys/devices/system/cpu/cpu[0-9]*; do
echo $GOV > $CPU/cpufreq/scaling_governor
done
}
cpufreq_get_all_governors() {
$GREP '' /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor | \
$SED -e 's|/sys/devices/system/cpu/cpu||' -e 's|/cpufreq/scaling_governor:| |'
}
cpufreq_trace_all_frequencies() {
FREQS=$(cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_cur_freq)
CPU=0; for F in $FREQS; do
echo "cpu_frequency: state=$F cpu_id=$CPU" > /sys/kernel/debug/tracing/trace_marker
CPU=$((CPU + 1))
done
}
################################################################################
# Main Function Dispatcher
################################################################################
case $CMD in
cpufreq_set_all_frequencies)
cpufreq_set_all_frequencies $*
;;
cpufreq_get_all_frequencies)
cpufreq_get_all_frequencies
;;
cpufreq_set_all_governors)
cpufreq_set_all_governors $*
;;
cpufreq_get_all_governors)
cpufreq_get_all_governors
;;
cpufreq_trace_all_frequencies)
cpufreq_trace_all_frequencies $*
;;
*)
echo "Command [$CMD] not supported"
exit -1
esac
# vim: tabstop=4 shiftwidth=4