coyote/cpupower/cpupower.sh
2025-09-24 15:28:30 +02:00

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#!/bin/bash
CPUPOWER_CONFIG="/etc/default/cpupower"
if [ -f "${CPUPOWER_CONFIG}" ]; then
source "${CPUPOWER_CONFIG}"
else
exit 0
fi
print_header() {
cat << HEADER
###############################################################################
# ${@}
###############################################################################
HEADER
}
# Set the CPU governor
if [ ! "${CPU_GOVERNOR}" == "" ]; then
print_header "Setting CPU governor to ${CPU_GOVERNOR}"
cpupower frequency-set --governor "${CPU_GOVERNOR}" &> /dev/null
cpupower frequency-info
else
echo "CPU governor is not set."
fi
# Set the Cstate by latency
if [ ! "${CPU_CSTATES_DISABLE_BY_LATENCY}" == "" ]; then
print_header "Setting CPU CStates by latency to ${CPU_CSTATES_DISABLE_BY_LATENCY}"
cpupower idle-set --disable-by-latency "${CPU_CSTATES_DISABLE_BY_LATENCY}" &> /dev/null
cpupower idle-info
else
echo "No CPU Cstates by latency configured."
fi