51 lines
1.5 KiB
Bash
51 lines
1.5 KiB
Bash
#!/bin/bash
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CPUPOWER_CONFIG="/etc/default/cpupower"
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if [ -f "${CPUPOWER_CONFIG}" ]; then
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source "${CPUPOWER_CONFIG}"
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else
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exit 0
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fi
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print_header() {
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cat << HEADER
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###############################################################################
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# ${@}
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###############################################################################
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HEADER
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}
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# Set the CPU governor
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if [ ! "${CPU_GOVERNOR}" == "" ]; then
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print_header "Setting CPU governor to ${CPU_GOVERNOR}"
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cpupower frequency-set --governor "${CPU_GOVERNOR}" &> /dev/null
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cpupower frequency-info
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else
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echo "CPU governor is not set."
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fi
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# Set the Cstate by Max C-State
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if [ ! "${CPU_CSTATE_MAX}" == "" ]; then
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print_header "Setting CPU CStates to max \"${CPU_CSTATE_MAX}\""
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CPU_POWER_SET_ACTION="-e"
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CPU_POWER_CSTATE=0
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for CPU_CSTATE_NAME in /sys/devices/system/cpu/cpu0/cpuidle/state*/name; do
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cpupower idle-set "${CPU_POWER_SET_ACTION}" "${CPU_POWER_CSTATE}" &> /dev/null
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CPU_POWER_CSTATE=$((CPU_POWER_CSTATE+1))
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if grep -q "\b${CPU_CSTATE_MAX}\b" "${CPU_CSTATE_NAME}"; then
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CPU_POWER_SET_ACTION="-d"
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fi
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done
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cpupower idle-info
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# Set the Cstate by latency
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elif [ ! "${CPU_CSTATES_DISABLE_BY_LATENCY}" == "" ]; then
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print_header "Setting CPU CStates by latency to ${CPU_CSTATES_DISABLE_BY_LATENCY}"
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cpupower idle-set --disable-by-latency "${CPU_CSTATES_DISABLE_BY_LATENCY}" &> /dev/null
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cpupower idle-info
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else
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echo "No CPU Cstates configured."
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fi
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