1*e5174365SFrancesco Poli (wintermute)# SPDX-License-Identifier: GPL-2.0-or-later 2*e5174365SFrancesco Poli (wintermute)# Copyright (C) 2012, Sébastien Luttringer 3*e5174365SFrancesco Poli (wintermute)# Copyright (C) 2024-2025, Francesco Poli <invernomuto@paranoici.org> 4*e5174365SFrancesco Poli (wintermute) 5*e5174365SFrancesco Poli (wintermute)# Configuration file for cpupower.service systemd service unit 6*e5174365SFrancesco Poli (wintermute)# 7*e5174365SFrancesco Poli (wintermute)# Edit this file (uncommenting at least one of the options, depending on 8*e5174365SFrancesco Poli (wintermute)# your preferences) and then enable cpupower.service, if you want cpupower 9*e5174365SFrancesco Poli (wintermute)# to run at boot with these settings. 10*e5174365SFrancesco Poli (wintermute) 11*e5174365SFrancesco Poli (wintermute)# --- CPU clock frequency --- 12*e5174365SFrancesco Poli (wintermute) 13*e5174365SFrancesco Poli (wintermute)# Define CPU governor 14*e5174365SFrancesco Poli (wintermute)# Valid governors: ondemand, performance, powersave, conservative, userspace 15*e5174365SFrancesco Poli (wintermute)#GOVERNOR='ondemand' 16*e5174365SFrancesco Poli (wintermute) 17*e5174365SFrancesco Poli (wintermute)# Limit frequency range 18*e5174365SFrancesco Poli (wintermute)# Valid suffixes: Hz, kHz (default), MHz, GHz, THz 19*e5174365SFrancesco Poli (wintermute)#MIN_FREQ="2.25GHz" 20*e5174365SFrancesco Poli (wintermute)#MAX_FREQ="3GHz" 21*e5174365SFrancesco Poli (wintermute) 22*e5174365SFrancesco Poli (wintermute)# Set a specific frequency 23*e5174365SFrancesco Poli (wintermute)# Requires userspace governor to be available. 24*e5174365SFrancesco Poli (wintermute)# If this option is set, all the previous frequency options are ignored 25*e5174365SFrancesco Poli (wintermute)#FREQ= 26*e5174365SFrancesco Poli (wintermute) 27*e5174365SFrancesco Poli (wintermute)# --- CPU policy --- 28*e5174365SFrancesco Poli (wintermute) 29*e5174365SFrancesco Poli (wintermute)# Set a register on supported Intel processore which allows software to convey 30*e5174365SFrancesco Poli (wintermute)# its policy for the relative importance of performance versus energy savings to 31*e5174365SFrancesco Poli (wintermute)# the processor. See man CPUPOWER-SET(1) for additional details 32*e5174365SFrancesco Poli (wintermute)#PERF_BIAS= 33