src/initscripts/packages/cpufreq

   1 #!/bin/sh
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007-2022  IPFire Team  <info@ipfire.org>                     #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 . /etc/sysconfig/rc
  23 . ${rc_functions}
  24
  25 case "${1}" in
  26         start)
  27                 boot_mesg -n "Starting cpufreq... "
  28
  29                 # try cpufreq hardware depend modules
  30                 for i in $(find /lib/modules/$(uname -r)/kernel/drivers/cpufreq \
  31                            ! -name speedstep-lib.ko.xz ! -name p4-clockmod.ko.xz ! -name "cpufreq_*" ! -name mperf.ko.xz | sort -d -r); do
  32                         module=$(basename $i | cut -d. -f1);
  33                         modprobe $module > /dev/null 2>&1;
  34                         if [ ${?} = 0 ]; then
  35                             boot_mesg -n "$SUCCESS$module$NORMAL "
  36                         fi
  37                 done
  38                 boot_mesg ""
  39
  40                 # load cqufreq governors
  41                 modprobe cpufreq_conservative
  42                 modprobe cpufreq_ondemand
  43                 modprobe cpufreq_powersave
  44                 modprobe cpufreq_userspace
  45
  46                 driver=`cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_driver 2>/dev/null`
  47
  48                 case "$driver" in
  49                     intel_pstate)
  50                         # pstate use internal gov so skip this setting
  51                         echo_ok;
  52                         ;;
  53                     *)
  54                         CPUCOUNT=`ls /sys/devices/system/cpu/cpu*/cpufreq/affected_cpus 2> /dev/null | wc -l `;
  55                         let CPUCOUNT-=1
  56                         # Set the governor to ondemand to test if it works
  57                         cpufreq-set -g ondemand
  58                         if [ ${?} = 0 ]; then
  59                                 # Set the governor to ondemand for all cpus
  60                                 for i in `seq 0 $CPUCOUNT`;
  61                                 do
  62                                         cpufreq-set -c $i -g ondemand
  63                                 done
  64                                 echo_ok;
  65                         else
  66                                 echo_failure;
  67                         fi
  68                         ;;
  69                     esac
  70                 exit 0;
  71                 ;;
  72         *)
  73                 echo "Usage: ${0} {start}"
  74                 exit 1
  75                 ;;
  76 esac