set-governor.sh

#!/system/bin/sh
# Copyright (C) 2012 Linaro Limited

# Author: Linaro Validation Team <linaro-dev@lists.linaro.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

insmod /system/modules/arm-bl-cpufreq.ko
basepath=/sys/devices/system/cpu

list=`cat $basepath/cpu0/cpufreq/scaling_available_governors`

case " $list" in
*" $1 "*)
       for c in `find $basepath -name 'cpu?' -type d`; do
               echo $1 > $c/cpufreq/scaling_governor;
       done;;
*)
       echo "Usage: $0 <$(echo $list|sed 's/ /|/g')>";
       echo ""
       echo "Current state:"
       for c in `find $basepath -name 'cpu?' -type d`; do
               echo $c: $(cat $c/cpufreq/scaling_governor);
       done;
       exit 0;;
esac