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#!/bin/sh
#
# PM-QA validation test suite for the power management on Linux
#
# Copyright (C) 2011, Linaro Limited.
#
# 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 2
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#
# Contributors:
# Amit Daniel <amit.kachhap@linaro.org> (Samsung Electronics)
# - initial API and implementation
#
# URL : https://wiki.linaro.org/WorkingGroups/PowerManagement/Resources/TestSuite/PmQaSpecification#thermal_04
. ../include/functions.sh
. ../include/thermal_functions.sh
HEAT_CPU_MODERATE=../utils/heat_cpu
pid=0
heater_kill() {
if [ $pid -ne 0 ]; then
kill -9 $pid
fi
}
verify_cooling_device_temp_change() {
dirpath=$THERMAL_PATH/$1
cdev_name=$1
shift 1
tzonepath=$THERMAL_PATH/thermal_zone0
test -d $tzonepath
if [ $? -ne 0 ] ; then
echo "No thermal zone present"
return 1;
fi
max_state=$(cat $dirpath/max_state)
prev_state_val=$(cat $dirpath/cur_state)
count=1
cur_state_val=0
init_temp=0
final_temp=0
cool_temp=0
$HEAT_CPU_MODERATE moderate &
pid=$!
test $pid -eq 0 && return
while (test $count -le $max_state); do
echo 0 > $dirpath/cur_state
sleep 5
init_temp=$(cat $tzonepath/temp)
echo $count > $dirpath/cur_state
sleep 5
final_temp=$(cat $tzonepath/temp)
cool_temp=$(($init_temp - $final_temp))
check "$cdev_name:state=$count effective cool=$cool_temp "\
"test $cool_temp -ge 0"
count=$((count+1))
done
heater_kill
echo $prev_state_val > $dirpath/cur_state
}
trap "heater_kill; sigtrap" HUP INT TERM
set_thermal_governors user_space
for_each_cooling_device verify_cooling_device_temp_change
restore_thermal_governors
test_status_show
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