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#!/bin/bash
#
# PM-QA validation test suite for the power management on ARM
#
# 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:
# Daniel Lezcano <daniel.lezcano@linaro.org> (IBM Corporation)
# - initial API and implementation
#
# URL : https://wiki.linaro.org/WorkingGroups/PowerManagement/Doc/QA/Scripts#cpufreq_04
source ../include/functions.sh
check_frequency() {
local cpu=$1
local newfreq=$2
shift 2
local oldgov=$(get_governor $cpu)
local oldfreq=$(get_frequency $cpu)
set_governor $cpu userspace
set_frequency $cpu $newfreq
check "setting frequency '$(frequnit $newfreq)'" "test \"$(get_frequency $cpu)\" == \"$newfreq\""
set_frequency $cpu $oldfreq
set_governor $cpu $oldgov
}
if [ $(id -u) != 0 ]; then
log_skip "run as non-root"
exit 0
fi
for_each_cpu for_each_frequency check_frequency || exit 1
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