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#!/bin/bash
#
# PM-QA validation test suite for the power management on Linux
#
# Copyright (C) 2012, 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:
# Hongbo ZHANG <hongbo.zhang@linaro.org> (ST-Ericsson Corporation)
# - initial API and implementation
#
# URL : https://wiki.linaro.org/WorkingGroups/PowerManagement/Doc/QA/Scripts#suspend_05
source ../include/functions.sh
source ../include/suspend_functions.sh
args_power_sleep=60
if [ "$suspend_power" -eq 0 ]; then
log_skip "battery consumption test while suspend"
exit 0
fi
if [ ! -d /proc/acpi/battery/ ]; then
log_skip "acpi interface is not there"
exit 0
fi
battery_count=`battery_count`
if [ "$battery_count" -eq 0 ]; then
log_skip "no BATTERY detected for power test"
else
save_timer_sleep="$timer_sleep"
let timer_sleep="$args_power_sleep"
ac_required 0
phase
# get start values
date_before=`date +%s`
bat_before=`battery_capacity`
# Suspend
check "battery drain during suspend" suspend_system "mem"
if [ $? -ne 0 ]; then
cat "$LOGFILE" 1>&2
fi
# get end values
date_after=`date +%s`
bat_after=`battery_capacity`
# do the calculations
let consumed="$bat_before - $bat_after"
let elapsed="$date_after - $date_before"
let usage="($consumed * 60*60) / $elapsed"
# output the results
ECHO "before: $bat_before mWh"
ECHO "after: $bat_after mWh"
ECHO "consumed: $consumed mW"
ECHO "sleep seconds: $elapsed sec"
ECHO "overall usage: $usage mW"
report_battery="$usage mW"
if [ $elapsed -lt 600 ]
then
ECHO "WARNING: the suspend was less than 10 minutes"
ECHO " to get reliable numbers increase the sleep time"
report_battery="$report_battery (unreliable)"
fi
timer_sleep="$save_timer_sleep"
fi
restore_trace
rm -f "$LOGFILE"
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