| #!/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: |
| # Daniel Lezcano <daniel.lezcano@linaro.org> (IBM Corporation) |
| # - initial API and implementation |
| # |
| |
| # URL : https://wiki.linaro.org/WorkingGroups/PowerManagement/Resources/TestSuite/PmQaSpecification#cpuhotplug_08 |
| |
| . ../include/functions.sh |
| |
| randomize() { |
| random=$(od -A n -N 2 -t u2 /dev/urandom) |
| number=$(echo $random % $1) |
| |
| if [ $hotplug_allow_cpu0 -eq 0 ]; then |
| number=$(($number + 1)) |
| fi |
| |
| echo $number |
| } |
| |
| random_stress() { |
| cpu_present=$(cat /sys/devices/system/cpu/present | cut -d '-' -f 2) |
| cpurand=$(randomize $cpu_present) |
| |
| # randomize will in range "1-$cpu_present) so cpu0 is ignored |
| set_offline cpu$cpurand |
| ret=$? |
| check "cpu$cpurand is offline" "test $ret -eq 0" |
| |
| set_online cpu$cpurand |
| ret=$? |
| check "cpu$cpurand is online" "test $ret -eq 0" |
| } |
| |
| for i in $(seq 1 100); do random_stress ; done |
| test_status_show |