Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org --- cpuhotplug/cpuhotplug_04.sh | 71 ++++++++++++++++++++++++++++++++++++++++++ cpuhotplug/cpuhotplug_04.txt | 1 + 2 files changed, 72 insertions(+), 0 deletions(-) create mode 100644 cpuhotplug/cpuhotplug_04.sh create mode 100644 cpuhotplug/cpuhotplug_04.txt
diff --git a/cpuhotplug/cpuhotplug_04.sh b/cpuhotplug/cpuhotplug_04.sh new file mode 100644 index 0000000..6cf944f --- /dev/null +++ b/cpuhotplug/cpuhotplug_04.sh @@ -0,0 +1,71 @@ +#!/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#cpuhotp... + +CPUBURN=../utils/cpuburn +source ../include/functions.sh + +check_task_migrate() { + local cpu=$1 + local cpuid=${cpu:3} + local cpumask=$((1 << cpuid)) + local dirpath=$CPU_PATH/$1 + local pid= + local ret= + + if [ "$cpu" == "cpu0" ]; then + return 0 + fi + + taskset -c 0x$cpumask $CPUBURN $cpu & + pid=$! + sleep 1 # let taskset to do setaffinity before checking + + ret=$(taskset -p $pid | cut -d ':' -f 2) + ret=$(echo $ret) # remove trailing whitespace + ret=$(printf "%d" 0x$ret) + check "affinity is set" "test $cpumask -eq $ret" + + sleep 1 + set_offline $cpu + ret=$? + + check "offlining a cpu with affinity succeed" "test $ret -eq 0" + + ret=$(taskset -p $pid | cut -d ':' -f 2) + ret=$(echo $ret) + ret=$(printf "%d" 0x$ret) + check "affinity changed" "test $cpumask -ne $ret" + + kill $pid + + # in any case we set the cpu online in case of the test fails + set_online $cpu + + return 0 +} + +for_each_cpu check_task_migrate diff --git a/cpuhotplug/cpuhotplug_04.txt b/cpuhotplug/cpuhotplug_04.txt new file mode 100644 index 0000000..c0689a3 --- /dev/null +++ b/cpuhotplug/cpuhotplug_04.txt @@ -0,0 +1 @@ +test task is migrated with task affinity