#!/bin/sh # Copyright (c) 2013, The Linux Foundation. All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above # copyright notice, this list of conditions and the following # disclaimer in the documentation and/or other materials provided # with the distribution. # * Neither the name of The Linux Foundation nor the names of its # contributors may be used to endorse or promote products derived # from this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED # WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR # BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, # WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE # OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN # IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. online_offline_cores() { cores=`grep -c "processor" $cpuinfo` count=1 loop=10 stop mpdecision #off-on each core in sequence. Repeat 10 times for i in $(seq 1 $loop) do while [ $count -lt $cores ] do echo 0 > $cpupath$count"/online" sleep 1 echo 1 > $cpupath$count"/online" count=$(( count + 1 )) done done #off-on multiple cores at a time. Repeat 10 times loop=10 count=1 for i in $(seq 1 $loop) do while [ $count -lt $cores ] do echo 0 > $cpupath$count"/online" count=$(( count + 1 )) done sleep 1 count=1 while [ $count -lt $cores ] do echo 1 > $cpupath$count"/online" count=$(( count + 1 )) done done start mpdecision } echo "-----Coresight Trace Driver Adversarial Test Starting-----" echo "----------------------------------------------------------" source "$(dirname $0)/cs_common.sh" etm_enable_all_cores stm_enable if [ ! -d $debugfs ] then mkdir -p $debugfs fi mount -t debugfs nodev $debugfs 2>"/dev/null" echo 1 > $debugfs"/tracing/tracing_on" echo 1 > $debugfs"/tracing/events/enable" echo "*:*" > $debugfs"/tracing/set_event" online_offline_cores etm_disable_all_cores stm_disable umount $debugfs 2>"/dev/null" echo "PASS: Online-Offline all cores with trace drivers enabled" echo "-----Coresight Trace Driver Adversarial Test Complete-----" echo "----------------------------------------------------------" echo ""