286 lines
7.1 KiB
Bash
286 lines
7.1 KiB
Bash
# Copyright (c) 2014, The Linux Foundation. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of The Linux Foundation nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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[ -d /system/lib/modules/ ] && modpath=/system/lib/modules
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[ -d /kernel-tests/modules/lib/modules/$(uname -r 2>/dev/null)/extra ] && modpath=/kernel-tests/modules/lib/modules/$(uname -r)/extra
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[ -d /usr/kernel-tests/hrtimer ] && modpath=/usr/kernel-tests/hrtimer
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if [[ -z "$modpath" ]]; then
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echo "Couldn't find a path to kernel module. Bailing..."
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exit 1
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fi
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hrtimer_test_mod=$modpath/hrtimer_test_module.ko
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test_debugfs_dev=/sys/kernel/debug
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hrtimer_dev_sys_result=${test_debugfs_dev}/hrtimer-test/status
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hrtimer_dev_sys_count=${test_debugfs_dev}/hrtimer-test/count
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hrtimer_dev_sys_timernum=${test_debugfs_dev}/hrtimer-test/timer_num
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hrtimer_dev_sys_start=${test_debugfs_dev}/hrtimer-test/start
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hrtimer_module_name=hrtimer_test_module
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hrtimer_test_time=3600
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timer_num=0
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count=0
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# Function hrtimer_test_init
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# Parameters:
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# return 0 on success otherwise return 1
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hrtimer_test_init(){
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if [ ! -d $test_debugfs_dev ]; then
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mount -t debugfs nodev /sys/kernel/debug
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if [ $? -ne 0 ]; then
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echo "HRTIMER: Couldn't mount debugfs."
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return 1
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fi
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fi
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if [ ! -d $modpath ]; then
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echo "HRTIMER: Couldn't find a path to the kernel module."
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return 1
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fi
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if [ ! -d /lib/modules/$(uname -r) ]; then
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mount -o remount rw, /
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mkdir -p /lib/modules/$(uname -r)
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return $?
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fi
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# remove hrtimer_test_module before test
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lsmod | grep "$hrtimer_module_name"
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if [ $? -eq 0 ]; then
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rmmod $hrtimer_module_name > /dev/null 2>&1
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if [ $? -ne 0 ]; then
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echo "ERROR: failed to remove module $hrtimer_test_mod"
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return 1
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fi
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fi
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return 0
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}
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# Function hrtimer_test
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# Parameters:
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# 1) Timer test loop for each thread
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# 2) The number of timer to open
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# return 0 on success otherwise return 1
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hrtimer_test(){
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# insert hrtimer_test_module
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insmod $hrtimer_test_mod
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if [ $? -ne 0 ] || [ ! -e $hrtimer_test_dev_sys ]; then
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echo "ERROR: failed to load module $hrtimer_test_mod"
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return 1
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fi
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if [ -z "$1" ]; then
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if [ -f $hrtimer_dev_sys_count ]; then
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count=`cat ${hrtimer_dev_sys_count}`
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else
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echo "ERROR: failed to get hrtimer test times"
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return 1
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fi
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else
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count=$1
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fi
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if [ -z "$2" ]; then
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if [ -f $hrtimer_dev_sys_timernum ]; then
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timer_num=`cat ${hrtimer_dev_sys_timernum}`
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else
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echo "ERROR: failed to get the number of timer"
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return 1
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fi
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else
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timer_num=$2
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fi
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# Start to test
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echo "Hrtimer is starting. It might take several minutes or longer..."
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echo $count > ${hrtimer_dev_sys_count}
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if [ $? -ne 0 ]; then
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echo "ERROR: failed to pass parameter(count) to driver"
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return 1
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fi
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echo $timer_num > ${hrtimer_dev_sys_timernum}
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if [ $? -ne 0 ]; then
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echo "ERROR: failed to pass parameter(timer_num) to driver"
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return 1
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fi
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if [ -f ${hrtimer_dev_sys_start} ]; then
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echo 1 > ${hrtimer_dev_sys_start}
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if [ $? -ne 0 ]; then
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echo "ERROR: failed to start test"
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return 1
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fi
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else
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echo "ERROR: failed to find the path: $hrtimer_dev_sys_start"
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return 1
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fi
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# check test result
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while [ $hrtimer_test_time -gt 0 ]; do
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let hrtimer_test_time=hrtimer_test_time-1
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sleep 1
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start_result=`cat $hrtimer_dev_sys_start`
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if [ ${start_result} -eq 0 ]; then
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break
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fi
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done
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status=`cat $hrtimer_dev_sys_result`
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if [ $status -ne 0 ]; then
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return 1
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else
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return 0
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fi
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}
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# Function hrtimer_test_nominal
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# Parameters:
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# return 0 on success otherwise return 1
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hrtimer_nominal_test(){
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hrtimer_test # default timer number:2 test loop: 1000
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if [ $? -ne 0 ]; then
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return 1
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fi
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return 0
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}
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# Function hrtimer_stress_test
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# Parameters:
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# 1) Timer test loop for each thread
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# 2) The number of timer to open
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# return 0 on success otherwise return 1
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hrtimer_stress_test(){
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if [ -z "$1" ] || [ -z "$2" ] || [ $1 -eq 0 ] || [ $2 -eq 0 ]; then
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echo "ERROR: failed to get parameter"
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return 1
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fi
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hrtimer_test $1 $2
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if [ $? -ne 0 ]; then
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return 1
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fi
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return 0
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}
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# Begin script execution here
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nominal_test=0
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stress_test=0
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custom_test=0
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hrtimer_loop=0
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hrtimer_num=0
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while [ $# -gt 0 ]
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do
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case $1 in
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-n | --nominal)
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nominal_test=1
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shift 1
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;;
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-s | --stress)
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stress_test=1
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hrtimer_loop=50000
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hrtimer_num=10
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shift 1
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;;
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-c | --custom)
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custom_test=1
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hrtimer_loop=$2
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hrtimer_num=$3
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shift 3
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;;
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-h | --help | *)
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echo "Usage: $0 [-n | --nominal] [-s | --stress] [(-c | --custom) <loop> <timer_number>]"
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echo " loop: Timer test loop for each thread"
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echo " timer_number: The number of timer to open"
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exit 1
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;;
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esac
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done
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if [ $nominal_test -eq 0 -a $stress_test -eq 0 -a $custom_test -eq 0 ]; then
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nominal_test=1
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fi
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#init hrtimer
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hrtimer_test_init
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if [ $? -ne 0 ]; then
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exit 1
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fi
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result=1
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#do nominal test
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if [ $nominal_test -eq 1 ]; then
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echo "=== Running Nominal Test ==="
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hrtimer_nominal_test
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if [ $? -eq 0 ]; then
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echo "Nominal Test Passed"
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result=0
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else
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echo "Nominal Test Failed"
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result=1
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fi
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fi
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#do stress_test test
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if [ $stress_test -eq 1 ]; then
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echo "=== Running stress_test Test ==="
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hrtimer_stress_test $hrtimer_loop $hrtimer_num
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if [ $? -eq 0 ]; then
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echo "Stress Test Passed"
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result=0
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else
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echo "Stress Test Failed"
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result=1
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fi
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fi
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#do custom_test test
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if [ $custom_test -eq 1 ]; then
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echo "=== Running custom_test Test ==="
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hrtimer_stress_test $hrtimer_loop $hrtimer_num
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if [ $? -eq 0 ]; then
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echo "Custom Test Passed"
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result=0
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else
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echo "Custom Test Failed"
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result=1
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fi
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fi
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# remove hrtimer_test_module after test
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lsmod | grep "$hrtimer_module_name"
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if [ $? -eq 0 ]; then
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rmmod $hrtimer_module_name > /dev/null 2>&1
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if [ $? -ne 0 ]; then
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echo "ERROR: failed to remove module $hrtimer_test_mod"
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exit 1
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fi
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fi
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exit $result
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