237 lines
7.3 KiB
Bash
Executable File
237 lines
7.3 KiB
Bash
Executable File
#!/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.
|
|
|
|
|
|
cpupath="/sys/devices/system/cpu/cpu"
|
|
cpuinfo="/proc/cpuinfo"
|
|
csrpath="/sys/bus/coresight/devices/coresight-csr"
|
|
debugfs="/sys/kernel/debug"
|
|
etmpath="/sys/bus/coresight/devices/coresight-etm"
|
|
f0path="/sys/bus/coresight/devices/coresight-funnel-in0"
|
|
f1path="/sys/bus/coresight/devices/coresight-funnel-in1"
|
|
fmergpath="/sys/bus/coresight/devices/coresight-funnel-merg"
|
|
fkpsspath="/sys/bus/coresight/devices/coresight-funnel-kpss"
|
|
fmmsspath="/sys/bus/coresight/devices/coresight-funnel-mmss"
|
|
replicatorpath="/sys/bus/coresight/devices/coresight-replicator"
|
|
stmpath="/sys/bus/coresight/devices/coresight-stm"
|
|
tmcetfpath="/sys/bus/coresight/devices/coresight-tmc-etf"
|
|
tmcetrpath="/sys/bus/coresight/devices/coresight-tmc-etr"
|
|
tpiupath="/sys/bus/coresight/devices/coresight-tpiu"
|
|
|
|
|
|
|
|
#===============================================================
|
|
#function to enable etm for all cores
|
|
#returns 0 if etm for all cores are present and could be written to, 1 otherwise
|
|
#===============================================================
|
|
etm_enable_all_cores() {
|
|
count=0
|
|
retval=0
|
|
cores=`grep -c "processor" $cpuinfo`
|
|
stop mpdecision
|
|
while [ $count -lt $cores ]
|
|
do
|
|
etmpath_enable=$etmpath$count"/enable"
|
|
cpupath_enable=$cpupath$count"/online"
|
|
echo 1 > $cpupath_enable
|
|
if [ -f $etmpath_enable ]
|
|
then
|
|
echo 1 > $etmpath_enable
|
|
else
|
|
echo "FAIL: No coresight-etm$count driver present ****"
|
|
retval=1
|
|
fi
|
|
count=$(( count + 1 ))
|
|
done
|
|
start mpdecision
|
|
return $retval
|
|
}
|
|
|
|
#=============================================================
|
|
#function to test if etm of all cores are enabled
|
|
#returns 0 if all cores are enabled, 1 otherwise
|
|
#=============================================================
|
|
etm_test_if_enabled() {
|
|
count=0
|
|
retval=0
|
|
cores=`grep -c "processor" $cpuinfo`
|
|
while [ $count -lt $cores ]
|
|
do
|
|
etmpath_enable=$etmpath$count"/enable"
|
|
if [ -f $etmpath_enable ]
|
|
then
|
|
read value < $etmpath_enable
|
|
if [ $value != "1" ]
|
|
then
|
|
echo "FAIL: coresight-etm$count device not enabled ****"
|
|
retval=1
|
|
fi
|
|
else
|
|
retval=1
|
|
fi
|
|
count=$(( count + 1 ))
|
|
done
|
|
return $retval
|
|
}
|
|
|
|
#===============================================================
|
|
#function to disable etm for all cores
|
|
#returns 0 if etm for all cores are present and could be written to, 1 otherwise
|
|
#===============================================================
|
|
etm_disable_all_cores() {
|
|
count=0
|
|
retval=0
|
|
cores=`grep -c "processor" $cpuinfo`
|
|
stop mpdecision
|
|
while [ $count -lt $cores ]
|
|
do
|
|
etmpath_enable=$etmpath$count"/enable"
|
|
cpupath_enable=$cpupath$count"/online"
|
|
echo 1 > $cpupath_enable
|
|
if [ -f $etmpath_enable ]
|
|
then
|
|
echo 0 > $etmpath_enable
|
|
else
|
|
echo "FAIL: No coresight-etm$count driver present ****"
|
|
retval=1
|
|
fi
|
|
count=$(( count + 1 ))
|
|
done
|
|
start mpdecision
|
|
return $retval
|
|
}
|
|
|
|
#=============================================================
|
|
#function to test if etm of all cores are disabled
|
|
#returns 0 if all cores are disabled, 1 otherwise
|
|
#=============================================================
|
|
etm_test_if_disabled() {
|
|
count=0
|
|
retval=0
|
|
cores=`grep -c "processor" $cpuinfo`
|
|
while [ $count -lt $cores ]
|
|
do
|
|
etmpath_enable=$etmpath$count"/enable"
|
|
if [ -f $etmpath_enable ]
|
|
then
|
|
read value < $etmpath_enable
|
|
if [ $value != "0" ]
|
|
then
|
|
echo "FAIL: coresight-etm$count device not disabled ****"
|
|
retval=1
|
|
fi
|
|
else
|
|
retval=1
|
|
fi
|
|
count=$(( count + 1 ))
|
|
done
|
|
return $retval
|
|
}
|
|
|
|
|
|
#==============================================================
|
|
#function to enable stm
|
|
#returns 0 if device is written to, 1 otherwise
|
|
#==============================================================
|
|
stm_enable() {
|
|
stmpath_enable=$stmpath"/enable"
|
|
if [ -f $stmpath_enable ]
|
|
then
|
|
echo 1 > $stmpath_enable
|
|
retval=0
|
|
else
|
|
echo "FAIL: No coresight-stm driver present ****"
|
|
retval=1
|
|
fi
|
|
return $retval
|
|
}
|
|
|
|
#==============================================================
|
|
#function to test if stm is enabled
|
|
#returns 0 on success, 1 otherwise
|
|
#==============================================================
|
|
stm_test_if_enabled() {
|
|
stmpath_enable=$stmpath"/enable"
|
|
if [ -f $stmpath_enable ]
|
|
then
|
|
read value < $stmpath_enable
|
|
if [ $value = "1" ]
|
|
then
|
|
retval=0
|
|
else
|
|
echo "FAIL: coresight-stm device not enabled ****"
|
|
retval=1
|
|
fi
|
|
else
|
|
retval=1
|
|
fi
|
|
return $retval
|
|
}
|
|
|
|
#==============================================================
|
|
#function to disable stm
|
|
#returns 0 if device could be written to, 1 otherwise
|
|
#==============================================================
|
|
stm_disable() {
|
|
stmpath_enable=$stmpath"/enable"
|
|
if [ -f $stmpath_enable ]
|
|
then
|
|
echo 0 > $stmpath_enable
|
|
retval=0
|
|
else
|
|
echo "FAIL: No coresight-stm driver present ****"
|
|
retval=1
|
|
fi
|
|
return $retval
|
|
}
|
|
|
|
#===============================================================
|
|
#function to test if stm is disabled
|
|
#returns 0 on success, 1 otherwise
|
|
#===============================================================
|
|
stm_test_if_disabled() {
|
|
stmpath_enable=$stmpath"/enable"
|
|
if [ -f $stmpath_enable ]
|
|
then
|
|
read value < $stmpath_enable
|
|
if [ $value = "0" ]
|
|
then
|
|
retval=0
|
|
else
|
|
echo "FAIL: coresight-stm device not disabled ****"
|
|
retval=1
|
|
fi
|
|
else
|
|
retval=1
|
|
fi
|
|
return $retval
|
|
}
|
|
|
|
|