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|
#!/bin/sh
PATH=$PATH:$(pwd)/../../../mce-inject
page_type="slab buddy mmap anonymous nopage huge"
function get_free_page()
{
local rand=0
cnt=`page-types -Nl -b $1 | tee page_$1 | wc -l`
if [ $cnt -gt 1 ]; then
rand=$(expr $RANDOM % $cnt + 1)
if [ ${rand} -eq 1 ]; then
# skip the title line of output
((rand++))
fi
page=`awk -v line=${rand} 'NR == line {print $1}' page_$1`
echo 0x${page}
else
echo 0
fi
rm -f page_$1
}
if [ "$1" = "" ]; then
echo "usage $0 conf_file"
exit 1
fi
if [ ! -f $1 ]; then
echo "configure file not exists: $1"
exit 1
fi
which page-types > /dev/null 2>&1
if [ $? -ne 0 ];then
echo "please install page-types tool first"
exit 1
fi
echo "+++ start the injection for $1 +++"
NUMT="$(awk '/# trigger: / { print $3}' $1)"
THRESHOLD="$(awk '/memory-ce-threshold = / { print $3}' $1)"
if [ "$NUMT" -eq 0 ]; then
echo "No injection will be done!"
exit 0
fi
if [ "$THRESHOLD" -eq 0 ]; then
echo "Threshold should not be 0!"
exit 1
fi
trigger_cnt=0
while [ "$trigger_cnt" -lt "$NUMT" ]; do
for i in ${page_type}; do
P=$(get_free_page $i)
if [ "$P" = "0" ]; then
continue
fi
if [ "$trigger_cnt" -ge "$NUMT" ]; then
exit 0;
fi
inject_cnt=0
while [ "$inject_cnt" -lt "$THRESHOLD" ]; do
echo "inject for page type $i at physical address ${P}000 [ NO. $inject_cnt ]"
../../input/GENPAGE $P | mce-inject
inject_cnt=$(($inject_cnt+1))
done
if [ "$inject_cnt" -eq "$THRESHOLD" ]; then
trigger_cnt=$(($trigger_cnt+1))
fi
done
if [ "$trigger_cnt" -eq 0 ]; then
echo "None available free pages found!"
exit 1
fi
done
|
