linux模拟cpu占用100%脚本

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转至：https://www.cnblogs.com/opma/p/11607434.html

脚本如下：

#! /bin/sh
# filename killcpu.sh
if [ $# -ne 1 ] ; then
echo "USAGE: $0 <CPUs>|stop"
exit 1;
fistop()
{
while read LINE
do
kill -9 $LINE
echo "kill $LINE sucessfull"
done < pid.txt
cat /dev/null > pid.txt
}start()
{
echo "u want to cpus is: "$1
for i in `seq $1`
do
echo -ne "
i=0;
while true
do
i=i+1;
done" | /bin/sh &
pid_array[$i]=$! ;
donefor i in "${pid_array[@]}"; do
echo 'pid is: ' $i ';';
echo $i >> pid.txt
done
}case $1 in
stop)
stop
;;
*)
start $1
;;
esac