linux测试系统负载命令

{ yes > /dev/null & } && sleep 30 && ps -ef|grep yes|awk '{print $2}'|xargs kill

for i in $(seq 0 $(($(cat /proc/cpuinfo |grep processor|wc -l)-1))); do taskset -c $i yes > /dev/null & done && sleep 60 && ps -ef|grep yes|awk '{print $2}'|xargs kill