Qoueries  所有Query的数
Threads connected  已连接的线程
Threads running  正在运行的线程

$ mysqladmin ext -i1 | awk '/Qoueries/{q=$4-qp;qp=$4} /Threads_connected/{tc=$4} /Threads_running/{printf "%5d %5d %5d\n", q,tc, $4}'