#!/bin/sh
INTERVAL=5
PASSWORD='-ucncn -p123456'
PREFIX=$INTERVAL-sec-status
RUNFILE=/www/logs/mysql_bench
mysql -e 'SHOW GLOBAL VARIABLES' $PASSWORD >> mysql-variables
while test -e $RUNFILE; do
    file=$(date +%F_%I)
    sleep=$(date +%s.%N | awk "{print $INTERVAL - (/$1 % $INTERVAL)}")
    sleep $sleep
    ts="$(date + "TS %s.%N %F %T")"
    loadavg="$(uptime)"
    echo "$ts $loadavg" >> $PREFIX-${file}-status
    mysql -e 'SHOW GLOBAL STATUS' $PASSWORD >> $PREFIX-${file}-status &
    echo "$ts $loadavg" >> $PREFIX-${file}-innodbstatus
    echo -e 'SHOW ENGINE INNODB STATUS/G' $PASSWORD >> $PREFIX-${file}-innodbstatus  &
    echo "$ts $loadavg" >> $PREFIX-${file}-processlist
    mysql -e 'SHOW FULL PROCESSLIST/G' $PASSWORD >> $PREFIX-${file}-processlist & echo $ts
done
echo Exiting because $RUNFILE does not exist.

這個shell腳本很簡單，但提供了一個有效的收集狀態和性能數據的框架。