MySQL获取系统性能和状态

#!/bin/ksh
INTERVAL=5
PREFIX=$INTERVAL-sec-status
touch /tmp/running
RUNFILE=/tmp/running
my -e 'show global variables' >> 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
	my -e 'show global status' >> $PREFIX-${file}-status &
	echo "$ts $loadavg" >> $PREFIX-${file}-innodbstatus
	my -e 'show engine innodb status\G' >> $PREFIX-${file}-innodbstatus &
	echo "$ts $loadavg" >> $PREFIX-${file}-processlist
	my -e 'show full processlist\G' >> $PREFIX-${file}-processlist &
	echo $ts
done
echo Exiting because $RUNFILE does not exist.