mysql 数据收集shell脚本

#!/bin/sh
INTERVAL=5
PREFIX=$INTERVAL-sec-status
RUNFILE=/home/benchmarks/running
mysql -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
   mysql -e 'SHOW GLOBAL STATUS' >> $PREFIX-$(file)-status &
   echo "$ts $loadavg" >> $PREFIX-${file}-innodbstatus
   echo -e 'SHOW ENGINE INNODB STATUS\G' >> $PREFIX-${file}-innodbstatus  &
   echo "$ts $loadavg" >> $PREFIX-${file}-processlist
   mysql -e 'SHOW FULL PROCESSLIST\G' >> $PREFIX-${file}-processlist & echo $ts
done

echo Exiting because $RUNFILE does not exist.