Shell Script to Monitor process which stalled (cpu 100%) AMP

Script: Use CutyCapt as an example

代碼:

## read last cutycapt pid#thisfile=/tmp/.cutycaptchecka=0if [ -f "$thisfile" ]; then        a=`head $thisfile | cut -b1-5`fi## record Capt into .cutycapcheck again#top -b -n 1 | grep Cuty > $thisfile## read current pid#b=`head $thisfile | cut -b1-5`#echo "a == $a"#echo "b == $b"if [ x"$a" = "x" ]; then        logger "CutyCaptCheck: Do nothing (No A)"        exitfiif [ x"$b" = "x" ]; then        logger "CutyCaptCheck: Do nothing (No B)"        exitfiif [ "$a" -eq "$b" ]; then  logger "CutyCaptCheck: KILL pid = $a"  kill -9 $aelse        logger "CutyCaptCheck: Do nothing (A != B)"fi

Then, modify the /etc/crontab if you it to run more frequently

e.g. Use "kill-CutyCapt" as an examplecheck if any CutyCapty stalled every 3 mins

代碼:

*/3 * * * * root /usr/sbin/killcuty