#!/bin/bash# March-13-2006 # CPUuse trigger script by Noel # # bash code to watch a running program's CPU usage. # if it's above a set value, it will auto send an email. # You will need to set a Cron job to run this script every xx minutes # # Set some needed things: # processToWatch="convert" # in my case I need to watch convert emailAddress="root@host" # this is my main emailaddress triggerValue=90 # if the CPU use is above 90% send an email. DO NOT USE a DOT or COMMA! tempFileName=tmp-cpu # some name of the temp file for the ps, grep data
ps auxww | grep "$processToWatch" | grep -v grep > /tmp/$tempFileName export LINE ( read LINE while [ -n "$LINE" ] do set $LINE read LINE if [ $(echo "$3" | sed -e 's/\.[0-9]*//g') -gt $triggerValue ]; then mail -s "CPU message alert for: $processToWatch" $emailAddress <<-END This is to inform you that the following process: $processToWatch with PID (Process ID) $2 is now using more than your preset $triggerValue value.
Process: $processToWatch is using: $3 of CPU power! The command used is: $11 END fi done )< /tmp/$tempFileName