Linux

check_cpu.sh

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Description:

sh-compliant script to check CPU utiliziation via Jiffies instead of parsing another frontend tool

Current Version

1.0

Last Release Date

2009-05-14

Compatible With

  • Nagios 2.x
  • Nagios 3.x

Owner

Mike Adolphs

Website

http://www.matejunkie.com/

Download URL

http://www.matejunkie.com/cpu-check-plugin-for-nagios/

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Project Files
FileDescription
check_cpu.sh

The plugin (v1.0)

check_cpu.php

The appropriate PNP Template

LICENSE

GNU GPLv2 License

Project Photos
Project Notes
Description check_cpu.sh is a Nagios plugin to monitor CPU utilization. It makes use of /proc/stat and calculates it through Jiffies rather than using another frontend tool like iostat or top. When using optional warning/critical thresholds all values except idle are aggregated and compared to the thresholds. There's currently no support for warning/critical thresholds for specific usage parameters. -h/--help Output check_cpu.sh [-i/--interval] [-w/--warning] [-c/--critical] Options: --interval|-i) Defines the pause between the two times /proc/stat is being parsed. Higher values could lead to more accurate result. Default is: 1 second --warning|-w) Sets a warning level for CPU user. Default is: off --critical|-c) Sets a critical level for CPU user. Default is: off Output example user@host:~$ ./check_cpu.sh OK - user: 8.42, nice: 0.50, sys: 6.66, iowait: 0.50, irq: 0.50, softirq: 0.50 idle: 86.40 | 'user'=8.42 'nice'=0.50 'sys'=6.66 'softirq'=0.50 'iowait'=0.50 'irq'=0.50 'idle'=86.40 Changelog * 2009-05-14 * Small bugfix of an exit code
Reviews (1) Add a Review
Great Plugin.
by dgardella, February 29, 2012

Just One small correction , the pnp4nagios has an error with name of the fields : $def[1] = "DEF:used=$rrdfile:$DS[1]:AVERAGE " ; $def[1] .= "DEF:nice=$rrdfile:$DS[2]:AVERAGE " ; $def[1] .= "DEF:sys=$rrdfile:$DS[3]:AVERAGE " ; $def[1] .= "DEF:softirq=$rrdfile:$DS[4]:AVERAGE " ; $def[1] .= "DEF:iowait=$rrdfile:$DS[5]:AVERAGE " ; $def[1] .= "DEF:irq=$rrdfile:$DS[6]:AVERAGE " ; $def[1] .= "DEF:idle=$rrdfile:$DS[7]:AVERAGE " ; Regards,Diego


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