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Check Windows Performance Monitor Counters

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Current Version
1.1
Last Release Date
2017-10-23
Compatible With
  • Nagios 1.x
  • Nagios 2.x
  • Nagios 3.x
  • Nagios 4.x
  • Nagios XI
License
GPL
Hits
1082
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Plugin for Nagios that allow to check a group of Windows performance counters given in a xml file.

It checks value of performance counters based on thresholds specified and returns exit and performance data in Nagios format.
Check out on GitHub for more detailed information:

https://github.com/juangranados/check_win_perfmon

Preconfigured XML files
--------------------------

In downloaded zip package, there are several .xml files preconfigured:

PerfMonNetwork.xml***: Performance Counters to check network load.

PerfMonPhysicalDisk.xml***:Performance Counters to check physical Disk load.

PerfMonCPU.xml***: Performance Counters to check CPU load.

PerfMonMem.xml***: Performance Counters to check Memory (RAM and virtual) load.

PerfMonMSQL.xml***: Performance Counters to check Microsoft SQL Server.

Examples
-----------

Example CPU counters:*** check_win_perfmon.exe -f PerfMonCPU.xml

OK - All performance counters between range | 'ProcessorTime'=3%;95;100;0;100 'UserTime'=2%;85;95;0;100 'DPCTime'=0%;15;20;0;100 'InterruptTime'=0%;10;15;0;100 'ProcessorQueueLength'=0;4;8;;

Example Memory counters:*** check_win_perfmon.exe -f PerfMonMem.xml

OK - All performance counters between range | 'CommittedBytesInUse'=57%;80;90;0;100 'AvailableMBytes'=4083MB;1024;512;0;8192 'AvailableMBytesPercent'=50%;13;6;0;100 'FreeSystemPageTableEntries'=2867405056;5000;4000;; 'PagesSec'=0;5000;6000;;

Example Physical Disk counters:*** check_win_perfmon.exe -f PerfMonPhysicalDisk.xml

OK - All performance counters between range | 'AvgDiskSecTransfer'=0.0002s;0.04;0.05;; 'CurrentDiskQueueLength'=0;32;40;; 'AvgDiskSecWrite'=0.0002s;0.04;0.05;0; 'AvgDiskSecRead'=0s;0.04;0.05;0; 'IdleTime'=100%;20;15;0;100

Example Network counters:*** check_win_perfmon.exe -f PerfMonNetwork.xml

OK - All performance counters between range | 'BytesTotalSec'=1885.7051B;15728640;17825790;0;20971520 'BytesTotalSecPercent'=0%;75;85;0;100 'OutputQueueLength'=0;2;3;;

Example Microsoft SQL counters:*** check_win_perfmon.exe -f PerfMonMSQL.xml

OK - All performance counters between range | 'TotalServerMemory'=8381528KB;14680060;16252930;0;16777220 'TotalServerMemoryPercent'=50%;88;97;0;100 'TargetServerMemory'=8388608KB;14680060;16252930;0;16777220 'TargetServerMemoryPercent'=50%;88;97;0;100 'PageReadsSec'=0;90;100;; 'PageWritesSec'=0;90;100;; 'BufferCacheHitRatio'=100;95;90;0;100 'BufferCacheHitRatioPercent'=100%;95;90;0;100 'PageLifeExpectancy'=109982.6641;400;300;; 'LazyWritesSec'=0;15;20;; 'FreeListStallsSec'=0;1;2;; 'MemoryGrantsPending'=0;1;2;; 'BatchRequestsSec'=16.6571;1000;2000;; 'UserConnections'=115.3333;600;700;; 'LockWaitsSec'=0;1;2;; 'ProcessesBlocked'=0;1;2;;


Usage
-------

check_win_perfmon.exe [parameters]:

-f, --xmlFile (Default: perfcounts.xml) XML file with performance counters configuration.

-s, --maxSamples (Default: 3) Amount of samples to take from perfmon.

-t, --timeSamples (Default: 1000) Time between samples in ms.

-v, --verbose Verbose output for debuging.

**Example:** check_win_perfmon.exe -f PerfMonMem.xml -s 10 -t 2000

Check performance counters of PerfMonMem.xml taking 10 samples with 2 sec interval.

Creating new XML files to check your own performance counters
----------------------------------------------------------------------

You can set up your own performance counters adding them to xml files or creating new ones.

To list available performance counters on a system in a PowerShell console type:

In PowerShell

#Get all counters
Get-Counter -ListSet | Select-Object -ExpandProperty Counter
#Get specified counter
Get-Counter -ListSet processor | Select-Object -ExpandProperty Counter

You can check performance counters on a Windows system: Start Menu->Administrative Tools->Performance Monitor->Clic on plus symbol

XML Format

In a XML file, for each counter, we need to set:

category:** Category of performance counter
name:** Name of the performance counter.
instance:** Instance of performance counter. Some performance counter does not have instance, in this case the value must be: none. This value can be auto for Network category, program will autodetect best interface to check.
friendlyname: Name of performance counter which program returns in output.
units: Units program returns in output.
warning: Warning threshold for performance counter.
critical: Critical threshold for performance counter.
min: Minimum value of performance counter. If you do not know the minimum value, it has to be: none.
max: Maximum value of performance counter. If you do not know the maximum value, it has to be: none. This value can be auto for Memory category, program will detect the amount of memory installed on system.

If max and min are specified, program returns one more result for percent value.
Max and min must have different value.

System Load
--------------
I tried to minimize system load during program execution, but check performance counters allways has an impact on system performance. Program execution has a 5% of CPU usage on old systems and a minimun impact on modern servers. The more performance counters you check at a time, the more system impact.

References
------------

Values and counters are based on System Center Operations Manager checkins. You can check it out here http://mpwiki.viacode.com/default.aspx?g=posts&t=219816

Values and counters for Microsoft SQL are based on articles from:

https://www.sqlshack.com/sql-server-memory-performance-metrics-part-1-memory-pagessec-memory-page-faultssec/

http://www.databasejournal.com/features/mssql/article.php/3932406/Top-10-SQL-Server-Counters-for-Monitoring-SQL-Server-Performance.htm