Percent Memory Used Module Type

Microsoft.Windows.Server.10.0.OperatingSystem.PercentMemoryUsed.ModuleType (DataSourceModuleType)

Data Source module type for collecting amount of used physical memory.

Element properties:

Member Modules:

Overrideable Parameters:

Source Code:

<DataSourceModuleType ID="Microsoft.Windows.Server.10.0.OperatingSystem.PercentMemoryUsed.ModuleType" Accessibility="Public" Batching="false">

  <Configuration>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" minOccurs="1" name="PhysicalMemory" type="xsd:double"/>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" minOccurs="1" name="Tolerance" type="xsd:integer"/>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" minOccurs="1" name="Frequency" type="xsd:integer"/>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" minOccurs="1" name="MaximumSampleSeparation" type="xsd:integer"/>

  </Configuration>

  <OverrideableParameters>

    <OverrideableParameter ID="Tolerance" Selector="$Config/Tolerance$" ParameterType="int"/>

    <OverrideableParameter ID="Frequency" Selector="$Config/Frequency$" ParameterType="int"/>

    <OverrideableParameter ID="NumOfSamples" Selector="$Config/MaximumSampleSeparation$" ParameterType="int"/>

  </OverrideableParameters>

  <ModuleImplementation Isolation="Any">

    <Composite>

      <MemberModules>

        <DataSource ID="PerfDS" TypeID="SystemPerf!System.Performance.OptimizedDataProvider">

          <CounterName>Available MBytes</CounterName>

          <ObjectName>Memory</ObjectName>

          <InstanceName/>

          <AllInstances>false</AllInstances>

          <Frequency>$Config/Frequency$</Frequency>

          <Tolerance>$Config/Tolerance$</Tolerance>

          <ToleranceType>Absolute</ToleranceType>

          <MaximumSampleSeparation>$Config/MaximumSampleSeparation$</MaximumSampleSeparation>

        </DataSource>

        <ProbeAction ID="ScriptDS" TypeID="Microsoft.Windows.Server.10.0.PowerShellPropertyBagProbe">

          <ScriptName>Microsoft.Windows.Server.OperatingSystem.PercentMemoryUsed.ps1</ScriptName>

          <PSparam>param ($nAvailableMBytes, $nPhysicalMemoryKBytes)</PSparam>

          <ScriptBody><Script>

#Copyright (c) Microsoft Corporation. All rights reserved.



#*************************************************************************

# $ScriptName: "Microsoft.Windows.Server.OperatingSystem.PercentMemoryUsed"$

#

#

# $File: Microsoft.Windows.Server.OperatingSystem.PercentMemoryUsed.ps1$

#*************************************************************************



# Parameters that should be passed to this script

# 0 Available Physical memory MBytes.

# 1 Total amount of Physical Memory in KBytes.



$sCounterName = "PercentMemoryUsed"

$sObjectName  = "Memory"



Function Main()

{

    $sErrorDescription = "Invalid arguments are detected: " + $nAvailableMBytes + " " + $nPhysicalMemoryKBytes

    $dblAvailableMBytes = $nAvailableMBytes -as [double]

    $dblPhysicalMemoryKBytes = $nPhysicalMemoryKBytes -as [double]



    if (($dblAvailableMBytes -eq $null) -or ($dblPhysicalMemoryKBytes -eq $null))

    {

        ThrowScriptError $sErrorDescription $null

    }



    $dblPhysicalMemoryMBytes = $dblPhysicalMemoryKBytes / 1024



    if ($dblAvailableMBytes -gt 0)

    {

        if ($dblAvailableMBytes -ge $dblPhysicalMemoryMBytes)

        {

            ThrowScriptError $sErrorDescription $null

        }



        $oBag = $momAPI.CreateTypedPropertyBag(2)



        $nResult = [double](100 - ($dblAvailableMBytes/$dblPhysicalMemoryMBytes)*100)



        $oBag.AddValue("PerfCounter", $sCounterName)

        $oBag.AddValue("PerfValue", $nResult)



        $oBag

    }

}



Main

</Script></ScriptBody>

          <Parameters>

            <Parameter>

              <Name>nAvailableMBytes</Name>

              <Value>$Data/Value$</Value>

            </Parameter>

            <Parameter>

              <Name>nPhysicalMemoryKBytes</Name>

              <Value>$Config/PhysicalMemory$</Value>

            </Parameter>

          </Parameters>

          <TimeoutSeconds>300</TimeoutSeconds>

        </ProbeAction>

        <ConditionDetection ID="PerfMapper" TypeID="SystemPerf!System.Performance.DataGenericMapper">

          <ObjectName>Memory</ObjectName>

          <CounterName>$Data/Property[@Name='PerfCounter']$</CounterName>

          <InstanceName/>

          <Value>$Data/Property[@Name='PerfValue']$</Value>

        </ConditionDetection>

        <ConditionDetection ID="IsNullCD" TypeID="System!System.ExpressionFilter">

          <Expression>

            <SimpleExpression>

              <ValueExpression>

                <XPathQuery Type="String">/DataItem/IsNull</XPathQuery>

              </ValueExpression>

              <Operator>Equal</Operator>

              <ValueExpression>

                <Value Type="String">false</Value>

              </ValueExpression>

            </SimpleExpression>

          </Expression>

        </ConditionDetection>

      </MemberModules>

      <Composition>

        <Node ID="PerfMapper">

          <Node ID="ScriptDS">

            <Node ID="IsNullCD">

              <Node ID="PerfDS"/>

            </Node>

          </Node>

        </Node>

      </Composition>

    </Composite>

  </ModuleImplementation>

  <OutputType>SystemPerf!System.Performance.Data</OutputType>

</DataSourceModuleType>