Memory Performance Provider

System.NetworkManagement.MemoryPerfProvider (DataSourceModuleType)

Memory performance data source

Element properties:

Type	DataSourceModuleType
Isolation	Any
Accessibility	Public
RunAs	Default
OutputType	System.Performance.Data

Member Modules:

ID	Module Type	TypeId	RunAs
SnmpDataSource	DataSource	System.NetworkManagement.Host.ExtendedSnmpQueryProvider	Default
ComputePerfValue	ConditionDetection	System.NetworkManagement.Computation	Default
Mapper	ConditionDetection	System.Performance.DataGenericMapper	Default
MemoryValidityFilter	ConditionDetection	System.NetworkManagement.ExpressionFilter	Default

Overrideable Parameters:

ID	ParameterType	Selector	Display Name	Description
Interval	int	$Config/Interval$	Interval	The number of seconds between performance data requests
NoOfRetries	int	$Config/NoOfRetries$	Number of Retries	The number of times the performance data request will retry if it times out
Timeout	int	$Config/Timeout$	Timeout	The amount of time (in milliseconds) before the performance data request times out

Source Code:

<DataSourceModuleType ID="System.NetworkManagement.MemoryPerfProvider" Accessibility="Public" Batching="false">

  <Configuration>

    <IncludeSchemaTypes>

      <SchemaType>System!System.ParamListSchema</SchemaType>

      <SchemaType>System.ExpressionEvaluatorSchema</SchemaType>

      <SchemaType>Snmp!System.SnmpVarBindsSchema</SchemaType>

    </IncludeSchemaTypes>

    <xsd:element minOccurs="1" maxOccurs="1" default="240" name="Interval" type="xsd:integer"/>

    <xsd:element minOccurs="1" maxOccurs="1" default="3" name="NoOfRetries" type="xsd:unsignedInt"/>

    <xsd:element minOccurs="1" maxOccurs="1" default="1500" name="Timeout" type="xsd:unsignedInt"/>

    <xsd:element minOccurs="1" maxOccurs="1" name="FreeMemoryOID" type="xsd:string"/>

    <xsd:element minOccurs="1" maxOccurs="1" name="UsedMemoryOID" type="xsd:string"/>

    <xsd:element minOccurs="1" maxOccurs="1" name="ValidMemoryOID" type="xsd:string"/>

    <xsd:element minOccurs="1" maxOccurs="1" name="ValidMemoryValue" type="xsd:unsignedInt"/>

    <xsd:element minOccurs="1" name="ObjectName" type="xsd:string"/>

    <xsd:element minOccurs="1" name="CounterName" type="xsd:string"/>

  </Configuration>

  <OverrideableParameters>

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

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

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

  </OverrideableParameters>

  <ModuleImplementation Isolation="Any">

    <Composite>

      <MemberModules>

        <DataSource ID="SnmpDataSource" TypeID="System.NetworkManagement.Host.ExtendedSnmpQueryProvider">

          <Interval>$Config/Interval$</Interval>

          <NoOfRetries>$Config/NoOfRetries$</NoOfRetries>

          <Timeout>$Config/Timeout$</Timeout>

          <SnmpVarBinds>

            <SnmpVarBind>

              <OID>$Config/FreeMemoryOID$</OID>

              <Syntax>0</Syntax>

              <Value VariantType="8"/>

            </SnmpVarBind>

            <SnmpVarBind>

              <OID>$Config/UsedMemoryOID$</OID>

              <Syntax>0</Syntax>

              <Value VariantType="8"/>

            </SnmpVarBind>

            <SnmpVarBind>

              <OID>$Config/ValidMemoryOID$</OID>

              <Syntax>0</Syntax>

              <Value VariantType="8"/>

            </SnmpVarBind>

          </SnmpVarBinds>

          <OutputOnError>false</OutputOnError>

        </DataSource>

        <ConditionDetection ID="MemoryValidityFilter" TypeID="System.NetworkManagement.ExpressionFilter">

          <Expression>

            <SimpleExpression>

              <ValueExpression>

                <NumericValue>

                  <XPathQuery Type="Double">SnmpVarBinds/SnmpVarBind[OID="$Config/ValidMemoryOID$"]/Value</XPathQuery>

                </NumericValue>

              </ValueExpression>

              <Operator>Equal</Operator>

              <ValueExpression>

                <Value Type="Double">$Config/ValidMemoryValue$</Value>

              </ValueExpression>

            </SimpleExpression>

          </Expression>

          <SuppressionSettings>

            <MatchCount>1</MatchCount>

            <SampleCount>1</SampleCount>

          </SuppressionSettings>

        </ConditionDetection>

        <ConditionDetection ID="ComputePerfValue" TypeID="System.NetworkManagement.Computation">

          <NumericValue>

            <BranchValueExpression>

              <Expression>

                <SimpleExpression>

                  <ValueExpression>

                    <Value Type="Double">0.0</Value>

                  </ValueExpression>

                  <Operator>Equal</Operator>

                  <ValueExpression>

                    <NumericValue>

                      <Summation>

                        <NumericValue>

                          <XPathQuery Type="Double">SnmpVarBinds/SnmpVarBind[OID="$Config/FreeMemoryOID$"]/Value</XPathQuery>

                        </NumericValue>

                        <NumericValue>

                          <XPathQuery Type="Double">SnmpVarBinds/SnmpVarBind[OID="$Config/UsedMemoryOID$"]/Value</XPathQuery>

                        </NumericValue>

                      </Summation>

                    </NumericValue>

                  </ValueExpression>

                </SimpleExpression>

              </Expression>

              <TrueValueExpression>

                <NumericValue>

                  <Value>0</Value>

                </NumericValue>

              </TrueValueExpression>

              <FalseValueExpression>

                <NumericValue>

                  <Division>

                    <NumericValue>

                      <Product>

                        <NumericValue>

                          <XPathQuery Type="Double">SnmpVarBinds/SnmpVarBind[OID="$Config/FreeMemoryOID$"]/Value</XPathQuery>

                        </NumericValue>

                        <NumericValue>

                          <Value>100.0</Value>

                        </NumericValue>

                      </Product>

                    </NumericValue>

                    <NumericValue>

                      <Summation>

                        <NumericValue>

                          <XPathQuery Type="Double">SnmpVarBinds/SnmpVarBind[OID="$Config/FreeMemoryOID$"]/Value</XPathQuery>

                        </NumericValue>

                        <NumericValue>

                          <XPathQuery Type="Double">SnmpVarBinds/SnmpVarBind[OID="$Config/UsedMemoryOID$"]/Value</XPathQuery>

                        </NumericValue>

                      </Summation>

                    </NumericValue>

                  </Division>

                </NumericValue>

              </FalseValueExpression>

            </BranchValueExpression>

          </NumericValue>

        </ConditionDetection>

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

          <ObjectName>$Config/ObjectName$</ObjectName>

          <CounterName>$Config/CounterName$</CounterName>

          <InstanceName/>

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

        </ConditionDetection>

      </MemberModules>

      <Composition>

        <Node ID="Mapper">

          <Node ID="ComputePerfValue">

            <Node ID="MemoryValidityFilter">

              <Node ID="SnmpDataSource"/>

            </Node>

          </Node>

        </Node>

      </Composition>

    </Composite>

  </ModuleImplementation>

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

</DataSourceModuleType>