Consecutive Samples over Threshold

System.Performance.ConsecutiveSamplesThreshold (UnitMonitorType)

The monitor change state when the value of the performance counter stays above or below the threshold for N consecutive samples.

Element properties:

RunAsDefault
AccessibilityPublic
Support Monitor RecalculateFalse

Member Modules:

ID Module Type TypeId RunAs 
DS1 DataSource System.Performance.DataProvider Default
CD1 ConditionDetection System.Performance.ConsecutiveSamplesCondition Default
CDInSufficientSamples ConditionDetection System.ExpressionFilter Default
CDSufficientSamples ConditionDetection System.ExpressionFilter Default

Overrideable Parameters:

IDParameterTypeSelectorDisplay NameDescription
Frequencyint$Config/Frequency$Frequency
Thresholddouble$Config/Threshold$Threshold
NumSamplesint$Config/NumSamples$Number of Samples

Source Code:

<UnitMonitorType ID="System.Performance.ConsecutiveSamplesThreshold" Accessibility="Public">
<MonitorTypeStates>
<MonitorTypeState ID="ConditionTrue"/>
<MonitorTypeState ID="ConditionFalse"/>
</MonitorTypeStates>
<Configuration>
<xsd:element name="ComputerName" type="xsd:string" minOccurs="0" maxOccurs="1"/>
<xsd:element name="CounterName" type="xsd:string"/>
<xsd:element name="ObjectName" type="xsd:string"/>
<xsd:element name="InstanceName" type="xsd:string" minOccurs="0" maxOccurs="1"/>
<xsd:element name="AllInstances" type="xsd:boolean" minOccurs="0" maxOccurs="1"/>
<xsd:element name="Frequency" type="xsd:unsignedInt"/>
<xsd:element name="ScaleBy" type="xsd:double" minOccurs="0" maxOccurs="1"/>
<xsd:element minOccurs="1" maxOccurs="1" name="Threshold" type="xsd:double"/>
<xsd:element minOccurs="1" maxOccurs="1" name="Direction" type="xsd:string"/>
<xsd:element minOccurs="1" maxOccurs="1" name="NumSamples" type="xsd:unsignedInt"/>
</Configuration>
<OverrideableParameters>
<OverrideableParameter ID="Frequency" ParameterType="int" Selector="$Config/Frequency$"/>
<OverrideableParameter ID="Threshold" ParameterType="double" Selector="$Config/Threshold$"/>
<OverrideableParameter ID="NumSamples" ParameterType="int" Selector="$Config/NumSamples$"/>
</OverrideableParameters>
<MonitorImplementation>
<MemberModules>
<DataSource TypeID="System.Performance.DataProvider" ID="DS1">
<ComputerName>$Config/ComputerName$</ComputerName>
<CounterName>$Config/CounterName$</CounterName>
<ObjectName>$Config/ObjectName$</ObjectName>
<InstanceName>$Config/InstanceName$</InstanceName>
<AllInstances>$Config/AllInstances$</AllInstances>
<Frequency>$Config/Frequency$</Frequency>
<ScaleBy>$Config/ScaleBy$</ScaleBy>
</DataSource>
<ConditionDetection TypeID="System.Performance.ConsecutiveSamplesCondition" ID="CD1">
<Threshold>$Config/Threshold$</Threshold>
<Direction>$Config/Direction$</Direction>
</ConditionDetection>
<ConditionDetection TypeID="System!System.ExpressionFilter" ID="CDSufficientSamples">
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="Double">Value</XPathQuery>
</ValueExpression>
<Operator>GreaterEqual</Operator>
<ValueExpression>
<Value Type="Double">$Config/NumSamples$</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</ConditionDetection>
<ConditionDetection TypeID="System!System.ExpressionFilter" ID="CDInSufficientSamples">
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="Double">Value</XPathQuery>
</ValueExpression>
<Operator>Less</Operator>
<ValueExpression>
<Value Type="Double">$Config/NumSamples$</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</ConditionDetection>
</MemberModules>
<RegularDetections>
<RegularDetection MonitorTypeStateID="ConditionTrue">
<Node ID="CDSufficientSamples">
<Node ID="CD1">
<Node ID="DS1"/>
</Node>
</Node>
</RegularDetection>
<RegularDetection MonitorTypeStateID="ConditionFalse">
<Node ID="CDInSufficientSamples">
<Node ID="CD1">
<Node ID="DS1"/>
</Node>
</Node>
</RegularDetection>
</RegularDetections>
</MonitorImplementation>
</UnitMonitorType>