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Available MBytes Memory (Red Hat Enterprise Linux Server 5)

Microsoft.Linux.RHEL.5.OperatingSystem.AvailableMBytes.Collection (Rule)

Collection rule for the performance counter Memory\Available MBytes

Knowledge Base article:

Summary

This rule collects performance data for the Memory\Available MBytes Memory performance counter. The collected values are accessible in performance views and reports.

This metric exposes the amount of memory, in megabytes, immediately available for allocation to a process or for system use.

The available megabytes memory value represents the sum of MemFree, Buffers and Cached, as reported by the operating system.

Element properties:

TargetMicrosoft.Linux.RHEL.5.OperatingSystem
CategoryPerformanceCollection
EnabledTrue
Alert GenerateFalse
RemotableTrue

Member Modules:

ID Module Type TypeId RunAs 
DS DataSource Microsoft.Unix.WSMan.PerfCounterProvider Default
WriteToDB WriteAction Microsoft.SystemCenter.CollectPerformanceData Default
WriteToDW WriteAction Microsoft.SystemCenter.DataWarehouse.PublishPerformanceData Default

Source Code:

<Rule ID="Microsoft.Linux.RHEL.5.OperatingSystem.AvailableMBytes.Collection" Target="Microsoft.Linux.RHEL.5.OperatingSystem" Enabled="true" Remotable="true">

  <Category>PerformanceCollection</Category>

  <DataSources>

    <DataSource ID="DS" TypeID="Unix!Microsoft.Unix.WSMan.PerfCounterProvider">

      <TargetSystem>$Target/Host/Property[Type="Unix!Microsoft.Unix.Computer"]/NetworkName$</TargetSystem>

      <Uri>http://schemas.microsoft.com/wbem/wscim/1/cim-schema/2/SCX_MemoryStatisticalInformation?__cimnamespace=root/scx</Uri>

      <Filter/>

      <SplitItems>false</SplitItems>

      <Interval>300</Interval>

      <ObjectName>Memory</ObjectName>

      <CounterName>Available MBytes Memory</CounterName>

      <InstanceName/>

      <Value>$Data/WsManData/*[local-name(.)='SCX_MemoryStatisticalInformation']/*[local-name(.)='AvailableMemory']$</Value>

    </DataSource>

  </DataSources>

  <WriteActions>

    <WriteAction ID="WriteToDB" TypeID="SC!Microsoft.SystemCenter.CollectPerformanceData"/>

    <WriteAction ID="WriteToDW" TypeID="SCDW!Microsoft.SystemCenter.DataWarehouse.PublishPerformanceData"/>

  </WriteActions>

</Rule>