Win32_PerfRawData_PerfOS_Cache - WMI sample in VBScript

The foundations for Manageability in Windows 7/2008/Vista/XP/2000 and Millennium Edition/'98 are Windows Management Instrumentation (WMI; formerly WBEM) and WMI extensions for Windows Driver Model (WDM).

ActiveXperts Network Monitor provides the ability to build monitor check routines based on WMI. ActiveXperts has collected more than a hundred WMI samples. You can use these samples as a base for new check routines you can write yourself.

On this site, you can find many WMI samples.

The Win32_PerfRawData_PerfOS_Cache WMI class can be used in ActiveXperts Network Monitor to monitor your servers.



The Win32_PerfFormattedData_PerfOS_Cache "cooked" data performance counter class represents calculated counters that monitor the file system cache, an area of physical memory that stores recently used data as long as possible to permit access to the data without having to read from the disk. Because applications typically use the cache, the cache is monitored as an indicator of application I/O operations. When memory is plentiful, the cache can grow, but when memory is scarce, the cache can become too small to be effective. This class is shown as the Cache object in System Monitor. The WMI source of its data is the high-performance Cooked Counter Provider. This class derives its raw data from the corresponding raw class Win32_PerfRawData_PerfOS_Cache. The original data source is the PerfOS performance library. This class was added for Windows XP.


On Error Resume Next
strComputer = "."
Set objWMIService = GetObject("winmgmts:\\" & strComputer & "\root\cimv2")
Set colItems = objWMIService.ExecQuery("Select * from Win32_PerfRawData_PerfOS_Cache",,48)
For Each objItem in colItems
    Wscript.Echo "AsyncCopyReadsPersec: " & objItem.AsyncCopyReadsPersec
    Wscript.Echo "AsyncDataMapsPersec: " & objItem.AsyncDataMapsPersec
    Wscript.Echo "AsyncFastReadsPersec: " & objItem.AsyncFastReadsPersec
    Wscript.Echo "AsyncMDLReadsPersec: " & objItem.AsyncMDLReadsPersec
    Wscript.Echo "AsyncPinReadsPersec: " & objItem.AsyncPinReadsPersec
    Wscript.Echo "Caption: " & objItem.Caption
    Wscript.Echo "CopyReadHitsPercent: " & objItem.CopyReadHitsPercent
    Wscript.Echo "CopyReadHitsPercent_Base: " & objItem.CopyReadHitsPercent_Base
    Wscript.Echo "CopyReadsPersec: " & objItem.CopyReadsPersec
    Wscript.Echo "DataFlushesPersec: " & objItem.DataFlushesPersec
    Wscript.Echo "DataFlushPagesPersec: " & objItem.DataFlushPagesPersec
    Wscript.Echo "DataMapHitsPercent: " & objItem.DataMapHitsPercent
    Wscript.Echo "DataMapHitsPercent_Base: " & objItem.DataMapHitsPercent_Base
    Wscript.Echo "DataMapPinsPersec: " & objItem.DataMapPinsPersec
    Wscript.Echo "DataMapPinsPersec_Base: " & objItem.DataMapPinsPersec_Base
    Wscript.Echo "DataMapsPersec: " & objItem.DataMapsPersec
    Wscript.Echo "Description: " & objItem.Description
    Wscript.Echo "FastReadNotPossiblesPersec: " & objItem.FastReadNotPossiblesPersec
    Wscript.Echo "FastReadResourceMissesPersec: " & objItem.FastReadResourceMissesPersec
    Wscript.Echo "FastReadsPersec: " & objItem.FastReadsPersec
    Wscript.Echo "Frequency_Object: " & objItem.Frequency_Object
    Wscript.Echo "Frequency_PerfTime: " & objItem.Frequency_PerfTime
    Wscript.Echo "Frequency_Sys100NS: " & objItem.Frequency_Sys100NS
    Wscript.Echo "LazyWriteFlushesPersec: " & objItem.LazyWriteFlushesPersec
    Wscript.Echo "LazyWritePagesPersec: " & objItem.LazyWritePagesPersec
    Wscript.Echo "MDLReadHitsPercent: " & objItem.MDLReadHitsPercent
    Wscript.Echo "MDLReadHitsPercent_Base: " & objItem.MDLReadHitsPercent_Base
    Wscript.Echo "MDLReadsPersec: " & objItem.MDLReadsPersec
    Wscript.Echo "Name: " & objItem.Name
    Wscript.Echo "PinReadHitsPercent: " & objItem.PinReadHitsPercent
    Wscript.Echo "PinReadHitsPercent_Base: " & objItem.PinReadHitsPercent_Base
    Wscript.Echo "PinReadsPersec: " & objItem.PinReadsPersec
    Wscript.Echo "ReadAheadsPersec: " & objItem.ReadAheadsPersec
    Wscript.Echo "SyncCopyReadsPersec: " & objItem.SyncCopyReadsPersec
    Wscript.Echo "SyncDataMapsPersec: " & objItem.SyncDataMapsPersec
    Wscript.Echo "SyncFastReadsPersec: " & objItem.SyncFastReadsPersec
    Wscript.Echo "SyncMDLReadsPersec: " & objItem.SyncMDLReadsPersec
    Wscript.Echo "SyncPinReadsPersec: " & objItem.SyncPinReadsPersec
    Wscript.Echo "Timestamp_Object: " & objItem.Timestamp_Object
    Wscript.Echo "Timestamp_PerfTime: " & objItem.Timestamp_PerfTime
    Wscript.Echo "Timestamp_Sys100NS: " & objItem.Timestamp_Sys100NS