Windows Performance Counters

Applications Manager uses WMI (Windows Management Instrumentation) for monitoring Windows Performance Counters. WMI gives preinstalled performance counter classes; each class describes an object in performance libraries.

For eg., the object that appears in the Perfmon System Monitor named NetworkInterface is represented in WMI by the Win32_PerfRawData_Tcpip_NetworkInterface class for raw data
Win32_PerfFormattedData_Tcpip_NetworkInterface class for pre-calculated, or "cooked" data.

Currently Applications Manager supports monitoring the counters of classes derived from Win32_PerfFormattedData

Some of the WMI Performance classes for Performance Objects that are present in Perfmon are
Processor -Win32_PerfFormattedData_PerfOS_Processor
Browser -Win32_PerfFormattedData_PerfNet_Browser
PagingFile -Win32_PerfFormattedData_PerfOS_PagingFile
Memory -Win32_PerfFormattedData_PerfOS_Memory
Server -Win32_PerfFormattedData_PerfNet_Server

Some classes can only have one instance of it, they are called "Singleton Classes".

After creating Windows Performance Counters, You will see the WMI Monitor details page showing availability and other details.Availability tab, gives the Availability history for the past 24 hours or 30 days. Performance tab gives the Health Status and events for the past 24 hours or 30 days. List view enables you to perform bulk admin configurations. Click on the individual monitors listed, to view the following information. The windows performance counter values can be added and monitored as attribues. The overall ability to configure thresholds on attributes and taking corrective actions are supported out-of-the-box.

Adding Attributes

• Click on Add Attributes link.

• This will take you to the list of WMI Performance Classes. You can choose the classes whose attributes you want to monitor.

• Click on Show Attributes; the list of WMI classes selected along with their attributes and instances are displayed. Select the attributes and instances. The attributes would then be added for monitoring.

• You can configure thresholds and alarms for the attributes. At a class level, you can configure alarms for Health, which inturn depends on the attributes it comprises of.

Note: Windows Performance Counters is currently supported for Windows Vista, Windows 7, Windows 8, Windows Server 2000, 2003, 2008 and 2012..

See Also

Creating New Monitor -Windows Performance Counters