performance counter

The name of the computer on which the performance counter category and its associated counters exist.

The name of the performance counter category, or performance object, with which to associate this PerformanceCounterCategory instance.

The name of the performance counter category (performance object) with which this performance counter is associated.

The name of the performance counter category, or performance object, with which the specified performance counter is associated.

When you create a counter, you add it to a performance counter category, and you assign it a type that governs how it will behave.

The name of the custom performance counter category to create and register with the system.

Gets the name of the server on which the category of the performance counter resides.

A description of the item or quantity that this performance counter measures .

The name of the performance counter on which the violation occurred.

A large number of performance counter samples can be collected over the course of a load test run.

The Audit Failure Events Raised performance counter tracks the number of failed audit events raised since the application started.

This is usually not the desired load, so be careful about the choice of the performance counter in the goal-based load pattern.

The category specified is marked as multi-instance and requires the performance counter to be created with an instance name.

When installing both a service and a performance counter with the same name, install the service before installing the performance counter.

Instances of selected object list box, click an application name to monitor the performance counter for that application.

Different models and versions of a CPU can have significantly different configuration settings to enable the same performance counter.

Object can be used to access performance counter information for applications that use the Windows Performance Monitoring System.

The computer on which the performance counter and its associated category exist.

Gets or sets the name of the performance counter category for this performance counter.

Select instances from list and click an application to monitor the performance counter for that application.

Copies all the properties from the specified component that are required at install time for a performance counter.

When a load test runs, a smaller set of the performance counter data is maintained in memory.

If this is a counter that you added to the counter set, the name of the performance counter is possibly misspelled.

A performance counter monitors the behavior of a category, or performance object, on a computer.

The category of the performance counter on which the violation occurred.

Increments or decrements the value of the associated performance counter by a specified amount through an efficient atomic operation.

The instance is not correctly associated with a performance counter.

Closes the performance counter and frees all the resources allocated by this performance counter instance.

Can delete a performance counter if it is not a System counter.

The performance counter instance on which the violation occurred.

Gets the name of the performance counter whose instance data you want to get.

This Error event indicates that the NSPI Proxy encountered an unknown error while initializing shared memory for performance counter data .

While a load test is running, a smaller set of the performance counter data is maintained in memory.

For more information about the performance counters used in this scenario, see Performance Counter Definitions.

While a load test is running, up to 200 samples for each performance counter are maintained.

The name of the performance counter to look for.

Determines whether the performance counter should be removed at uninstall time.

Retrieves a list of the performance counter categories that are registered on the specified computer.

Abort the load test if the value of a performance counter causes the failure of a threshold rule defined in the load test.

Provides a set of utility functions for interpreting performance counter data .

Retrieves a list of the performance counter categories that are registered on a computer.

This can be useful if the graph contains several overlapping performance counter plots while you are analyzing issues.

Instance is not associated with a performance counter.

Gets or sets the name of the performance counter category.

Holds instance data associated with a performance counter sample.

Retrieves a list of the performance counter categories that are registered on the local computer.

To temporarily stop displaying the performance counter's data on the graph, clear the check box for the performance counter in the Legend.

Class and associates it with the specified system or custom performance counter and category instance, on the specified computer.

The categoryType parameter specifies whether the performance counter category is single-instance or multi-instance.

Increments the associated performance counter by one through an efficient atomic operation.

Do not expect to obtain a list of details from a performance counter, such as a list of error messages.

Contains the computed value of a performance counter collected during a load test run.

One possible cause is an exception triggered by a performance counter DLL.

Load tests provide named counter sets, organized by technology, that are useful when you analyze performance counter data.

Registers the custom performance counter category containing the specified counters on the local computer.

Threshold rules in load tests compare a performance counter value with either a constant value or another performance counter value.

Creating or deleting a performance counter requires synchronization of the underlying code by using a named mutex.

Performance counter data is collected based on the counter sets, the mapping of the counter set to a specific computer, and the sample rate.

Method to remove an instance of a custom performance counter from memory.

Specifies the results of applying a threshold rule to a performance counter sample.

This allows time for the operating system to refresh its list of registered performance counter categories.

The Load Test Results Repository contains performance counter data and any information about recorded errors.

Load test data contains performance counter samples collected periodically from the computers-under-test.

Thresholds compare a performance counter value with either a constant value or another performance counter value.

Component instance to retrieve lists of Windows performance counter categories on a server.

The name of the performance counter.

NSPI Proxy encountered an unknown error while initializing shared memory for performance counter data.

Controls access to a Windows NT performance counter component.

Compare a performance counter value with a constant value.

The Load Test Results Repository contains performance counter data and information about any errors.

Defines a structure holding the raw data for a performance counter.

The Load Test Results Store contains performance counter data and any information about recorded errors.

Frees the performance counter library shared state allocated by the counters.

Component instance to retrieve and set raw and calculated values from a Windows performance counter.

Retrieves a list of the counters in a performance counter category that contains one or more instances.

A performance counter is the means by which Windows collects performance data on various system resources.

Class to determine if a given performance counter exists within a particular category on either the local or a remote computer.

Interface can use to obtain the current values of performance counters, other than the performance counter being tested.

Registers a custom performance counter category and one or more counters with the system.

The example shows how to create a custom, multi-instance performance counter category for the number of orders per second.

The generator quantum processed performance counter could not be updated.

A new performance counter has also been created to represent this status as a Boolean.

Load tests provide named counter sets that are useful when you analyze performance counter data.

A performance counter publishes performance data about an application.

You create a performance counter that increments by one after processing each order.

Used generally for uncalculated performance counter types.

Properties must point to an existing performance counter on the local computer.

The property value is equivalent to the Working Set Peak performance counter for the process.

You retrieve raw performance counter values by retrieving the current value of the.

Retrieves a list of the counters in this performance counter category.

The performance category name for the performance counter.

Enumeration is used to indicate whether a performance counter can have multiple instances.

The second level consists of the performance counter, which is an attribute of the performance object.

Gets the counter type of the associated performance counter.

Click Invoke to display an XML file that contains the performance counter statistics.

Registers a custom performance counter category containing a single counter of type NumberOfItems32 on the local computer.

Gets or sets the descriptive message for the performance counter.

Gets the description for this performance counter.

Registers a custom performance counter category containing a single counter of type.

Gets the raw data value associated with the performance counter sample.

In the toolbar, click the Add icon (the plus sign) and select the performance counter you want to view.

An error occurred while attempting to publish a performance counter.

Performance counter instances are available only when the instance is running.

Most DBAs create data groups around a specific performance counter.

Specifies a performance counter to include in data collection.

Initializes a new instance of the InstanceData class, using the specified sample and performance counter instance.

There are two types of performance counter categories: single-instance and multi-instance.

The interval at which to capture performance counter values, in hh: mm: ss format.

When you put data in the performance counter, the data is available to the other process.

The Performance Counter Builder dialog box appears.

To prevent the resulting memory requirements from growing unbounded, a maximum of 200 samples for each performance counter is maintained.

You can delete performance counter categories when they are no longer needed.

Gets the performance counter sample that generated this data.

Choose the custom performance counter you built earlier.

When a SQL Server Agent alert is defined for a performance counter, SQL Server Agent directly monitors the performance counter.

Reads all the counter and performance object instance data that is associated with this performance counter category.

Explains how to use performance counter logs and alerts to monitor Notification Services applications.

Gets or sets an instance name for this performance counter.

Performance counter to monitor how full the transaction log is.

Indicates whether the timer is based on a high-resolution performance counter.

The value associated with each performance counter is updated every 400 milliseconds.

Defines an empty, uninitialized performance counter sample of type.

Listing 6. Turning on the performance counter and formatting the captured data.

Name of the performance counter within the object, such as Page Requests or Locks Requested.

If a performance counter is corrupted, the counter will not return values.

Create a custom performance counter that can be written to.

A performance counter could not be updated.

By default, the test controller saves all the performance counter data that is collected to a database while the load test is running.

You can also view your performance counter in the Windows Performance tool.

There is a distinction between a counter set and the performance counter data.

used generally for calculated performance counter types , such as averages.

Reverse steps 1-5 to rename the performance counter library names to their original values.

This article discusses how we can use performance counter to gather data from an application.

For example, suppose you are deploying an application that writes to a custom performance counter.

Remove the specified performance counter objects from the Microsoft Windows Server 2003 Performance console or the System Monitor snap-in.

Note: This performance counter is selectable during SQL server installation.

For example, suppose you want to monitor performance counter data and react to threshold values.

You can also monitor the number of open connections by using the SQL Server performance counter User Connections.

Output Queue Length Performance Counter value is not reliable on computers with Symmetric Multiprocessing (SMP) architecture

To avoid a possible race condition when the performance counter shared memory is released, it is recommended that the

Performance Counter Reference for Unified Messaging

Performance counter categories created with earlier versions use global shared memory, and the value for

To retrieve performance counter samples and perform a calculation

Create a new performance counter log configuration from an existing log configuration

System Monitor may display high values for the Output Queue Length performance counter in Windows 2000

To delete a performance counter category from Server Explorer

To delete a performance counter category programmatically

Software performance data sampling and analysis based on hardware performance counter

To view your performance counter in the Windows Performance tool

The following code shows how to create several instances of an existing performance counter category

To create a new category and custom performance counter at design time

Performance counter categories are retrieved using the

If you receive the following error in the event log, a performance counter is corrupted

Target Range for Performance Counter High End

To add a performance counter instance

Read from a performance counter

There are several ways you can read performance counter values