Note: Not all of these columns will be visible by default. To view hidden columns, right-click a column heading and choose Organize Columns... from the shortcut menu.

Column	Description
Driver	The name of the driver as reported to the system. The "tree bar" to the left of the names is a dependency tree, showing all drivers that depend on the particular driver.
Description	The "friendly" name of the driver.
Type	Shows if the device is a Kernel or File System driver.
State	Shows if the driver is Running or Stopped.
Start Mode	This shows how the driver acts when Windows starts. Automatic — Starts every time the system starts, after the Boot and System devices start. Manual — Requires manual startup or another service or device to request its startup. Disabled — Does not start and cannot be manually started. Boot — Starts every time the system starts, before any other devices start. Demand — Starts when the device is detected or needed for a specific event. System — Starts every time the system starts, after the Boot devices start.
Accepts Stop	Identifies whether a driver can be stopped. This information is available only for currently running devices.
File	Shows the file location of the device. This cannot be retrieved for all devices.

CPUs Drilldown

Spotlight on Windows

Spotlight is a powerful diagnostic and problem-resolution tool for Windows operating systems. Its unique user interface provides you with an intuitive, visual representation of the activity on the host machine.

For information on Spotlight on Windows, see these sections

Section	Description
Background Information	Introductory material to Spotlight on Windows.
Connect to a Windows System	Create / Modify / Delete connections to Windows systems.
Home Page	The Spotlight home page shows the flow of information and commands between various sub-components and the size and status of internal resources such as processes, disk files and memory structures.
Alarms	Spotlight alerts you to problems with your system by issuing an alarm. You can configure Spotlight in the level of severity that constitutes an alarm, to disable an alarm, and the actions Spotlight takes on raising the alarm.
Drilldowns	When you have isolated a problem, you can display a drilldown page, whose charts and tables provide a detailed breakdown of the underlying statistics.
View \| Options	Customize Spotlight.
Troubleshooting	Solve problems using Spotlight.

For information on using Spotlight applications See

Spotlight Basics

CPUs Page

The CPUs page shows performance details of all the CPUs on the current Windows system. The CPUs page contains several charts.

To open the CPUs page

Select the Spotlight connection in the Spotlight Browser.
Click CPUs.

Charts on the CPUs page

Notes:

Every chart has a legend (list of symbols) to its right that describes the various series (line graphs) on the chart.
Click an item in the legend to highlight its series (line) in the chart. Click a second time to return the series to its normal appearance.
Move the mouse pointer over an item in the legend to view the current value for that series within the chart.

Chart	Description
CPU Utilization	Shows the CPU utilization for all the processors on the system. Each processor is represented by a single line on the chart, and by an item in the legend at the top right of the chart. Note: To view CPU utilization analyzed according to processing mode, see the Processing page in the CPUs drilldown.
Server Work Queues	Shows the number of threads (program execution units) that are waiting to run on each processor. A sustained queue length greater than four might indicate processor congestion.
Interrupts	The Interrupts chart shows the number of interrupts per second per CPU on the Windows system. Each CPU is represented by a single graph on the chart, and by an item in the legend at the top right of the chart. The Interrupts chart is designed to show if any CPUs on the system are bearing a disproportionate level of the I/O load.
Kilobytes Transferred	The Kilobytes Transferred chart shows the rate of kilobytes transferred per CPU on the Windows system. Each CPU is represented by a single graph on the chart, and by an item in the legend at the top right of the chart.

Processing Page

The Processing page on the CPUs drilldown shows the overall performance details of CPUs on the current Windows system. To view performance details for individual CPUs in the system, see the CPUs Page and Multiprocessor Page. The Processing page contains several charts.

To open the CPUs page

Select the Spotlight connection in the Spotlight Browser.
Click CPUs | Processing.

Charts on the Processing page

Notes:

Every chart has a legend (list of symbols) to its right that describes the various series (line graphs) on the chart.
Click an item in the legend to highlight its series (line) in the chart. Click a second time to return the series to its normal appearance.
Move the mouse pointer over an item in the legend to view the current value for that series within the chart.

Chart	Description
Total CPU Utilization	Shows the combined CPU utilization for all processors on the system. Two data series are displayed: User — The percentage of CPU time that is being consumed in User mode. (User mode is a restricted processing mode designed for applications, environment subsystems, and integral subsystems.) Kernel — The percentage of CPU time that is being consumed in privileged mode. (Privileged mode is designed for operating system components and allows direct access to hardware and all memory.) Note: To view CPU utilization for the individual CPUs in the system, see the CPUs Page.
Total Processor Queue Length	Shows the total number of threads (program execution units) that are waiting to be run on ALL processors. A sustained processor queue length greater than three times the number of processors can indicate processor congestion. Note: To view Server Work Queues for the individual CPUs in the system, see the CPUs Page.
Total Process & Thread Count	This chart displays the total number of Windows processes and threads that exist. A process is one instance of an application program or system service that is currently executing on the server. Each process will have one or more threads which are the basic entity that can be scheduled. Sophisticated application processes such as SQL Server or Exchange can have dozens of threads running concurrently.
Context Switching	The Context Switching chart shows the rate at which Windows has been processing context switches. A Context Switch occurs when a processor switches from one thread to another. Context switches occur when a running thread voluntarily relinquishes the processor, is preempted by a higher priority ready thread, or switches between user-mode and privileged (kernel) mode to use an Executive or subsystem service.

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