System disc performance

an indicator of system disc load and throughput

Disc (system): split I/O per second

scores the I/O operations that were broken into multiple requests on the system disc . A lower score may indicate excessive disc fragmentation.

Disc ( system ) : average queue length

scores the average queue length for the system disc. A lower score indicates that this disc is not keeping up with the I/O backlog.

Disc (system): average seconds per right

scores the average time taken for the system disc to perform a right . A lower score indicates that this disc is taking too long to service write requests.

CPU performance

an indication of processor load and throughput.

Processor: queue length

scores the CPU Q length ( backlog of processing work ) . A lower score means that the CPU is not keeping up with the workload .

Processor: percent interrupt time

scores the amount of time the CPU spent servicing interrupts. A lower score may indicate faulty or misconfigured hardware/ drivers.

Processor: processor time

scores the CPU load. A lower score indicates that the CPU is fully loaded and additional processing power may be required .

Memory performance

a score that indicates memory load and system paging activity .

Memory: hard page faults

Scores the amount of memory pages that had to be read from disc based storage . A lower score indicates this device is low on available physical memory .

Memory: page file usage

Scores the percentage of the page file that is in use . A lower score indicates more high page file use, which may mean the device is low on available physical memory.

Memory: Physical memory usage

Scores the percentage of physical memory in use. A lower score indicates higher memory consumption, and therefore less available physical memory.

Operating System: Memory access time

Score the time taken to allocate, zero and free a block of memory. A lower score indicates that the operating system is slow to server memory requests, which may affect application performance.

Operating System: UDP send time

Scores the time taken to perform a basic loopback UDP send. A lower score may indicate problems with the operating system network stack.

Operating System: Crashes

Scores the frequency of operating system crashes (Blue Screens, or unexpected shutdowns). A lower score indicates crash activity, which is likely to be caused by a faulty or misconfigured device driver.

Operating System: Service Failures

Scores the frequency of service failures (where a service fails to start or shutdown correctly). A lower score indicates problematic services, which may need to be investigated.

Operating System: Crashes

Scores the frequency of software crashes. A lower score indicates a high rate of crashes. The Devices screen Logs tab can assist with investigation of software crashes.

Operating System: Hangs

Scores the frequency of software hangs (where an application becomes unresponsive). A lower score indicates a high rate of hangs.

Windows internals

An indication of the timeliness of Windows system resource creation and availability.

Windows filesystem

A score that indicates file system and disk access speed.

Operating System: Create file time

Scores the time taken to create an empty, temporary file. A lower score indicates that the operating system may be underperforming in terms of basic file operations.

Operating System: Disk random access time

Scores the time taken to perform a random access disk operation on the system drive. A lower score indicates poor random disk access performance.

Operating System: Disk sequential access time

Scores the time taken to perform a sequential access disk operation on the system drive. A lower score indicates poor sequential disk access performance.

Windows registry

An indication of Windows registry access speed.

Operating System: Registry read HKLM time

Scores the time taken to read from the HKLM Windows Registry hive. A lower score indicates poor registry read performance, which in turn may affect application performance.

Operating System: Registry write HKCU time

Scores the time taken to write to the HKCU Windows Registry hive. A lower score indicates poor registry write performance, which in turn may affect application performance.

Operating System: Registry write HKLM time

Scores the time taken to write to the HKLM Windows Registry hive. A lower score indicates poor registry write performance, which in turn may affect application performance.

Processes and threads

A score that indicates Windows process and thread creation and startup speed.

Operating System: Create process time

Scores the time taken to create a new process. A lower score indicates that the operating system is taking a long time to create new processes.

Operating System: Create thread time

Scores the time taken to create a new thread within a process. A lower score indicates that the operating system is taking a long time to create new threads.

Operating System: OpenHandle time

Scores the time taken to acquire a basic operating system resource. A lower score indicates that applications may underperform because the operating system is slow to service resource requests.

Operating System: Load DLL time

Scores the time taken to load and unload a DLL in a process. A lower score indicates library loading is slow, which may affect the startup time of applications.

System startup

An indication of the timeliness of operating system startup.

Operating System: Boot time

Scores the time taken for the device to boot to the logon prompt. A lower score indicates a long boot up duration, which may affect user satisfaction.

Windows UI

An indication of graphical window creation and operation speed.

Operating System: Create window time

Scores the time taken to generate an empty window. A lower score indicates poor Windows desktop performance, which may cause applications to appear unresponsive.

Operating System: Message dispatch time

Scores the time taken to dispatch and confirm processing of a windows message. A lower score indicates poor message processing throughput, which may affect application responsiveness.

User Sentiment Survey metrics

These have been added by an Experience Survey administrator. The information shows the text of the question related to the survey metric.