IDiskActivity Interface
Definition
Important
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Defines a disk activity that occurred as a result of an IO request.
public interface IDiskActivitytype IDiskActivity = interfacePublic Interface IDiskActivityProperties
| ByteOffset |
Gets the first byte offset within the file that was accessed by the activity. |
| CompleteTime |
Gets the timestamp at which the activity was completed. |
| ContextSwitchStack |
Gets the stack first executed by the thread that initiated the disk activity when it switched in during the quantum when the disk activity began, if available. |
| Disk |
Gets the index of the disk that was accessed. |
| DiskServiceDuration |
Gets the subset of the activity duration that involved accessing the disk. |
| FileName |
Gets the name of the file that was accessed by the activity. |
| FileObject |
Gets the address of the kernel file object. |
| Flags |
Gets flags associated with the activity. |
| InitializeStack |
Gets the thread call stack that resulted in the IO request being created, if available. |
| InitializeTime |
Gets the timestamp at which the activity was initialized. |
| IODuration |
Gets the duration of the activity. |
| IORateData |
Gets data about how the IORate.sys driver handled this disk activity. |
| IOType |
Gets the type of the IO request. |
| IsBoostedFromLowPriority |
Gets a value that indicates whether this activity was issued at low priority but then boosted due to CPU thread scheduling policies. |
| IsOverlayFilterCompressed |
Gets a value that indicates whether the file is compressed by the Windows Overlay Filter. |
| IssuingProcess |
Gets the process that issued the IO request, if available. |
| IssuingThread |
Gets the thread that issued the IO request, if available. |
| PacketAddress |
The address in virtual memory on the machine that logged the trace where the I/O Request Packet (IRP) was stored. |
| Path |
Gets the path of the file that was accessed by the activity. |
| Priority |
Gets the IO priority of the activity. |
| QueueCountInitializedAfterCompletedAfter |
Gets a value indicating how many of the items in the IO request queue that were added after the request was created, completed after the request completed. |
| QueueCountInitializedAfterCompletedBefore |
Gets a value indicating how many of the items in the IO request queue that were added after the request was created, completed before the request completed. |
| QueueCountInitializedBeforeCompletedAfter |
Gets a value indicating how many of the items in the IO request queue that were present when the request was created, completed after the request completed. |
| QueueCountInitializedBeforeCompletedBefore |
Gets a value indicating how many of the items in the IO request queue that were present when the request was created, completed before the request completed. |
| QueueDepthAtCompleteTime |
Gets a value indicating the size of the IO request queue at the time that the request was completed. |
| QueueDepthAtInitializeTime |
Gets a value indicating the size of the IO request queue at the time that the request was created. |
| Size |
Gets the size of the IO request. |
| Source |
Gets the source the IO request. |
| StorportDriverDiskServiceDuration |
Gets the time spent accessing the disk according to the storport.sys driver. |