Microsoft-Windows-Sdstor

8 events across 1 channel

Event ID 100: Request servicing time taken by SD stack.

#
Provider
Microsoft-Windows-Sdstor
Channel
Analytic
Task
Io

Description

Request servicing time taken by SD stack.

Message #

Request servicing time taken by SD stack.

Fields #

NameDescription
Port UInt8
Bus UInt8
Target UInt8
LUN UInt8
RequestDuration UInt64
CDBLength UInt32
CDB Binary
SrbStatus UInt8
Irp Pointer
OriginalIrp Pointer

Event ID 101: Packed Command Read Received.

#
Provider
Microsoft-Windows-Sdstor
Channel
Analytic
Task
PackedCommand

Description

Packed Command Read Received.

Message #

Packed Command Read Received.
Total Count: %1
Number of Packed Irps: %2

Fields #

NameDescription
PackedCommandCount UInt32
NumIrpsPacked UInt32

Event ID 102: Packed Command Write Received.

#
Provider
Microsoft-Windows-Sdstor
Channel
Analytic
Task
PackedCommand

Description

Packed Command Write Received.

Message #

Packed Command Write Received.
Total Count: %1
Number of Packed Irps: %2

Fields #

NameDescription
PackedCommandCount UInt32
NumIrpsPacked UInt32

Event ID 103: HPI Timer Queued

#
Provider
Microsoft-Windows-Sdstor
Channel
Analytic
Task
HighPriorityInterrupt

Description

HPI Timer Queued.

Message #

HPI Timer Queued

Event ID 104: HPI Irp Sent

#
Provider
Microsoft-Windows-Sdstor
Channel
Analytic
Task
HighPriorityInterrupt

Description

HPI Irp Sent.

Message #

HPI Irp Sent

Event ID 105: HPI Irp Completed (0xResultCode).

#
Provider
Microsoft-Windows-Sdstor
Channel
Analytic
Task
HighPriorityInterrupt

Description

HPI Irp Completed (0xResultCode).

Message #

HPI Irp Completed (0x%1)

Fields #

NameDescription
ResultCode UInt32

Event ID 106: Flush received

#
Provider
Microsoft-Windows-Sdstor
Channel
Analytic
Task
Flush

Description

Flush received.

Message #

Flush received

Event ID 107: Discard received (LBA LBA Length Length).

#
Provider
Microsoft-Windows-Sdstor
Channel
Analytic
Task
Discard

Description

Discard received (LBA LBA Length Length).

Message #

Discard received (LBA %1 Length %2)

Fields #

NameDescription
LBA UInt64
Length UInt32

Provenance

Where this provider's schema came from, and which Windows build it was observed on. Windows can change a provider's event schema between builds, so use this to judge whether it matches the build you collect from.

ETW provider GUID afe654eb-0a83-4eb4-948f-d4510ec39c30

Defined in sdstor.sys, the binary that emits these events.

Observed on:

  • WS2022-20348.4893, schema read from the registered manifest, binary version 10.0.20348.1, captured 2026-06-02
  • Win11-26200.6584, schema read from the registered manifest, binary version 10.0.26100.1, captured 2026-06-02

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