Microsoft-Windows-Sdbus

Event	Title	Channel	Sample	Rule
100	Interrupt detected in ISR.	Analytic	N	N
101	Entering callback routine.	Analytic	N	N
102	Exiting callback routine.	Analytic	N	N
103	Retuning Sequence detected.	Analytic	N	N
104	Error in bus transfer.	Debug	N	N
105	Hpi IO detected.	Analytic	N	N
106	P-State change requested.	Analytic	N	N
107	P-State change requested.	Analytic	N	N
108	Command issued.	Analytic	N	N
109	Command completed.	Analytic	N	N
110	Hpi CMD sent to the hardware.	Analytic	N	N
111	Hpi CMD was accepted by the hardware.	Analytic	N	N
112	Hpi CMD worker started.	Analytic	N	N
113	Hpi CMD worker exited.	Analytic	N	N
114	P-State change requested.	Analytic	N	N
115	SdbusWorkerDpcEnter: SD Host Physical Address: SDHostPhysicalAddress Irp: Irp …	Analytic	N	N
116	SdbusWorkerDpcExit: SD Host Physical Address: SDHostPhysicalAddress Irp: Irp …	Analytic	N	N
117	SdbusRequestStart: SD Host Physical Address: SDHostPhysicalAddress Irp: Irp Cmd: …	Analytic	N	N
118	SdbusRequestComplete: SD Host Physical Address: SDHostPhysicalAddress Irp: Irp …	Analytic	N	N
119	Scheduled callback routine.	Analytic	N	N
120	Interrupt DPC scheduled.	Analytic	N	N
121	Interrupt DPC entered.	Analytic	N	N
122	Interrupt DPC exited.	Analytic	N	N
123	SdbusRequestStartV2: SD Host Physical Address: SDHostPhysicalAddress Irp: Irp …	Analytic	N	N
123	Event ID 123	Operational	N	N
124	SdbusRequestCompleteV2: SD Host Physical Address: SDHostPhysicalAddress Irp: Irp …	Analytic	N	N
124	Event ID 124	Operational	N	N

Event ID 100: Interrupt detected in ISR.

Channel: Analytic
Task: Interrupt

Message #

Interrupt detected in ISR.
SD Host Physical Address: %1
Events (masked): %2

Fields #

Name	Description
`SDHostPhysicalAddress` HexInt64
`EventMask` HexInt32

Event ID 101: Entering callback routine.

Channel: Analytic
Task: CallbackRoutine
Opcode: Start

Message #

Entering callback routine.
SD Host Physical Address: %1

Fields #

Name	Description
`SDHostPhysicalAddress` HexInt64

Event ID 102: Exiting callback routine.

Channel: Analytic
Task: CallbackRoutine
Opcode: Stop

Message #

Exiting callback routine.
SD Host Physical Address: %1

Fields #

Name	Description
`SDHostPhysicalAddress` HexInt64

Event ID 103: Retuning Sequence detected.

Channel: Analytic
Task: Retune

Message #

Retuning Sequence detected.
SD Host Physical Address: %1
Retuning Count: %2

Fields #

Name	Description
`SDHostPhysicalAddress` HexInt64
`RetuneCount` UInt64

Event ID 104: Error in bus transfer.

Channel: Debug
Task: Error

Message #

Error in bus transfer.
SD Host Physical Address: %1
Error Code: %2
Error Count: %3

Fields #

Name	Description
`SDHostPhysicalAddress` HexInt64
`ErrorCode` HexInt32
`ErrorCount` UInt32

Event ID 105: Hpi IO detected.

Channel: Analytic
Task: HPIIO

Message #

Hpi IO detected.
SD Host Physical Address: %1
Hpi Count: %2

Fields #

Name	Description
`SDHostPhysicalAddress` HexInt64
`HpiIoCount` UInt64

Event ID 106: P-State change requested.

Channel: Analytic
Task: P_StateRequest

Message #

P-State change requested.
PoFx Device Handle: %1
P-State Requested: %2
P-State Request Count: %3

Fields #

Name	Description
`PoFxDeviceHandle` HexInt64
`PStateRequested` UInt32
`PStateRequestCount` UInt64

Event ID 107: P-State change requested.

Channel: Analytic
Task: P_StateCompletion

Message #

P-State change requested.
PoFx Device Handle: %1
P-State Completed: %2
P-State Completion Count: %3

Fields #

Name	Description
`PoFxDeviceHandle` HexInt64
`PStateCompleted` UInt32
`PStateCompletionCount` UInt64

Event ID 108: Command issued.

Channel: Analytic
Task: CommandIssued

Message #

Command issued.
SD Host Physical Address: %1
Command: %2
Argument: %3
Size: %4

Fields #

Name	Description
`SDHostPhysicalAddress` HexInt64
`Command` UInt8
`Argument` HexInt64
`Size` UInt64

Event ID 109: Command completed.

Channel: Analytic
Task: CommandCompleted

Message #

Command completed.
SD Host Physical Address: %1
Command: %2
Argument: %3
Size: %4

Fields #

Name	Description
`SDHostPhysicalAddress` HexInt64
`Command` UInt8
`Argument` HexInt64
`Size` UInt64

Event ID 110: Hpi CMD sent to the hardware.

Channel: Analytic
Task: HPICMDIssued

Description

Hpi CMD sent to the hardware. IRP Irp.

Message #

Hpi CMD sent to the hardware. IRP %1

Fields #

Name	Description
`Irp` HexInt64

Event ID 111: Hpi CMD was accepted by the hardware.

Channel: Analytic
Task: HPICMDIssued

Description

Hpi CMD was accepted by the hardware. IRP Irp.

Message #

Hpi CMD was accepted by the hardware. IRP %1

Fields #

Name	Description
`Irp` HexInt64

Event ID 112: Hpi CMD worker started.

Channel: Analytic
Task: HPIWorkerProcess

Description

Hpi CMD worker started. IRP Irp.

Message #

Hpi CMD worker started. IRP %1

Fields #

Name	Description
`Irp` HexInt64

Event ID 113: Hpi CMD worker exited.

Channel: Analytic
Task: HPIWorkerProcess

Description

Hpi CMD worker exited. IRP Irp Reason: HpiExitReason.

Message #

Hpi CMD worker exited. IRP %1 Reason: %2

Fields #

Name	Description
`Irp` HexInt64
`HpiExitReason` UInt32

Event ID 114: P-State change requested.

Channel: Analytic
Task: P_StateUtilization

Message #

P-State change requested.
PoFx Device Handle: %1
P-State Active Percentage: %2
P-State Active Duration: %3
P-State Sample Duration: %4
P-State Current Frequency: %5
P-State Requested Frequency: %6

Fields #

Name	Description
`PoFxDeviceHandle` HexInt64
`PStateActivePercent` UInt32
`PStateActiveDuration` UInt32
`PStateSampleDuration` UInt32
`PStateCurrentFrequency` UInt32
`PStateRequestedFrequency` UInt32

Event ID 115: SdbusWorkerDpcEnter: SD Host Physical Address: SDHostPhysicalAddress Irp: Irp Workpacket Function: WorkPacketWorkerProcFunction CurrentState: WorkEngineCurrentState FunctionPhase: WorkEngineFunctio...

Channel: Analytic
Task: SdbusWorkerDpc

Description

SdbusWorkerDpcEnter: SD Host Physical Address: SDHostPhysicalAddress Irp: Irp Workpacket Function: WorkPacketWorkerProcFunction CurrentState: WorkEngineCurrentState FunctionPhase: WorkEngineFunctionPhase.

Message #

SdbusWorkerDpcEnter: SD Host Physical Address: %1 Irp: %2 Workpacket Function: %3 CurrentState: %4 FunctionPhase: %5

Fields #

Name	Description
`SDHostPhysicalAddress` HexInt64
`Irp` Pointer
`WorkPacketWorkerProcFunction` UInt32
`WorkEngineCurrentState` HexInt32
`WorkEngineFunctionPhase` HexInt32

Event ID 116: SdbusWorkerDpcExit: SD Host Physical Address: SDHostPhysicalAddress Irp: Irp Workpacket Function: WorkPacketWorkerProcFunction CurrentState: WorkEngineCurrentState FunctionPhase: WorkEngineFunction...

Channel: Analytic
Task: SdbusWorkerDpc

Description

SdbusWorkerDpcExit: SD Host Physical Address: SDHostPhysicalAddress Irp: Irp Workpacket Function: WorkPacketWorkerProcFunction CurrentState: WorkEngineCurrentState FunctionPhase: WorkEngineFunctionPhase.

Message #

SdbusWorkerDpcExit: SD Host Physical Address: %1 Irp: %2 Workpacket Function: %3 CurrentState: %4 FunctionPhase: %5

Fields #

Name	Description
`SDHostPhysicalAddress` HexInt64
`Irp` Pointer
`WorkPacketWorkerProcFunction` UInt32
`WorkEngineCurrentState` HexInt32
`WorkEngineFunctionPhase` HexInt32

Event ID 117: SdbusRequestStart: SD Host Physical Address: SDHostPhysicalAddress Irp: Irp Cmd: WorkEngineCommand Arg: WorkEngineArgument Status: Status.

Channel: Analytic
Task: SdbusRequest

Message #

SdbusRequestStart: SD Host Physical Address: %1 Irp: %2 Cmd: %3 Arg: %4 Status: %5

Fields #

Name	Description
`SDHostPhysicalAddress` HexInt64
`Irp` Pointer
`WorkEngineCommand` HexInt32
`WorkEngineArgument` HexInt32
`Status` HexInt32	NTSTATUS reference

Event ID 118: SdbusRequestComplete: SD Host Physical Address: SDHostPhysicalAddress Irp: Irp Cmd: WorkEngineCommand Arg WorkEngineArgument Status Status.

Channel: Analytic
Task: SdbusRequest

Message #

SdbusRequestComplete: SD Host Physical Address: %1 Irp: %2 Cmd: %3 Arg %4 Status %5

Fields #

Name	Description
`SDHostPhysicalAddress` HexInt64
`Irp` Pointer
`WorkEngineCommand` HexInt32
`WorkEngineArgument` HexInt32
`Status` HexInt32	NTSTATUS reference

Event ID 119: Scheduled callback routine.

Channel: Analytic
Task: CallbackRoutine
Opcode: Start

Message #

Scheduled callback routine.
SD Host Physical Address: %1

Fields #

Name	Description
`SDHostPhysicalAddress` HexInt64

Event ID 120: Interrupt DPC scheduled.

Channel: Analytic
Task: Interrupt
Opcode: Start

Event ID 121: Interrupt DPC entered.

Channel: Analytic
Task: Interrupt
Opcode: Start

Event ID 122: Interrupt DPC exited.

Channel: Analytic
Task: Interrupt
Opcode: Start

Event ID 123: SdbusRequestStartV2: SD Host Physical Address: SDHostPhysicalAddress Irp: Irp Cmd: WorkEngineCommand Arg: WorkEngineArgument Status: Status UpperArg: WorkEngineArgument64.

Channel: Analytic
Task: SdbusRequest

Message #

SdbusRequestStartV2: SD Host Physical Address: %1 Irp: %2 Cmd: %3 Arg: %4 Status: %5 UpperArg: %6

Fields #

Name	Description
`SDHostPhysicalAddress` HexInt64
`Irp` Pointer
`WorkEngineCommand` HexInt32
`WorkEngineArgument` HexInt32
`Status` HexInt32	NTSTATUS reference
`WorkEngineArgument64` HexInt64

Event ID 123

Channel: Operational
Task: SdbusRequest

Description

SdbusRequestStartV2: SD Host Physical Address: Irp: Cmd: Arg: Status: UpperArg.

Fields #

Name	Description
`SDHostPhysicalAddress` HexInt64
`Irp` Pointer
`WorkEngineCommand` HexInt32
`WorkEngineArgument` HexInt32
`Status` HexInt32	NTSTATUS reference
`WorkEngineArgument64` HexInt64

Event ID 124: SdbusRequestCompleteV2: SD Host Physical Address: SDHostPhysicalAddress Irp: Irp Cmd: WorkEngineCommand Arg WorkEngineArgument Status Status UpperArg: WorkEngineArgument64.

Channel: Analytic
Task: SdbusRequest

Message #

SdbusRequestCompleteV2: SD Host Physical Address: %1 Irp: %2 Cmd: %3 Arg %4 Status %5 UpperArg: %6

Fields #

Name	Description
`SDHostPhysicalAddress` HexInt64
`Irp` Pointer
`WorkEngineCommand` HexInt32
`WorkEngineArgument` HexInt32
`Status` HexInt32	NTSTATUS reference
`WorkEngineArgument64` HexInt64

Event ID 124

Channel: Operational
Task: SdbusRequest

Description

SdbusRequestCompleteV2: SD Host Physical Address: Irp: Cmd: Arg Status UpperArg.

Fields #

Name	Description
`SDHostPhysicalAddress` HexInt64
`Irp` Pointer
`WorkEngineCommand` HexInt32
`WorkEngineArgument` HexInt32
`Status` HexInt32	NTSTATUS reference
`WorkEngineArgument64` HexInt64

Provenance

ETW provider GUID fe28004e-b08f-4407-92b3-bad3a2c51708

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

WS2022-20348.4893, schema read from the registered manifest, binary version 10.0.20348.1, captured 2026-06-02 — Manifest XML pack, 1.9 MB
Win11-26200.6584, schema read from the registered manifest, binary version 10.0.26100.1, captured 2026-06-02 — Manifest XML pack, 2.0 MB