Microsoft-Windows-Kernel-Interrupt-Steering

8 events across 1 channel

Event ID 1: InterruptSteeringMaskRundown

#
Provider
Microsoft-Windows-Kernel-Interrupt-Steering
Channel
Operational
Task
InterruptSteeringMaskRundown

Fields #

NameDescription
LoadPercent UInt32Idle power management features on processor
GsivCount UInt32
MaskCount UInt32
GroupCount UInt16
Mask Pointer

Event ID 2: InterruptSteeringMaskChange

#
Provider
Microsoft-Windows-Kernel-Interrupt-Steering
Channel
Operational
Task
InterruptSteeringMaskChange

Fields #

NameDescription
LoadPercent UInt32Performance power management features on processor
GsivCount UInt32
MaskCount UInt32
GroupCount UInt16
Mask Pointer

Event ID 3: InterruptSteeringStateRundown

#
Provider
Microsoft-Windows-Kernel-Interrupt-Steering
Channel
Operational
Task
InterruptSteeringStateRundown

Fields #

NameDescription
Gsiv UInt32Throttle power management features on processor
Group UInt16
NewTarget Pointer
OldTarget Pointer
Vector UInt32
ServiceRoutine Pointer
IsrLoad UInt64
DpcLoad UInt64

Event ID 4: InterruptSteeringStateConnect

#
Provider
Microsoft-Windows-Kernel-Interrupt-Steering
Channel
Operational
Task
InterruptSteeringStateConnect

Fields #

NameDescription
Gsiv UInt32Processor
Group UInt16
NewTarget Pointer
OldTarget Pointer
Vector UInt32
ServiceRoutine Pointer
IsrLoad UInt64
DpcLoad UInt64

Event ID 5: InterruptSteeringStateDisconnect

#
Provider
Microsoft-Windows-Kernel-Interrupt-Steering
Channel
Operational
Task
InterruptSteeringStateDisconnect

Fields #

NameDescription
Gsiv UInt32
Group UInt16
NewTarget Pointer
OldTarget Pointer
Vector UInt32
ServiceRoutine Pointer
IsrLoad UInt64
DpcLoad UInt64

Event ID 6: InterruptSteeringStateRetarget

#
Provider
Microsoft-Windows-Kernel-Interrupt-Steering
Channel
Operational
Task
InterruptSteeringStateRetarget

Fields #

NameDescription
Gsiv UInt32
Group UInt16
NewTarget Pointer
OldTarget Pointer
Vector UInt32
ServiceRoutine Pointer
IsrLoad UInt64
DpcLoad UInt64

Event ID 7: InterruptSteeringProcRundown

#
Provider
Microsoft-Windows-Kernel-Interrupt-Steering
Channel
Operational
Task
InterruptSteeringProcRundown

Fields #

NameDescription
ProcIndex UInt32The speed of processor
DeviceInterrupts UInt32is being limited by system firmware. The processor has been in this reduced performance state for

Event ID 8: InterruptSteeringProcChange

#
Provider
Microsoft-Windows-Kernel-Interrupt-Steering
Channel
Operational
Task
InterruptSteeringProcChange

Fields #

NameDescription
ProcIndex UInt32
DeviceInterrupts 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 951b41ea-c830-44dc-a671-e2c9958809b8

Defined in microsoft-windows-kernel-processor-power-events.dll, which carries the event manifest.

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

Downloads

Credits

  • Microsoft - authored the ETW manifests and PDBs the schema comes from
  • jdu2600 - the event-schema TSV format this catalog adopted
  • nasbench - the tool that dumps registered providers and manifests