!ipi
The !ipi extension displays the interprocessor interrupt (IPI) state for a specified processor.
!ipi [Processor]
Parameters
Processor
Specifies a processor. If Processor is omitted, the IPI state for every processor is displayed.
DLL
Kdexts.dll
This extension command can only be used with an x86-based target computer.
Additional Information
For information about IPIs, see Microsoft Windows Internals by Mark Russinovich and David Solomon.
Remarks
Here is an example of the output from this extension:
0: kd> !ipi
IPI State for Processor 0
Worker Routine: nt!KiFlushTargetMultipleTb [Stale]
Parameter[0]: 0
Parameter[1]: 3
Parameter[2]: F7C98770
Ipi Trap Frame: F7CCCCDC [.trap F7CCCCDC]
Signal Done: 0
IPI Frozen: 24 [FreezeActive] [Owner]
Request Summary: 0
Target Set: 0
Packet Barrier: 0
IPI State for Processor 1
Worker Routine: nt!KiFlushTargetMultipleTb [Stale]
Parameter[0]: 1
Parameter[1]: 3
Parameter[2]: F7CDCD28
Ipi Trap Frame: F7C8CCC4 [.trap F7C8CCC4]
Signal Done: 0
IPI Frozen: 2 [Frozen]
Request Summary: 0
Target Set: 0
Packet Barrier: 0
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