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!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

Windows 2000

Unavailable

Windows XP and later

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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