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Windows Debugging

Debugger Reference

Debugger Commands

Kernel-Mode Extension Commands

!ahcache

!alignmentfaults

!analyzebugcheck

!apc

!apicerr

!arbinst

!arbiter

!ate

!bcb

!blockeddrv

!bpid

!btb

!bth

!bugdump

!bushnd

!ca

!callback

!calldata

!can_write_kdump

!cbreg

!cchelp

!chklowmem

!cmreslist

!cpuinfo

!db, !dc, !dd, !dp, !dq, !du, !dw

!dbgprint

!dblink

!dcr

!dcs

!deadlock

!defwrites

!devext

!devhandles

!devnode

!devobj

!devstack

!dflink

!diskspace

!dma

!dpa

!dpcs

!driveinfo

!drivers

!drvobj

!dskheap

!eb, !ed

!ecb, !ecd, !ecw

!ecs

!errlog

!errpkt

!errrec

!exca

!filecache

!filelock

!fileobj

!filetime

!finddata

!findfilelockowner

!for_each_process

!for_each_thread

!fpsearch

!frag

!frozen

!fwver

!gbl

!gentable

!hidppd

!ib, !id, !iw

!icpleak

!idt

!ih

!ihs

!ioresdes

!ioreslist

!iovirp

!ipi

!irp

!irpfind

!irpzone

!irql

!isainfo

!isr

!ivt

!job

!kb, !kv

!loadermemorylist

!lockedpages

!locks (!kdext*.locks)

!logonsession

!lookaside

!lpc

!mca

!memlist

!memusage

!mps

!mtrr

!npx

!ob, !od, !ow

!object

!obtrace

!openmaps

!pars

!pat

!pci

!pciir

!pcitree

!pcm

!pcr

!pcrs

!pfn

!pmc

!pmssa

!pnpevent

!pocaps

!pool

!poolfind

!poolused

!poolval

!popolicy

!pplookaside

!ppmidle

!ppmidleaccounting

!ppmperf

!ppmstate

!prcb

!process

!processirps

!psp

!pte

!pte2va

!ptov

!qlocks

!ready

!reg

!regkcb

!rellist

!running

!scm

!search

!searchpte

!sel

!session

!smt

!spoolsum

!spoolused

!sprocess

!srb

!stacks

!swd

!sysinfo

!sysptes

!thread

!threadfields

!time

!timer

!tokenfields

!trap

!tss

!tz

!tzinfo

!ubc

!ubd

!ube

!ubl

!ubp

!urb

!vad

!vad_reload

!validatelist

!verifier

!vm

!vpb

!vpdd

!vtop

!walklist

!wdmaud

!whattime

!whatperftime

!whea

!wsle

!xpoolmap

!zombies

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!filelock

The !filelock extension displays a file lock structure.

Syntax in Windows 2000


!filelock FileLockAddress

Syntax in Windows XP and later


 !filelock FileLockAddress 
!filelock ObjectAddress

Parameters

FileLockAddress: Specifies the hexadecimal address of the file lock structure.
ObjectAddress: (Windows XP and later) Specifies the hexadecimal address of a file object that owns the file lock.

DLL

Windows 2000	Kdextx86.dll
Windows XP and later	Kdexts.dll

Additional Information

For information about file objects, see the Windows Driver Kit (WDK) documentation and Microsoft Windows Internals by Mark Russinovich and David Solomon.

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Build date: 4/9/2013

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