!qlocks
The !qlocks extension displays the state of all queued spin locks.
!qlocks
DLL
Kdexts.dll
Additional Information
For information about spin locks, see the Windows Driver Kit (WDK) documentation and Microsoft Windows Internals, by Mark Russinovich and David Solomon.
Remarks
This command is useful only on a multiprocessor system.
Here is an example:
0: kd> !qlocks
Key: O = Owner, 1-n = Wait order, blank = not owned/waiting, C = Corrupt
Processor Number
Lock Name 0 1 2 3
KE - Dispatcher
KE - Unused Spare
MM - PFN
MM - System Space
CC - Vacb
CC - Master
EX - NonPagedPool
IO - Cancel
EX - WorkQueue
IO - Vpb
IO - Database
IO - Completion
NTFS - Struct
AFD - WorkQueue
CC - Bcb
MM - MM NonPagedPool
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