sarangxyz / locksinfo

utility to dump locks acquired in process with optionally dumping creation site traceback

Prints acquired threads in given process with pid. This is similar to windbg extenions for dumping critsecs !locks

A bit more information here: https://msdn.microsoft.com/en-us/library/windows/hardware/ff541979%28v=vs.85%29.aspx

C:\>locksinfo.exe 51204

a handy utility to list locks acquired in a process
author: Sarang Baheti, source: https://github.com/sarangxyz/locksinfo

Locks information for process- 51204, testprocess.exe
Found 63391 locks

Printing 3 acquired locks
------------------------------------------------------------------------

#0 Lock at address-   0x00000000249251D0
Type:              0
OwningThread:      57620
LockingSemaphore:  0x0000000000000A24
ContentionCount:   0
LockCountRaw:      -2
  LockStatus:      locked
  AnyThreadsWoken: no
  #ThreadsWaiting: 0

#1 Lock at address-   0x000000002CB69C70
Type:              0
OwningThread:      84440
LockingSemaphore:  0x0000000000000000
ContentionCount:   0
LockCountRaw:      -2
  LockStatus:      locked
  AnyThreadsWoken: no
  #ThreadsWaiting: 0

#2 Lock at address-   0x0000000013EC4C50
Type:              0
OwningThread:      53540
LockingSemaphore:  0x0000000000001BB4
ContentionCount:   1
LockCountRaw:      -6
  LockStatus:      locked
  AnyThreadsWoken: no
  #ThreadsWaiting: 1
  

If you run with flags set to track Locks in your process it can print creation site for the critical section: Off course i am not translating symbols but that is not too hard if you want to try. Perhaps i will do it later.

Printing 1 acquired locks
------------------------------------------------------------------------

#0 Lock at address-   0x000007FED6B539C0
Type:              0
OwningThread:      44356
LockingSemaphore:  0x0000000000000000
ContentionCount:   0
LockCountRaw:      -2
  LockStatus:      locked
  AnyThreadsWoken: no
  #ThreadsWaiting: 0

Creation traceback:
[ 0] 000F003500000040
[ 1] 000007FEF210A992
[ 2] 000007FEFD1C32CA
[ 3] 000007FED6AAD0C1
[ 4] 000007FED6A7DCF6
[ 5] 000007FED6A7D70C
[ 6] 000007FED6A7D575
[ 7] 000007FED6A7DF86
[ 8] 000007FED6A79363
[ 9] 000007FEF2053EB8
[10] 000007FEF24BBAE5
[11] 000007FEF2106F62
[12] 00000000774A6CA8
[13] 00000000774AD0D7
[14] 000000007750BD09
[15] 000000007749A36E