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sys.dm_os_stacks (Transact-SQL)

This dynamic management view is used internally by SQL Server to do the following:

  • Keep track of debug data such as outstanding allocations.

  • Assume or validate logic that is used by SQL Server components in places where the component assumes that a certain call has been made.

Column name

Data type

Description

stack_address

varbinary(8)

Unique address for this stack allocation. Is not nullable.

frame_index

int

Each line represents a function call that, when sorted in ascending order by frame index for a particular stack_address, returns the full call stack. Is not nullable.

frame_address

varbinary(8)

Address of the function call. Is not nullable.

Remarks

sys.dm_os_stacks requires that the symbols of the server and other components be present on the server to display the information correctly.

Permissions

Requires VIEW SERVER STATE permission on the server.

See Also

Reference

Dynamic Management Views and Functions (Transact-SQL)

SQL Server Operating System Related Dynamic Management Views (Transact-SQL)