sync

WaitingTasks.sql

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+/*============================================================================
+  File:     WaitingTasks.sql
+ 
+  Summary:  Snapshot of waiting tasks
+ 
+  SQL Server Versions: 2005 onwards
+------------------------------------------------------------------------------
+  Written by Paul S. Randal, SQLskills.com
+ 
+  (c) 2016, SQLskills.com. All rights reserved.
+ 
+  For more scripts and sample code, check out 
+    http://www.SQLskills.com
+ 
+  You may alter this code for your own *non-commercial* purposes. You may
+  republish altered code as long as you include this copyright and give due
+  credit, but you must obtain prior permission before blogging this code.
+   
+  THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF 
+  ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED 
+  TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
+  PARTICULAR PURPOSE.
+============================================================================*/
+SELECT
+    [owt].[session_id] AS [SPID],
+    [owt].[exec_context_id] AS [Thread],
+    [ot].[scheduler_id] AS [Scheduler],
+    [owt].[wait_duration_ms] AS [wait_ms],
+    [owt].[wait_type],
+    [owt].[blocking_session_id] AS [Blocking SPID],
+    [owt].[resource_description],
+    CASE [owt].[wait_type]
+        WHEN N'CXPACKET' THEN
+            RIGHT ([owt].[resource_description],
+                CHARINDEX (N'=', REVERSE ([owt].[resource_description])) - 1)
+        ELSE NULL
+    END AS [Node ID],
+    [eqmg].[dop] AS [DOP],
+    [er].[database_id] AS [DBID],
+    CAST ('https://www.sqlskills.com/help/waits/' + [owt].[wait_type] as XML) AS [Help/Info URL],
+    [eqp].[query_plan],
+    [est].text
+FROM sys.dm_os_waiting_tasks [owt]
+INNER JOIN sys.dm_os_tasks [ot] ON
+    [owt].[waiting_task_address] = [ot].[task_address]
+INNER JOIN sys.dm_exec_sessions [es] ON
+    [owt].[session_id] = [es].[session_id]
+INNER JOIN sys.dm_exec_requests [er] ON
+    [es].[session_id] = [er].[session_id]
+FULL JOIN sys.dm_exec_query_memory_grants [eqmg] ON
+    [owt].[session_id] = [eqmg].[session_id]
+OUTER APPLY sys.dm_exec_sql_text ([er].[sql_handle]) [est]
+OUTER APPLY sys.dm_exec_query_plan ([er].[plan_handle]) [eqp]
+WHERE
+    [es].[is_user_process] = 1
+ORDER BY
+    [owt].[session_id],
+    [owt].[exec_context_id];
+GO