sp_BlockedProcesses

--Listing 2. sp_BlockedProcesses
USE [master]
GO
IF EXISTS (SELECT * FROM sysobjects WHERE name = 'sp_BlockedProcesses' and type = 'P')
DROP PROC sp_BlockedProcesses
GO
-------------------------------------------------------------------------------------------------------
-- Name sp_BlockedProcesses
-- Description Returns list of blocked processes and buffers for blocked and blocking processes
-- Input None
-- Created By Viktor Gorodnichenko
-------------------------------------------------------------------------------------------------------
CREATE PROC sp_BlockedProcesses
AS
SET NOCOUNT ON
DECLARE @Blocked int
DECLARE @BlockedBy int
DECLARE @SqlStr varchar(1000)
CREATE TABLE #TmpSysprocesses
(BlockedSPID smallint,
BlockedBuffer nvarchar(255) null,
BlockingSPID smallint,
BlockingBuffer nvarchar(255) null,
waitresource nchar(256),
dbid smallint,
BlockedHostname nchar(128),
BlockedProgram_name nchar(128),
BlockedCmd nchar(16),
BlockedLoginame nchar(128),
BlockingHostname nchar(128),
BlockingProgram_name nchar(128),
BlockingCmd nchar(16),
BlockingLoginame nchar(128))
INSERT INTO #TmpSysprocesses
SELECT blocked.spid 'BlockedSPID', null 'BlockedBuffer', blocked.blocked 'BlockingSPID',
null 'BlockingBuffer', blocked.waitresource, blocked.dbid,
blocked.hostname 'BlockedHostname', blocked.program_name 'BlockedProgram_name',
blocked.cmd 'BlockedCmd', blocked.loginame 'BlockedLoginame',
Blocking.hostname 'BlockingHostname', Blocking.program_name 'BlockingProgram_name',
Blocking.cmd 'BlockingCmd', Blocking.loginame 'BlockingLoginame'
FROM master..sysprocesses blocked
JOIN master..sysprocesses blocking ON blocking.SPID = blocked.blocked
WHERE blocked.Blocked > 0

CREATE TABLE #tmpBuffer (EventType nvarchar(30), Parameters int, EventInfo nvarchar(255))
DECLARE Processes CURSOR FOR
SELECT BlockedSPID, BlockingSPID FROM #TmpSysprocesses
OPEN Processes
FETCH NEXT FROM Processes INTO @Blocked, @BlockedBy
WHILE @@FETCH_STATUS = 0
BEGIN
SET @SqlStr = 'DBCC INPUTBUFFER ('+LTRIM(STR(@Blocked))+')'
INSERT INTO #tmpBuffer EXEC (@SqlStr)
UPDATE #TmpSysprocesses SET BlockedBuffer = EventInfo
FROM #tmpBuffer
WHERE BlockedSPID = @Blocked and BlockingSPID = @BlockedBy
TRUNCATE TABLE #tmpBuffer
SET @SqlStr = 'DBCC INPUTBUFFER ('+LTRIM(STR(@BlockedBy))+')'
INSERT INTO #tmpBuffer EXEC (@SqlStr)
UPDATE #TmpSysprocesses SET BlockingBuffer = EventInfo
FROM #tmpBuffer
WHERE BlockedSPID = @Blocked and BlockingSPID = @BlockedBy
TRUNCATE TABLE #tmpBuffer
FETCH NEXT FROM Processes INTO @Blocked, @BlockedBy
END
SELECT * FROM #TmpSysprocesses

exec sp_BlockedProcesses