Script to check whats running in tempdb and want statements its running

This will help deturming what is running in tempdb this will give you the sql text.

use tempdb
SELECT tst.[session_id],
s.[login_name] AS [Login Name],
DB_NAME (tdt.database_id) AS [Database],
tdt.[database_transaction_begin_time] AS [Begin Time],
tdt.[database_transaction_log_record_count] AS [Log Records],
tdt.[database_transaction_log_bytes_used] AS [Log Bytes Used],
tdt.[database_transaction_log_bytes_reserved] AS [Log Bytes Rsvd],
SUBSTRING(st.text, (r.statement_start_offset/2)+1,
((CASE r.statement_end_offset
WHEN -1 THEN DATALENGTH(st.text)
ELSE r.statement_end_offset
END - r.statement_start_offset)/2) + 1) AS statement_text,
st.[text] AS [Last T-SQL Text],
qp.[query_plan] AS [Last Plan]
FROM sys.dm_tran_database_transactions tdt
JOIN sys.dm_tran_session_transactions tst
ON tst.[transaction_id] = tdt.[transaction_id]
JOIN sys.[dm_exec_sessions] s
ON s.[session_id] = tst.[session_id]
JOIN sys.dm_exec_connections c
ON c.[session_id] = tst.[session_id]
LEFT OUTER JOIN sys.dm_exec_requests r
ON r.[session_id] = tst.[session_id]
CROSS APPLY sys.dm_exec_sql_text (c.[most_recent_sql_handle]) AS st
OUTER APPLY sys.dm_exec_query_plan (r.[plan_handle]) AS qp
where DB_NAME (tdt.database_id) = 'tempdb'
ORDER BY [Log Bytes Used] DESC;