85 lines
2.4 KiB
SQL
85 lines
2.4 KiB
SQL
set pages 50000
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set lines 200
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set heading off
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column w_proc format a50 tru
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column instance format a20 tru
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column inst format a28 tru
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column wait_event format a50 tru
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column p1 format a16 tru
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column p2 format a16 tru
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column p3 format a15 tru
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column seconds format a50 tru
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column sincelw format a50 tru
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column blocker_proc format a50 tru
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column fblocker_proc format a50 tru
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column waiters format a50 tru
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column chain_signature format a100 wra
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column blocker_chain format a100 wra
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select
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*
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from
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( select
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'Current Process: ' || osid w_proc,
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'SID ' || i.instance_name instance,
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'INST #: ' || instance inst,
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'Blocking Process: ' || decode(blocker_osid,null,'<none>',blocker_osid) || ' from Instance ' ||blocker_instance blocker_proc,
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'Number of waiters: ' || num_waiters waiters,
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'Final Blocking Process: ' || decode(p.spid,null, '<none>', p.spid) || ' from Instance ' || s.final_blocking_instance fblocker_proc,
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'Program: ' ||p.program image,
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'Wait Event: ' || wait_event_text wait_event,
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'P1: ' || wc.p1 p1,
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'P2: ' ||wc.p2 p2,
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'P3: ' ||wc.p3 p3,
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'Seconds in Wait: ' || in_wait_secs seconds,
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'Seconds Since Last Wait: ' || time_since_last_wait_secs sincelw,
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'Wait Chain: ' || chain_id || ': ' || chain_signature chain_signature,
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'Blocking Wait Chain: ' || decode(blocker_chain_id,null, '<none>',blocker_chain_id) blocker_chain
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from
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v$wait_chains wc,
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gv$session s,
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gv$session bs,
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gv$instance i,
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gv$process p
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where
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wc.instance = i.instance_number (+)
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and ( wc.instance = s.inst_id (+) and wc.sid = s.sid (+)
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and wc.sess_serial# = s.serial# (+)
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)
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and ( s.inst_id = bs.inst_id (+)
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and s.final_blocking_session = bs.sid (+)
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)
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and ( bs.inst_id = p.inst_id (+)
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and bs.paddr = p.addr (+)
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)
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and ( num_waiters > 0
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or ( blocker_osid is not null
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and in_wait_secs > 10
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)
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)
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order by
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chain_id,
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num_waiters desc
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)
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where
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rownum < 101
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;
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set heading on
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column w_proc clear
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column instance clear
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column inst clear
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column wait_event clear
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column p1 clear
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column p2 clear
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column p3 clear
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column seconds clear
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column sincelw clear
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column blocker_proc clear
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column fblocker_proc clear
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column waiters clear
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column chain_signature clear
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column blocker_chain clear
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