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-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
--------------------------------------------------------------------------------
--
-- File name: sw.sql
-- Purpose: Display current Session Wait info
--
-- Author: Tanel Poder
-- Copyright: (c) http://www.tanelpoder.com
--
-- Usage: @sw <sid>
-- @sw 52,110,225
-- @sw "select sid from v$session where username = 'XYZ'"
-- @sw &mysid
--
--------------------------------------------------------------------------------
col sw_event head EVENT for a40 truncate
col sw_p1transl head P1TRANSL for a42
col sw_sid head SID for 999999
col sw_p1 head P1 for a19 justify left word_wrap
col sw_p2 head P2 for a19 justify left word_wrap
col sw_p3 head P3 for a19 justify left word_wrap
select
sid sw_sid,
CASE WHEN state != 'WAITING' THEN 'WORKING'
ELSE 'WAITING'
END AS state,
CASE WHEN state != 'WAITING' THEN 'On CPU / runqueue'
ELSE event
END AS sw_event,
seq#,
seconds_in_wait sec_in_wait,
CASE state WHEN 'WAITING' THEN NVL2(p1text,p1text||'= ',null)||CASE WHEN P1 < 536870912 THEN to_char(P1) ELSE '0x'||rawtohex(P1RAW) END ELSE null END SW_P1,
CASE state WHEN 'WAITING' THEN NVL2(p2text,p2text||'= ',null)||CASE WHEN P2 < 536870912 THEN to_char(P2) ELSE '0x'||rawtohex(P2RAW) END ELSE null END SW_P2,
CASE state WHEN 'WAITING' THEN NVL2(p3text,p3text||'= ',null)||CASE WHEN P3 < 536870912 THEN to_char(P3) ELSE '0x'||rawtohex(P3RAW) END ELSE null END SW_P3,
CASE state WHEN 'WAITING' THEN
CASE
WHEN event like 'cursor:%' THEN
'0x'||trim(to_char(p1, 'XXXXXXXXXXXXXXXX'))
WHEN (event like 'enq%' OR event = 'DFS lock handle') AND state = 'WAITING' THEN
'0x'||trim(to_char(p1, 'XXXXXXXXXXXXXXXX'))||': '||
chr(bitand(p1, -16777216)/16777215)||
chr(bitand(p1,16711680)/65535)||
' mode '||bitand(p1, power(2,14)-1)
WHEN event like 'latch%' AND state = 'WAITING' THEN
'0x'||trim(to_char(p1, 'XXXXXXXXXXXXXXXX'))||': '||(
select name||'[par'
from v$latch_parent
where addr = hextoraw(trim(to_char(p1,rpad('0',length(rawtohex(addr)),'X'))))
union all
select name||'[c'||child#||']'
from v$latch_children
where addr = hextoraw(trim(to_char(p1,rpad('0',length(rawtohex(addr)),'X'))))
)
WHEN event like 'library cache pin' THEN
'0x'||RAWTOHEX(p1raw)
ELSE NULL END
ELSE NULL END AS sw_p1transl
FROM
v$session_wait
WHERE
sid IN (&1)
ORDER BY
state,
sw_event,
p1,
p2,
p3
/