2014-09-17 13:23:48 +02:00

61 lines
1.5 KiB
SQL

-- taken from metalink note 396940.1
-- added order by clause
prompt
prompt WARNING!!! This script will query X$KSMSP, which will cause heavy shared pool latch contention
prompt in systems under load and with large shared pool. This may even completely hang
prompt your instance until the query has finished! You probably do not want to run this in production!
prompt
pause Press ENTER to continue, CTRL+C to cancel...
col sga_heap format a15
col size format a10
col chunkcomment for a25
break on subpool on sga_heap skip 1 on status skip 1 on chunkcomment
select
KSMCHIDX subpool,
'sga heap('||KSMCHIDX||',0)'sga_heap,
ksmchcls Status,
substr(ksmchcom,1,decode(instr(ksmchcom,'^'),0,99,instr(ksmchcom,'^'))) ChunkComment,
decode(round(ksmchsiz/1024),
0,'0-1K',
1,'1-2K',
2,'2-3K',
3,'3-4K',
4,'4-5K',
5,'5-6k',
6,'6-7k',
7,'7-8k',
8,'8-9k',
9,'9-10k',
'> 10K') "SIZE",
count(*),
sum(ksmchsiz) "SUM(BYTES)",
min(ksmchsiz) MinBytes,
max(ksmchsiz) MaxBytes,
trunc(avg(ksmchsiz)) AvgBytes
from
x$ksmsp
where
1=1
and lower(KSMCHCOM) like lower('%&1%')
group by
ksmchidx,
ksmchcls,
'sga heap('||KSMCHIDX||',0)',
substr(ksmchcom,1,decode(instr(ksmchcom,'^'),0,99,instr(ksmchcom,'^'))),
decode(round(ksmchsiz/1024),0,'0-1K',1,'1-2K', 2,'2-3K', 3,'3-4K',4,'4-5K',5,'5-6k',
6, '6-7k',7,'7-8k',8,'8-9k', 9,'9-10k','> 10K')
order by
ksmchidx,
ksmchcls,
lower(substr(ksmchcom,1,decode(instr(ksmchcom,'^'),0,99,instr(ksmchcom,'^')))),
"SIZE"
/