Create the view dba_nt_threads and query it, then run the monitor CPU per
session. These are not my scripts --- I'm pretty sure that they were
posted here by others --- but I did not capture the information on who
originally wrote them. My apologies. HTH
--cr_dba_nt_threads.sql
-- run as sys
create or replace view
dba_NT_threads
as
select
p.spid "ID_THREAD",
p.background "BACKGROUND",
b.name "NAME",
s.sid "SID",
s.serial# "SERIAL#",
s.username "USERNAME",
s.status "STATUS",
s.osuser "OSUSER",
s.program "PROGRAM"
from
v$process p,
v$bgprocess b,
v$session s
where
s.paddr = p.addr
and
b.paddr(+) = p.addr;
create public synonym dba_nt_threads for dba_nt_threads;
create public synonym threads for dba_nt_threads;
-- monitor CPU per session
-- requires timed statistics on
col sid format 99999999
SELECT v.SID, SUBSTR(s.NAME,1,30) "Statistic", v.VALUE
FROM V$STATNAME s, V$SESSTAT v
WHERE s.NAME = 'CPU used by this session'
AND v.STATISTIC# = s.STATISTIC#
Hussain Ahmed
Qadri <hussain To: Multiple recipients of list
ORACLE-L <[EMAIL PROTECTED]>
@skm.org.pk> cc:
Sent by: root Subject: 100% CPU utilization, urgent
01/20/2003 12:44
AM
Please respond
to ORACLE-L
HI all
We have a consistent problem of CPU utilization 100%. We have had this
problem since Saturday, but it automatically subsided, I mean went back to
normal after a few hours, and remained normal on Sunday as well. But its
back to 100% since morning, that is when the load on the server has gone up
again to 100% and over all work is non-existent.
Our machine is Compaq Proliant ML350, 900 MB ram, 933 single Processor,
Database size of roughly 5 GB. WINNT4.0, Oracle 8.1.7.
I have checked the temporary tablespaces, they are normal.
We have a 24x7 environment, a hospital, so please can you suggest the areas
to look in to, its really very urgent.
Regards,
Hussain
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