Who is the thief in consuming CPU

Hi,
We have machines installed with Sun OS, with following configuration.We have web logic 8.1 SP2 server installed on this machine.
Upon this we have SUN IdM(Identity Manager) Application deployed.We also have some small inhouse applications deployed on this server.

Initially when we started working on customizing the IdM,It was working fine but now,(may be after we deployed all other application on weblogic).IdM has started working slowly,meaning real slow.
If I go onto the solaris machine and check the processes, The JVM used by IdM is consuming 50% CPU , I think it is rather JVM used by the weblogic instance on the machine.

I was trying to figure out why this is happening but did not get any information.
These are my questions:
--If there are many applications installed on weblogic , can we know if weblogic is slow, which application is reason for that.
-- If we figure out certain application is taxing the weblogic server are there ways to figure out which class/servlet is making cause this.
Thanks,
pandu

Hi patel,
Thanks for your reply.I have gone through the procedure but I was not able to figure out any thing from the thread dump
"Task Scheduler" daemon prio=5 tid=0x01700b68 nid=0x47 runnable [cb800000..cb801 9c0]
at weblogic.apache.xerces.util.XMLStringBuffer.append(XMLStringBuffer.java:191)
at weblogic.apache.xerces.util.XMLStringBuffer.append(XMLStringBuffer.java:205)
at weblogic.apache.xerces.impl.XMLScanner.scanAttributeValue(XMLScanner. java:754)
at weblogic.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanAttrib ute(XMLDocumentFragmentScannerImpl.java:818)
at weblogic.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartE lement(XMLDocumentFragmentScannerImpl.java:740)
at weblogic.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentCo ntentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1477)
at weblogic.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocume nt(XMLDocumentFragmentScannerImpl.java:329)
at weblogic.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguratio n.java:525)
at weblogic.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguratio n.java:581)
at weblogic.apache.xerces.parsers.XMLParser.parse(XMLParser.java:152)
at weblogic.apache.xerces.parsers.DOMParser.parse(DOMParser.java:257)
at weblogic.apache.xerces.jaxp.DocumentBuilderImpl.parse(DocumentBuilder Impl.java:201)
at weblogic.xml.jaxp.RegistryDocumentBuilder.parse(RegistryDocumentBuilder.java:149)
at com.waveset.util.XmlParser.parseString(XmlParser.java:496)
- locked <0xe1285fc8> (a com.waveset.util.XmlParser)
at com.waveset.util.XmlUtil.parseString(XmlUtil.java:442)
- locked <0xe0601de8> (a com.waveset.util.XmlUtil)
at com.waveset.util.XmlUtil.parseString(XmlUtil.java:456)
at com.waveset.repository.AbstractDataStore.deserializeItemXml(AbstractD ataStore.java:6090)
at com.waveset.repository.AbstractDataStore.deserializeItem(AbstractData Store.java:5889)
at com.waveset.repository.AbstractDataStore.deserializeItems(AbstractDat aStore.java:5946)
at com.waveset.repository.AbstractDataStore.set(AbstractDataStore.java:3 049)
at com.waveset.repository.AbstractDataStore.checkin(AbstractDataStore.ja va:2981)
at com.waveset.repository.AbstractDataStore.checkin(AbstractDataStore.ja va:2507)
at com.waveset.repository.ServerRepository.checkin(ServerRepository.java :2953)
at com.waveset.server.InternalSession.checkinObject(InternalSession.java :640)
at com.waveset.task.Scheduler.applyEvent(Scheduler.java:3374)
at com.waveset.task.Scheduler.processEvent(Scheduler.java:3150)
at com.waveset.task.Scheduler.processEvents(Scheduler.java:3076)
at com.waveset.task.Scheduler.processReadyTasks(Scheduler.java:2983)
at com.waveset.task.Scheduler.processTasks(Scheduler.java:1130)
at com.waveset.task.Scheduler.run(Scheduler.java:956)
Can you get some information from it.Is it a weblogic problem or sun IdM problem.
Thanks,
pandu

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Host CPU was a bottleneck and the instance was consuming 9% of the host CPU. All wait times will be inflated by wait for CPU.
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Operating System Statistics
Statistic                                       Total
AVG_BUSY_TIME                                  93,560
AVG_IDLE_TIME                                 269,814
AVG_IOWAIT_TIME                                     0
AVG_SYS_TIME                                   56,261
AVG_USER_TIME                                  37,170
BUSY_TIME                                  13,490,550
IDLE_TIME                                  38,870,398
IOWAIT_TIME                                         0
SYS_TIME                                    8,119,694
USER_TIME                                   5,370,856
LOAD                                               59
OS_CPU_WAIT_TIME                              347,700
RSRC_MGR_CPU_WAIT_TIME                              0
VM_IN_BYTES                                   106,496
VM_OUT_BYTES                                        0
PHYSICAL_MEMORY_BYTES                 308,227,858,432
NUM_CPUS                                          144
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