Hi, I dont have any client id as such in those trace files , but i could see this in the raw trace files. *** 2009-08-06 08:55:12.709 *** ACTION NAME:(8421) 2009-08-06 08:55:12.693 *** MODULE NAME:(fnd.framework.navigate.server.OANavigatePortletA) 2009-08-06 08:55:12.693 *** SERVICE NAME:(SSBUAT2) 2009-08-06 08:55:12.693 *** SESSION ID:(3839.352) 2009-08-06 08:55:12.693 We have oracle applications R12 and i have set 10046 level 12 event for one user . In UDUMP path , i have all these files -rw-r--r-- 1 oracle dba 202679 Aug 05 16:01 ssbuat2_ora_1269822_TCS_SDS_CR49694978.txt -rw-r--r-- 1 oracle dba 1669 Aug 06 08:55 ssbuat2_ora_1499342.trc -rw-r--r-- 1 oracle dba 1798 Aug 06 08:55 ssbuat2_ora_1204398.trc -rw-r--r-- 1 oracle dba 167362 Aug 06 08:55 ssbuat2_ora_1499342_yb42703.trc -rw-r--r-- 1 oracle dba 1662 Aug 06 08:55 ssbuat2_ora_1417410.trc -rw-r--r-- 1 oracle dba 1626 Aug 06 08:55 ssbuat2_ora_1527836.trc -rw-r--r-- 1 oracle dba 480841 Aug 06 08:56 ssbuat2_ora_1527836_yb42703.trc -rw-r--r-- 1 oracle dba 179896 Aug 06 09:01 ssbuat2_ora_1417410_yb42703.trc -rw-r--r-- 1 oracle dba 69198 Aug 06 09:02 ssbuat2_ora_1204398_yb42703.trc -rw-r--r-- 1 oracle dba 0 Aug 06 09:03 test.trc I am trying to combine all the trace files which has (yb42703) but still it generates 0 size trace file with sessionid this time . Regards Bala On Wed, Aug 5, 2009 at 5:54 AM, Ric Van Dyke <ric.van.dyke@xxxxxxxxxx>wrote: > Is that client ID in those trace files? > > > > Check the raw trace files for lines like: > > *** CLIENT ID:( vvp42660) > > > > Are those trace files 10046 traces? > > > > The trcsess utility only works on 10046 trace files. > > > > ----------------------- > > Ric Van Dyke > > Hotsos Enterprises > > ----------------------- > > > > *Hotsos Symposium * > > *March 7 – 11, 2010 * > > *Be there.* > > > > > ------------------------------ > > *From:* oracle-l-bounce@xxxxxxxxxxxxx [mailto: > oracle-l-bounce@xxxxxxxxxxxxx] *On Behalf Of *Balakrishna Y > *Sent:* Wednesday, August 05, 2009 8:30 AM > *To:* oracle-l@xxxxxxxxxxxxx > *Subject:* Can someone help using trcsess utility > > > > Hi all, > > I have below trace files in udump as > > kiran_ora_4714776_vvp42660.trc > kiran_ora_1638558_vvp42660.trc > kiran_ora_4571498_vvp42660.trc > kiran_ora_5574948_vvp42660.trc > > > I am trying to merge all this trace files using trcsess but this generates > 0 size output file. Dont really understand why ?? > > trcsess output=vvp.trc clientid=vvp42660 > > Regards > > Bala > >