LSNRCTL for IBM/AIX RISC System/6000: Version 9.2.0.8.0 - Production on 10-AUG-2010 18:43:57
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Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=ora_svr)(PORT=1521)))
STATUS of the LISTENER
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Alias LISTENER
Version TNSLSNR for IBM/AIX RISC System/6000: Version 9.2.0.8.0 - Production
Start Date 23-SEP-2008 20:35:13
Uptime 188 days 19 hr. 40 min. 51 sec
Trace Level support
Security OFF
SNMP OFF
Listener Parameter File /oracle/app/oracle/product/9.2.0/network/admin/listener.ora
Listener Log File /oracle/app/oracle/product/9.2.0/network/log/listener.log
Listener Trace File /oracle/trace_listener.trc1.trc
Listening Endpoints Summary...
As 老熊 said, you need timestamp when running truss, so we can see whether and where there's a big jump in time. To minimize truss log file size, after you start truss, immediately run tnsping. Stop truss immediately when tnsping finishes.