Hi
Here is a document which helps you take a Call trace in PGW. Login to the PGW MML > using "mgcusr" and follow these
steps to take the PGW Call trace
https://supportforums.cisco.com/docs/DOC-12528
Here is the commands to collect the PGW Platform related information and you do it by logging it as "root" user.
1. Unix version (uname –a)
2. Memory (prtconf | grep Memory , uname)
3. Processor details (psrinfo –v)
4. Free disk space (df –k)
5. Interface statistics (ifconfig -a, netstat – irn)
6. Patch information (pkginfo | grep CSCO)
Thanks. Try the above document and if f you need further more information on PGW commands, pl revert.