hi John!
if you have time, patience, and squared balls (just for laugh! đ):
Use "strace" to trace all system calls a binary make... System calls like "open" file and "close" file =)
That's say, we are going to "trace the files opened by specific application".
"Strace" in MacOSX comes with Developer Tools, so you'll need to install these to continue.
First you have to know which are the Applications in the game, because "Server Admin" is a client-server application, there will be a client application in the client machine, and a server application running in the server.
You have to trace the server application running in the server. It will be the one which opens the log file, and sends the data to the client application.
I've made some previous investigation about the Server Admin Log parser (see https://discussions.apple.com/thread/3352647?start=0&tstart=0).
Also will be helpfull to read a little bit about strace ( http://linux.die.net/man/1/strace )
Here i do my bet, maybe that command line is what you look for:
#sudo strace launchctl load -w /System/Library/LaunchDaemons/com.apple.ServerPerfLog.plist | grep "open"
sudo: do as super user
strace: trace the binary
launchctl: system service
load -w file: load, as defined in this file
| grep open: and substract just the "open file" traces
Let me know if that gives you more clues!
regards, T