$q trace-file filename
This command specifies the trace file used for the demarker object.
filename.1 will contain the end-to-end
delays of each Class-1 packet to have reached the
Demarker link, filename.2 will contain the end-to-end
delays of each Class-2 packet to have reached the
Demarker link, and so forth. (There will of course be 4 trace files, one
for each class.)
Tom Henderson
2011-11-05