Reference: gprof
gprof
/usr/ccs/bin/gprof
[options] [objfile [pfile]]-a-b-c-C-D-
With this option, you supply one or more existing pfiles. Process the information in all specified profile files and produce profile file called gmon.sum that shows the difference between the runs. See also the
-soption below. -ename-
Don't print the graph profile entry for the routine name.
-emay be repeated. -Ename-fname-Fname-
-l-s-
With this option, you supply one or more existing pfiles. Sum the information in all specified profile files and send it to a profile file called gmon.sum. Useful for accumulating data across several runs.
-z-
Show routines that have zero usage. Useful with
-cto find out which routines were never called. -n





