gprof(1) on FreeBSD
The text 2f752bb39b6b, as FreeBSD 11.2-RELEASE shipped it.
display call graph profile data
Flags it lists
-
-C -
-E -
-F -
-K -
-L -
-a -
-b -
-e -
-f -
-l -
-s -
-u -
-z