dprof2calltree(1) on Linux
The text 542c5b087749, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy) shipped it. The page shows this text now.
convert perl's DProf profiling data to KCachegrind calltree format
Flags it lists
-
-f -
-o