gprof(1) on Linux
The text 1d7976692fc2, as Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm) shipped it.
display call graph profile data
Flags it lists
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-E -
-F -
-a -
-b -
-c -
-e -
-f -
-s -
-v -
-z