ktrace(1) on FreeBSD
The text 988d0f8677ef, as FreeBSD 2.2.8-RELEASE, FreeBSD 2.2.7-RELEASE, FreeBSD 2.2.6-RELEASE shipped it.
enable kernel process tracing
Flags it lists
-
-C -
-a -
-c -
-d -
-f -
-g -
-i -
-p -
-t